1.4.3 Input/Output Connections
Radio Interface: Two five-pin DIN connectors;
Input/Output Lines Receive audio
Transmit audio
+/- Push-To-Talk (PTT) (+25 / - 40 VDC)
External squelch input
Ground
Direct FSK Outputs: Normal and reverse for each radio port
CW keying Outputs: Positive: +100 VDC max, at up to 100 mA
Negative: -30 VDC max, at up to 20 mA
Terminal Interface: RS-232-C 25-pin DB-25S connector
Input/Output RS-232-C with full handshake (hardware
and software)
Terminal Data Rates Autobaud selection of 110, 150, 300, 600,
1200, 2400, 4800, 9600 and 19200 BPS.
1.4.4 Controls and Indicators
Front Panel Indicators: Twenty-segment, selectable display
type: discriminator, magic eye or
zero center bargraph indicator for
tuning radio port 1.
Power Switch Front panel push-on push-off
Threshold Control Front panel knob controlling DCD
sensitivity of radio port 1 demodulator
Status Display LCD Status Display, with variable
intensity backlight, showing
Mode and data controller status
for both radio ports
1.4.5 General
Power Requirements: +13 VDC (12 to 16 VDC) at 1100 mA (max)
880 mA with LCD back light off
Mechanical: Overall, W 11 13/16" x D 12" x H 3.1/2"
(300 mm X 305 mm X 89 mm)
Weight 6 pounds 4 oz. (2.84
kilograms)
1/93 1-4
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