User's Manual

61
Document Number: 0100SM1401 Issue: 05-15
Physical Interfaces
Serial port -
COM 1 & 2
USB port
Auxiliary
port
Ethernet Ports
1 2 3
Radio A (Tx/Rx)
(N-Type)
Radio B (Tx/Rx)
(N-Type)
Primary DC input
11 to 30 V
Secondary DC
input
11 to 30 V
12 V DC output
Digital inputs
1, 2 & 3
Digital outputs
1, 2 & 3
Front Panel
Rear Panel (Hot Standby Option B)
Radio Select
Switch
Radio A
(Tx/Rx)
Radio B
(Tx/Rx)
Radio A/B Switched
(Tx/Rx) (N-Type)
Primary DC input
11 to 30 V
Secondary DC
input
11 to 30 V
12 V DC output
Digital inputs
1, 2 & 3
Digital outputs
1, 2 & 3
Rear Panel (Hot Standby Option E)
Antenna
Duplicated Antenna Ports
Common Switch Antenna Ports
Radio Select Switch
The 3 position switch (A / Auto / B) on the front panel provides the following
functionality:
Position A: Radio A is forced online
Position Auto: changeover hardware will select the online radio
Position B: Radio B is forced online
Adjacent to the select switch are two LEDs: These LEDs indicate the current online radio.
Indicated State
Select
LEDs
Auto Mode
Local Force
Remote Force
Part F – Quick Reference Guide