8. Testing
3160-A2-GB24-10 March 2001 8-3
Figure 8-3. Test Jack Block DiagramTabl e 8- 1. Tes t Ja ck F unct io ns Test Jac k Na me Fun cti on
NET In
(Network In) All models: A break-in test jack that allows a signal to be
inserted toward the network by external test equipment.
NET Out
(Network Out) All models: A break-in test jack that interrupts the signal
coming from the network and allows it to be terminated by the
external test equipment.
EQPT In
(Equipment In) Model 3161: A non-interruptive test jack that monitors the
signal toward the terminal equipment (DTE).
Models 3160, 3164: A break-in test jack that allows a signal to
be inserted toward the terminal equipment (DTE) by external
test equipment.
EQPT Out
(Equipment Out) Model 3161: A non-interruptive test jack that monitors the
signal coming from the terminal equipment (DTE).
Models 3160, 3164: A break-in test jack that interrupts the
signal coming from the terminal equipment (DTE) and allows it
to be terminated by the external test equipment.
MON In
(Monitor In) Model 3161: A non-interruptive test jack that monitors the
signal going into the network.
Models 3160 and 3164: A monitor jack that is controlled by the
Mon (Monitor) branch of the menu tre e. If it is set to EQPT (the
default), this jack monitors the signal going into the terminal
equipment (DTE). If it is set to NET, this jack monitors the
signal going into the network.
MON Out
(Monitor Out) Model 3161: A non-interruptive test jack that monitors the
signal coming from the network.
Models 3160 and 3164: A monitor jack that is controlled by the
Mon (Monitor) branch of the menu tre e. If it is set to EQPT (the
default), this jack monitors the signal coming from the terminal
equipment (DTE). If it is set to NET, this jack monitors the
signal coming from the network.
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)