Fujitsu 5GRUDB3 User Manual page 59

RU Hardware Feature
External Interface
Figure 7
Maintenance Window
Table 17
RU Status by LED Combination
RU status
Operational
Transmitter On
Blocking
Major Alarm
Critical Alarm
Minor Alarm
L1 disconnection
L1 link found
(M-Plane not found)
L1 & M-Plane link found
·
Issue 1.1, May 2021
Release 1.0
LED
Operation
Green blinking
Green on
Green blinking
Green off
Green off
Green blinking
or
Green on
n/a
n/a
n/a
LED:
Fault LED
Operational LED
eCPRI Interface LED
Fault
Red off
Red off
Red blinking
Red blinking
Red on
Red blinking
n/a
n/a
n/a
59
Fronthaul
n/a
n/a
n/a
n/a
n/a
n/a
Green off
Green blinking
Green on
Fujitsu and Fujitsu Customer Use Only