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10.6 Terminals
10.6.1 MAM-GMx: Mitsubishi Alarm Modems GSM with RS232 and RS485
Terminals Appendix
10 - 9 MITSUBISHI ELECTRIC
COM1
(RS232)
-+
SIM-Card Push
10...30 V DC
Service
Power
Process
Line
Data out
Modem Mode
Antenna
MAM-GM6 MAM-GM20
MAM-GM24
COM2
(RS232)
COM1
(RS232)
-+
SIM-Card Push
10...30 V DC
Service
Power
Process
Line
Data out
Modem Mode
Antenna
SIM-Card Push
COM1
(RS232)
R+ R- -T +T (0V)-+
10...30 V DC
Service
Power
Process
Line
Data out
Modem Mode
Antenna
Fig. 10-3: MAM-GMx: Mitsubishi Alarm Modems GSM with RS232 and RS485