User's Manual

3-22
Table 3-9. X-MODE Connector J2 (MS3114E16-26S) Pin Characteristics (Continued)
PIN Signal Label Function Impedance Level
OTHER REMOTE LINES
N PT/CT CTRL Plain Text/Cipher Text
Control
150 k
PT - Open
CT - Ground
P UHF/VHF-N Amplifier Control - HI = UHF
R FM/AM-N Amplifier Control - HI = FM
X GND-SIGNAL DC Ground - -
24Vdc OUTPUT VOLTAGE
G +24VX +24 Vdc Output Battery or Power Source 30 VDC Maximum,
500 mA Maximum
Drain
X GND-SIGNAL DC Ground - -
or
A GND-CHASSIS Chassis Ground - GND
SQUELCH OUTPUT
U SQUELCH - - HI = Squelched
X GND-SIGNAL DC Ground - -
or
A GND-CHASSIS Chassis Ground - GND
SPARE
K
-
- - -
Y
-
- - -
B
-
- - -
C
-
- - -
L - - - -
GROUNDS
A GND-CHASSIS Chassis Ground - GND
D GND Ground, Audio GND GND
X GND-SIGNAL DC Ground - -
* The standard PTT configuration is 5-wire. A 4-wire configuration is available. Please contact
General Dynamics C4 Systems Customer Service for further information.