Nortel-networks NN43001-563 Bedienungsanleitung Seite 38

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38 System description
Component Sparing ratio
"NTVQ91VA IP Trunk 3.01 (and later) Small and Large
Systems 32-port package with DCHIP
10:1
I/O cable assemblies
20:1
IP trunk card description
The Media Card 32-port trunk card and ITG-Pentium 24-port trunk card
provide a cost-effective solution for high-quality voice and fax transmission
over an IP network.
The IP Trunk cards are an IPE-based assembly designed for installation in
a Meridian 1/CS 1000M IPE shelf.
A Media Card 32-port trunk card occupies one slot and can have a
maximum of 32 ports. The ITG-Pentium 24-port trunk card is a two-slot
trunk card and can have a maximum of 24 ports. On the ITG-Pentium
24-port trunk card, a Peripheral Component Interconnect (PCI)-based
Digital Signal Processing (DSP) daughterboard provides voice processing
and supplies the packets to the IP Trunk 3.01 (and later) network using a
Pentium host processor. The Media Card 32-port trunk card has the DSP
connected to the main assembly. This main assembly is what compresses
speech into packets and supplies the packets to the IP Trunk 3.01 (and
later) network using an Intel StrongARM (SA) processor.
The IP trunk cards monitor the IP network for delay (latency) and packet
loss between other IP trunk cards. The card re-routes new calls to the
alternate circuit-switched trunk routes if the Quality of Service (QoS) of the
data network is not acceptable. Customers can configure QoS parameters
on the IP trunk cards to ensure that the IP Trunk 3.01 (and later) trunk route
is not used for new calls if the network QoS degrades below an acceptable
level. QoS monitoring is not available for Gatekeeper-routed endpoints
such as the CS 1000M.
8051 XAController firmware
The XAController firmware is delivered through the following formats:
ITGPFW57.BIN - 8051 XAController firmware for the ITG-Pentium
24-port trunk card
SMCFW67.BIN - 8051 XAController firmware for the Media Card 32-port
trunk card NTVQ01BA
Nortel Communication Server 1000
IP Trunk Fundamentals
NN43001-563 01.01 Standard
Release 5.0 30 May 2007
Copyright © 2007, Nortel Networks
.
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