user manual

NEC AMERICA, INC.
BUSINESS SYSTEMS DIVISION
NFORMATION
ET1 NUMBER: MK-010
DATE: MAY, 1988
INSTALLATION AND OPERATION OF THE CONFER3 SIX
PARTY
DIGITAL VOICE CONFERENCING BRIDGE UNIT
1.
2.
3.
4.
_
3.
DESCRIPTION
This Engineering Technical Information (ET11 Bulletin describes the steps necessary to connect
a
CONFER3 6-party digital voice conferencing unit, to an Electra Mark11 system. The CONFER9 unit is
a
conference bridge that provides conference capability for up to six parties from an internal extension or five
parties from a remote location. After establishing a conference, the CONFER@ unit provides automatic
voice level control to all members of the conference. Figure 1 shows a typical installation.
LIMITATIONS
2.1 -Maximum of five outside (CO) lines can confer on a remotely established conference.
2.2 Maximum of six parties (five external and one internal) can confer on an internally established
conference.
2.3 Only 2-wire loop start DTMF lines can be used.
PARTS REQUIRED
3.1 Sixty six block (or space for connecting 5 CO lines on existing block).
3.2 CONFEIi’J Unit which includes:
l Telephone cable (multi pair) with 36-pin connector on one end
l Cable support bracket and screws
l Cable tie
3.3 Small flat tipped screwdriver
3.4 Digital voltmeter.
REFERENCES
CONFER0 Installation hlanual and Users Manual
SITE REQUIREMENTS
5.1 A vertical surface, preferably the Electra Mark11 MDF, near an available 120 VAC circuit.
5.2 Ambient room temperature range:
40”F- 120°F (5”C-50°C).
5.3 Relative humidity: 25% - 85% (non-condensing).