How to Recover MyPBX U300 U200 U100 TE100 Using Console Port

How to Recover MyPBX U300/U200/U100/TE100

Using Console Port

Version: V1.0

Date: March, 2013

Yeastar Information Technology Co. Ltd

How to Recover MyPBX U300/U200/U100/TE100 using Console port

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This manual can be used on MyPBX U300/U200/U100/TE100. In this file, we will try to recover MyPBX U300. For this procedure you will need the following: 1) A console cable (RJ45 to RS232).

Figure 1

2) A serial port on your PC. 3) A serial console client (e.g. putty for windows or minicom for Linux). 4) A TFTP Server (e.g. Tftpd32 for Windows). Step1 Connect the network cable to MyPBX U300. Step2 Connect the console cable RJ45 side to Console port, connect the console cable RS232 side to your PC. Step3 Power on MyPBX. Step4 Download the firmware and place it in your TFTIP Server’s repository. Step5 Using putty.exe to connect via Serial Connector. Download the putty.exe from http://www.yeastar.com/download/tools/putty.exe Note: Please check the Communications port detail under Device Manager Window:

http://www.yeastar.com/download/tools/putty.exe


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Figure 2

Select Serial after you execute putty.exe, change the Speed to 57600

Figure 3

Click Open, you should see the picture below


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Figure 4

Connection is ready. Step6 Get ready of TFTP server and uImage.ext2 (the file we send you may in this format with version number: 12.17.0.30.ext2, please replace uImage.ext2 to 12.17.0.30.ext2).

Figure 5

Step7 Erase incorrect configuration/firmware before we do anything.


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U300>run erasepersistent SW ECC selected

NAND erase: device 0 offset 0x8400000, size 0x17c00000

Skipping bad block at 0x09580000

Skipping bad block at 0x095c0000




Skipping bad block at 0x158a0000


Skipping bad block at 0x1afc0000

Skipping bad block at 0x1e180000

Erasing at 0x1ffe0000 -- 100% complete.

OK

Step8 Change the default TFTP server (assume your TFTP server ip is 192.168.5.35) and default IP address(get one available ip for uboot ,take 192.168.5.148 for example) of Uboot, you can use printenv to check the server ip and ipaddr of uboot. U300>set serverip 192.168.5.35 U300>set ipaddr 192.168.5.148 U300>set gatewayip 192.168.5.1 U300>save Saving Environment to NAND...

Erasing Nand...

Erasing at 0x260000 -- 100% complete.

Writing to Nand... done

Step9 Change linuxname to the firmware which you want to recover. In this example, we will recover U300 with the firmware 12.17.0.30.ext2. U300>set linuxname 12.17.0.30.ext2 U300>save Saving Environment to NAND...

Erasing Nand...

Erasing at 0x260000 -- 100% complete.

Writing to Nand... done

Step10 Upgrade the firmware. In this step, Uboot will try to download firmware from server and write the firmware to flash. U300>run updata-linux


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SW ECC selected

dm9000 i/o: 0x2c000000, 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 192.168.5.35; our IP address is 192.168.5.148

Filename '12.17.0.30.ext2'.

Load address: 0x82000000

Loading:

########################################################

#######

########################################################

#######

########################################################

#####################################################

done

Bytes transferred = 24852108 (17b368c hex)

NAND erase: device 0 offset 0x400000, size 0x4000000

Erasing at 0x43e0000 -- 100% complete.

OK

NAND write: device 0 offset 0x400000, size 0x17b368c

24852480 bytes written: OK

Step11 Reset the device and then you can login MyPBX U300 using the default IP 192.168.5.150. U300>re resetting ...

[Finish]

How to Recover MyPBX U300 U200 U100 TE100 Using Console Port

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