Setting The Options (Nt4X25Aa /Ae /An /Ap /Ax /Az); Desktop Du - Option Selector Switches - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0 297-2121-226
0 VINTAGE 05.01
0 Note that,
0 continues to flash until the second DU is
0 data line.
0 3. To connect
0 adapter cable as required.
0 or V.35 connector on the rear of the DU.
0 page 4-5.
0 4. If the
0 Teladapt jack, a telephone can be connected to the DU.
0 the telephone
0 cord. See Figure 4.3 on page 4-5.
0

Setting the Options (NT4X25AA /AE /AN /AP /AX /AZ)

0 Under the flip-up lid on the face of the DU are two banks of
0 switches and
0 used to set the DU to the desired operating parameters.
0 detailed description of each feature and option see Controls and
0 Indicators (NT4X25AA /AE /AF /AG /AH /AK /AN /AP /AX /AZ) on page
0 3-11.
0 1. To set the options, use a small screw driver or the tip of
0 pen to
0 DIP switch banks are illustrated in Figure 4.4.
0
0
0 assert DTR
0 assert RTS
0 delay CTS
0 MI pulse
0 MI invert
0 KBD enable
0 switch A
0 switch B
0
0 Note: not all switches appear on all DU models.
0
0 Figure 4.4
0 2. To set the DU to the desired transmission speed, use a
0 head screwdriver to rotate the selector to the desired oper-
0 ating speed.
0 4-6
in a non-switched configuration, the power LED
the DTE to the DU use an RS-232C, V.35 or V.35
operating company has terminated a voice line at the
into the
a rotary speed selector switch. These switches are
place the switch into the desired position.
1 normal
2 normal
3 normal
4 MI level
5 normal
6 disable
7 normal
8 normal

Desktop DU - Option Selector Switches

connected
Plug the DTE cable into the DB-25
See
Teladapt jack closest to the power
auto ans
auto orig
self-test
far-end loop
local loop
ext clock
adaptive
buzz loud
to the
Figure 4.3 on
Plug
DIP
For a
a
The two
1 man ans
2 man orig
3 normal
4 normal
5 normal
6 int clock
7 normal
8 buzz soft
slot-