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Nortel DMS-100 Series Manual

Nortel DMS-100 Series
214 pages
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v
DPP Hardware Component Replacement Guide DPP001 and up
Contents
Replacing circuit packs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
How to use this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
General information about circuit pack failures . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
General Troubleshooting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Central Processor Unit (CPU) circuit pack (NT6M62BA) . . . . . 2-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Central processor unit LED display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Replacing CPU circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
EPROM circuit pack (NT6M63xx) . . . . . . . . . . . . . . . . . . . . . . . . 3-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Replacing EPROM integrated circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
EPROM IC precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Replacing the EPROM circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Memory expansion circuit pack (NT6M64AA) . . . . . . . . . . . . . . 4-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Replacing Memory Expansion circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Error Control II and Error Control II Jumper circuit packs
(NT6M65AA and NTM609AB) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Error Control II circuit pack jumper LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Replacing Error Control II circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Replacing Error Control II Jumper circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Quad SIO circuit pack (NT6M60xx) . . . . . . . . . . . . . . . . . . . . . . . 6-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Replacing QSIO circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
56K Interface circuit pack (NT6M94xx) - Turbo only . . . . . . . . . 7-1
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Replacing the 56K Interface circuit pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
5

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Nortel DMS-100 Series Specifications

General IconGeneral
BrandNortel
ModelDMS-100 Series
CategoryControl Unit
LanguageEnglish

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