Panasonic 15000 User Manual

Page 132

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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

Nortel Confidential

Timing towards a 2 MHz (or 2 Mbit/s, no payload) synchronization interface.

tag control information (TCI)

Tag control information (TCI) is a subheader of the IEEE 802.1Q tag header.
It consists of two octets encoded with user-priority bits, a canonical format
indicator field, and a VLAN identifier.

tag protocol identifier (TPID)

Tag protocol identifier (TPID) is a subheader of the IEEE 802.1Q tag header.
It consists of two octets encoded with the 802.1Q tag type for VLANs. The
format of the encoding is dependent on the type of encoding supported: SNAP
or Ethernet.

tandem node

A node between the ingress and egress nodes that decides independently the
best packet forwarding route to the egress node identified in the packet. See

egress node (page 47)

and

ingress node (page 64)

tandem pass through (TPT)

A software process that allows MVP-E FPs on tandem Nortel Multiservice
Switch nodes to dynamically detect each other and pass, without modification,
compressed voice data through an intermediate voice switch. Voice Transport
and Voice Networking support TPT.

See

trunk conditioning (TC) (page 137)

TCI

See

tag control information (TCI) (page 132)

TCP

See

transmission control protocol (TCP) (page 136)

TDM

See

time-division multiplexing (TDM) (page 133)

TDMA