NEC AMERICA, INC.

BUSINESS SYSTEMS DIVISION

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ET1 NUMBER: MK-007
DATE: MARCH, 1988
MELCO S-l 1 AND TONE

COMMANDER

VA-20 HANDSET AMPLIFIER CONNECTION PROCEDURE
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.
PARTS REQUIRED
2.1 ADA-E Unit Adaptor kit (Stock # 700340)
2.2 Melco S-11 or Tone Commander TA-20 Handset Amplifier, locally provided. (Both amplifiers
available with spade lug or modular ended wire harness. Use the spade lug ended type
only.)
2.3 Appropriate Electra Mark11 Multiline Terminal
PROCEDURE
are
3.1 Disconnect the modular line cord from under the terminal and from the RJ-13C/W jack.
3.2 Disconnect the modular handset cord from the lower housing.
3.3 Turn the Multiline Terminal upside down (face down) and place it on a flat clean surface (refer to
Figure 1).
3.4 Slide the directory out of the way t?iot required for ETE-6-1 Multiline Terminal),
3.5 To remove the access panel, perform only the step that applies, either 3.5.1 or 3.5.2 (Refer to Figure 11.
3.5.1 ETE-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.
3.5.2 ETE-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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