User's Manual

Physical description
3-12 iRM4451nn00-2 iRRH Product Description and Installation Guide
Table 3-4 LED indicators description and operating characteristics
Indicator Description Operation
POWER Indicated power ON/OFF status
• OFF when no power is applied to the unit
• Steady GREEN when power to the unit is
normal/in service
• Steady RED when a power fault is present
STATUS
Indicates the status of the
iRM4451nn00-2
• OFF when no power is applied to the unit
• Steady GREEN when GPS or 1588V2 timing
synchronization lock is achieved
• Slow GREEN blink when booting up or
shutting down
• Steady AMBER when minor fault occurs
(hardware or software)
• Steady RED when a critical or major fault
occurs (hardware or software)
FH1
Indicates the status of the
Ethernet fronthaul data Port 1
throughput
• OFF when no power is applied to the unit or
when booting
• Steady GREEN when port has link and
operating at Gigabit Ethernet rate, but there
is no Ethernet activity
• Slow GREEN when port is operating at
Gigabit Ethernet rate and has Ethernet
activity
• Steady AMBER when less than Gigabit
Ethernet mode
• RED when a critical fault occurs
FH2
Indicates the status of the
Ethernet fronthaul data Port 2
throughput
Future use
*Refer to LED callouts in Figure 3-11.
Table 3-5 LED blink rates
Indicator state Description
Steady OFF
LED OFF
Steady ON LED is continuously ON, no interruption
Slow blink LED ON for about 0.5 s and OFF for about 0.5 s