Setting The 400Em (Tie Trunk) Module Dip Switches - Lucent Technologies MERLIN LEGEND Release 6.1 Installation Manual

MERLIN LEGEND Communications System Release 6.1
Installation 555-661-140
Installing the Control Unit
Installing the Modules
E&M Mode
Simplex Mode
400EM (Tie Trunk) Module DIP Switches
During installation of 400EM (Tie Trunk) modules, refer to Table 2–4 and
Table 2–5, and to
settings for varying signaling protocols.
Table 2-4.

Setting the 400EM (Tie Trunk) Module DIP Switches

Ports
(as numbered in
Figure 2-11)
2 4
1 3
— Type 1 Standard (default factory setting). This setting is
used to connect two systems through local telephone
company facilities.
— Type 1 Compatible. This setting connects two systems
directly (without using local telephone company facilities).
— Type 5. This setting is used on 4-wire (2-pair) circuits.
Figure 2-11 on page 2-38
DIP
Switch
Position
1
2
3
4
5
6
7
8
9
10
for the correct DIP switch
Signaling Type
1S (Default)
and 1C 1C and 1S
Unprotected Protected
E&M Mode E&M Mode
ON OFF
ON OFF
OFF OFF
OFF OFF
OFF OFF
ON OFF
ON OFF
OFF OFF
OFF OFF
OFF OFF
Issue 1
August 1998
Page 2-36
5
Simplex
Mode
OFF or ON
OFF or ON
ON
ON
ON
OFF or ON
OFF or ON
ON
ON
ON