Specifications

Glossary
19
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
StrataBus
On the BPX switch, contains crosspoint wiring used to carry ATM trunk data between both the
network interface and service interface modules and the crosspoint switch as well as providing
control, clock, and communications.
subrate data
Multiple low-speed data circuits carried in a single DS0 timeslot.
superrate data
Single high-speed data circuit carried in multiple DS0 timeslots.
SCR (Sustained Cell
Rate)
Long term limit on the rate a connection can sustain.
SVC (switched
virtual circuit)
A virtual circuit that is dynamically established on demand and torn down when transmission is
complete.SVSdonotneedtoreserveanynetworkresourceswhentheyarenotinuse.Calleda
switched virtual connection in ATM terminology. Compare with PVC.
S