User's Manual

3CC12426AAAA TQ BJA 01 Issue 01 - April 2001 - Draft 04 201/346
234
In case of transmission < 32 TS, the TNT port has to be structured.
4.12.2.5– Port selection on the NT side
There is no particular configuration to define the X21 ports.
4.12.2.6– Cross-connect
In the case of an X21 "cross-connection", the cross connect is performed between an NT X21 port and
a TNT board E1 port.
As the TNT/NT ports cross connection principle is the same as that of the E1 leased lines, refer to §
4.12.1.6 – Cross-connect.
IN THE CASE OF STRUCTURED CROSS CONNECT, ALL THE TIME SLOTS MUST BE
CONSECUTIVE ON THE NT SIDE
On the E1 cross-connection screen (see § 4.12.1.3 – Presentation
of the E1 link management screen),
Click on the arrow to scroll down the NT list declared, then select
the NT concerned by the cross-connect.

Summary of content (100 pages)