Andrew ION-B Series, User Manual

Page: 44 / 181

44 ION-B User Manual
TFAx Case A Start-Up
Before the TFAx Remote Unit is switched on, make sure that:
• the modules hosted in the master unit have been connected to each other with RF
jumpers, according to the system design
• every TFLN master optical TRX has been connected to its Remote Units
• each Remote Unit has been connected to its coverage antennas
For a correct system start-up, all the Remote Units have to be switched on prior to the master
unit.
Once the TFAx has been switched on, its behaviour can be summarized as per the following
indicators:
1. When the Remote Unit is turned on, both the LEDs upon the warm side turn on for a
couple of seconds
2. After that, the unit’s green LED remains on (thus indicating proper power supply), while
the red LED switches off as soon as the master unit is turned on (meaning that DL optical
power is OK and no alarms are present).
3. Once the master unit has been switched on, the status of both LEDs should be
those indicated in Table 3.2.1. In case the red LED remains on, please refer to the
Troubleshooting section.
4. After being switched on, the Remote Unit should start up correctly and in order to be
recognized by the supervision management system, the corresponding TFLN master
optical TRX should carry out the discovery phase (please refer to the Supervision System
Manual for more details). During this phase, which can last for up to a max. 4min,
depending on the system complexity, the TFLN LED blinks. Do not connect/disconnect
any cables or pieces of equipment during the discovery phase! This may result in the
identifi cation failure of the Remote Unit.
Note: in case discovery doesn’t start automatically, check through either the LMT or the
remote supervision for whether it has been disabled (refer to LMT or remote Supervision System
manuals for further information).
TFAx Case A Troubleshooting
Please refer to the
TFAx Case A and Case B troubleshooting
for a full overview of the
troubleshooting procedures for Case A Remote Units.