Huawei TECHNOLOGIESNIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.2014 Page 1 / 73 2G/3G SWAP Training Guideline Context 1. Abbreviations 2. Requirements 2.1 Hardware Requirements 2.2 Software Requirements 2.3 Documentation Requirements 2.4 Other Requirements 2.5 GSM/UMTS Network Overview 3. Huawei System Overview 3.1 BBU & Common Boards 3.2 GSM/2G Boards 3.3 UMTS/3G Boards 3.4 Extension Boards 3.5 RRU 3.6 BTS3900 (Indoor/Outdoor) 3.7 RFU 3.8 Delta Power System 3.9 Indoor Bracket 3.10 SLPU (UELP/USLP) 3.11 Outdoor Mini Box (OMB) 3.12 Transmission Equipment 3.13 Optical Modules (SFP) 4. General SWAP Process 4.1 SWAP Process 4.2 Downtimes 5. Onsite Preparations 5.1 Enter the site via Naview 5.2 Verify DIP Switches of GTMU & WMPT 5.3 Verify Loop Connection of WMPT 5.4 Load BTS Software via USB Stick 5.5 Load NodeB Software & Configuration via USB Stick 5.6 Delta Power System Check 6. Onsite SWAP Activities 6.1 Check Transmission Status of BTS/GSM 6.2 Check Software Status of BTS/GSM 6.3 Check Transmission Status of NodeB/UMTS Author Markus Heiserholt Date 09/10/2014 Page -1- Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.2014 Page 2 / 73 2G/3G SWAP Training Guideline 6.4 Check Software Status of NodeB/UMTS 6.5 External Alarm Testing 6.6 Testcall Procedure 6.7 Onsite/Remote Test of Huawei System 6.8 Facc Documentation 6.9 Deinstallation 6.10 Leaving the Site via Naview 7. Other 7.1 Support Contacts 7.2 Emergency Contacts 7.3 BBU Scenarios 7.4 Troubleshooting/FAQ 7.5 EHS 7.6 AOB Author Markus Heiserholt Date 09/10/2014 Page -2- Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.2014 Page 3 / 73 2G/3G SWAP Training Guideline 1.Abbreviations BBU – Baseband Unit BTS – Basestation DCDU – DC Distribution Unit FMU – Fan Monitoring Unit GSM – Global System for Mobile Communications GTMU – GSM Transmission and Management Unit HSPA – High Speed Packet Access LBBP – LTE Baseband Processing Unit LMPT – LTE Main Processing and Transmission Unit LMT – Local Maintenance Terminal (for NodeB/UMTS) LTE – Long Term Evolution MMS – Multimedia Message Service NeMo – Network Modernization NMC – Network Maintenance Center OMC – Operational Maintenance Center RFC – RF Cabinet (part of Outdoor BTS) RFU – Radio Frequency Unit RIC – Remote Integration Center RRU – Remote Radio Unit SLPU – Signal Lightning Protection Unit SMS – Short Message Service SMT – Site Maintenance Terminal (for BTS/GSM) SRAN _ Single Radio Access Network TMC – Transmission Cabinet (part of Outdoor BTS) UBRI – Universal Baseband Radio Interface Board UEIU – Universal Environment Interface Unit UELP – Universal E1/T1 Lightning Protection Unit UMTS – Universal Mobile Telecommunication System UPEU – Universal Power and Environment Interface Unit USLP2 – Universal Signal Lightning Protection Unit Type 2 UTRP – Universal Transmission Processing Unit WBBP – WCDMA Baseband Processing Unit WCDMA – Wideband Code Division Multiple Access Web-LMT – Web Local Maintenance Terminal (for eNodeB/LTE) WMPT – WCDMA Main Processing and Transmission Unit Author Markus Heiserholt Date 09/10/2014 Page -3- Laptop including Windows XP/Windows 7 -different Browers like Firefox.2 *USB Sticks with LEDs ( 1 USB Stick for GSM and 1 USB Stick for UMTS) .1 Date : 22.3 -The Testmobile phone needs to be able to lock the BCCH (GSM) and the primary scrambling code (UMTS) -VDF D2 2G/3G Sim Card for Voice & Data 2.Internet Explorer and Chrome .Test Mobile Phone including Monitoring Software.for example Huawei U8800 (Ideos X5) with Android 2.09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2 Software Requirements a) Correct NE Software is needed BTS Software & SMT (actual Version BTS3000V100R015C00SPC276) NodeB Software & LMT (actual Version NodeB V100R008C00SPC276) NodeB Software (actual Version V100R008C00SPC276) b) Correct Manager Software for Laptop is needed SMT (Site Maintenance Terminal) for BTS LMT ( Local Maintenance Terminal) for NodeB c) Correct configuration file is needed For GSM: The BTS configuration will be automatically loaded from the BSC once the transmission connection is ok For UMTS: xml based configuration file is needed for each NodeB Author Markus Heiserholt Date 09/10/2014 Page -4- .2014 Page 4 / 73 2G/3G SWAP Training Guideline 2.1 Hardware Requirements .Requirements 2. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.3 Documentation Requirements Site/SWAP Solution for the site which will be swapped SRAN Facc Guideline (VDF Checklist) Transmissionplan for the site which will be swapped 2G/3G SWAP Training Guideline 2.09.220 /255.0 for UMTS e) Software Manager Logins • SMT=> admin/hwbs@com or admin/admin • LMT=> admin/hwbs@com or admin/NodeB f) SFTP Server Software needed (delivered from Huawei) Make sure that the SFTP Server Symbol shows green Username: admin Password: admin In case a 6 digit password is needed use admin1 as password 2.1 Date : 22. .255.220 / 255.168.0 for GSM • 192.255.The Naview System is used to enter and leave a VDF Site via a registered Mobile Phone .255.255.4 Other Requirements .Every SWAP Team needs to be registered to VDF NMC in order to use the Naview System.Call VDF NMC under +49-211-5337401 and tell them your mobile phone number and that you are working on the VDF SRAN Project (Installation/Commissioning/Site SWAPs) -> this needs to be done only 1 Time for every team! Author Markus