User's Manual Part 1

90 APCD-LM043-8.0 (DRAFT C)
6: Installation & Diagnostic Tools
6.1.2 Radio LED
In the following table, RSS is the Radio Signal Strength, in dBm.
Table 10 Radio LED
NOTE:
A Radio LED slow flash flashes at 0.83 Hz, 33% duty cycle, about
once per second. A Radio LED
fast flash flashes at 2.5 Hz, 50%
duty cycle, about two or three times per second.
6.1.3 Power LED
Table 11 Power LED
6.1.4 Ethernet LEDs
The Ethernet connector used in the CCU and EUM, shown in Figure 43, has two LEDs. These
LEDs are described in Table 12.
Figure 43 Ethernet LEDs
LED State RSS Value
OFF No radio signal present
Slow Flash Receive Threshold < RSS < -80 dBm
Fast Flash -80 dBm <
RSS < -70 dBm
ON Solid RSS >
-70 dBm
LED State Power Status
OFF No power
ON Power
Link LED
Traffic LED