User's Manual

14221-1200-4010, Rev. B
74
Table 13-1: Option Cable 14002-0174-01 Interconnections
44-PIN I/O
CABLE
CONNECTOR
P1 PIN
SIGNAL NAME
TO/FROM
DESCRIPTION
27
EXTMIC
P4 pin 24
External/Auxiliary Mic Audio Input. Fixed-level audio input
(i.e., input gain is not adjustable). Approximately
120 mVrms gives full-rated deviation. Use P4 pin 17 for
ground.
28
SWA+
P4 pin 25
Switched A+ DC Power Output (not normally used).
32
GPS_NMEA_RX
P5 pin 2
NMEA-Formatted GPS Receiver Position Data Serial
Data Output.
31
GPS_NMEA_TX
P5 pin 3
NMEA-Formatted GPS Receiver Module Initialization
Data Serial Data Input.
7
GND
P5 pin 5
Ground for GPS Serial Data Signals (fused inside radio).
11
IGNITION
Yellow Wire
Unused/Spare ignition sense input.
33 — 44
—
(no connections)
These twelve pins of P1 are not used/not connected
when Option Cable 14002-0174-01 is connected.