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GAI-Tronics 1931888-3011 Installation And Wiring

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Pub. 42004-245A
G A I - T R O N I C S C O R P O R A T I O N
Model 1931888-3011
Page/Party
to Radio Coupler
®
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information which 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.
Introduction
The Model 1931888-3011 Coupler, when connected to a GAI-Tronics Two Channel Radio, allows a
®
GAI-Tronics Page/Party
or Call/Talk system to communicate with other Two Channel Radio hand-held
or mobile units. Radio users traveling outside the facility at a remote location or inside a plant, can
®
communicate with Page/Party
or Call/Talk users. Please see Figure 1 for installation layouts.
Figure 1. Installation Layout
Installation and Wiring
Punch or drill a hole in the left side or left bottom of the coupler and install a conduit fitting. This entry
®
is for system cable from the Page/Party
or Call/Talk system to the coupler. Sealed threaded hubs, such
as Myers Scru-Tite (1.25-inch) are recommended.
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 n 800-492-1212 n Fax: 610-775-6540

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Summary of Contents for GAI-Tronics 1931888-3011

  • Page 1 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.
  • Page 2 Radio Coupler Pub. 42004-245A Since the Model 1931888-3011 coupler must be connected to a Two Channel Radio, mount the coupler and radio in a place where the antenna for the radio may be appropriately positioned. See the Two Channel Radio manual, GAI-Tronics publication 42004-252 for antenna placement information.
  • Page 3 3 of 10 Page: ® Model 1931888-3011 Page/Party to Radio Coupler Pub. 42004-245A ® Figure 3. Wiring/Termination Details for Page/Party f:\standard ioms - current release\instr. manuals (42004)\42004-245a.doc 01/98...
  • Page 4 4 of 10 Page: ® Model 1931888-3011 Page/Party to Radio Coupler Pub. 42004-245A Figure 4. Wiring/Terminations for Call/Talk f:\standard ioms - current release\instr. manuals (42004)\42004-245a.doc 01/98...

  • Page 5: Operation

    Radio Coupler Pub. 42004-245A Modification of Two Channel Radio Unit for use with Coupler In order to be used with the Model 1931888-3011 coupler, the Two Channel Radio must be modified by relocating jumper, from the factory setting. is located on the main motherboard WBA4448SYNxx inside the radio unit.
  • Page 6 Page/Party station’s output transformer to load the line (loop current on the line begins) at the Model 1931888-3011 Coupler’s TB-7 and 8 and is detected by the sensing PCBA within the coupler. For ® a continued explanation of the subsequent events, refer to the Call Originated by Page/Party or Call/Talk User to Radio section.

  • Page 7: Maintenance

    SQUELCH Maintenance Control Functions: The Model 1931888-3011 Coupler contains four adjustment controls which have been pre-adjusted at the factory. Minor adjustments may be necessary for optimum system performance. Refer to Figure 5. Control Description: •...
  • Page 8 8 of 10 Page: ® Model 1931888-3011 Page/Party to Radio Coupler Pub. 42004-245A Figure 5. Part Location Diagram Typical audio signal levels within coupler from Page/Party® station to coupler: With approximately 1.5 Vrms on Page/Party® system party line (TB-7 and 8); with an associated Page/Party®...

  • Page 9: Troubleshooting

    9 of 10 Page: ® Model 1931888-3011 Page/Party to Radio Coupler Pub. 42004-245A Troubleshooting Symptom/Possible Solutions Symptom: Visual LED Cure: Indication: The radio operator can not XFR relay LED is 1. Check for possible off-hook Page/Party® make a page to the illuminated.

  • Page 10: Specifications

    10 of 10 Page: ® Model 1931888-3011 Page/Party to Radio Coupler Pub. 42004-245A Specifications Construction/Finish: ........16-gauge steel, oil resistant gasket, ANSI #61 gray polyester coating, NEMA-12 rated Mounting: ....... Four 5/16-inch (7.9mm) mounting holes, center to center measurements of 14.75 x 10 inches L x H (374.65 x 254 mm)