ZyXEL Communications P-660RU-T V2 User Manual

Chapter 13 Maintenance

P-660RU-T v2 User’s Guide

Find firmware at www.zyxel.com in a file that (usually) uses the system model name with a 
.bin extension, for example, "ZyXEL.bin". The upload process uses HTTP (Hypertext 
Transfer Protocol) and may take up to two minutes. After a successful upload, the system will 
reboot.

1

Click Firmware to open the following screen. Follow the instructions in this screen to upload 
firmware to your ZyXEL Device. 

Figure 55   Firmware Upgrade

The following table describes the labels in this screen.

ATM Loopback 

Test

Click this button to start the ATM loopback test. Make sure you have configured at 

least one PVC with proper VPIs/VCIs before you begin this test. The ZyXEL Device 

sends an OAM F5 packet to the DSLAM/ATM switch and then returns it (loops it 

back) to the ZyXEL Device. The ATM loopback test is useful for troubleshooting 

problems with the DSLAM and ATM network.

Upstream Noise 

Margin

Click this button to display the upstream noise margin.

Downstream 

Noise Margin

Click this button to display the downstream noise margin. 

Back

Click this button to go back to the main Diagnostic screen.

Table 31   Diagnostic: DSL Line (continued)

Table 32   Firmware Upgrade

File Path 

Type in the location of the file you want to upload in this field or click Browse ... to find it.

Browse... 

Click Browse... to find the .bin file you want to upload. Remember that you must 

decompress compressed (.zip) files before you can upload them. 

Upload 

Click Upload to begin the upload process. This process may take up to two minutes.