ET-118 Ethernet Fiber Optic Transceiver User's Manual

2
− Allow SQE (heartbeat) to be
disabled when used with a
concentrator / hub / repeater
− When SQE test switch is enabled,
send a heartbeat signal to the
attached station at the end of a
transmission
1.3 AUI (D-15) connector descriptions
Pin Name Pairs Use
3 DO+ Transmit Data Out +
10 DO- Pair Data Out -
11 DO S Data Out
Shield
5 DI+ Receive Data In +
12 DI- Pair Data In -
4 DI S Data Shield
7 NC Not Connected
15 NC Not Connected
8 NC Not Connected
2 CI + Collision Control In +
9 CI - Pair Control In-
1 CI S Control Shied
6 VC Power Voltage
Common
13 VP Pair Voltage
Common
14 VS Voltage Shield
Shell
Ground
PG Protective