Hardware manual

Electra Elite Issue 8
System Hardware Manual 7 - 21
3.5 CTA-U Unit (Computer Telephony Application)
Computer Telephony Application allows a DTP or DTU Multiline
Terminal connection to a PC. The PC can perform all Multiline
Terminal functions using a TAPI-compatible application software.
The CTA-U Unit is attached to the bottom of any DTP/DTU Multiline
Terminal except DTP-2DT-1 and DTP-16HC-1.
Figure 7-25 Attaching an Electra Elite Multiline Terminal to a PC
Figure 7-26 CTA-U Unit
ACA-U Unit (AC
Adapter)