Heiserholt Date 09/10/2014 Page -5- .0.2014 Page 5 / 73 2G/3G SWAP Training Guideline d) IP Settings for the Laptop • 192.168.0. The core network provides the connection to switching centre and the Internet. The BTS & the BSC are forming the Base Station Subsystem (BSS) / GERAN which is connected to the Network Subsystem (Core Network).1 Date : 22. The NodeB & the RNC are forming the UMTS Terrestrial Radio Access Network (UTRAN) which is connected to the Core Network (CN). The core network provides the connection to switching centre and the Public Switched Telephone Network (PSTN) The NodeB is the Basestation within an UMTS Network & supports the UMTS Cells.09. normally between 3 & 6 Cells. UTRAN + CN is the Public Land Mobile Network (PLMN) Author Markus Heiserholt Date 09/10/2014 Page -6- .2014 Page 6 / 73 2G/3G SWAP Training Guideline 2. normally between 3 & 6 Cells.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.5 GSM/UMST Network Overview The BTS is the Base Transceiver Station within a GSM Network & supports the GSM Cells. 1 Date : 22.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 BBU & Common Boards BBU Case with Backplane (Height 2U).2014 Page 7 / 73 2G/3G SWAP Training Guideline 3. Huawei System Overview 3.09.Weight <12kg BBU Slot Assigments BBU ESN (Electronic Serial Number) Author Markus Heiserholt Date 09/10/2014 Page -7- . Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. each Fan uses 12V DC & 0. Author Markus Heiserholt Date 09/10/2014 Page -8- .08W per Fan) Controls the Fan Speed & monitors the temperature at the air inlet Reports the status & temperature to the main controlling processing unit UPEUc – in Slot 18/19 (Unit has 2 external Alarmports to handle 8 ext. Alarms) UPEUc Board is always installed in Slot 19 2nd UPEUc will be installed in Slot 18 if more DC Power is needed for BBU (see BBU Layouts) 1 UPEUc provides 360W & the Power Conversion Efficiency is 96%.09.84A (~10.2014 Page 8 / 73 2G/3G SWAP Training Guideline FANc /Fan Unit – always in Slot 16 FANc Board is always installed in Slot 16 FANc consists of 3 AVC Fans .1 Date : 22. 2xUPEUc provide 650W Converts -48V DC into +12V DC for all BBU Boards Provides 2 External Alarm Ports (EXT-ALM0 & EXT-ALM1)& 2 Monitoring Ports (MON0&MON1) Each Alarm Port can handle 4 external alarms ( 1 UPEUc can handle 8 external Alarms) Monitoring Ports are only used when BBU3900 has been installed into BTS Indoor/Outdoor Cab. configuration management system. Alarms) UEIU Board is always in Slot 18 if installed Provides 2 External Alarm Ports (EXT-ALM0 & EXT-ALM1)& 2 Monitoring Ports (MON0&MON1) Each Alarm Port can handle 4 external alarms ( 1 UEIU can handle 8 external Alarms) Monitoring Ports are only used when BBU3900 has been installed into BTS Indoor/Outdoor Cab.09.1 Date : 22.2 GSM/2G Boards GTMUb – Maintenance and Transmission Unit for GSM – always in Slot 5&6 Function: Controls and manages the BTS Monitors fans and power modules Provides transmission over 4xE1 ports and 2xFE ports – FE0 (electrical) & FE1(optical) Provides 6 CPRI ports for communication between GTMU and GSM RRUs/RFUs Support fault management system. 3.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. performance management system and security management service.2014 Page 9 / 73 2G/3G SWAP Training Guideline UEIU – always in Slot 18 (Unit has 2 external Alarmports to handle 8 ext. Provides Ethernet Port “ETH” for local Commissioning Author Markus Heiserholt Date 09/10/2014 Page -9- . Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. configuration management system.S4.1 Date : 22.10 - .3 UMTS/3G Boards WMPT – Maintenance and Transmission Unit for UMTS – always in Slot 7 Function: Controls and manages the NodeB Monitors fans and power modules Provides transmission over 4xE1 ports and 2xFE ports – FE0 (electrical) & FE1(optical) WMPT has a build-in GPS controller .S2.2014 Page 10 / 73 2G/3G SWAP Training Guideline Dip Switches from GTMU: Make sure that the DIP Switches S1. 1 means ON) 3.S5 are set correctly for the GTMU! (DIP Switches are on the circuit board.09. Provides Ethernet Port “ETH” for local Commissioning Author Markus Heiserholt Date 09/10/2014 Page .GPS Antenna could be connected to Port „GPS“ Support fault management system. performance management system and security management service. 1 UBRI Board can only support 1 Technology.4 Extension Boards UBRI – Fiber Port Extension Unit in case more than 6 RRUs need to be connected to 1 BBU. 2 UBRI Boards are needed.09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 11 / 73 2G/3G SWAP Training Guideline Dip Switches from WMPT: Make sure that the DIP Switches SW1&SW2 are set correctly for the WMPT! (DIP Switches are on the circuit board. UBRI will be installed in slot 2 Author Markus Heiserholt Date 09/10/2014 Page . if more than 6 RRUs are needed for GSM and more than 6 RRUs for UMTS. other slots will be used for capacity extension Function: Provides 6 CPRI Ports for communication between WMPT & UMTS RRUs/RFUs Provides Baseband Capacity (Channel Elements) for Uplink/Downlink 1 WBBP Board has 383 Channel Elements 3.1 Date : 22.11 - . 1 means ON) WBBPd2 – Baseband Board with 6 CPRI Ports for UMTS Main WBBP Board is always in BBU slot 3. 09.1 .12 - .1 .E1 No.E1 No.8 – E1 No.1 . 10 connected to WMPT Site has 11 E1s => E1 No.1 Date : 22.7 connected to UTRP E1 No.9 connected to WMPT Site has 10 E1s => E1 No.