Northern Telecom DMS-100 Series Installation And Maintenance Manual page 48

0 297-2121-226
0 VINTAGE 05.01
0 of circuits is required.
0 ble to the user, they are not equipped with speakers or keypads.
0 Data unit options are selected by setting DIP switches located on
0 the circuit
0 configuration.
0 or isolated from ac ground.
0 nal ground isolated from ac ground.
0 are easily changed for a new configuration (see Setting the Con-
0 figuration Switches on page 4-12).
0 Where profile downloading is available, some options can be down-
0 loaded from the NT6X71AB data line card (DLC).
0 tures such as automatic line are entered using Service Orders at
0 the DMS-100 Family switch.
0 The faceplate of the DU circuit pack has
0 for Power, Under Tst, DTR, Connect and Busy.
0 has switches for performing diagnostic tests
0 and local loop.
0 3-28
Since the DUs are not readily
card. Each DU is factory-set for a switched/slave
Switch SW2-1 allows signal ground to be connected
This switch is factory-set with sig-
If required, these
Additional
status indicator
The faceplate also
such as
accessi-
settings
fea-
LEDs
self-test