Western Telematic PollCat III, Руководство по обслуживанию

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A.3. SC1 Serial Card Interface
(DB-9 Male; AT PC Style)
Pin Signal I/O
1 DCD (Data Carrier Detect) In
2 RXD (Receive Data) In
3 TXD (Transmit Data) Out
4 DTR (Data Terminal Ready) Out
5 Signal Ground ---
6 DSR (Data Set Ready) In
7 RTS (Ready to Send) Out
8 CTS (Clear to Send) In
9 Not Connected ---
A.4. Alarm Wiring
The Alarm Port located on the unit’s back panel is designed for
connection to a user-supplied alarm device. When a Toll Fraud
alarm is generated, the PollCat III will activate the Alarm Port.
Figure A.4 and the table below describe the Alarm Port interface.
Pin Signal
1 Do Not Connect
2 Not Connected
3 Signal Ground
4 Signal Ground
5 Do Not Connect
6 - Alarm Signal (open collector output)
Apx-3
Appendices
Figure A.4: Alarm Port Interface