15
APPENDIX: AUI (DB15) Connector Pinout
Appendix. AUI (DB15)
Connector Pinout
Pin
Symbol
Name/Function
1
CI-S
Control-In Shield: The shield for the
CI twisted pair in the AUI cable.
2
CI-A
Control-In Circuit A: The positive
signal for the CI circuit. With CI-B,
CI-A is an output current driver pair
to the CI circuit. This output pair is
activated when a collision is detected
on the network, either during self-test
(heartbeat) as the SQE test
sequence or after the watchdog timer
has expired to indicate that the
transmitter is disabled.
Summary of Contents for LE1601A
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