12: Front Panel Assembly
PRC1099A-MS 12-7
12.2 Connectors
12.2.1 Audio Connectors
The PRC1099A front panel provides two Audio connectors that connect
handsets, headsets, and CW key devices to the radio. The PRC1099A supports
the following audio devices.
This section provides the Audio connector pin assignments with a description
of each pin assignment.
Table 12-2 Supported Audio Devices
Device Description
DSP9000-HS High-level encrypting handset. Normal operation is fully
automatic—user selects plain or cypher mode. Refer to the
Datron Product Catalog for more information.
MHS H-189/U repairable military handset.
H-250/U Disposable, Noise-canceling version of the MHS.
H140/U Ruggedized headphones.
H3M Headset-boom microphone. Single earphone profile with
clip-on PTT switch.
KYR Morse key with 36 in. (0.9m) cable.
LS-R Loudspeaker with 5-pin MIL-STD connector.
SHS Scrambling handset with 5-pin MIL-STD connector. The
SHS-KIT programming kit is sold separately.
Pin Name Description
A GND Shield ground for the audio device cable.
B RX AUDIO Receive audio output to handset or headset
speaker to Audio/Filter board J6 connector.
C PTT PTT from the handset or headset.
D TX AUDIO Transmit audio input from handset or headset
microphone to Audio/Filter board J6
connector.
A Shield Ground
B Rx Audio
C PTT
Tx Audio D
CW Key E
+12V SW F
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