Cisco BPX-BXM-155-8DX Installation And Configuration Manual page 619

S
On the BPX switch, contains crosspoint wiring used to carry ATM trunk data between both the
StrataBus
network interface and service interface modules and the crosspoint switch as well as providing
control, clock, and communications.
Multiple low-speed data circuits carried in a single DS0 timeslot.
subrate data
Single high-speed data circuit carried in multiple DS0 timeslots.
superrate data
Long term limit on the rate a connection can sustain.
SCR (Sustained Cell
Rate)
A virtual circuit that is dynamically established on demand and torn down when transmission is
SVC (switched
virtual circuit) complete. SVS do not need to reserve any network resources when they are not in use. Called a
switched virtual connection in ATM terminology. Compare with PVC.
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Cisco BPX 8600 Series Installation and Configuration
Glossary
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