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Fargo Telecom Wismo Maestro 20 Maestro 100 GSM GPRS modem 900 / 1800
Name Direction Description
1 DCD Data Carrier Detect
2 TX Transmit Data
3 BOOT  
4 MICROPHONE(+) 0.5mA; 100mVpp
6 RX Receive Data
7 DSR Data Set Ready
8 DTR Data Terminal Ready
9 GND Ground
10 SPEAKER(+) -?- 16mA; 32 Ohm
11 CTS Clear To Send
12 RTS Request To Send
13 RI Ring Indicator
14 RESET  
15 SPEAKER(-) -?-  
15 pin highdensity D-SUB female connector layout
15 pin highdensity D-SUB female connector
at the cable
15 pin highdensity D-SUB male connector layout
15 pin highdensity D-SUB male connector
at the device
According to 1 reports in our database (0 positive and 1 negative) this pinout may be incorrect.

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