User's Manual

48/70 Issue 01 - April 2001 - Draft 03 3CC12425AAAA TQ BJA 01
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11. Check the absence of alarms in the 7390LT software application (see section Alarms of the Base
Station User Manual 3CC 12426 Axxx).
12. Update the station installation sheet (Appendix 1 – 7390 TS installation sheet).
5.5 Changing a faulty X-Pol RT unit
Stages
1. Turn off the NT power supply.
2. Disconnect the mains cable connecting the NT unit to the power source.
3. Disconnect the X-Pol RT/NT connection cable.
4. Change X-Pol RT after checking on the label that mnemonics are identicals to the previous one.
5. Install again the X-Pol RT and carry out antenna alignment. For this, refer to § 3 – Installation of the
X-Pol RT’s A7390 Terminal Station and § 4 – Commissioning the 7390 Terminal Station.
6. Reconnect the X-Pol RT/NT connection cable.
7. Connect the NT to the mains supply.
8. Power up the NT.
9. Wait between 2 and 5 minutes. Reconfiguration is automatic.
10. Check the absence of alarms in the 7390LT software application (see section "Alarms" of the Base
Station User Manual 3CC 12426 Axxx).
11. Update the station installation sheet (Appendix 1 – 7390 TS installation sheet).