GAI-Tronics 12555-001 User Manual

Pub. 42003-159

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

FSK Mode m Repl acement PCBA

Model 12555-001

Confidentiality Notice

This manua l is provide d sole ly as an operatio nal, installation, and ma inte nance guide and conta ins
sensitive business and t e chnical informatio n tha t is confidentia l and pr opri et ary 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 manu al may not be dis clos e d in any form, in whole or in pa rt, direct ly or i ndir ectly, to a ny
third pa r ty.

General Information

The 1255-001 FSK Modem Kit contains one 69277-102 PCBA for use in GAI-Tronics SmartHandset™
Sta tions and S ma rtAmplifier™ Stations.

Instructions

WARNING

Removal of Old PCBA

NOTE: When disassembling unit be sure to save all hardware, as it will be needed with unit is
reassembled.

1. Loosen four screws at corners of front panel and pull plug-in amp from enclosure. All maintenance

work f rom this p oint s hould be performed a t a work bench with the operator prop erly grounded t o
avoid static dis charge.

2. Loosen four chassis screws (Phillips) on the top and bottom of the unit.

3. Carefully slide the chassis to the left and separate from the front panel. CAUTION – the Power

Supply harness inside is short; do not pull apart abruptly.

4. Remove power supply wire harness from J6 of 69241 PCBA by depressing tab on locking connector.

5. Remove aux/subset connector at J2 from 69228 PCBA (for 701-804 only).

6. Disconnect spade terminals at E1, E2,…E7. Needle nose pliers may be required.

Remove power to station prior to servicing.

GAI-Tronics Corporation P.O. Box 1060, Readi ng, PA 19607-1060 USA

610-777-1374  800-492-1212  Fax: [phone]

ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS

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Pub. 42003-159

12555-001

REPLACEMENT PCBA KIT Page: 2 of 2

7. Remove four screws that secure the 69228 PCBA. Disconnect the assembly by grabbing the PCBA

at the sides near the J1 connector. Unplug from the PCBA below and set aside.

8. Remove the four ¼-inch hex standoffs from the corners of the 69227 PCBA.

9. Unplug the 69227 PCBA from the baseboard by grabbing at the sides near the J1 connector.

Installatio n of New PC BA

1. Plug new 69227 into 69241 baseboard at J1 connector.

2. Secure 69227 PCBA with existing standoffs.

3. Plug 69228 handset PCBA back into J1 of the 69227 PCBA and secure with existing screws.

4. Reconnect spade lugs. See Figure 1.

5. Reattach aux/subset connector at J2 of 69228 PCBA.

6. Reconnect 12 conductor wire harness from 69241 baseboard to 69242 Power Supply on front panel at

J1.

7. Reattach chassis and front panel, secure top and bottom chassis screws.

8. Plug amp into enclosure and tighten four front panel screws.

9. Re-apply power to the station.

Figure 1.

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