NEC NEAX 2000 IPS Reference Manual page 87

Chapter 4 Equipment List
Function
Analog C.O. Trunk
Analog Tie Line
Trunk
Analog DID Trunk
DTMF Receiver
Caller ID Sender
NEAX2000 IPS Request For Proposal (RFP) Reference Guide
NDA-24349 Issue 4
Line/Trunk (LT) Cards (Cont.)
Name Port
PN-8COTS 8
PN-8COTQ 8
PN-4COTB 4
PN-4COTG 4
PN-2ODTA 2
PN-4ODTA 4
PN-4DITB 4
PN-AUCA 2
PN-8RSTG 8
PN-4RSTF 4
Remarks
8-line Central Office Trunk Card
(Loop Start/ Ground Start Trunk):
Provides loop detection, sending/detecting
ground on Tip/Ring wire.
8-line Central Office Trunk Card
(Loop Start Trunk):
Provides loop detection, receiving/sending the
Caller ID (CLASS SM) signal.
4-line Central Office Trunk Card
(Loop Start/Ground Start Trunk):
Provides loop detection, sending/detecting
ground on Tip/Ring wire.
4-line Central Office Trunk Card
(Loop Start Trunk):
Provides loop detection, receiving/sending the
Caller ID (CLASS SM) signal.
2-line Out Band Dialing Trunk Card:
Used as either a 2-wire E&M trunk or a 4-wire
E&M trunk. Equipped with –48 V DC-DC on-
board power supply. Both No. 0 and No. 1
circuits must be set to the same purpose
(2-wire or 4-wire) in one card.
4-circuit analog 2W/4W Tie line card. The PZ-
PW122 (-48V Power Supply) is required in case
of E&M Type-I signaling.
4-line Direct Inward Dialing Trunk Card:
• Provides loop detection, sending reverse
signal and PB to DP signal conversion.
• Equipped with –48 V DC-DC on-board power
supply.
2L ANALOG UNIVERSAL TRUNK
Used as 2-Line Long Line Circuit with PFT or
2-Line DID. Loop Resistance: MAX.2500ohms
(LLC) Two Reverse Circuits Included
On-Board Power (-48VDC) included
8-line PB Receiver Card:
Used for a PB station line, DID or tie line.
4-line Sender Card for Caller ID Display on
analog single line telephones:
PN-4LLCB is required. Max. 4/sys.
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