Gill Instruments Ltd
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WindObserver II Page 18 Issue 18
Doc. No. 1390-PS-0004 January 2009
RS 232 Output – 9 way
Pin Designation
1 DCD
2 RX data
3 TX data
4 DTR
5 Signal Ground
6 DSR
7 RTS
8 CTS
9 RI
RS422 Network In – 9 way Skt
Pin Designation
1 Not connected
2 Not connected
3 Not connected
4 RS422_RXA (-)
5 Signal ground
6 RS422_TXA (-)
7 RS422_TXB (+)
8 RS422_RXB (+)
9 Chassis
RS422 Network Out – 9 way Plg
Pin Designation
1 Not connected
2 Not connected
3 Not connected
4 RS422_RXA (-)
5 Signal ground
6 RS422_TXA (-)
7 RS422_TXB (+)
8 RS422_RXB (+)
9 Chassis