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5. Installing the Remote Link
EAC-2100 Manual: (Draft, 02/01) Page 6-11
When entering the SSR command, each TDMA channel will have 3 RSSIs displayed.
These represent the average RSSI in slots 1&4, 2&5 and 3&6. With TDMA channels,
a * beside the RSSI indicates that the EAC will not attempt a hand-in on the channel /
slot. This could be because of one of several reasons:
- the channel / slot is already being repeated by one of the EAC channels
- the measured DVCC from the subscriber does not match the DVCC in the donor
voice channel list
- the MAHO RSSI reported from the subscriber for the donor does not meet the
hand-in load shed criteria
- the MAHO RSSI reported and the RSSI received from the subscriber do not meet
the minimum improvement hand in criteria
- the EAC has attempted a hand-in on the channel / slot and is waiting the delay
between hand-in attempts
6.12 DCS call statistics for DTC
Screens 1-5 have been changed to group the DTC boards and present subtotals for the
DTC boards and the analog boards.
Screen 3 contains statistics on calls terminated, and, for DTC boards, the categories
labels are appropriate for DTC calls and correspond to the possible reasons listed by
SCS for termination of DTC calls.
Screen 4 has been changed to list unsuccessful setups according to whether the failure
was in the link to the donor or the link with the mobile.
Screen 6 contains a statistic on the number of power control actions to reduce or
increase the mobile power. This is for calls that are on the EAC DTC channels.
6.13 DCH call statistics for DTC
The DCH Hourly call statistics show a weekly rolling usage of the EAC-2100 DTC
channels. These statistics should be very helpful in d etermining the need to add TDMA
channels to the EAC.
In the DCH Screens, total calls and total minutes are listed.
One of the DCH screens shows how many requests for digital channels service had to
be turned away due to EAC TDMA channels busy.
The last DCH Screen gives a summary of the amount of traffic that could not be
handled due to busy EAC resources.