User Manual

MN021-01

Page 12 of 28

STEP SET CONFIGURATION ACTION

1 Install your system properly, acco

rding 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.

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:

STEP RESTORE CONFIGURATION ACTION

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.

7. Installation and Cabling

7.1. Power supply

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

in order to avoid reverse polarity mistakes

Figure 7 DC Power Connections for Local Unit TLFL

Blue negative –48VDC Black ground 0V