Instruction manual

Tie Trunks
2-43
Installing the Control Unit
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)
Protected
MERLIN
LEGEND
Same
site co-
located
or inter-
office
Type 5
Simplex
N/A Type 5
Simplex
N/A
Table 2-7. Signaling Formats for the 400 E&M Module—Continued
Installation
Situation
Preferred Signaling Format
From Local System System Distant Location
To
Distant
Location
Signaling
Mode/Type
Protected or
Unprotected
Signaling
Mode/Type
Protected or
Unprotected