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 .7 – E1 No.E1 No.1 .9 – E1 No.E1 No.12 connected to WMPT 3.5 RRU There are different types of RRUs: GSM900 –> RRU3928 //please check the label if you see 900 GSM1800 -> RRU3928 //please check the label if you see 1800 UMTS2100 –> RRU3828 //please check the label if you see 2100 Author Markus Heiserholt Date 09/10/2014 Page . 8 connected toUTRP E1 No.7 connected to UTRP E1 No.2014 Page 12 / 73 2G/3G SWAP Training Guideline UTRP – Extension Transmission Unit with additional 8 E1s – Unit needed if site has more than 4 E1s E1 Cable Rules: Site has 1-4 E1s => E1 No.E1 No. 4 connectet to WMPT Site has 5-8 E1s => E1 No.11 connected to WMPT Site has 12 E1s => E1 No. 8 connected to UTRP Site has 9 E1s => E1 No.E1 No. 6 connected to UTRP E1 No.8 – E1 No. 1 . .6 BTS3900 (Indoor/Outdoor) a)BTS3900 Ver.Fan Tray.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.13 - .c (Indoor Macro BTS) Supports up to 6 MRFUds Total Power Consumption 5700W BBU Power Consumption 650W 3 MRFUd *(2*80W) 3 WRFUd *(2*60W) Consists of BBU.2014 Page 13 / 73 2G/3G SWAP Training Guideline 3.09.1 Date : 22.etc Dimensions Author Markus Heiserholt Date 09/10/2014 Page .DCDU. 09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 14 / 73 2G/3G SWAP Training Guideline Cabinet Overview ( EMUA is optional and not used in VDF Project) Author Markus Heiserholt Date 09/10/2014 Page .1 Date : 22.14 - . 09.1 Date : 22.2014 Page 15 / 73 2G/3G SWAP Training Guideline RFU Slot Positions Monitoring System Indoor BTS Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.15 - . 16 - .2014 Page 16 / 73 2G/3G SWAP Training Guideline Power Cable Connection Indoor BTS Example: Author Markus Heiserholt Date 09/10/2014 Page .09.1 Date : 22.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. MRFU.1 Date : 22.09.17 - . FAN) Support 10 x -48 V DC outputs of 25 A Can be used also as power supply for external equipment FAN03B /FMU Author Markus Heiserholt Date 09/10/2014 Page .2014 Page 17 / 73 2G/3G SWAP Training Guideline DCDU11A Overview Supply DC power to all modules in the cabinet (UPEU.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. C (Outdoor Macro BTS) – RFC + TMC MBTS Outdoor Cabinet needs DC power Outdoor Cabinet consists of TMC11H & RF Cabinet BBU3900 is installed in TMC11H.09. RFUs are installed in RF Cabinet Supports up to 6 RFUs Total Power Consumption is xxxW BBU3900 Power Consumption is 650W 3x MRUFd x (2x80W) => 3x 160W = 480W Author Markus Heiserholt Date 09/10/2014 Page .18 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.2014 Page 18 / 73 2G/3G SWAP Training Guideline Position: Under RFU Slot Function: Provide forced ventilation Provide heat dissipation Monitor the temperature Support fan speed adjustment or controlled by the BBU b)BTS3900A Ver. 1 Date : 22.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.19 - .2014 Page 19 / 73 2G/3G SWAP Training Guideline RFU Slot Position: Author Markus Heiserholt Date 09/10/2014 Page .09. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 20 / 73 2G/3G SWAP Training Guideline Outdoor RF Cabinet Function & Specification (RFC) Outdoor Transmission Cabinet Function & Specification (TMC) Author Markus Heiserholt Date 09/10/2014 Page .20 - .09.1 Date : 22. 1 Date : 22.09.21 - .2014 Page 21 / 73 2G/3G SWAP Training Guideline Monitoring System Outdoor BTS Outdoor BTS View Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.2014 Page 22 / 73 2G/3G SWAP Training Guideline Power Cable Connection Outdoor BTS FAN02B / TCU (Temperature Control Unit) Author Markus Heiserholt Date 09/10/2014 Page .22 - .09. 1 Date : 22.09.2014 Page 23 / 73 2G/3G SWAP Training Guideline Heater FAN01B / FMU (Fan Monitoring Unit) Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.23 - . 24 - .2014 Page 24 / 73 2G/3G SWAP Training Guideline 3.1 Date : 22.7 RFU a) MRFUd for GSM900 & GSM1800 Each MRFUd supports up to 8 TRX Freq Band 900MHz -> RX Freq Band 880 -915 TX Freq Band 925-960 Freq Band 900MHz -> RX Freq Band 890 -915 TX Freq Band 935-960 Freq Band 1800MHz -> RX Freq Band 1710 -1785 TX Freq Band 1805-1880 b) WRFUd for UMTS2100 Each MRFUd supports up to 6 TRX (Non-MIMO) or 4 TRX (MIMO) Freq Band 2100MHz -> RX Freq Band 1920 -1980 TX Freq Band 2110-2170 c) MRFU Slot Position Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.09. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.8 Delta Power System Delta Cabinet Outdoor Type NMC M2. M4 SRAN Author Markus Heiserholt Date 09/10/2014 Page .25 - .2014 Page 25 / 73 2G/3G SWAP Training Guideline d) Example: 900/1800 MRFU connection to GTMU 3.M3.09. Huawei TECHNOLOGIES NIS Department Title: Author Markus Heiserholt Technical Procedure Version: 2.1 Date : 22.09.2014 Page 26 / 73 2G/3G SWAP Training Guideline Date 09/10/2014 Page - 26 - Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.2014 Page 27 / 73 2G/3G SWAP Training Guideline Delta Cabinet Indoor Author Markus Heiserholt Date 09/10/2014 Page - 27 - Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.2014 Page 28 / 73 2G/3G SWAP Training Guideline Rack Layout (should be done before/after swap and it is part of the Acceptance Documentation) - Example Author Markus Heiserholt Date 09/10/2014 Page - 28 - 9 Indoor Bracket Installation Scenarios 3.10 SLPU (UELP/USLP) Author Markus Heiserholt Date 09/10/2014 Page .1 Date : 22.2014 Page 29 / 73 2G/3G SWAP Training Guideline 3.29 - .09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. 