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Technical specifications GM series
Technical specifications AM series
Firmware
The type and number of interfaces depends on the model.
Refer to the overview in section 2.6.
Serial interfaces
Appendix Technical data of the MAM series
Mitsubishi Alarm Modem 10 - 2
Features Data
Network Type
GSM/GPRS Class 10, Dual Band 900/1800 MHz (GSM series)
Antenna
FME plug (male), coaxial, Impedance: 50 Ohm,
Reception frequency: 925 ... 960 MHz/ 1805 ... 1880 MHz
Transmission frequency: 880 ... 915 MHz/ 1710 ... 1785 MHz
Output: 2 W (900 MHz) 1 W (1800 MHz)
Data transmission
300 bps – 14,4 kbps async., transparent/non transparent
ITU-T (V.21,V.22, V.22bis, V.26ter, V.32, V.34, V.110)
Fax transmission
Fax Group 3 / Class 1 and 2. 2400 bps – 14,4 kbps ITU-T (V.17, V.29, V.27ter)
Data compression: MNP2, V.42bis
Tab. 10-3: Technical specifications GM series
Features Data
Operating system
Commercial RTOS (real-time multitasking operating system) with
C++ abstraction layer
File system
Commercial DOS compatible Flash file system
C++ abstraction layer
External
control protocol
TiXML: simple, text-based XML-like protocol for modem configuration.
External applications can create events / alarms by sending event commands.
Tab. 10-4: Firmware
Features Data
Network Analog connection (PSTN, a/b Interface), RJ11
Data transmission 300bps – 56kbps, ITU-T (V.90, V.34+, V.32bis, V.32, V.22bis, V.22, V.21), Bell 212A, Bell103
Fax transmission Fax G3 / Class 1, 2400bps – 14,4kbps, ITU-T (V.17, V.29, V.27ter, V.21 ch2)
Error Correction/
Data Compression
V.42 / MNP 2-4, V.42bis / MNP5
Tab. 10-5: Technical specifications AM series
Interface Data
RS232
To ITU-T V.24, V.28, Hardware-Handshake
COM1
D-Sub 9-pole, Socket
FIFO 16550, max. 230.400 bps,
Signals: DTR, DSR, RTS, CTS, DCD, GND, RI, RxD, TxD
Transmission distance 15m
COM2 D-Sub 9-pole, plug, otherwise as for COM1
RS485/422
To EIA/TIA-485
COM2
5-pole screw terminal for T+, T-, R+, R-, 0 V
max 1.5 Mb/s, not isolated
Termination integrated, activated via DIP switches
Transmission distance max.1200 m
depending on the transmission rate, bus system and cable type
Tab. 10-6: Serial interfaces