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User Connections
Table 15
PC communications (8-way connector, J5)
Connector J5
Signal Name
1
SDI-12 TX/RX
2
Signal 0V
3
RS232 TX-, (or RS422/RS485 TX-) HUB to user
4
RS232 RX-, (or RS422 RX-) User to HUB
5
RS422 RX+, User to HUB
6
RS422/RS485 TX+, HUB to User
7
Supply 0v
8
Supply +ve (4.5v to 30v dc)
Table 16
Digital Switch Input (2-way connector, J8)
Connector J8
Signal Name
2
DIG1 (Digital Switch Contact Input)
1
GND (Ground)
MetPak RG Base Station User Manual
© Gill Instruments Ltd
Page vi
Last Change
22 April, 2013