Starting from V3R6, NE40E/80E LPUF-10 support low speed interface card such as 24-Port Channelized E1/T1-DB100 Flexible Card and 4-Port Clear Channel E3/Channelized T3-SMB Flexible Card. By default, when NE40E/80E boot up, these cards work in E1 and E3 mode. In order to change the card mode, some operation need to be taken.
Below are the example using NE80E V6R1:
#In NE40E/80E, enter hidden mode:
Now you enter a hidden command view for developer's testing, some commands may affect operation by wrong use, please carefully use it with HUAWEI engineer's direction.
#Take E1/T1 card in slot 7 sub-card 0 for example
[NE80E-hidecmd]set card-mode 7 card 0 ?
e1 E1 mode
e1-acr E1 acr mode
e1-dcr E1 dcr mode
e3 E3 mode
t1 T1 mode
t1-acr T1 acr mode
t1-dcr T1 dcr mode
t3 T3 mode
[NE80E-hidecmd]set card-mode 7 card 0 t1
Write card mode is success
#Reset the sub-card to take effect
<NE80E>reset slot 7 card 0
Info: Caution!!! Confirm to reset slot 7 card 0 Continue?[Y/N]y
Info: Operation success!
#Use display controller command and verify the interface changed from E1 to T1
T1 7/0/0 current state : DOWN
Description : HUAWEI, Quidway Series, T1 7/0/0 Interface
Physical layer is Packet Over ESF
clock master, linecode b8zs , loopback none
#Operation is similar for E3 to T3
Such operation should be documented in product manual or other documents.