4 Aviat Networks
IDU RJ-45 to RJ-45 Crossover Cable
Connectors are wired such that Receive Ring and Tip at one end connect to Transmit
Ring and Tip respectively, at the other. Refer to Figure A-2. Pins 3, 6, 7, 8 remain the
same. It provides a balanced 120 ohm connection.
Each assembly supports one trib.
Crossover cable assemblies are used to interconnect one IDU RJ-45 port to another.
For Connection Function, Receive specifies data in to the DAC module; Transmit is
data out from the DAC.
Table A-2. IDU RJ-45 to RJ-45 Crossover Cable Assembly
Connection
Function
Pin-to-pin
Connections
Connection
Function
Receive Ring 1 4 Transmit Ring
Receive Tip 2 5 Transmit Tip
Optional Ground 3 3 Optional Ground
Transmit Ring 4 1 Receive Ring
Transmit Tip 5 2 Receive Tip
Optional Ground 6 6 Optional Ground
Ground 7 7 Ground
Ground 8 8 Ground
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