GAI-Tronics 12521-003 Microphone Assembly Replacement Kit for 297 & 298 Series Phones - Manual

Pub. 42003-227A
GAI-Tronics Corporation 400 E. Wyomissing Ave., Mohnton, PA 19540 USA
610-777-1374 „ 800-492-1212 „ Fax: 610-796-5954
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G A I - T R O N I C S ® C O R P O R A T I O N
A H U B B E L L C O M P A N Y
Microphone Assembly Replacement Kit
for 297 & 298 Series Telephones
Model 12521-003
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information that is confidential and proprietary to GAI-Tronics.
GAI-Tronics retains all intellectual property and other rights in or to the information contained herein,
and such information may only be used in connection with the operation of your GAI-Tronics product or
system. This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any
third party.
General Information
The Model 12521-002 Microphone Assembly Replacement Kit is used in all 293 and 294 Series Phones.
This kit includes the following components:
Qty Description Item Number
1 Grille 1
1 Microphone Mounting Block 2
1 Microphone Assembly 3
1 Microphone Gasket 4
1 Microphone Mounting Bracket 5
2 KEPS Nuts 6
1 Tie Wrap
Installation
Removing the Old Microphone Assembly
1. Use a Model 233-001 Tamper-Resistant Screwdriver to loosen and remove the six front panel tamper-
resistant screws. Note that field wiring will restrict complete removal of the front panel. Note all
field wiring terminations to unit and disconnect field wiring to allow front panel to be placed on a
working surface.
2. Carefully cut the tie wrap that secures the speaker, hookswitch, and microphone wires together.
3. Unplug the microphone connector from J4 on the printed circuit board assembly (PCBA).