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PK-88 OPERATING MANUAL
1.2.4
Input/Output Connections
Radio Interface:
Input/Output Lines
External Modem Interface:
TTL Input/Output Lines
Terminal Interface:
Input/Output Lines
Terminal Data Rates
1.2.5
Controls and Indicators
Front Panel Controls:
Status and Mode Indicators:
1.2.6
General
Power Requirements:
Mechanical:
Environmental:
Ambient Temperature:
Eight-pin microphone connector
Receive audio
Transmit audio
Push-To-Talk (PTT)
External squelch input
Ground
Pins 13 through 17 of Connector Jl
Receive data (RXD)
Transmit data (TXD)
Transmit Clock (TXC)
Data Carrier Detect (DCD)
Ground
Standard RS-232C 25-pin DB25 connector
RS-232C (CCITT V.24/V.28) with full
handshake (hardware and software)
Auto-baud selection of 300, 1200, 2400,
4800, and 9600 BPS. TBAUD adds 45, 50,
57, 75, 100, 110, 150, 200, 600 and
19,200 BPS terminal rates.
Power Switch
CONV, TRANS, CMD, SEND, DCD, STA, CON,
MULT, PWR
+13VDC (12 to 16 VDC) at 500 mA.
Internally fused, with reverse-polarity
protection.
7.5inches by 6.05 inches by 1.5 inches
(19.05 mm by 15.4 mm by 3.8 mm)
Weight 2 pounds 5 ounces (1.05 kg)
Operating:
0 C to +55 C
Storage:
-40 C to +60 C
1-3
INTRODUCTION
PK88-17
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