How to Recover MyPBX U300/U200/U100/TE100Using Console Port Version: V1.0 Date: March, 2013 Yeastar Information Technology Co. Ltd In this file. 3) A serial console client (e.exe to connect via Serial Connector. 4) A TFTP Server (e. Step4 Download the firmware and place it in your TFTIP Server’s repository.How to Recover MyPBX U300/U200/U100/TE100 using Console port This manual can be used on MyPBX U300/U200/U100/TE100. Download the putty. connect the console cable RS232 side to your PC. For this procedure you will need the following: 1) A console cable (RJ45 to RS232).yeastar.com/download/tools/putty.g. putty for windows or minicom for Linux). Step5 Using putty.exe from http://www.exe Note: Please check the Communications port detail under Device Manager Window: 2/6 . we will try to recover MyPBX U300. Step1 Connect the network cable to MyPBX U300. Step3 Power on MyPBX. Figure 1 2) A serial port on your PC.g. Step2 Connect the console cable RJ45 side to Console port. Tftpd32 for Windows). you should see the picture below 3/6 .exe. change the Speed to 57600 Figure 3 Click Open.How to Recover MyPBX U300/U200/U100/TE100 using Console port Figure 2 Select Serial after you execute putty. please replace uImage.0.ext2.ext2 (the file we send you may in this format with version number: 12. Figure 5 Step7 Erase incorrect configuration/firmware before we do anything.ext2 to 12.ext2).How to Recover MyPBX U300/U200/U100/TE100 using Console port Figure 4 Connection is ready.17.0.17.30.30. Step6 Get ready of TFTP server and uImage. 4/6 . size 0x17c00000 Skipping bad block at 0x09580000 Skipping bad block at 0x095c0000 Skipping bad block at 0x09600000 Skipping bad block at 0x096c0000 Skipping bad block at 0x15820000 Skipping bad block at 0x158a0000 Skipping bad block at 0x192c0000 Skipping bad block at 0x1afc0000 Skipping bad block at 0x1e180000 Erasing at 0x1ffe0000 -.35 U300>set ipaddr 192.5.5.35) and default IP address(get one available ip for uboot .ext2. Writing to Nand. Writing to Nand.. In this step.148 for example) of Uboot.. U300>set serverip 192..17..30.5. Erasing at 0x260000 -.. we will recover U300 with the firmware 12.0.168..1 U300>save Saving Environment to NAND.30.17.5.How to Recover MyPBX U300/U200/U100/TE100 using Console port U300>run erasepersistent SW ECC selected NAND erase: device 0 offset 0x8400000.. Erasing at 0x260000 -.168. U300>run updata-linux 5/6 . done Step9 Change linuxname to the firmware which you want to recover..168.take 192.100% complete... In this example. you can use printenv to check the server ip and ipaddr of uboot. Erasing Nand. OK Step8 Change the default TFTP server (assume your TFTP server ip is 192.ext2 U300>save Saving Environment to NAND. Erasing Nand..168.0.168. Uboot will try to download firmware from server and write the firmware to flash.100% complete..148 U300>set gatewayip 192. U300>set linuxname 12. done Step10 Upgrade the firmware.100% complete.5. 150.. size 0x4000000 Erasing at 0x43e0000 -.100% complete.ext2'.30. Load address: 0x82000000 Loading: ######################################################## ####### ######################################################## ####### ######################################################## ##################################################### done Bytes transferred = 24852108 (17b368c hex) NAND erase: device 0 offset 0x400000.148 Filename '12. [Finish] 6/6 . size 0x17b368c 24852480 bytes written: OK Step11 Reset the device and then you can login MyPBX U300 using the default IP 192. id: 0x90000a46 DM9000: running in 16 bit mode MAC: f4:b5:49:03:03:06 operating at 100M full duplex mode Using dm9000 device TFTP from server 192.35.5.How to Recover MyPBX U300/U200/U100/TE100 using Console port SW ECC selected dm9000 i/o: 0x2c000000.5.17.168.168.168. OK NAND write: device 0 offset 0x400000..5. U300>re resetting .0. our IP address is 192.
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