NEC nd-20292 manual Northern Telecom Companion Speakerphone Connection, Reference

NECAmerica Inc. Switchinq Terminals Division Engineering Technical Information

NORTHERN TELECOM COMPANION II

SPEAKERPHONE CONNECTION

TO Dterm SERIES II and ELECTRA MARK

ETI NUMBER: DT-005 DATE: JUNE 1989

1.DESCRIPTION

This Engineering Technical Information (ETI) Bulletin describes the steps necessary to install an ADA-E (Ancillary Device Adaptor) into an ETE-6D-0, ETE-160-0, ETE-16-0, ETE-6-0, or ETE-16K-I Multiline Terminal,

for the connection and operation of a Northern Telecom’Companion II Speakerphone.

2:PARTS REQUIRED

2.1ADA-E Unit (Stock # 700340).

2.2Northern Telecom Companion II Speakerphone.

2.3Hardware (solder, spade lugs, etc.) to connect the external power supply wires to the power wires of the Companion II Speakerphone (see Note and Figure 2. for details).

NOTE 1

It is the customer’s choice to choose the means of connecting (solder, spade lugs, etc.) the power wires (WHITE/BROWN and BROWN/WHITE) of the Northern Telecom Companion II Speakerphone to the power supply wires. The connections should be insulated with heat shrink tubing or electrical tape.

2.4Two Conductor wire, long enough to reach from the ADA-E unit to AC outlet. (The maximum

allowable length of 24 AWG cable for connecting the power supply to the Companion II Speakerphone is 250 feet.)

3.REFERENCE

3.1Northern Telecom Companion II Installation Manual.

3.2Dterm Series II Multiline Terminal User’s Guide or, Electra Mark II Multiline Terminal User’s Guide.

4.OPERATION

4.1Initiating Calls

4.1.1.Go off-hook with the Multiline Terminal handset (Companion II Speakerphone turned off),

OR

4.1.2Depress the “ON” key of the Companion II Speakerphone (Multiline Terminal handset on- hook).

1 OF7