Redundancy And Field Replaceable Components - Nortel 1000E PRI Installation And Commissioning Manual

•
Media Gateway Controller (MGC) (NTDW60BA)
•
up to two DSP daughterboards can be used with the MGC. Three DSP
daughterboard capacities are available:
—
—
—
•
up to four optional downloadable D-channel (DDCH) daughterboards
(NTBK51AA/NTBK51CA) or D-channel interface (DCHI)
daughterboards (NTAK93AB) that mount on the E1/T1 card
•
19-inch rack (customer-supplied)
Redundancy and field replaceable components
The PRI Gateway does not include redundant components. PRI Gateways
with fewer spans can be purchased to achieve the desired redundancy.
See
Gateway components that can be ordered as separate items.
Table 6
Replaceable components
NT code
NTDW72AAE5
NTDW71AAE5
NTDW73AAE5
NTDW70AAE5
NTDW75AAE5
NTDW76AAE5
NTDW60BA
NTDW78AA
NTDW64AA
NTDW62AA
NTBK51AA/NTBK51
CA
NTAK93AB
Media Gateway 1000E PRI Gateway Installation and Commissioning
128-port daughterboard (NTDW78AA)
96-port daughterboard (NTDW64AA)
32-port daughterboard (NTDW62AA)
Table 6 "Replaceable components" (page 35)
Description
PRI Gateway chassis
PRI Gateway Power Supply Unit
PRI Gateway cooling Unit
PRI Gateway E1/T1 main pack
PRI Gateway E1/T1 expansion daughterboard
PRI Gateway Compact Flash Memory Card
Media Gateway Controller (MGC)
MGC DSP daughterboard (128 ports)
MGC DSP daughterboard (96 ports)
MGC DSP daughterboard (32 ports)
DDCH daughterboard
DCHI daughterboard
Nortel Communication Server 1000
NN43041-311 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
Introduction 35
for a list of PRI
New or existing
Existing
Existing
Existing
Existing
Existing
Existing
Existing
New
Existing
Existing
Existing
Existing