09.30 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 30 / 73 2G/3G SWAP Training Guideline SLPU (1U Height) SLPU Slot Assignments UELP – Protection Unit for E1 Cable (only for outdoor) – will be installed in the SLPU Dip Switch of UELP USLP2 – Protection Unit for external alarm cables (only for Outdoor) – slot 2&3 Author Markus Heiserholt Date 09/10/2014 Page .1 Date : 22. 2014 Page 31 / 73 2G/3G SWAP Training Guideline Input/Output Ports of USLP2 Common SLPU Configurations Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.31 - .1 Date : 22.09. 32 - . 3.09. 1 OMB can only provide power for 1 RRU.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.11 Outdoor Mini Box (OMB) The Outdoor Mini Box is a 4U outdoor BBU Subrack with the BBU and an AC/DC Power equipment (AC Power Input needed).12 Transmission Equipment Author Markus Heiserholt Date 09/10/2014 Page .2014 Page 32 / 73 2G/3G SWAP Training Guideline 3.1 Date : 22. 09.33 - .1 Date : 22. The Upper part are reserved for patching. Author Markus Heiserholt Date 09/10/2014 Page .2014 Page 33 / 73 2G/3G SWAP Training Guideline The following Transmission Equipment can be found in the NeMo Project: a)DF001 DC101 PIX-Distributor/Shelf with 56 Cards PIX-Plus Distributors will be wrapped in the lower area.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. RTN The following RTN Modules are being used in the VDF Project: RTN910 + RTN950 + RTN980 The E1 connections will be realized via the boards SP3S(16xE1) or the SP3D (32xE1). Pin Assignments of E1s for 120ohm: Author Markus Heiserholt Date 09/10/2014 Page . For the Ethernet connections in case of IP RAN.34 - . Make sure that the connection between BBU3900 and the Pix Verteiler/Distributor has been made accordingly.09. the board SL1D will be used.1 Date : 22. b) Huawei Microwave Equipment . the LAN connection will be realized via the EM4F/EM6F board.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. In case of an STM1 connection.2014 Page 34 / 73 2G/3G SWAP Training Guideline The layout will come from VDF and should be available before the SWAP will start. 2014 Page 35 / 73 2G/3G SWAP Training Guideline c)Ericsson Minilinks – Pinlayouts and different Types will be distributed later on In case of existing Ericsson transmission equipment ( Huawei Microwave not available yet).09. we could use a special solution of a Krone Block: Author Markus Heiserholt Date 09/10/2014 Page .35 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22. 13 Optical Modules (SFP) Optical Modules will be either used to connect the fiber cable between BBU and RRU or for connecting the transmission fiber cable between BBU and RTN (Microwave).Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. General SWAP Process Author Markus Heiserholt Date 09/10/2014 Page . For the RRU connection we will always use Single Mode (SM/Blue) for the fiber connection and for the fiber transmission we will use either Single Mode (SM) or Multi Mode (MM/Black) depending on the Region/VDF.1 Date : 22.2014 Page 36 / 73 2G/3G SWAP Training Guideline Please use the external document „E1 Transmisssion via Krone Blocks” as reference.36 - . 4. 3.09. so you have to sent an SMS to +49-172-5289612 with the following text: naview e mxb007 Now you have to wait for the answer.2. 5.09.1 Date : 22.png t_v1.2 Verify DIP Switches of GTMU & WMPT Author Markus Heiserholt Date 09/10/2014 Page .2014 Page 37 / 73 2G/3G SWAP Training Guideline 4. Onsite Preparations 5.1 SWAP Process SWAP_Workflow.37 - .2 Downtimes Preinstall as much as possible!! a) It is important to inform the RIC in realtime when the downtime starts and stops!!! b) Important Timeframe is when the last sector has been blocked and the first sector is on air -> please report these times also to the RIC c) Any other site issues should be reported in a very accurate way to the RIC. A successful message should be: „Anmeldung an mxb007 OK” If you do not get a successful message please call the VDF NMC: +49-211-5337401 5.png 4.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Enter the site via Naview For example you want to enter site MXB007.2.xls swap_operation_co swap_operation_ho x ld_v1. 38 - . 1 means ON): Make sure that the DIP Switches are set correctly for the WMPT (DIP Switches are on the circuit board.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 38 / 73 2G/3G SWAP Training Guideline Make sure that the DIP Switches are set correctly for the GTMU (DIP Switches are on the circuit board. 1 means ON): Author Markus Heiserholt Date 09/10/2014 Page .1 Date : 22.09. 09.3 Verify Loop Connection for WMPT Optical Module needs to be inserted in FE1 port and 1 fiber cable will be used for the loop.2014 Page 39 / 73 2G/3G SWAP Training Guideline 5.25G 1310 NM SFP The O&M Connection will not work without this loop!!! 5. 1.1 Date : 22.39 - .4 Load BTS Software via USB Stick or Laptop Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. 