Wiring
⚫
27
System Wiring for GP2 Logger with modem
gateway in M-ENCL-B2 metal enclosure
Figure 18
3G Modem Gateway wiring with a GP2 logger
Power
Power
Power
Aerial
Enable text
message (optional)
Solar
Panel
RS232 & Power
Fuse
RS232 serial data
Regulator/charger
To trigger text message
connect the signal wire
via a relay to earth
Modem
Modem
Battery
Fuse (6.3A 20mm)
Power
3G Modem