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Monitoring and Testing
4-13
3162-A2-GB20-30
March 1999
Test Jacks
Six test jacks (Figure 4-1) are located on the front panel. The DSU/CSU test jack
functions are shown in Figure 4-2 and described in Table 4-7. The Selectable
Test Jack branch of the asynchronous terminal menu tree (see Appendix A)
allows you to select either Equipment (EQPT) or Network (NET) functionality for
the Monitor test jack.
" Procedure
To select either Equipment or Network for the Monitor test jack:
1. From the Main Menu screen, select Control.
2. From the Control screen, select Select Monitor Jack.
3. Select either EQPT (Equipment) or NET (Network) depending on the type of
Monitor test jack that you want to implement.
In
Out
In
Out
In
Out
NET MON EQPT
496-14808
Figure 4-1. Test Jacks
LINE
RECEIVER
INTERNAL
CIRCUITRY
LINE
RECEIVER
TERMINAL
EQUIPMENT
(DTE)
NETWORK
NET
Out
EQPT
In
MON
Out
NET
In
EQPT
Out
MON
In
496-14875
Mon Jack: EQPT Mon Jack: NET
Mon Jack: EQPT Mon Jack: NET
(Selectable)
(Selectable)
Figure 4-2. Test Jack Block Diagram