UNIVERGE SV9100 Issue 1.2
System Hardware Manual 6 - 39
When installing or removing the adapters, the telephone should be
unplugged from the system.
The APR-L UNIT supports reverse-polarity, message waiting lamping, or
Caller ID.
. Note: if the APR-L unit is configured with the same extension extension number as the
DTL multiline terminal to which it is installed, timers relating to SLT interfaces,
including Timed Break Recall, do not effect the APR-L Unit.
11.4.1 APR-L UNIT Switch Settings
Figure 6-29 APR-L UNIT shows the location of the switches. The dip
switches (DSW) allow a technician to configure the unit for specific
settings.
Set the dip switches on the APR adapter to the required position.
1. Leave the SW1 switch at its factory setting of 1. This also
applies to the dip switch settings (1 and 5 = on; 2-4, 6-8 = off).
2. Use the SW3 switch to set the terminating impedance. Position
1 is for a pure resistance of 600 ohms; position 2 is for complex
Figure 6-29 APR-L UNIT
If it is the intention to use the APR-L UNIT to
connect to a fax machine, it should be noted
that the APR-L UNIT provides 24v and some
fax machines require 48v to operate correctly.
Due to location, set the switches prior to installation
of APR-L on DTL multiline terminal.
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