User's Manual

5. Installing the Remote Link
EAC-2100 Manual: (Draft, 02/01) Page 6-4
For calls operating on a donor DTC, hand-in will occur if the signal level from the
donor is weaker than -100 dBm AND if the signal level from the EAC would be at
least 5 dB better than from the donor. For calls operating on the EAC, handback to the
donor will occur if the signal level from the donor is better than –100 dBm. Or,
handback will occur if the signal level from the donor is at least 2 dB better than it is
from the EAC. The default settings result in 7 dB (5 +2 ) of hysteresis for minimum
improvement criteria and 10 dB for the load shed criteria.
Handin disabled:
HANDIN LOAD SHED LEVEL: DISABLED
HANDIN MINIMUM IMPROVEMENT: DISABLED
(Both must be set to “DISABLED” to disable hand-in.)
Handin if EAC better regardless of absolute signal level from donor:
HANDIN LOAD SHED LEVEL: DISABLED
HANDIN MINIMUM IMPROVEMENT 5 dB
Handback disabled:
HANDBACK LOAD SHED LEVEL: DISABLED
HANDBACK MINIMUM IMPROVEMENT: DISABLED
(Both must be set to “DISABLED” to disable handback.)
Handback if donor better regardless of absolute signal level from donor:
HANDBACK LOAD SHED LEVEL: DISABLED
HANDBACK MINIMUM IMPROVEMENT: 2 dB
Handback due to load shed criteria only:
HANDBACK LOAD SHED LEVEL: -XX dBm
HANDBACK MINIMUM IMPROVEMENT: DISABLED
Negative hysteresis setup for repeated hand-in / handback testing:
HANDIN LOAD SHED LEVEL -40 dBm
HANDIN MINIMUM IMPROVEMENT DISABLED
HANDBACK LOAD SHED LEVEL –100 dB
HANDBACK MINIMUM IMPROVEMENT DISABLED
With the above setup, any subscribers in an area where the signal level from
the donor is at least –110 dB and the signal level from the EAC is 3 dB or
more better than the from the donor will undergo repeated hand-in to the EAC
and handback to the donor. This setup should be used only in strictly
controlled circumstances. One way to cause it to happen on a target
subscriber unit only is to empty the donor channel list, set up the call, and
then enter only the single donor channel.
6.7 Recommendation for settings to avoid repetitive hand -in and
handback