GAI-Tronics 12512-001 User Manual
Pub. 42003-023E
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Hookswitch Assembly
Replacement Kit
Model 12512-001
Confidential ity 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 12512-001 Hookswitch Assembly Replacement Kit is designed for use on the following
telephones:
24x Series 272-001
25x Series 341-001
262-001 351-001
Qty Description
1 Cradle/Hookswitch Assembly
2 Screws
1 Cable tie
1 Gasket
Models 246-001, 24 7-001, 256-001, 257-001, 34 1-001
& 351-001
Removal of Old Assembly
1. Remove the front cover screws and pull front cover away from back box/enclosure. Retain the
screws.
2. Disconnect the red (Ring) and green (Tip) wires from TB1. See Figure 2.
3. Disconnect the blue and white reed switch wires from the PCBA at E1 and E2.
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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ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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ODEL 12512-001 HOOKSWITCH ASSEMBLY REPLACEMENT KIT Page 2 of 8
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4. Cut the cable tie used to bundle wires together.
5. Remove the two screws that secure the handset cradle to the front cover. See Figure 1.
6. Pull the handset cradle with the reed switch attached away from the front panel.
7. Remove the handset cradle gasket from the front panel (if necessary).
Installing New Assembly
8. Cut the black wire lead close to the switch body and discard.
9. Thread the blue and white reed switch leads through the center top hole. See Figure 1.
10. Secure the plastic cradle on the front cover using the two #8 thread-cutting screws. See Figure 1.
11. Plug spades on the blue and white wires into E1 and E2 on the PCBA. See Figure 2.
12. Bundle the wires as before with the cable tie included in the kit.
13. Reconnect the red and green wires to TB1. See Figure 2.
14. Replace the front panel and secure using the screws retained from step 1.
15. Test the on-hook/off-hook function to ensure installation has been successful.
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Figure 1.
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ODEL 12512-001 HOOKSWITCH ASSEMBLY REPLACEMENT KIT Page 3 of 8
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Figure 2. Industrial Telephone PCBA
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