SILENT KNIGHT 9500, Инструкция по установке и эксплуатации

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Programming
151059 5-45
To Change the Ring Threshold Voltage:
The Threshold field controls the phone line low voltage/Line Fault threshold level. If the
voltage on the phone line connected to the line card drops below this set threshold level for
that line card, the receiver will indicate a
Line Fault
on that phone line.
1. Follow the procedure in Section 5.5.2.2.
2. Press for Line Options menu.
3. Press until the display flashes on the Threshold field.
4. Enter the desired value from the keypad or press or to change the Line fault
threshold level. Values range from 1 to 15 volts in 2.0 VDC increments (0=line monitor
disabled. 1=2.0VDC, 2=4.0VDC, 3=6.0VDC and so on).
5. When the desired line fault threshold is flashing press or .
To Change the Phone Line Fault Detection (Sample Rate):
The Fault Detect field controls how often the receiver will sample the phone line to verify that
it is above the set threshold level of that line card. This is how often the receiver verifies the
integrity of the phone line.
1. Follow the procedure in Section 5.5.2.2.
2. Press for Line Options menu.
3. Press until the display flashes on the Fault Detect field.
4. Enter the desired value from the keypad or press or to change the line sample
rate. For the 9810, values range from 0 to 255 in 1 second increments (1=1 second, 2=2
seconds, 3=3 seconds and so on). For the 9815, values ranging from 0 to 90 seconds in 1
second increments. The receiver will make two to three samples before generating a
trouble condition on a faulty line.
5. When the desired sample time is flashing press or .
6. Press to exit this menu.