![](http://pdfasset.owneriq.net/e/bb/ebbb0037-9847-422c-a43b-1d7b53a2e01c/ebbb0037-9847-422c-a43b-1d7b53a2e01c-bg236.png)
18-110 August 2003 Access Navigator - Release 1.8
CLI Language Reference
CLI Command List
Figure 18-28. DS1 Line Loopback
Security: Level 2 (operator)
Syntax: set ds1 <n> line <loopdown|loopup>
Example: set ds1 9 line loopdown
Set DS1 Linecode
Purpose: Sets the line code for the DS1 to AMI (alternate mark inversion) or B8ZS (binary 8 zero
substitution). GR-303 switch DS1s use B8ZS.
Security: Level 2 (operator)
Syntax: set ds1 <n> linecode <ami|b8zs>
Example: set ds1 9 linecode b8zs
Field Description
n DS1 number, 1 to 32, or a range of numbers such as 2-8.
loopup Enable line loopback.
loopdown Disable line loopback.
Field Description
n DS1 number, 1 to 32, or a range of numbers such as 2-8.
ami Set AMI line coding.
b8zs Set B8ZS line coding.
DS1
Line
Interface
Unit
Framer
Quad T1 Framer Card
IN
OUT
Time Slot
Interchange