Chapter 4. Configuration and Operation
150
System Label - Enter as desired.
System Date and Time - Initial entry of real-time clock data.
T1 Alarm Processing - Alarm routing to either T1-1 or T1-2; Carrier Group alarm release and delay time
options; if Yes is selected further prompts allow selection of either REM(ote) alarm through either the
Facility Data Link (FDL), or Bit 2 = 0.
Jitter Attenuation - Jitter is T1 signal distortion caused by noise or timing differences; attenuation reduces
the amount of jitter.
Jitter Attenuation Depth - 28 Units per interval is the more stringent limit that can be set for attenuation.
REM Alarm - Choices differ depending upon mode of operation; selections displayed in the following
figure apply to drop-and-insert operation, and would not appear for channel bank and dual channel bank
modes.
Apply Changes - Save the system parameter settings.
Figure 4-60, following, depicts the entire System Operation Parameters edit sequence.
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