NECAmerica Inc. Switchinq Terminals Division

NORTHERN TELECOM COMPANION II SPEAKERPHONE CONNECTION TO Dterm SERIES II and ELECTRA MARK
Engineering Technical Information
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

2.1 ADA-E Unit (Stock # 700340).
2.2 Northern Telecom Companion II Speakerphone.
2.3 Hardware (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.
2.4 Two 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
3.1 Northern Telecom Companion II Installation Manual.
3.2 Dterm Series II Multiline Terminal User’s Guide or, Electra Mark II Multiline Terminal User’s Guide.
4. OPERATION
4.1 Initiating Calls
4.1.1. Go off-hook with the Multiline Terminal handset (Companion II Speakerphone turned off),
OR
4.1.2 Depress the “ON” key of the Companion II Speakerphone (Multiline Terminal handset on-

hook).

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