Ericsson LBI-39224 manual Output Signal Level dBm, Channel Equipped

LBI-39224

NOTE

If Automatic Level Control (ALC) is disabled for the selected channel, subtract 1.5 dBm from the required Input Signal Level setting. For example, if the required input signal level is -10 dBm, enter -11.5 dBm. ALC is disabled by setting the ALC text box to "NO."

LBI-38938 contains a line level adjustment overview section which contains general information and general recommendations for both input and output level settings.

Output Signal Level (dBm)

This setting establishes the signal level in dBm (600-ohm impedance; 0 dBm = 1 milliwatt) sent out by the selected channel's line output. The setting specifies the voice peak (test tone) level sent out by the channel. Valid range is -25.0 dBm to 13.0 dBm, in 0.5 dBm increments. Select the required value from the drop-down list box. Output Signal Level default = 0 dBm.

Bus/Slot Equipped

All utilized channels within an interface module must be allocated a time slot on the CEC/IMC TDM network. Allocate a time slot to the selected channel by setting Bus/Slot Equipped to "YES." A channel will not route audio correctly if is not allocated a time slot. Set all unused channels to "NO" (default setting).

Channel Equipped

This parameter is unique to NIMs, and must be enabled for each installed distributed multisite audio channel. Enter "YES" in the text box to enable those channels, enter "NO" for all unused channels.

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."

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