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Plexus 9000 Planning and Engineering Guide
Octal DS3/STS-1 I/O Front Module
Section 130-120-600
Issue 4, March 26, 2004
Telica, Inc.
5-149
Octal DS3/STS-1 I/O Front Module
General Mechanical Representation ................................................5-150
DS-3/STS-1 LIU and Super Mapper................................................5-154
To Switch Unit (TSU) and From Switch Unit (FSU) )....................5-154
Segmentation and Reassembly (SAR) ) ...........................................5-154
Maintenance Link Bus Adapter (MLBA) and EEPROM ................ 5-155
Microprocessor and Memory ...........................................................5-155
Digital Signal Processor (DSP)........................................................5-155
Clocks and Synchronization............................................................. 5-155
DS3/STS-1 Protection Module ........................................................ 5-156
DS3 and STS-1 Loopbacks .............................................................. 5-156
5.13.1 Scope
This section describes the front Octal DS-3 IOM. It explains the module
functions, LED indicators, and connector interfaces. This module cannot
be installed in the original Plexus chassis, 85-3000; it must be used in the
85-3004 or 85-3007 chassis.
The CLEI codes of the modules are as follows:
Part Numbers CLEI
Codes Comments
89-0382-A
BAA9UV0GAA DS-3 only.
89-0382-B
BAA9UVZGAA DS-3 only.
89-0398-A BAA9UVXGAA
DS-3/STS-1
89-0411-A
BA4A701FAA
DS-3/STS-1. Supports tone
detection.
89-0423-A
BA9AXW0FAA DS-3 only.
89-0425-A
BA9AXY0FAA
DS-3 only. Supports tone detection.
Note:
Shaded part numbers have been “manufacture discontinued,” but
are still supported.