Ericsson LBI-39224 manual Save and Send PIM Audio Board Configurations, Notch Filter

LBI-39224

NOTE

In earlier CEC/IMC firmware/software releases, slot allocations could only be made contiguously starting with channel one (1). In some systems this produced slot allocation inefficiencies—some slots had to be allocated but were never used. CEC/IMC software/firmware release 5.0 (and later) provides non-contiguous slot allocations. In this release, only those slots actually required need be allocate. For example, channels 1 and 4 can be allocated slots without allocating slots to channels 2 and 3.

Notch Filter

Do not enable the notch filter on any utilized channel for a PIM, therefore set Notch Filter to "NO" (disabled).

ALC

CAUTION

DO NOT enable ALC for any channel if the respective Audio Board part number is 19D903302P1 (any revision).

Automatic Level Control (ALC) provides compensation for signal level variances in a channel line input signal. As required, enable ALC for the selected channel by entering "YES" in the ALC text box or disable it by entering "NO."

Save and Send PIM Audio Board Configurations

When channel configuration of the selected PIM is complete, the Site Channel Configuration dialog box changes must be sent to the CEC/IMC before the changes will take effect. This reprograms the PIM Controller Boards. However, it is important to save the new configuration prior to sending it to the CEC/IMC because a send will send the last configuration that was saved to disk; saving first ensures that the actual CEC/IMC channel configuration will be the same as the channel configuration stored on the CEC/IMC Manager hard disk. To

save and send configurations, action	is	required first	in	the
Site Channel Configuration dialog	box	and then	in	the
Site Channel Configuration List dialog box.

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