LTE Service Affecting Alarm
The alarm filtering parameters can be set by running the SET ALMFILTER command. This alarm is reported when the optical module
BBU Optical Module Transmit/Receive Fault
After combining the RRU log analysis and the alarm of the optical module, the radio frequency maintenance link is triggered by the
UBBP CPRI Port Arrangements
not securely installed. Alarm handle 1-Check the connections of the CPRI electrical cable Continue the operation according to the
CPRI Cable Function and Details in Telecom
CPRI is optical fiber that carry signals whether it is control or message. Control signals are the controlling signal that
CPRI Cable Functions in Telecom | PDF | Optical Fiber
CPRI is the standard interface defined for communication between baseband units (BBU) and remote radio units (RRU) in mobile
CPRI Guide | PDF | Computers
When the optical module fails to receive data, analyze the problem based on alarm location information No signal, Receive Power
Fixing CPRI Fail Alarms Guide
• Alarm cleared: this alarm caused by dust pollution • Alarm is Not cleared : move next step ※ When connecting an optical cable to
BBU Alarm Overview for LTE Systems
A redundant RRU chain/ring is configured,The optical module on the CPRI port of the BBU is not in position, or th module or
This reference is intended for preliminary optical-network research. Compatibility, link budgets, installation methods, test limits and applicable standards must be verified for the specific project.