Nt4X25Aa /Ae /An /Ap /Ax /Az - Rear View - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0 297-2121-226
0 VINTAGE 05.01
0 features such as automatic line are entered using Service
0 at the DMS-100 Family switch.
0 On the rear of the desktop DU there are two TELADAPT* jacks and a
0 DTE interface
0 Figure 3.6 on page 3-9 show rear views of the desktop DUs.
0
0 Teladapt connector for
0 data line
0
0
0
0
0 \ ............
0 \ ..........
0
0
0
0
0
0 DB-25 connector
0 for RS-232C or
0 V.35 interface
0 adapter to DTE
0
0
0
0
0
0
0
0
0
0 Figure 3.5
0 The data terminal equipment (DTE) connects to the DB-25
0 connector on the DU with an RS-232C or V.35 interface cable.
0 adapter cable is supplied with the NT4X25AE /AP V.35 model DUs to
0 connect the DTE to the DB-25 connector on the DU.
0 for the DB-25
0 trated in Figure 3.7 on page 3-10.
0 The Teladapt jack closest to the DB-25 or V.35 connector connects
0 to the two-wire loop (data line).
0 installed by the operating company, the Teladapt jack closest to
0 the power cord is used to connect a telephone.
0
0 * TELADAPT is a trademark of Northern Telecom
0 3-8
(DB-25 or V.35
/
/

NT4X25AA /AE /AN /AP /AX /AZ - Rear View

connector and the V.35 adapter cable are illus-
connector).
Teladapt connector
for telephone
V V
in-line
power
supply
If a voice
Orders
Figure 3.5 and
power cord
/// 3-prong
plug
or V.35
An
The pinouts
line has been