Andrew Wireless Innovations Group BCEL-FAST719 User Manual

Page 12  of 28

 

 

1 

Install your system properly, according to the required number of remote units, 
and power up the system. 

2 

Wait until the communication between TFLF and TFAF’s are established and 
the alarms relevant to UNUSED port arises (LU LED fixed).  

3 

Verify that all USED ports don’t have active alarms. In case, please follow the 
troubleshooting steps to remove unwanted alarms. 

4 

Press the “store button” for at least 5 second. 

5 

All the TFLF LEDs will flash for 3 seconds, and the UNUSED port alarms will 
disappear.  All the alarms relevant to unused ports will be disabled. 

6 

Switch off the system, wait a few seconds, power up and verify the unwanted 
alarms are masked.  

 
A restore procedure is available to replace a wrong configuration and restore the initial 
configuration: 
 

1 

Power off the system while holding down the “store” button. 

2 

Power on the system. 

3 

The LED will flash for 2 seconds. 

4 

All of the active alarms will be displayed again. 

 
 
 

The system is designed to  be powered by standard telecom voltage  –48VDC. The power 
consumption is 9W for the TFLF. The supply connector part name is MOLEX 5569-03.  A 
connectorized jumper is shipped with each Local unit. 
 

ü  WARNING: The system is connected POSITIVE to GROUND. Grounding connections must be carefully managed 

 
 
 
 
 
 
 
 
 
 

 

Figure 7  DC Power Connections for Local Unit TLFL 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Blue negative –48VDC 

Black ground 0V