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Panasonic 15000 User Manual

Page 21

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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

BPV

See

bipolar violation (BPV) (page 19)

.

break-before-make rerouting

See

connection recovery (page 33)

.

BRI

See

basic rate interface (BRI) (page 18)

.

BRM

See

backward resource management cell (BRM) (page 17)

.

broadband inter-s interface (B-ICI)

An interface between public ATM networks.

broadcast

To send one or more messages to multiple addresses on one or more
networks.

BSR

See

bootstrap router (BSR) (page 20)

.

BT

See

burst tolerance (BT) (page 22)

.

BTDS

See

bit-transparent data service (BTDS) (page 20)

.

buffer

A linked list of blocks. The blocks that make up a buffer are not necessarily
contiguous. Buffers are composed of multiple blocks when the user data does
not fit into a single block. The linkage of blocks to form a buffer is managed by
the queue controller.

buffer memory

See

shared memory (page 121)

.

building-integrated timing supply (BITS)

The most accurate and stable clock source within a physical structure. All
digital equipment in the structure receives timing reference from the same
master clock. BITS derives its signal from a stratum-3E or better reference
signal. BITS provides network clock synchronization through external timing
to the Nortel Multiservice Switch 7400, Multiservice Switch 15000, or
Multiservice Switch 20000 node.