User's Manual

3-21
Table 3-9. X-MODE Connector J2 (MS3114E16-26S) Pin Characteristics
PIN Signal Label Function Impedance Level
TX AUDIO – PLAIN TEXT (VOICE)
C PT IN Plain Text (Voice) Input
150 
1 mV RMS
D GND Ground, Audio GND GND
H HI LVL PT IN Hi-Level PT In, Bal.
600 
0.77 V RMS
J HI LVL PT IN RTN Hi-Level PT In, Bal.
2 M to Ground
0.77 V RMS
RX AUDIO – PLAIN TEXT (VOICE)
E PT OUT Plain Text (Voice)
Output
600 
0 V to approximately
6V Peak
D GND Ground, Audio GND GND
M REM PT OUT Plain Text Output, Bal.
600 
5.5 V RMS @ Max.
Mod.
Z REM PT OUT
RTN
Plain Text Output, Bal. Balanced 5.5 V RMS
TX CIPHER TEXT (CT) - DATA
B CT IN Cipher/Data Input - RS232
D GND Ground, Audio GND GND
RX CIPHER TEXT (CT) - DATA
T CT OUT Cipher Text Output - RS232
D GND Ground, Audio GND GND
TX KEY LINE - PUSH-TO-TALK (PTT)*
F PTT-N Push-To-Talk Input,
Ground to Transmit
10 k to +5V
RCV: +5 V
XMT: GND
D GND Ground, Audio GND GND
or
X GND-SIGNAL DC Ground - -
RS-232 REMOTE
S RS232 TX Remote Control Output
470 
RS232
a RS232 RCV Remote Control Input
6.8 k
RS232
X GND-SIGNAL DC Ground - -
ON/OFF REMOTE
V ON/OFF Remote Power On/Off - +24 V @ 7 mA.
(Source)
W ON/OFF RTN Remote Power On/Off - +24 V @ 7 mA. Input)