Appendix b. cabling and connections – Campbell Scientific VSP3 Vosponder Voice Radio Interface User Manual
Page 45
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B-1
Appendix B. Cabling and Connections
Pin 2 to Pin 3
Pin 3 to Pin 2
Pin 5 to Pin 5
1
2
3
4
5
6
7
8
9
DB-9 Female
1
2
3
4
5
6
7
8
9
DB-9 Female
FIGURE B-1. Terminal Interface Cable (Null Modem)
+12 VDC
Ground
1
2
3
4
J1
SDI-12
1
2
3
4
J1
FIGURE B-2. SDI-12 Data and Power Interface Connector
1
2
3
4
5
8
J5
TX Data
RX Data
Sig GND
6
7
9
FIGURE B-3. RS-232C Terminal Interface Connector
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