5.xml”) to the right folder: Please make a right-click on the NodeBCfg. Now search for the string „SITE” and check if the „STNAME” is for the correct site! Author Markus Heiserholt Date 09/10/2014 Page . the Software will be automatically loaded to the Boards and the start configuration File.5 Load NodeB Software & Configuration via USB Stick or Laptop Prepare the UMTS USB Stick and copy the software & the configuration file (configuration file name has to be „NodeBCfg.xml file and select „Open”.2014 Page 40 / 73 2G/3G SWAP Training Guideline Prepare the GSM USB Stick and copy the software to the right folder: Plug in USB Stick with the correct BTS Software Version to the USB port of the GTMU but make sure that the fiber cables from RRUs are connected to the CPRI Ports of the GTMU.09.1 Date : 22.40 - . When USB Stick has been inserted.125s and go off for 0. It will take approximately 25-30 Minutes to finish the load. The „RUN” LED will blink for 0.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.125s. Check that there are no active alarms at the Delta Power Systems Author Markus Heiserholt Date 09/10/2014 Page . It will take approximately 25-30 Minutes to finish the load. the Software will be automatically loaded to the Boards and the start configuration File.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. The „RUN” LED will blink for 0.6 Delta Power System Check Please use the onsite Delta Manual in case of: -Adding additional Rectifiers .1 Date : 22.125s and go off for 0. please change the number of rectifiers in the Controller of the Delta Power System -Check Battery Voltage when adding Battery Strings . 5.41 - .09.2014 Page 41 / 73 2G/3G SWAP Training Guideline Plug in USB Stick with the correct NodeB Software Version & the correct configuration file to the USB port of the WMPT but make sure that the fiber cables from RRUs are connected to the CPRI Ports of the WBBP. When USB Stick has been inserted.125s. 168.255.42 - . 6. you need to use the Site Maintenance Terminal (SMT) .2 Check Software Status of BTS/GSM In case the BTS software needs to be verified . a)Change the IP settings of the Laptop to 192. „ON” means -> NO TRANSMISSION „OFF” means -> TRANSMISSION OK In case more than 4 E1s need to be connected an additional board (UTRP) needs to be inserted to the BBU.1 Check Transmission Status of BTS/GSM Maximum 4 E1 s can be connected to the GTMU Board and therefore the GTMU has 4 LEDs (LIU0-LIU3) for each E1 on the right upper corner which are either „ON” or „OFF”.220 with Subnet Mask 255.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.0 Author Markus Heiserholt Date 09/10/2014 Page . Onsite SWAP Activities 6.2014 Page 42 / 73 2G/3G SWAP Training Guideline 6.255.0. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.0.2014 Page 43 / 73 2G/3G SWAP Training Guideline b) Connect Ethernet Cable to ETH Port of GTMU Board c) Start SMT by double-click on „btsm” d)Type in User Name (admin) and Password (admin) – The default IP address for the BTS is 192.72 .1 Date : 22..09.43 - .if it does not work use new Name(admin) and new Password(/hwbs@com) e) Select „Board” on the left site and click on „Board Management” Author Markus Heiserholt Date 09/10/2014 Page .168.. right-click on it and choose “Board Information”.09.2014 Page 44 / 73 2G/3G SWAP Training Guideline f) You should see the main boards of the BBU (at least the GTMU). g) The correct SW Version can be seen (actual SW Version is V100R015C00SPC276) h) Click “OK”.44 - . Doubleclick on “GTMU” and the RRU Window opens. Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. Selet the MRRU .1 Date : 22.Right-click on the GTMU Symbol and choose „Board Information”. 0 Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. Please also check all other RRUs for the correct SW Version.255.168.3 Check Transmission Status of NodeB/UMTS Unfortunately the WMPT Board does not have any LEDs for indicating if the transmission is ok or not.0.2014 Page 45 / 73 2G/3G SWAP Training Guideline i) Check if the RRU SW Version is correct (actual Version is V100R015C00SPC276). a) Change IP Settings of Laptop to 192.1 Date : 22.45 - .220 with Subnet Mask 255.09.255. For checking the E1 Status you need to use the Local Maintenance Terminal (LMT). Inform the RIC immediately if the SW Versions of GTMU & RRUs are different! 6. 168.168.2014 Page 46 / 73 2G/3G SWAP Training Guideline Title: b) Connect to NodeB(If WMPT) 1) Connect Ethernet Cable to ETH Port of WMPT 2) Double-click on Local Maintenance Terminal Icon 3) Type in User (admin) and Password (NodeB) or new Password (hwbs@com).0. c) Connect to NodeB(If UMPT) 1) Connecting PC to UMPT board with ETH_to_USB port Author Markus Heiserholt Date 09/10/2014 Page ..(if not then you need to click on the .09.49).1 Date : 22. and add the IP 192.0.46 - .49 in the Office field. Click „Login”. Make sure that you see 192..Huawei TECHNOLOGIES NIS Department Technical Procedure Version: 2. 0. enter the IP address(192.47 - .168.0.Huawei TECHNOLOGIES NIS Department Technical Procedure Version: 2. If Not you need to download the config file via LMT software e) Run the MML Command „DSP E1T1:.1 Date : 22.168.2014 Page 47 / 73 2G/3G SWAP Training Guideline Title: 2) Start the IE browser.09.49 d) LST SITE:.” Author Markus Heiserholt Date 09/10/2014 Page . and click Enter to log in to the WebLMT 3) Login with user name and password: User name of LMT Password The default local maintenance IP admin hwbs@com 192.49) of the base station in the address box. 6.”. Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 48 / 73 2G/3G SWAP Training Guideline All configured E1s should show “Available” for the Link Running Status f) Check the IP transmission with MML Command “DSP ARP:.48 - .09.” b) Run MML command “LST SOFTWARE:.4 Check Software Status of NodeB/UMTS a) Run MML command „LST VER:.Inform the RIC immediately if the SW Version is different.” .1 Date : 22. Alarms run over UMTS Site has LTE&GSM: ext.5 External Alarm Testing a) General Rules: Site has only GSM : ext.1 Date : 22.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.09.49 - .2014 Page 49 / 73 2G/3G SWAP Training Guideline 6. Alarms run over GSM Site has LTE&GSM&UMTS: ext. Alarms run over LTE Site has only GSM&UMTS: ext. Alarms run over GSM Site has only UMTS : ext. Alarms run over GSM b) VDF Alarm Terminal „X6” Author Markus Heiserholt Date 09/10/2014 Page . Alarms run over GSM Site has LTE&UMTS: ext. 1 Date : 22.50 - . but the Ports will be the same as for the UEIU.09. Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 50 / 73 2G/3G SWAP Training Guideline c) Differencies between Outdoor & Indoor: The following external alarms have been defined for VDF D2 (16 Alarms over the UPEUc/UEIU and 1 Alarm over the RRU from first sector): It could also be that a 2nd UPEUc is installed in Slot 18. 2014 Page 51 / 73 2G/3G SWAP Training Guideline d) External alarm connection via RRU (normally the RRU from 1st Sector): e) external Alarm connection via SLPU (for Delta Outdoor Sites) Author Markus Heiserholt Date 09/10/2014 Page .09.1 Date : 22.51 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. not the alarm text) can be seen on the bottom of the SMT h) Check the alarms on the NodeB/UMTS via LMT (Connection Procedure in Chapter 7.2014 Page 52 / 73 2G/3G SWAP Training Guideline f) Huawei Alarmcable Colorcode Please test/check the external alarms accordingly to the general rules: g) Check the alarms on the BTS/GSM via SMT (Connection Procedure in Chapter 7.3) Run MML command „LST ALMAF:.1 Date : 22.52 - .3) Active Alarms (only Alarm IDs.”.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.09. Author Markus Heiserholt Date 09/10/2014 Page . Please ask the RIC for the BCCH&Primary Scrambling Code(PSC)/Sector and the Azimuths for the GSM900/1800 & UMTS2100. Bitte beim RIC die BCCH&Primären Scrambling Code(PSC)/Sektor und Azimuths für GSM900/1800&UMTS2100 anfragen.09.1 Date : 22.2014 Page 53 / 73 2G/3G SWAP Training Guideline 6. Bitte einen Kompass oder GPS Device benutzen. identify the azimuth of each sector and conduct a static testcall in each sector roughly 50-100meters away from the site and confirm : -Sector orientation is correct -Correct BCCH/PSC is radiating from the correct Cell -All Feeders are correctly installed and labeled Always inform the RIC if something is not clear.53 - . Author Markus Heiserholt Date 09/10/2014 Page . Please use a compass or GPS device.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. If something is different please inform the RIC immediately. den Azimuth von jedem Sektor bestimmen und einen statischen Testcall in jedem Sektor in einer Entfernung von 50-100 Metern von der Site durchführen und folgendes bestätigen: -Sektor Ausrichtung ist korrekt -Die Zellen haben jeweils den richtigen BCCH/PSC -Alle Feeder sind richtig installiert und gekennzeichnet Bei Unklarheiten immer den RIC informieren. In order to avoid crossed feeders partner needs to check the BCCH&PSC/Azimuth against the site build and the azimuth values from the sitesheet. Um Crossed Feeder zu vermeiden.6 Testcall Procedure Testcall Scenarios are based on the FAcc Procedure Checklist Huawei SRAN Document from VDF D2. muß der Partner die BCCH&PSC/Sektor mit dem Sitebuild und den Siteunterlagen vergleichen. Sollte etwas anders sein. Testcall Scenarien basieren auf dem FAcc Prozedur Checklist Huawei SRAN Dokument von VDF D2. bitte sofort dem RIC Bescheid geben. 54 - .2014 Page 54 / 73 2G/3G SWAP Training Guideline Title: For Speedtests you can use the following webpage & choose a 10-20MB file for downloading: Für Speedtests kann die folgende Webseite benutzt werden & ein 10-20MB großes File kann dort zum Download ausgewählt werden: http://www.09.Huawei TECHNOLOGIES NIS Department Technical Procedure Version: 2.thinkbroadband.com/download.1 Date : 22.html a) GSM900 For GSM900 the following calls need to be done one time per site only: Folgende Gespräche müssen einmalig für GSM 900 durchgeführt werden: Author Markus Heiserholt Date 09/10/2014 Page . 55 - .2014 Page 55 / 73 2G/3G SWAP Training Guideline Following Testcalls need to be done per sector (Emergency Call only 1 Time per Site): Folgende Testgespräche müssen für jeden Sektor erfolgen (Notruf nur einmal pro Site): b) GSM1800 For GSM1800 the following calls need to be done one time per site only: Folgende Gespräche müssen einmalig für GSM 1800 durchgeführt werden: Following Testcalls need to be done per sector (Emergency Call has been tested with GSM900): Folgende Testgespräche müssen für jeden Sektor erfolgen (Notruf wurde schon mit GSM900 getestet): Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09. 7 Onsite/Remote Test of Huawei System ..56 - . und führe einen Testanruf im Auftrag von Vodafone D2 durch.include parts of FAcc Handbook from VDF.1 Date : 22..09.. Street XXXX . Bin ich mit der richtigen Leitzentrale/Leitstelle verbunden? Bitte geben Sie mir den Leitstellen Standort durch.