- 37 -
List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
cross-net polling
The process of periodically exchanging a status message across the subnet
between the two end points of a PVC. This message indicates the status of
the source to the destination.
CRS
See call redirection server (CRS) (page 23).
CS-ACELP
See conjugate-structure, algebraic-code-excited linear prediction (CS-
ACELP) (page 32).
CSRM
See call server resource module (CSRM) (page 24).
CSS-IE
See connection scope selection information element (CSS-IE) (page 33).
CSU
See channel service unit (CSU) (page 27).
CTC mode
See common transmit clock (CTC) mode (page 31).
CTD
See cell transfer delay (CTD) (page 27).
CUG
See closed user group (CUG) (page 28).
cumulative administrative weight (CAW)
Sum of the connection segment costs across the rerouting domain.
current cell rate (CCR)
The cell rate at which ATM elastic connections are operating when they are
not running at full capacity (in a reduced bandwidth state). When an elastic
connection is operating at full capacity, its CCR is equal to its equivalent cell
rate (ECR).
customer edge device or router (CE)
A router or device that is part of a customer network and that interfaces to a
provider edge (PE) router.