User Manual

A XELL D-MBR-USA R EPEATER
PRODUCT DESCRIPTION AND USER’S MANUAL
42 Axell Wireless Ltd
6 Monitoring and Troubleshooting
D-MBR-USA provides an automatic system shutdown and recovery mechanism that is activated
when certain alarms are active. In addition, the repeater provides three types of indications and
troubleshooting tools:
• Alarms screen in Web access application
• Alarms Log – used to view a record of past generated alarms
• Status LEDs on Dual-Band Repeater front panel
The following sections provide a description of the troubleshooting procedures according to the
Repeater LED indicators and the Web access Alarms.
6.1 Shutdown and Recovery Mechanism
The D-MBR-USA shutdown-recovery mechanism mutes the system in the event of specific
alarms generation and re-activates the signal after the alarms are shut off.
The following alarms cause the system to enter the shutdown mode:
• Uplink RSSI.
• Downlink RSSI.
• Detection of oscillation.
• Uplink high output power out of range.
• Downlink high output power out of range.
The system periodically samples the above alarms at 0.5 seconds intervals (by default). If an alarm is
active for nine sequential loops (e.g. 0.5 * 9 = 4.5 seconds), the system will 'shut down' by muting the
PAMP.
When the system is in “Shutdown” mode, the recovery function will periodically sample the alarms
every two hours (by default). If the relevant alarm is no longer active, the system will return to
normal operation mode and reactive the signal.
The sampling and timing mechanisms can be modified by a technician level user.
The shutdown mode can be turned off by the user and the system re-enabled in normal operation
mode by setting RF Transmission Enable to ON.