Lucent Technologies 555-661-140 manual Signaling Formats for the 400EM Tie Trunk Module

MERLIN LEGEND Communications System Release 6.1	Issue 1
Installation 555-661-140	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
	Distant	Signaling	Protected or	Signaling	Protected or
To	Location	Mode/Type	Unprotected	Mode/Type	Unprotected
MERLIN II	Same site	Type 5 Simplex	N/A	Type 5 Simplex	N/A
	co-located
System	Same site	Type 5 Simplex	N/A	Type 5 Simplex	N/A
25/75/85 or	co-located
DEFINITY
System	Inter-office	Type 5 Simplex	N/A	Type 5 Simplex	N/A
25/75/85 or
DEFINITY
Dimension PBX	Same site	E&M Type 1C	Unprotected	E&M Type 1S	Unprotected
	co-located	(Compatible)		(Standard)
Dimension PBX	Inter-office	E&M Type 1C	Protected	E&M Type 1S	Protected
		(Compatible)		(Standard)
Other Systems	Same site	E&M Type 1C	Unprotected	E&M Type 1S	Unprotected
	co-located	(Compatible)		(Standard)
Other Systems	Inter-office	E&M Type 1C	Unprotected	E&M Type 1S	Requires a
		(Compatible)		(Standard)	protection unit
MERLIN	Same site	Type 5 Simplex	N/A	Type 5 Simplex	N/A
LEGEND	co-located or
	inter-office