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Ap-28 serial interface – input ports – Furuno FAR-2107(-BB) User Manual

Page 278

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APPENDIX

AP-28

Serial interface – input ports

Heading sensor

Baud rate is selectable from 4800 bps (non-IMO only) and 38.4 kbps. Complies with IEC
61162-2.

LTC1535

Isolated RS485 Transceiver

Logical High: A-B> +0.2V
Logical Low: A-B< -0.2V

RD-A

RD-B

GND

Log/navigator

Baud rate is adaptive with RX data. Complies with IEC 61162-1.

PC-400

Photo Coupler

RD-A

RD-B

470 ohm

This port is an opticoupler used to isolate I/F terminal on RD terminal.

Absolute maximum rating
Input
Forward current: 50 mA
Reverse voltage: 6 V

Output
Supply voltage: 16 V
High level output voltage: 16 V
Low level output current: 50 mA