Apr-L Unit Switch Settings; Installing The Apr-L Unit - NEC Univerge SV8100 System Hardware Manual

UNIVERGE SV8100
System Hardware Manual
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.
11.4.1

APR-L UNIT Switch Settings

Figure 6-29 APR-L UNIT
switches (DSW) allow a technician to configure the unit for specific
settings.
Due to location, set the switches prior to installation
of APR-L on DTL/ITL multiline terminal.
ANALOG PORT
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
impedance (factory setting is 1).
11.4.2

Installing the APR-L UNIT

Perform the following to connect the APR-L UNIT to the Bottom
Option Interface located underneath the DTL/ITL multiline terminal.
Only one APR-L UNIT can be installed.
.
shows the location of the switches. The dip
Figure 6-29 APR-L UNIT
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