Equipment Status Of A Multiservice Switch 15000 Or Multiservice Switch 20000; Hardware Parts That Can Be Replaced Or Upgraded - Nortel 15000 Hardware Description

Introducing Multiservice Switch 15000 and Multiservice Switch 20000 hardware
capability, or performance. Nortel Networks supports specific peripheral
equipment to interwork with a Multiservice Switch 15000 or Multiservice
Switch 20000. The peripheral equipment includes:
• an EdgeLink mux made by Telco Systems
• an external hardware alarm (for example, an end-of-aisle lamp)
• an MFA150 system of ac rectifiers made by Astec Advanced Power
Systems
• a multiport aggregate device made by Nortel Networks
• some 19-wide sparing panels that are originally part of the optional
hardware of the Multiservice Switch 7400 series of nodes
• a SER 5500 switch made by Nortel Networks
Information about the installation or operation of the equipment is included in
the Multiservice Switch 15000 and Multiservice Switch 20000 suite of
hardware documents. Where the information appears depends on what tasks
are involved in getting the equipment installed, cabled, and tested. Refer to the
table of contents to locate your task.
Equipment status of a Multiservice Switch 15000 or Multiservice
Switch 20000
Each unit of operating hardware in Nortel Networks Multiservice
Switch 15000 and Multiservice Switch 20000 nodes have status LEDs, which
indicate what the hardware is doing.The patterns of LED behavior, per unit of
hardware, are described in
(page
Sounds are provided through optional external alarms to customer premises
equipment (CPE). Connecting external alarms is described in NN10600-130
Nortel Networks Multiservice Switch 15000/20000 Hardware Installation,
Maintenance, and Upgrade.

Hardware parts that can be replaced or upgraded

Most of the hardware units of a Nortel Networks Multiservice Switch 15000
and Multiservice Switch 20000 can be replaced in the event of failure or
damage. All such field replaceable units (FRUs) and service replaceable units
(SRUs) are listed in
comprehensive than information found in the product Ordering Catalog
because it includes part numbers of some assemblies. Some part numbers
appear in procedures to simplify handling but they are not in the list of FRUs
because they cannot be ordered individually.
Copyright © 2005, Nortel Networks
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Using status indicator LEDs and sounds
287).
Field replaceable units (page
Nortel Networks Multiservice Switch 15000/20000
Hardware Description
NN10600-120 sPCR6.1S1 Standard
sPCR6.1 February 2005
308). This list is more
Nortel Networks Confidential