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Octal DS3/STS-1 I/O Rear Module
Plexus 9000 Planning and Engineering Guide
Issue 2, April 23, 2004
Section 130-120-650
5-160
Telica,
Inc
The rear Octal DS-3 IOM has:
•
An EEPROM that contains the CLEI code.
•
Sixteen BNC connectors, eight for the T3 transmit channels and
eight for the receive channels.
•
Relays that pass the DS-3s to the front module or to the protection
bus.
The rear Octal DS-3 protection IOM has:
•
An EEPROM that contains the CLEI code.
•
Relays that pass the DS-3s to the front module from the protection
bus.
5.14.2.1
General Mechanical Representation
The rear module has sixteen BNC connectors, Channels 1 to 8 RX (IN)
and Channels 1 to 8 TX (OUT) as shown in