Xerox DocuCentre SC2020 User Manual page 170

Tools
Values:
Pattern1–7
Extel Hook Threshold
Purpose: To select the external telephone hook detection threshold for the condition in which a telephone
line is not being used.
Values:
Lower
Normal
Higher
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Xerox DocuCentre
User Guide
DRPD is a service provided by some telephone companies. DRPD patterns
are specified by your telephone company. The patterns provided with the
device are shown below:
Pattern1
Pattern2
Pattern3
Pattern4
Pattern5
Pattern6
Pattern7
Ask your telephone company which pattern you need to select to use this
service. For example, Pattern7 is the New Zealand FaxAbility distinctive
ringing pattern: rings for 400 ms, stops for 800 ms, rings for 400 ms and
stops for 1400 ms. This pattern is repeated over and over again. This device
only responds to Distinctive Alert cadence(s) DA4 in New Zealand.
Sets the external telephone hook detection threshold
to Lower.
Sets the external telephone hook detection threshold
to Normal.
Sets the external telephone hook detection threshold
to Higher.
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SC2020