Icom IC-M803 Instruction Manual - Page 87

AF/MOD, Pin name, Description, REMOTE, GPS-DATA, Specification

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9 CONNECTIONS AND INSTALLATION AF/MOD Pin Pin name Description Modulation input from an external 1 MOD+ terminal unit. Specification Input impedance: More than 600 Ω Input level: Approximately 0.77 V rms 2 MOD- Coaxial ground for MOD+. - 3 GND Ground for digital equipment. - 5 1 AF detector output for an external Output impedance: Less than 600 Ω 4 AF+ terminal unit. Output level: More than 770 mV rms 9 6 5 AF- Coaxial ground for AF+. 6 GND Ground for digital equipment. 7 NC No connection. 8 SEND Ground this pin to transmit. 9 GND Ground for digital equipment. - - - Ground level: -0.5 to 0.8 V Input current: Less than 20 mA - 9 REMOTE 5 1 9 6 Pin Pin name Description 1 DCD Inputs terminal for carrier detection. RXD Inputs terminal for receive data. 2 NMEA-OUT NMEA0183 ver 4.10 data output. TXD Outputs transmit data. 3 NMEA-IN NMEA0183 ver 4.10 data input. 4 DTR Outputs data terminal ready signal. 5 GND Connected to ground. 6 DSR Inputs terminal for a data-set-ready signal. 7 RTS Outputs request-to-send data. 8 CTS Inputs terminal for clear-to-send data. 9 NC No connection. GPS-DATA Pin Pin name Description 1 NMEA + NMEA0183 ver 4.10 data input +. q w 2 NMEA _ Ground for NMEA data +. 79

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79
CONNECTIONS AND INSTALLATION
9
9
AF/MOD
Pin
Pin name
Description
Specification
1
MOD+
Modulation input from an external
terminal unit.
Input impedance:
½ore than 600 Ω
Input level:
Approximately
0.77 V rms
2
MOD–
Coaxial ground for MOD+.
–
3
GND
Ground for digital equipment.
–
4
AF+
AF detector output for an external
terminal unit.
Output impedance:
Less than 600 Ω
Output level:
More than
770 mV rms
5
AF–
Coaxial ground for AF+.
–
6
GND
Ground for digital equipment.
–
7
NC
No connection.
–
8
SEND
Ground this pin to transmit.
Ground level:
–0.5 to 0.8 V
Input current:
Less than 20 mA
9
GND
Ground for digital equipment.
–
REMOTE
Pin
Pin name
Description
1
DCD
Inputs terminal for carrier detection.
2
RXD
Inputs terminal for receive data.
NMEA-OUT NMEA0183 ver 4.10 data output.
3
TXD
Outputs transmit data.
NMEA-IN
NMEA0183 ver 4.10 data input.
4
DTR
Outputs data terminal ready signal.
5
GND
Connected to ground.
6
DSR
Inputs terminal for a data-set-ready signal.
7
RTS
Outputs request-to-send data.
8
CTS
Inputs terminal for clear-to-send data.
9
NC
No connection.
GPS-DATA
Pin
Pin name
Description
1
NMEA
+
NMEA0183 ver 4.10 data input
+
.
2
NMEA
_
Ground for NMEA data
+
.
1
5
6
9
1
5
6
9
q
w