Making The Connections To The Du; Desktop Du Connections - Rear View - Northern Telecom DMS-100 Series Installation And Maintenance Manual

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Making the Connections to the DU

0 The connectors for this procedure are illustrated in
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0 DB-25 or V.35
0 connector for
0 interface to DTE
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0 Figure 4.3
0 1. Plug the DU power cord into any standard (unswitched)
0 ac electrical outlet.
0 DU.
0 The DU automatically performs a self-test on power-up.
0 complete explanation of the self-test see
0 5-3.
0 The flashing
0 connected.
0 2. Use the Teladapt line cord to connect the Teladapt jack clos-
0 est to the DB-25 or V.35 connector to the data line (see Fig-
0 ure 4.3).
0 indicating synchronization with the DMS-100 Family switch.
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data line

Desktop DU Connections - Rear View

Do not place the power supply on the
power LED indicates that the data line is not
The power LED stops flashing and
telephone
V V
in-line
power
supply
Self-test on
297-2121-226
VINTAGE 05.01
Figure 4.3.
110 V ac
plug
110 V
For a
page
lights steadily
4-5