OK
SIG
OOF
ALM
SIG
OOF
ALM
9109 DSX
IN
OUT
IN
OUT
IN
OUT
IN
OUT
DSX1
DSX2
DSX1 MON
DSX2 MON
DSX1
DSX2
97-15644
Test
Jacks
Troubleshooting and Maintenance
5-12
9161-A2-GH30-20
September 1997
9109 Dual DSX APM Test Jack Functions
97-15653
Internal
Circuitry
DSX1
In
DSX1
Out
TX
RX
DSX1
RX
TX
DSX2
DSX2
In
DSX2
Out
DSX1
DSX2
DSX1
MON
DSX2
MON
Out
In
In
Out
Test Jack Name
Function
DSX1 IN
An intrusive test jack that allows a signal to be inserted
towards the equipment attached to the DSX1 interface by
external test equipment.
DSX1 OUT
An intrusive test jack that interrupts the signal coming from
the equipment attached to the DSX1 interface and allows it
to be terminated by external test equipment.
DSX1 MON IN
(DSX1 Monitor In)
A monitor jack that noninstrusively monitors the transmitted
signal going into the network (a composite of all channels
allocated to the DSX1 interface).
DSX1 MON OUT
(DSX1 Monitor Out)
A monitor jack that noninstrusively monitors the received
signal coming out of the network (a composite of all channels
allocated to the DSX1 interface).
DSX2 IN
An intrusive test jack that allows insertion of a signal toward
the equipment attached to the DSX2 interface by external
test equipment.
DSX2 OUT
An intrusive test jack that interrupts the signal coming from
the equipment attached to the DSX2 interface by external
test equipment.
DSX2 MON IN
(DSX2 Monitor In)
A monitor jack that noninstrusively monitors the signal going
into the equipment attached to the DSX2 interface.
DSX2 MON OUT
(DSX2 Monitor Out)
A monitor jack that noninstrusively monitors the signal
coming out of the equipment attached to the DSX2 interface.
