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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�
nput impe ance
ore t an
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�
utput impe ance
ess t an
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
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Summary of Contents for IC-M803
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