FSK TCP 0211 - APPENDIX A: RS232 PROTOCOL DETAILS; FSK STANDARD SERIAL FORMAT

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APPENDIX A - RS232 CONNECTIONS AND PROTOCOL
The Router is fitted with a female DB9 RS232 connector which is used to send
alarms to the monitoring computer.
5
1
9 6
PIN FUNCTION
2 RS232 TXD
3 RS232 RXD
5
GND
5
3
DB9
FEMALE
SERIAL
CABLE
3 25
WIRE LENGTH = 400mm
RXD
2
5 23
5 23
TXD
TXD RXD
GND (black)
DB9
MALE
DB9 FEMALE CONNECTOR
COMPUTER
FSK STANDARD
BAUD RATE: 1200
Stop Bits: 1
Data Bits: 8
Parity: NONE
Handshaking: NONE
String Format <SOT>
Start of Text ASCII Char 2
ACCOUNT 1-5 Account Code (5 ASCII
characters, e.g. 12345)
INFORMATION 1-3 Alarm Information (3
ASCII characters, e.g.
097)
<CR> Carriage Return (ASCII
character 13)
<LF> Line Feed (ASCII
Character 10)
<EOT> End of Text (ASCII
Character 4)