Setting The Options; Installing The Rackmount Dus - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0
0
0 When two DUs are installed in a non-switched configuration, one
0 DU must be set for non-switched/slave, and the other must be
0 for non-switched/master.
0 If it is necessary to change the factory setting of the config-
0 uration switches, set SW1, SW3-7 and SW3-8 to the required
0 tion as shown in Figure 4.6 on page 4-14.
0
0
0
0 Some devices
0 electrostatic discharge.
0 working
0 them to ground.
0

Setting the Options

0 On the component side of the rackmount DU there are
0 of DIP switches.
0 these switches
0 set the desired operating parameters for the DU.
0 description
0 /CH /DF) on page 3-31.
0 Figure 4.7 on page 4-15.
0 engineering
0 cate which DUs apply.
0 1. Set the baud rate switches on SW3 to match the DTE baud
0 as shown in Figure 4.8 on page 4-16.
0 2. To set the options, use a small screw driver or the tip of a
0 pen to place the switches in the desired position.
0 ure 4.6 on page 4-14.
0

Installing the Rackmount DUs

0 To meet the
0 there must be at least one DU installed in the shelf.
0 is shipped
0 faceplate per DU is removed only at the time of DU installation.
0 1. Plug one rackmount DU into a slot that corresponds to a wired
0 connector on the backplane.
0 requirement of the power supply.
0 2. Turn the power supply ON.
0
CAUTION
on the DU circuit card can be damaged by
on the DU and discharge all tools by touching
See Figure 4.6 on page 4-14 for the location of
(SW2, SW3, and SW4).
of each feature and option see Options (NT4X25AD /AV
The
In Figure 4.7 on page 4-15, the product
codes are listed beside each option switch to indi-
minimum loading requirements of the power supply,
with blank faceplates
Wear a grounding strap
These switches are used to
position settings
covering all empty slots. A
This meets the
297-2121-226
VINTAGE 05.01
set
posi-
while
three banks
For a detailed
are shown in
rate
See Fig-
The shelf
minimum loading
4-13