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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
Multiservice Access Function Processor (MSA8 FP), 8-port
The 8-port DS1 or E1 function processor card which provides Multiservice
capability on the Multiservice Switch
7400.
Multiservice Passport access network link (MPANL)
A Nortel Multiservice Switch link support service designed to communicate
with Passport
4400 access units. MPANL includes proprietary protocol
elements derived from ITU-T X.36 (frame relay) and signaling protocols
(Q.922 and Q.933). These protocol elements enhance the treatment of voice
traffic over links shared with application data and enable secure signaling as
a frame relay application. MPANL includes
• components for interfacing to Passport 4400 access units using frame
relay, FrMux, and ISDN
• components for traffic shaping
• components for participating in Multiservice Switch voice and various VC
services
Multiservice Passport access network link signaling protocol (MSP)
This protocol allows end devices connected to a Passport 4400 unit to
interwork with end devices of a similar type in the Nortel Multiservice Switch
network. The same protocol can also allow a Passport
4400 unit to connect to
another Passport
4400 unit in a hierarchical manner.
Multiservice Switch bus
Two synchronous 32-bit 25-MHz cell buses, operating in a load-sharing
capacity, that can communicate with up to 16 function and control processors.
Each bus operates at 800 Mbit/s for a combined speed of 1.6
Gbits/s.
Multiservice Switch cluster
A group of one or more interconnected access nodes connected to the
backbone in the same RID subnet. A cluster may consist of a single node or
multiple nodes. A single-node cluster is a single cluster border node providing
access and not connected to any other access nodes. A multi-node cluster is
a group of one or more access nodes interconnected to one or more cluster
border nodes. A cluster exchanges limited routing information and no topology
information with the backbone.
Multiservice Switch subnet
A number of Nortel Multiservice Switch nodes directly connected to one
another.
Multiservice Switch trunk
Nortel Multiservice Switch node-to-Multiservice Switch node connection
supporting core networking. Multiservice Switch trunks support the dynamic
packet routing system (DPRS) and path-oriented routing system (PORS).