NetComm NB712 manual Shdsl

14.16.2 SHDSL

You can setup the SHDSL parameters by the command shdsl. Move the cursor “ >> “ to shdsl and press enter.

>> mode	Configure SHDSL	mode
Link	Configure SHDSL	link
n*64	Configure SHDSL	data rate
type	Configure SHDSL	annex type
clear	Clear current CRC error count
margin	Configure SHDSL	SNR margin

There are two types of SHDSL mode, STU-R and STU-C. STU-R means the terminal of central office and STU-C customer premises equipment.

Link type will be 2-wire or 4-wire mode according to the product. 4-wire product can be worked under 2-wire mode.

You can set the data rate in multiples of 64Kbps where n is from 0 to 32. If you configure n to 0, the product will perform in adaptive mode.

There are two types of SHDSL Annex type, Annex-A and Annex-B.

Clear command can clear CRC error count.

Generally, you do not need to change the SNR margin, which ranges from 0 to 10. The SNR margin is an index of line connection. You can see the actual SNR margin in STATUS SHDSL. The larger the SNR margin, the better the line connection. If you set SNR margin in the field as 2, the SHDSL connection will drop and reconnect when the SNR margin is lower than 2. I.e., the device will reduce the line rate and reconnect for better line connection.

96	NB712 / NB714 User Guide
	YML829 Rev1