NEC Electra Elite 192, Hardware Manual

Page: 321 / 369

Electra Elite Issue 6
System Hardware Manual 7 - 39
3.11 VDD-U Unit (Voice/Data Unit for Digital Terminals)
This unit provides the station and LAN split for digital terminals.
This adapter can be installed on any Electra Elite Multiline Terminal
except DTP-2DT-1(WH) and DTP-16HC-1(BK). It is used when
LAN and telephone lines are incorporated into one cable.
3.11.1 Installing a VDD-U Unit on a Multiline Terminal
Refer to 3.5 CTA-U Unit (Computer Telephony
Application) . The instructions for installing these units are
the same.
3.11.2 Connecting Cables to the VDD-U Unit
1. If the Multiline Terminal is already connected to the
ESI(8)-U10 ETU, unplug the telephone cord.
2. Plug the cable from the VDH2(8)-U10 ETU and from
the PC LAN board into the modular jacks on the
VDD-U Unit. The jacks are labeled. Plug the cable
from the VDD-U Unit into the modular jack on the
Multiline Terminal.
Limit the cable length from the VDH to the PC via
the VDD to a maximum of 328 feet (100 meters).
When LAN cables are reversed on the VDD-U Unit,
the unit is not damaged, but the Multiline Terminal
does not operate.
Figure 7-48 VDD-U Unit