NEC AMERICA, INC.

BUSINESS SYSTEMS DIVISION

ET1 NUMBER: MK-007

DATE: MARCH, 1988

MELCO S-l 1 AND TONE COMMANDER VA-20

HANDSET AMPLIFIER CONNECTION PROCEDURE

1.DESCRIPTION

This Engineering Technical Information (ET11 Bulletin describes the steps necessary to install an ADA-E

(Ancillary Device Adaptor) unit into an ETE-GD-1, ETE-16D-1, ETE-16K-1, or ETE-6-1 Multiline

Terminal, to provide for connection and operation of a MELCO Model S-11 or a Tone Commander Model TA-20 handset amplifier.

2.PARTS REQUIRED

2.1ADA-E Unit Adaptor kit (Stock # 700340)

2.2Melco S-11 or Tone Commander TA-20 Handset Amplifier, locally provided. (Both amplifiers are

available with spade lug or modular ended wire harness. Use the spade lug ended type only.)

2.3Appropriate Electra Mark11 Multiline Terminal

3.PROCEDURE

3.1Disconnect the modular line cord from under the terminal and from the RJ-13C/W jack.

3.2Disconnect the modular handset cord from the lower housing.

3.3Turn the Multiline Terminal upside down (face down) and place it on a flat clean surface (refer to Figure 1).

3.4Slide the directory out of the way t?iot required for ETE-6-1 Multiline Terminal),

3.5To remove the access panel, perform only the step that applies, either 3.5.1 or 3.5.2 (Refer to Figure 11.

3.5.1ETE-GD-1, ETE-16D-1, or ETE-16K-1 Multiline Terminal; Insert a flat screwdriver blade into

notched opening (shown as Al and apply light upward pressure until the access panel clears the

front lip, at the same time apply pressure itoward you) at the rear of the pedestal (shown as B) until the access panel moves toward you. Remove panel.

3.5.2ETE-6-1 Multiline Terminal; Depress the flexible notched tab (shown as C) on the access panel

and apply upward pressure. Remove panel.

NOTE:

Do not discard removed access panel; save for possible future use

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NEC nd-20292 manual Handset Amplifier Connection Procedure