NEC UNIVERGE NEAX 2000 IPS - Page 100

CHAPTER 4 EQUIPMENT DESCRIPTION
UNIVERGE NEAX 2000 IPS General Description Page 96
Issue 5
Line/Trunk (LT) Cards (Cont.)
Abbrev Name Code Ports Remarks
ILC SPN-2ILCC 8
2-line ISDN Line Circuit Card
Provides a physical interface to ISDN Terminals.
Occupies 8 time slots per one card.
PN-8COTS 8
8-line Central Office Trunk Card
(Loop Start/Ground Start Trunk)
Provides loop detection, sending/detecting ground on
Tip/Ring wire.
COT
PN-8COTQ 8
8-line Central Office Trunk Card
(Loop Start Trunk)
Provides loop detection, receiving/sending the Caller
ID (CLASS SM) signal. µ-law only.
DID PN-4DIDA 4 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.
ODT PN-4ODTA 4 4-Line Out Band Dialing Trunk Card
Used as either a 2-wire E&M trunk or a 4-wire E&M
trunk.
Maximum 4 cards per PIM.
When it accommodates in the LT08 to LT11 slots of
the PIM, connect speech line circuits 2 and 3 with the
CN1 connector on the front side of the card.
PN-8IPLA 8 8-channel IP-PAD Card
Provides LAN Interface, Packet
Assembly/Disassembly to accommodate Legacy
Line/Trunk interface. And provides voice compression
DSP control functions such as voice compression
control, DTMF relay and FAX relay.
• Voice compression protocols: G.711 (64 kbps),
G.723.1 (5.3 Kbps/6.3 Kbps), G.729a (8 Kbps)
• FAX protocol: Pass-through (G.711, G.726)
Provides Auto Negotiation function.
• Set to ON/OFF by the switch setting
When mounting 24DSP (PZ-24IPLA) card, this card
can provides up to 32-channel of IP-PAD (When
using G.723.1, provides up to 24-channel of IP-PAD).
Two cards can be accommodated per built-in FP/FP
card, maximum 8 per system.
10BASE-T/100BASE-TX twisted pair cable is
connected directly to this card.
IP PAD
PZ-24IPLA 24
24-channel DSP Card for 8-channel IP-PAD Card
Provides Packet Assembly/Disassembly to
accommodate Legacy Line/Trunk Interface. And
Provides voice compression DSP control functions
such as voice compression control, DTMF relay same
as IP-PAD (PN-8IPLA) card.
Used to expand the IP-PAD channel up to 32-
channels.