Ericsson LBI-39224 Manual do Utilizador descarregar pdf (Página 117)

LBI-39224

3-87

CEC/IMC to Disk

Choose the

CEC/IMC to Disk

button to write the current CEC/IMC

configuration data to the CEC/IMC Manager hard disk. This action

will overwrite the current CEC/IMC Manager configuration for the

selected interface module. This function is useful if the CEC/IMC

Manager configuration database is lost for any reason. A difference

between CEC/IMC and CEC/IMC Manager databases will be evident

by comparing the CEC/IMC Manager and CEC/IMC list boxes in the

Site Channel Configuration dialog box. Ensure that the CEC/IMC

configuration is correct, then choose the

CEC/IMC to Disk

button to

restore the CEC/IMC Manager configuration database for the selected

interface module.

Channel Selection

Select a channel (1 thru 32) for configuration from the CEC/IMC

Manager channel list box, only one channel may be selected at a time.

The selected channel and its configuration data will be displayed in the

edit fields above the CEC/IMC Manager list box.

Input Signal Level (dBm)

This setting establishes the signal level in dBm (600-ohm impedance;

0 dBm = 1 milliwatt) applied to the selected channel's line input. Enter

(type) the required value in the text box. The setting should be equal to

the voice peak (test tone) level applied to the channel's line input.

Voice peak levels are +10 dBm greater than average voice levels. The

valid range is -25.0 dBm to +12.0 dBm in 0.5 dBm increments. The

program automatically rounds-off non-0.5 dBm fractional entries to the

nearest 0.5 dBm point. Input Signal Level default = 0 dBm.

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.

NOTE

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Ericsson LBI-39224 Manual do Utilizador Página 117