Hardware manual

Electra Elite Issue 8
System Hardware Manual 7 - 13
3.3 APA-U Unit (Analog Port Adapter)
The Analog Port Adapter without Ringer is the interface for
installing Single Line Telephones, Modems, Credit Card Readers,
Wireless Headsets, NEC VoicePoint/VoicePoint Plus Conferencing
unit, and other compatible analog devices. The APA-U Unit does
not generate a ringing signal. One user-adjustable switch with two
settings is provided on the adapter. Setting 1 allows impedance to
be set to 600 for devices such as modems. Setting 2 is used for
complex impedance devices such as a Single Line Telephone.
3.3.1 Installing APA-U Unit on any DTP/DTU Multiline Terminal
except DTP-2DT-1 and DTP-16HC-1
1. Prepare Multiline Terminal for adapter installation.
Refer to Section 2 Preparing Multiline Terminal for
Adapter Installation.
2. Plug the unit into the receptacle connector inside
the base plate. Refer to Figure 7-16 Attaching the
Unit to the Multiline Terminal.
The APA-U Unit does not require an ACA-U Unit to
supply external power.
Figure 7-15 APA-U Unit