Filter
Top Products
MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Installing the Control Unit
Page 2-37
Installing the Modules
NOTE:
DIP switches 1, 2, 6, and 7 determine whether the tie trunks are protected
or unprotected. DIP switches 3, 4, 5, 8, 9, and 10 determine the mode.
Simplex mode is
always
protected. Therefore the Protected/Unprotected
settings for DIP switches 1, 2, 6, and 7 have no effect.
The successful implementation of a tie trunk format is dependent upon
matching the characteristics of both PBX systems it connects. The
preferred signaling formats for a tie trunk originating in the system are
shown in Table 2–5 below.
Table 2-5. Signaling Formats for the 400EM (Tie Trunk) Module
Installation Situation Preferred Signaling Format
From System System Distant Location
To
Distant
Location
Signaling
Mode/Type
Protected or
Unprotected
Signaling
Mode/Type
Protected or
Unprotected
MERLIN II Same site
co-located
Type 5 Simplex N/A Type 5 Simplex N/A
System
25/75/85 or
DEFINITY
Same site
co-located
Type 5 Simplex N/A Type 5 Simplex N/A
System
25/75/85 or
DEFINITY
Inter-office Type 5 Simplex N/A Type 5 Simplex N/A
Dimension PBX Same site
co-located
E&M Type 1C
(Compatible)
Unprotected E&M Type 1S
(Standard)
Unprotected
Dimension PBX Inter-office E&M Type 1C
(Compatible)
Protected E&M Type 1S
(Standard)
Protected
Other Systems Same site
co-located
E&M Type 1C
(Compatible)
Unprotected E&M Type 1S
(Standard)
Unprotected
Other Systems Inter-office E&M Type 1C
(Compatible)
Unprotected E&M Type 1S
(Standard)
Requires a
protection unit
MERLIN
LEGEND
Same site
co-located or
inter-office
Type 5 Simplex N/A Type 5 Simplex N/A