Avaya Configuring WAN Line Services Manual de usuario Pagina 112

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Configuring WAN Line Services
7-12 117021-A Rev. A
Set the line coding for this MCT1 interface.
Setting the Signal Level
The Signal Level parameter specifies the T1 transmit power level in decibels (dB).
Line buildout conditions the signals to mitigate attenuation, and depends on the
physical length of the T1 line.
The carrier determines signal levels on a long-haul (0 to 6000 ft. of cable) T1
network interface. Signal power for digital cross-connect (DSX-1) short-haul (0
to 655 ft.) is based on cable length.
For DSX-1, decibel levels correlate with cable length, as follows:
0.0 dB -- 0 to 133 ft.
0.5 dB -- 133 to 255 ft.
0.8 dB -- 266 to 399 ft.
1.1 dB -- 399 to 533 ft.
1.5 dB -- 533 to 655 ft.
By default, the signal level is set to 0.0 dB. If 0.0 dB is not sufficient for
long-haul, the carrier determines values of -15 and -7.5 dB. Set the long-haul or
short-haul signal level for this MCT1 interface.
Setting the Alarm Threshold Time
By default, the MCT1 interface waits 2 seconds before logging a performance
defect or anomaly as an event message. Change that time to any value from 2 to
10 seconds.
Set the alarm threshold for this MCT1 interface.
Site Manager: Line Coding parameter: page A-28
Site Manager: Signal Level (dB) parameter: page A-29
Site Manager: Setup Alarm Threshold (seconds) parameter: page A-29
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