Maintenance

4-17

3160-A2-GB21-80 March 1999
Test Jacks
For 2-port and 4-port DSU/CSUs, six test jacks are located on the front panel
(Figure 4-1). The Mon (Monitor) branch of the menu tree allows you to select
either EQPT (Equipment) or NET (Network).
The 2-port and 4-port DSU/CSU test jack functions are shown in Figure 4-2 and
described in Table 4-7.
In
Out
In
Out
In
Out
NET MON EQPT
496-14808
Figure 4-1. Test Jacks (Standalone DSU/CSU)
Procedure
To change the Mon (Monitor) selection in 2-port and 4-port DSU/CSUs:
1. From the top-level menu, press the key until the Ctrl selection appears
on the screen.
2. Select Ctrl.
3. From the Control screen, press the key until the Mon selection appears
on the screen.
4. Select Mon.
F1
Control:
Passwd Mon
F2 F3
5. From the Mon Jack screen, press F1 to select EQPT (the default), or press
F2 to select NET.
F1
Mon Jack: EQPT
EQPT NET
F2 F3