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 56 / 73 2G/3G SWAP Training Guideline c) UMTS2100 For UMTS2100 the following calls need to be done one time per site only: Folgende Gespräche müssen einmalig für UMTS2100 durchgeführt werden: Following Testcalls need to be done per sector: Folgende Testgespräche müssen für jeden Sektor erfolgen: d) For Emergency Call/Notruf -> Text in Deutsch vorbereiten & dann muß der Text dem Notruf Operator vorgelesen werden/Text needs to be prepared in german language and then read to the emergency operator Beispiel/Example: Hallo. 6. ich heiße . Mein Standort ist der Ort 41517 G.TBD Author Markus Heiserholt Date 09/10/2014 Page .. For example if you only swap GSM 900 and GSM 1800.2014 Page 57 / 73 2G/3G SWAP Training Guideline 6.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.57 - .10 Leaving the Site via Naview For example you want to leave the site MXB007. you do not need to fill out anything. 6. Therefore it is mandatory to do the lockout every day.09.1 Date : 22. 6. it can happen that you might be blocked to enter another site on the next day.9 Deinstallation Not 100% clarified yet. If you do not get a successful message please call the VDF NMC: +49-211-5337401 You also need to lock out of the Naview system after leaving the site by sending an SMS to +49-172-5289612 with the following text: naview ld Now you have to wait for the answer. For already existing technologies like LTE . then you only need to fill out the parts where GSM 900 &1800 is mentioned as well as the common parts. You only need to fill out the technology that you have swapped/installed on the site.so you have to sent an SMS to +49-1725289612 with the following text: naview l mxb007 Now you have to wait for the answer. The successful message should be: „Abmeldung OK” If you write naview l mxb007 –d .8 Facc Documentation Please have a look at the example of an FAcc document. The successful message should be: „Abmeldung vom Dienst erfolgreich” Under certain circumstances if you enter a site somewhere in the afternoon/evening and you do not lock out of the system. still under discussion with VDF but probably a higher percent of sites need to be disassembled and the hardware needs to be returned to VDF. you will get the info which alarms are active if the successful message does not come. Author Markus Heiserholt Date 09/10/2014 Page . com Author Markus Heiserholt Date 09/10/2014 Page [email protected] - .com HuangYujian 2G/3G Technical Expert 0162-2047580 [email protected] Support Contacts ***Regional Contacts*** ***Central Contacts*** 2G/3G Swap Central Contact List Region Central Contact Responsibility Telephone Email Sadik Ghalib Swap Project Manager 0172-8808999 Sadik.com ChenHaitao Technical Director 0172-3093828 haitao.com XuXiaofeng OSS/M2000 Support 0160-98980247 xu. Other [email protected]@[email protected] Page 58 / 73 2G/3G SWAP Training Guideline Title: 7.com Marcus Lindemans Site Solutions Lead 0176-10084297 M.com Mihai Ciprian Anghel Datafill & Configuration 0162-6652789 Mihai.1 Date : 22.Huawei TECHNOLOGIES NIS Department Technical Procedure Version: 2.com GongYulong 2G/3G Technical Expert 0176-10259492 [email protected]@[email protected] Markus Heiserholt Technical Support Lead 0176-10151566 markus. 2014 Page 59 / 73 2G/3G SWAP Training Guideline 7.3 BBU Scenarios Author Markus Heiserholt Date 09/10/2014 Page .2 Emergency Contacts VDF NMC 24/7: +49-211-5337401 7.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.09.59 - . 1 Date : 22.2014 Page 60 / 73 2G/3G SWAP Training Guideline Date 09/10/2014 Page .60 - .Huawei TECHNOLOGIES NIS Department Title: Author Markus Heiserholt Technical Procedure Version: 2.09. 255.0.4 Troubleshooting/FAQ a) How to connect to the eNodeB/LTE via WebLMT? Change the IP settings of Laptop to 192.220 with Subnet Mask 255.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.168.1 Date : 22.61 - .255.09.2014 Page 61 / 73 2G/3G SWAP Training Guideline 7.0 Connect Ethernet Cable to eNodeB ETH Port of LMPT Board Author Markus Heiserholt Date 09/10/2014 Page . 0.1 Date : 22.168.09.62 - . Username: admin // Password: hwbs@com– Type also the Verify Code which is displayed on the start page WebLMT Overview Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.49” to get the Login Page.2014 Page 62 / 73 2G/3G SWAP Training Guideline Start Web LMT by opening Internet Explorer and type in „192. 220 with Subnet Mask 255.09.1 Date : 22.255.63 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.0 Connect Ethernet Cable to ETH Port of GTMU Board Start SMT by double-click on „btsm” Type in User Name (admin) and Password (hwbs@com) – The default IP address for the BTS is 192.0.168.0.255.72 Author Markus Heiserholt Date 09/10/2014 Page .168.2014 Page 63 / 73 2G/3G SWAP Training Guideline b) How to connect to the BTS/GSM via SMT? Change the IP settings of the Laptop to 192. 09.64 - .0 Connect Ethernet Cable to ETH Port of WMPT Author Markus Heiserholt Date 09/10/2014 Page .168.255.255.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 64 / 73 2G/3G SWAP Training Guideline SMT Overview c) How to connect to the NodeB/UMTS via LMT? Change IP Settings of Laptop to 192.0.1 Date : 22.220 with Subnet Mask 255. Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. LMT Overview Author Markus Heiserholt Date 09/10/2014 Page ..