Daktronics Ethernet Bridge Radio (EBR) 900 MHz (0A-1327-1111) and 2.4GHz (A-3446) - Manual (Page 9)

Maintenance 5
Section 3: Maintenance
3.1 LED Diagnostics
Use the label affixed to the radio, shown in Figure 11 and Figure 19, and the
16 diagnostic LEDs on boards inside the housing of both the server and client
radios to determine whether the radio is linking properly and which channel is
currently being used.
The following chart also describes the diagnostic LEDs’ functions:
Power
RF Receive
RF Transmit
Ethernet Link
Channel
Sum values to
determine channel
32
1
6
8
4
2
1
BEST
FAIR Link Quality
POOR
Minimum Distance - 20 ft
Maximum Distance - 1500 ft
Minimum Height - 20 ft
Mount in Direct Line of Sight
Mount Both Radios Outdoors
Mount radios with antennas vertical and
provide free and clear radiation pattern
Figure 11: Radio Label
Name Function Color
Power Unit has power and has successfully booted. Red
RF TX Radio transmission is occurring. Green
RF RX Radio reception is occurring. Green
Ethernet Link The Ethernet Port has a valid Ethernet connection. Green
CH 1
CH 2
CH 4
CH 8
CH 16 (not used with
900 MHz radios)
CH 32 (not used) By adding the numbers that are lit, the user can
determine the current radio channel.
2.4 GHz Radios
0
Auto Mode 15 2.445833 GHz
1 2.416667 GHz 16 2.447917 GHz
2 2.418750 GHz 17 2.450000 GHz
3 2.420833 GHz 18 2.452083 GHz
4 2.422917 GHz 19 2.454167 GHz
5 2.425000 GHz 20 2.456250 GHz
6 2.427083 GHz 21 2.458333 GHz
7 2.429167 GHz 22 2.460417 GHz
8 2.431250 GHz 23 2.462500 GHz
9 2.433333 GHz 24 2.464583 GHz
10 2.435417 GHz 25 2.466667 GHz
11 2.437500 GHz 26 2.468750 GHz
12 2.439583 GHz 27 2.470833 GHz
13 2.441667 GHz 28 2.472917 GHz
14 2.443750 GHz 29 2.475000 GHz
900MHz Radios
1 903.12500 MHz 7 915.62500 MHz
2 905.20833 MHz 8 917.70833 MHz
3 907.29167 MHz 9 919.79167 MHz
4 909.37500 MHz 10 921.87500 MHz
5 911.45833 MHz 11 923.95833 MHz
6 913.54167 MHz 12 926.04167 MHz
Green
Link Quality Meter:
The more LEDs that
are lit, the higher the
link quality
Excellent link quality No retransmissions Green
Very good link quality Few retransmissions Green
Good link quality Occasional retransmissions Amber
Fair link quality Some retransmissions Amber
Poor link quality Many retransmissions Red
No link quality No link available Red