How to Train the ADSL/VDSL Modem Connected to the MA5652G to Be a VDSL Modem?

The following methods describe how to train the ADSL/VDSL modem to be a VDSL modem.

• Method 1: Select the VDSL-related protocol G.993.2 (Annex A/B/C) for transmission mode in the VDSL line profile.
• Method 2: Select the PTM mode for data path mode in the VDSL channel profile.

In the case of method 1, if the channel profile is set to both, the ADSL/VDSL modem may be trained to be an ADSL mode when unstable factors such as line environment noise exist. Therefore, if the ADSL/VDSL modem is connected to the MA5652G, method 2 is recommended.

If the modem connected to the MA5652G is not an ADSL/VDSL modem, in configuring the line profile and channel profile, set transmission mode to all and data path mode to both.

If any other questions about Huawei DSLAM, Huawei xDSLservice board, you can contact supports@thunder-link.com.

What is the Differences Between VDSL2 Service Boards?

Based on the number of supported users, VDSL2 service boards supported by the MA5616 can be classified into 16-channel VDSL2 service board, 24-channel VDSL2 service board, 32-channel VDSL2 service board, 48-channel VDSL2 service board, and 64-channel VDSL2 service board. These boards support VDSL2 and VDSL2 over POTS/ISDN access services.

The following tables list differences between VDSL2 service boards supported by Huawei MA5616.

• ^[1]: When AC power supply is used, the H83BVDMM board must work with the H831PAIC power board.
• ^[2]: Users can switch a configuration mode. To do so, log in to Huawei MA5616 as a super user and run the switch vdsl mode to command in diagnose mode. The default configuration mode is TR129. Considering the development trend, TR165 is recommended because it is more flexible than others.
• Vectoring-supported service boards take effect only when they work with power boards supporting vectoring