Rackmount Du - Configuration Switch Settings - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0 297-2121-226
0 VINTAGE 05.01
0 NT4X25AD /AV /CH layout
0
0 /
0
0 f
0 a SW2
0 c
0 e SW3
0
0 p SW4
0 l
0 a
0 t
0 e
0
0 \
0
0
0 SW4 only on NT4X25 AD /CH /DF
0 Switched Configuration
0
0 SW1 - slave
0
0 SW3-7 - slave (OFF)
0
0 SW3-8 - switched (ON)
0
0
0
0 Figure 4.6
0 When the power supply is turned ON, the DU performs a power-
0 up self-test.
0 when the DU is plugged into the powered-up shelf.
0 plete explanation of the self-test see Self-test on page 5-9.
0 Note that, in a non-switched
0 continues
0 data line.
0 3. Plug the remaining DUs into slots that correspond to a
0 connector on the backplane.
0 4. Re-install
0 shelf.
0 4-14
SW1

Rackmount DU - Configuration Switch Settings

A self-test is performed on each subsequent DU
to flash until the second DU is connected to the
the protective
< slave (toward top edge)
< master
F3 < Fuse 3, 12V 500 mA
F2 < Fuse 2, 12V 500 mA
F1 < Fuse 1, 5V 2A
backplane
SW8 connector
SW8 only on NT4X25AV /CH
Non-Switched Configuration
SW1 - one DU set to slave
- one DU set to master
SW3-7 - one DU slave (OFF)
- one DU master (ON)
SW3-8 - non-switched (OFF)
configuration,
safety bar on the front of the
For a com-
the power LED
wired