Reference Manual

Operation and Maintenance Terminal
Exception: A DXU which uses the PRACT transmission circuit
does not support the LBO values.
•
Modify FDL use values for transmission interface.
Sets the individual Facility Data Link (FDL) use values for a T1
transmission interface. The values are defined and referred as
parameter "FDL_use" in the IDB.
Exception: A DXU which uses the PRACT transmission circuit
does not support the FDL_use.
• Display FDL use values for transmission interface.
Displays the individual FDL use values for a T1 transmission
interface. The values are defined and stored as parameter
"FDL_use" in the IDB.
Exception: A DXU which uses the PRACT transmission circuit
does not support the FDL_use.
The functions above are normally used at:
•
Installation (set transmission interface type, set/display available
synchronization source, display/define spare bits, display/switch
on/switch off CRC-4)
•
Maintenance (monitor maintenance data)
48.3.13 Antenna System
The following user functions, related to the antenna system, are
available in the OMT:
•
Monitor maintenance data, display any of the following data and
update changes continuously
− Diversity
The functions above are normally used for maintenance.
48.3.14 Transceiver
The following user functions, related to the transceivers, are available in
the OMT:
•
Switch on QIU, switch on subjective speech quality improvements
uplink for one or more traffic channels within one transceiver
1)
• Switch off QIU
1)
1)
Facilitates BER measurements according to /GSM:11.20/ and /
GSM:05.05/.
• Monitor maintenance data, display any of the following data and
update changes continuously
− Transmission and reception
− Timing advance
390 (485)
EN/LZT 720 0008 P2A
2001-11-28
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Preliminary