MITSUBISHI ELECTRIC MITSUBISHI MAM MAM-AM24 - Manual (Page 44)

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