Trunk card specifications – NEC NEAX NDA-24349 User Manual
Page 126
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Chapter 6 Trunking
Page 6-2
NEAX 2000 IPS
Request for Proposal (RFP) Reference Guide
NDA-24349,
Issue
4
Trunk Parameters
Trunk Impedance 600/900 ohms (selectable by programming)
Trunk Resistance Characteristics, Central Office Trunk (1200 maximum)
o
Trunk Set Up Procedure
o
Loop Start
o
Ground
start
o
Wink
Start
o
Ring
Down
o
E & M Signaling
Release and Incoming Detect Immediate Start and Timing Variable Start
Trunk Card Specifications
PN-4COTB
This card provides 4 Loop/Ground Start trunks with disconnect supervision and mounts in any PIM (0 to
7) and supports the following interface:
a. Interface for standard Analog trunks/Centrex type lines
b. Interface card for CO ring down trunks
c. Interface with 4 paging equipment lines
d. Interface with external music/announcement source for Music-On-Hold feature
The above interfaces can be mixed on to one card in any combination.
PN-8COTS
This card provides 8 Loop/Ground Start trunks with disconnect supervision and mounts in any PIM (0 to
7) and supports the following interface:
a. Interface with 8 CO lines
b. Interface with 8 paging equipment lines
c. Interface with external music/announcement source for Music-On-Hold feature.
The above interfaces can be mixed on to one card in any combination.
PN-4COTG
This card is used to provide the system with Caller ID (Class SM). This feature requires the SPN-
4RSTC card to receive the FSK signals for Caller ID. This 4-port card mounts in any PIM (0 to 7). This
card supports Loop Start trunks.
PN-8COTQ
This card is used to provide the system with Caller ID (Class SM). This feature requires the SPN-
4RSTC card to receive the FSK signals for Caller ID. This 8-port card mounts in any PIM (0 to 7). This
card supports Loop Start trunks
.