NEC Univerge SV9100 System Hardware Manual page 685

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13.4 APR-L UNIT

SV9100 System Hardware Manual

The APR-L UNIT (Analog Port Ringer) provides an analog interface for the

terminal. The APR-L UNIT adapter provides ringing which allows the connected

device to be used for incoming and outgoing calls. This adapter also provides a

separate extension number for the analog device, which allows both devices to be

used at the same time (this can be removed in system programming if you wish).

One terminal can have an APR-L UNIT adapter.

The maximum distance between the APR-L UNIT and the analog terminal is 49

With the APR-L UNIT adapter installed, and the analog device attached to the

adapter is in use, the telephone cannot be used – Only one physical port number

is assigned to the telephone. If both the analog device and telephone are picked

up at the same time, the analog device takes priority. If the terminal user is on a

call and the single line telephone is picked up, the single line telephone takes the

call from the terminal user.

When installing or removing the adapters, the telephone should be

unplugged from the system.

The APR-L UNIT does not support reverse-polarity, message waiting, or

Figure 9-111 ADA-L Cable Opening

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