INSTALLATION
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3-9
COM-00-21-05 OCTOBER 2021
Version No.: A
3.7.6 Connection Summary
Table 3-1 Connection Summary
Connection/Switch
Application
LCD
LCD screen shows system status
Ground
Post
Connection to protective earth ground. Use a #10-32 thread locking
nut torque to 8 inch-pounds with a 3/8” wrench.
Input - / +
The Radio is supplied with a mating screw terminal plug, Phoenix P/N:
1777989, that needs to be wired.
DC power input 18-60 VDC, 2A maximum. Tighten screw terminal locking
screws using a screwdriver to prevent disconnection of plug from the
socket.
Ensure correct polarity when wiring DC power supply to screw
terminal plug. Power supply (not provided) must meet electrical
requirements and State and local code
requirements for use
application. Installation by qualified personnel only.
Reset DC/LED
Power
Indicator
This is a dual-purpose DC power reset switch with a built-in LED power
indicator.
GPS
SMA female connector torqued down to 5 inch-pounds with 5/16” open-
end wrench for an optional GPS antenna.
RF1 50 Ω
50Ω N-Type female connector for RF input/output from the antenna.
Torque hex connector to 15 inch-pounds with 5/8” open-end wrench.
Never energize the Airlink Mars radio without a 50 Ohm (4 Watt min)
load (or antenna)
on the RF connector.
Serial
RJ45 8-pin socket wired using the Cisco interface specification for RS232
serial data.
Console
RJ45 8-pin socket wired using the Cisco RS232 serial interface
specification for console access.
Eth1
RJ45 8-pin socket for CAT5/6e Ethernet 10/100 Base-T cable interface.
Eth2
RJ45 8-pin socket for CAT5/6e Ethernet 10/100 Base-T cable interface.