Ritron DTX-165-0 Maintenance And Operating Manual page 11

3 DTX INPUT/OUTPUT CONNECTORS
DB-15 Connector Pinout
Pin Number
1
2
3
4
5
6
7
8
9
10.
11.
12.
13.
14.
15.
2-Pin Molex Connector
1
2
Pinout Description
Pin Number
1
2
Name Description
CS0 Channel Select low bit
CS1 Channel Select mid bit
CS2 Channel Select high bit
MIC IN Microphone Input
CSN High/Low Power or Channel 1/2 (in RNet Mode)
NC No Connection
AUX IN Auxiliary Input
AUX OUT Auxiliary Output
PGN IN/OUT Programming I/O
CTS Clear to Send
RX MON Monitor
AUDIO OUT Audio PA Output
DCD Carrier Detect
PTT/RTS Push to Talk
GND Ground
+Vsupply +10-16VDC
GND Ground
Description
CS0-Least significant bit of the channel select lines. Active high 5 volt
TTL/CMOS level. Internal 10 k pull-up to +5 volts.
CS1-Mid bit of the channel select lines. Active high 5 volt TTL/CMOS level.
Internal 10 k pull-up to +5 volts.
Comments
Input for microphone type
signals to be transmitted.
Signals at this input are pre-
emphasized, limited, and
filtered. This input is disabled in
very narrowband mode.
Wideband input for data.
Wideband output for data.
External programmer
connects here.
Asserted when
transmitter can accept
modulation.
Breaks squelch in receive.
Output of audio PA.
Carrier detect output.
Activates transmitter.
Negative supply point and
reference for all inputs.