2–
OK
OK
ALM
TST
BKP
SIG
OOF
ALM
SIG
OOF
ALM
1–
OK
9161
IN
OUT
IN
OUT
IN
OUT
IN
OUT
NET
DSX
NET
MON
DSX MON
NETWORK
DSX
POR
T
496-15205
Test
Jacks
Troubleshooting and Maintenance
5-10
9161-A2-GH30-20
September 1997
9161 Single T1 NAM Test Jack Functions
97-15195-01
Internal
Circuitry
DSX
In
DSX
Out
TX
RX
DSX
RX
TX
NET
NET
In
NET
Out
DSX
NET
DSX
MON
NET
MON
Out
In
In
Out
Test Jack Name
Function
DSX IN
An intrusive test jack that allows a signal to be inserted
towards the equipment attached to the DSX-1 interface by
external test equipment.
DSX OUT
An intrusive test jack that interrupts the signal coming from
the equipment attached to the DSX-1 interface and allows it
to be terminated by external test equipment.
DSX MON IN
(DSX Monitor In)
A monitor jack that noninstrusively monitors the signal going
into the terminal equipment (DTE).
DSX MON OUT
(DSX Monitor Out)
A monitor jack that noninstrusively monitors the signal
coming out of the terminal equipment (DTE).
NET IN
(Network In)
An intrusive test jack that allows insertion of a signal toward
the network by external test equipment.
NET OUT
(Network Out)
An intrusive test jack that interrupts the signal coming from
the network and allows it to be terminated by external test
equipment.
NET MON IN
(Network Monitor In)
A monitor jack that noninstrusively monitors the transmitted
signal going into the network. This is a composite of the
channels allocated to the network.
NET MON OUT
(Network Monitor Out)
A monitor jack that noninstrusively monitors the received
signal coming out of the network. This is a composite of the
channels allocated to the network.
