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What are the DTE Leads for the HSSI Port on the T3SU 300 and OSU 300

What are the DTE Leads for the HSSI Port on the T3SU 300 and OSU 300

Article ID: 1528
Q&A

  What are the DTE Leads for the HSSI Port on the T3SU 300 and OSU 300?


Q: What are the DTE Leads for the HSSI Port on the T3SU 300 and OSU 300?

A:

AbbreviationMeaningPurpose and Configuration
TATerminal AvailableAsserted by the DTE to indicate readiness to transmit data.
CACommunications Equipment AvailableAsserted by the T3SU 300 or OSU 300 to indicate readiness to transmit data.
TMTest ModeAsserted by the T3SU 300 or OSU 300 when either the network or the port is being tested
LALoopback circuit AThe condition reflected by this lead is dependent on the LB lead. See table below.
LBLoopback circuit BThe condition reflected by this lead is dependent on the LA lead. See table below.
LCLoopback circuit CAsserted by the unit to request a loopback from the DTE.

LA and LB Leads

LALBCondition
OffOffNo Test (normal)
OnOffLocal Line loopback
OffOnRemote Line loopback
OnOnLocal DTE loopback


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Last update:
‎02-28-2012 11:35 AM
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