MR U I nt e rf ac es C MA - XX X- A E N
P a ge 1 5
Draft
Port
Description
Exp. UL/DL
SMA RF ports for UL and DL connections to Add-On unit (supporting any band
across the supported spectrum: 300 MHz to 3 GHz)
List. Mode
N/A
OPTIC
LC APC port for dual SMF fiber optic connection
MGMT
RJ-45 Ethernet connection for MRU local management connection
External Alarms
DB-9 female external alarm connector for external dry contact alarm connections
Exp.
RJ-45 Ethernet connection for Add-On local craft
Table
2-1. MRU Interface Ports
LED
Description
PWR
Steady green:
Required power is supplied to MRU chassis
Off:
No power input detected
RUN
Blinking
green:
Unit is running and operational
Rapid blinking
green:
‘Identify’ feature has been enabled via the management GUI
Off:
No power inpout detected
STS
Steady green:
Normal operation; overall status OK
Steady red:
Indicates generated alarm in unit
Blinking red:
‘Over temperature’ alarm active.; Indicates temperature has exceeded
threshold (with door open)
Note: Temperature alarm is set as first priority and overrides any other alarm
indicator.
FAM
Steady green: All four fans are operating at normal speed (fan alarms clear)
Steady red:
Fault detected in at least one fan (fan alarm set)
LINK
Steady green: Optical link level from optical module above normal threshold
Steady red:
Optical link level is lower than Normal threshold
(PAM)
Steady green:
Power and status of Power Amplifier Module OK. No alarms active.
Steady red:
One or more alarms are active.
Table
2-2. MRU LED Descriptions