(if not then you need to click on the .2014 Page 65 / 73 2G/3G SWAP Training Guideline Double-click on Local Maintenance Terminal Icon Type in User (admin) and Password (NodeB) or (hwbs@com).1 Date : 22.49).49 in the Office field. and add the IP 192.0.168.0.65 - .. Click „Login”.09. Make sure that you see 192.168. 220 User/Password: admin FTP Server Directory: Dircetory where the following software has been stored: Download File Flag: All File Download Config Flag: No After the download has finished.168.0. Author Markus Heiserholt Date 09/10/2014 Page .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. activate the NodeB Software with the command : ACT SOFTWARE Verify the Software Version with the command: LST SOFTWARE:.2014 Page 66 / 73 2G/3G SWAP Training Guideline d) Load BTS/GSM Software via SMT TBD e) Load NodeB/UMTS Software via LMT Connect to NodeB via LMT and download the correct Software Package with the command: DLD SOFTWARE FTP Server IP (laptop IP) : 192.1 Date : 22.66 - .09. If it is off. E1 transmission is ok but the pair could be twisted.2014 Page 67 / 73 2G/3G SWAP Training Guideline f) Load and activate the configuration file for the NodeB/UMTS via LMT Download the correct Configuration File to the NodeB with the following MML command : DLD CFGFILE Make sure to choose the correct config file for the right site FTP Server IP (laptop IP) : 192.168.09.67 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.0.1 Date : 22.220 User/Password: admin Server Path: Dircetory where the config file has been stored Source File Name: Only needed if more than 1 config file is in the same directory Activate the Configuration file with the following MML command : SET CFGFILEENB g) Transmission Issues for GSM Check LIU LED of GTMU. Author Markus Heiserholt Date 09/10/2014 Page . 09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.2014 Page 68 / 73 2G/3G SWAP Training Guideline Set a physical loop for the E1 which is unavailable before the PIX Verteiler/Distributor as below: If the E1 status is available after the loop. Set a physical loop for the E1 which is unavailable after the PIX Verteiler/Distributor as below: If the E1 status is available after the loop. please reconnect E1 cables between GTMU and PIX Verteiler/Distributor.1 Date : 22.68 - . Vodafone does a soft loop from RTN to BSC. Vodafone should check the connections of the PIX Verteiler/Distributor. h) Transmission Issues for UMTS Author Markus Heiserholt Date 09/10/2014 Page . 69 - .09.1 Date : 22.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. i) RET Connection Problems Confirm if the RET is connected Author Markus Heiserholt Date 09/10/2014 Page .2014 Page 69 / 73 2G/3G SWAP Training Guideline Reconnect the not available E1 cables between WMPT and Pix Verteiler/Distributor Set a physical loop for the E1 which is unavailable before the PIX Verteiler/Distributor as below: Set a physical loop for the E1 which is unavailable after the PIX Verteiler/Distributor as below: Vodafone does a soft loop from RTN to RNC. Author Markus Heiserholt Date 09/10/2014 Page . Reconnect the cables and equipments between RET and RRU. Call the RIC to verify if the RET connection is working correctly.09.1 Date : 22.70 - .Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. such as Bias T or TMA.2014 Page 70 / 73 2G/3G SWAP Training Guideline Confirm whether there is any other equipment between RET and RRU. DSP BRDMFRINFO: CN=0.09. SN=0.5 EHS (Environmental Health & Safety) All valid EHS regulations and rules have to be followed in the Vodafone Germany Project Author Markus Heiserholt Date 09/10/2014 Page . SN=0. SRN=101. DSP BRDMFRINFO: CN=0.2014 Page 71 / 73 2G/3G SWAP Training Guideline j) Check that the SFP Modules (Optical Modules) of RRUs/RFUS and WMPT/GTMU are matching k) Verify RRU Type for UMTS by using MML commands DSP BRDMFRINFO: CN=0. SN=0.1 Date : 22.71 - . SRN=102. SRN=100. The correct Type is RRU3828 l) If needed run the Error Logfile Collection Script for the NodeB and sent the Logfile to Huawei 7.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2. html In Germany. see DIN VDE 1000-10 7.6 AOB Author Markus Heiserholt Date 09/10/2014 Page .work on energized parts is forbidden *De-energise* *Secure against restarting* *Unstressedness determine* *Ground and short circuit* *Neighbouring energized parts cover or provide with gates* More details can be found under: http://www. please ask your supervisor or Huawei EHS Manager c) Use the 5 Security Rules when working on electrical equipment. only qualified electricians are authorized to establish.72 - .1 Date : 22.change or repair electrical systems (Elektrofachkraft).Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.org/t/the-five-safety-rules.2014 Page 72 / 73 2G/3G SWAP Training Guideline There are no exceptions even if somebody will verbally approve it a) Do not bypass any kind of fuses b) Use the correct tools when working on electrical equipment If not sure which tools can be used.09.economypoint. 09.Huawei TECHNOLOGIES NIS Department Title: Technical Procedure Version: 2.1 Date : 22.2014 Page 73 / 73 2G/3G SWAP Training Guideline Please feel free to sent your comments. If needed we will update this document accordingly to the SRAN/NeMo requirements and onsite experiencies during the Site SWAPs.73 - .suggestions or concerns regarding this document. Author Markus Heiserholt Date 09/10/2014 Page .