I tried to follow the example. It still does not work. There is a certainty that this is an eNSP bug.
[Huawei]sys
[Huawei]sysname Router
[Router]set workmode slot 1 shdsl atm
[Router]interface Atm 1/0/0
[Router-Atm1/0/0]shutdown
[Router-Atm1/0/0]q
[Router]interface Atm 1/0/1
[Router-Atm1/0/1]shutdown
[Router-Atm1/0/1]q
[Router]interface Atm 1/0/2
[Router-Atm1/0/2]shutdown
[Router-Atm1/0/2]q
[Router]interface Atm 1/0/0
[Router-Atm1/0/0]shdsl bind m-pair 3
Port does not exist