Ret-Maintenance; Device Not Found; Other Problem - Amphenol 151221BF Manuel D'utilisation

11.2 RET-MAINTENANCE

When connecting to an MDCU that is not inserted into an antenna, a RET with the name "RET-
MAINTENANCE00" is showed in your list of devices. This mode allows for a reprogram/reconfigure
exercise without needing to have access to the antenna.
When you see the "RET-MAINTENANCE00" message from an MDCU already installed in the
antenna, please execute the following process of elimination:
- Disconnect the AISG cable
- Loosen the screws and remove the MDCU from its socket
- Check for anything that might be preventing a good connection
- Re-insert the MDCU back into the antenna
- Reconnect the AISG cable
- Execute a scan
If RET-MAINTENANTCE00 is still present after the rescan, try replacing the MDCU after configuring it
correctly (Cf. Reconfigurer un
considered.

11.3 DEVICE NOT FOUND

If you get this message: "DEVICE NOT FOUND" on your BTS apply this process:
- Connect directly an AISG controller (type ALC ) without TMA/RRH in the RF path ...
- Execute a scan:
o If your antenna works correctly check your AISG cable and any other devices in the
RF path.
o If you have the same message, try to replace the MDCU after reprogramming

11.4 Other problem

If you have another problem you may contact the technical support RET team from Amphenol:
technical.support.ret@amphenol-antennas.com
MDCU). If the defect still appears, an antenna replacement should be
▪
If you encounter the same problem, replacement of the antenna should be
considered.