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Chapter 3 Expansion Modules 77
Reference for Passport 4460 Hardware
E&M Voice Expansion Modules (Dual and Quad Channel)
The E&M Voice Expansion Modules supports the connection of a Passport 4400
to the E&M trunk of a PBX. It is offered in both Dual and Quad Channel modules,
and it supports the following:
•
Two methods of analog signaling: Immediate (DC) and Wink Start.
•
Three type of E&M signaling: Types I, II and V (software selectable), and
Type IV supported through Type II.
•
Two types of wiring methods: two-wire and four-wire.
•
Dial Pulse (10 pps) and DTMF detection and regeneration.
The Passport 4400 can support two E&M modules.
The illustration below shows a E&M Voice Expansion Module (dual channel)
back panel.
1
2
3
4
5
6
7
8
RJ-45 Pin Assignments
Pin 1
1
2
E & M VOICE
Indicators
-SB
-M
-R1
-R
-T
-T1
-E
-SG
Содержание Passport 4460
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