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22 Appendix A Getting started
N0060603N0060603
ASM Analog station module (analog station media bay module)
ATA Analog terminal adapter
BCM Business Communications Manager
BRIM Basic rate interface module (basic rate interface media bay module)
CAP Central answering position
CFA Carrier failure alarm
CLID Calling line identification
CO Central office
CSU Channel service unit
CTM Caller ID trunk module (caller ID trunk media bay module)
DDIM Digital drop and insert MUX
DECT Digital enhanced cordless telecommunications
DIMM Dual in-line memory module
DMC Digital mobility controller
DSM Digital station module (digital station media bay module)
DSP Digital signal processor
DSU Data service unit
DTE Data terminal equipment
DTM Digital trunk module (digital trunk media bay module)
FEM Fiber expansion module
FRU Field replaceable unit
GASM Global analog station module (global analog station media bay module)
GATM Global analog trunk module (global analog trunk media bay module)
KEM Key expansion module
KIM Key indicator module
KRS Keycode retrieval system (Nortel keycode retrieval system)
LAN Local area network
LIU Line isolation unit
MBM Media bay module
MSC Media services card
MWI Message waiting indication
NIC Network interface card
ONS on-premise station
OSI Open switch interval
PCI Peripheral component interface
PEC Processor expansion card
PSTN Public switched telephone network
Table 1 Acronyms (Sheet 2 of 3)
Acronym Description