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Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel
Nortel Confidential
List of terms
802.3
An IEEE standard defining Ethernet communications.
AAL
See ATM adaptation layer (AAL) (page 12).
AAL1
See ATM adaptation layer type 1 (AAL1) (page 13).
AAL2
See ATM adaptation layer type 2 (AAL2) (page 13).
AAList
See active alarm list (page 7).
AAL2 channel identifier (CID)
A numerical value associated with a virtual channel connection (VCC)
narrowband timeslot. For non-switched trunks, the association is fixed when
the VCC is established. For switched trunks, the association is made for each
cell.
AAL-5
See ATM adaptation layer type 5 (AAL-5) (page 13).
A-bit signaling
See availability-bit signaling (page 16).
ABR
1 See area border router (ABR) (page 11).
2 See available bit rate (ABR) (page 16).
ABS
See ATM bearer service (ABS) (page 13).