MM-015371-001, Rev. C
62
Table 13-1: M5300/M7300 Option Cable CA-012349-001 Interconnections
44-PIN I/O
CABLE
CONNECTOR
P1 PIN
SIGNAL NAME TO/FROM DESCRIPTION
16 XTONEENC P4 pin 15
External Tone Encode Audio. This connection is not
used in a
motorcycle installation.
17 XTONEDEC P4 pin 16
External Tone Decode Audio. This connection is not
used in
a motorcycle installation.
6 EXTALO P4 pin 17
External Audio Output. This connection is not
used in a
motorcycle installation.
24 HORNRING P4 pin 18
23 SONOFF P4 pin 19
In a motorcycle installation (i.e., remote-mount radio), these
two (2) pins are not
functional. For siren/PA interfacing, use
the respective pins on the CH-721 Option Cable’s female
DB-25 connector. See Section 13.5 for additional information.
18 INP1 P4 pin 21 Digital Input 1.
2 OUT1 P4 pin 22 Digital Output 1 (open-collector).
29 TXENB+ P4 pin 23 Transmit Enable B+.
27 EXTMIC P4 pin 24
Pin 27 of the radio’s DB-44 connector is the radio’s External
Mic Audio Input for a headset microphone (or any second mic
audio source such as a boom mic or mic audio from a
portable radio (via a belt box)). For a standard headset
installation, use Headset Adapter Cable CA-012349-002 and
Accessory Cable 19B802554P24, not
Option Cable CA-
012349-001. See Section 11 for additional information.
28 SWA+ P4 pin 25 Switched A+ DC Power Output.
32 GPS_NMEA_RX P5 pin 2
Serial Rx Input for GPS NMEA-Formatted Serial Data. This
connection is not
used in a motorcycle installation.
31 GPS_NMEA_TX P5 pin 3
Serial Tx Output for GPS NMEA-Formatted Serial Data. This
connection is not
used in a motorcycle installation.
7 GND P5 pin 5
Ground for GPS Serial Data Signals (fused on radio’s PK
Board at 3.15 amps). This connection is not used in a
motorcycle installation.
11 IGNITION
(no
connection)
Unused/Spare ignition sense input.
33
through
44
—
(no
connections)
These pins of P1 are not used/not connected.
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