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