GAI-Tronics 265-001 User Manual
Pub. 42004-200B
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Intrinsi call y-Safe Rack-Mount
Telephone System
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. GAITronics retains all intellectual property and other rights in or to the information contained herein, and
such information may on ly be u sed in conn e ction with the operatio n of you r GAI-Tr onics p rodu c t 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 GAI-Tronics Intrinsically-Safe Series Telephones are designed to be installed in hazardous areas.
The r ack-mount co mpone nts li ste d belo w are placed in a non- haza rdous area up t o one mil e f rom t he
telephone. This limits the energy levels going to the hazardous area to conform to all of UL’s
intrinsically safe requirements. This publication contains installation, operation, and detailed
specifications for the I.S. telephone rack-mount system.
GAI-Tronics Intrinsically-Safe (I.S.) Series Rack-Mount Telephone System configurations include the
following components:
Model Description
265 Line Card
266 Power Supply
267 Subrack Assembly
268 Patch Panel
OTE: Please refer to the Ordering Information table on page 9 for information on ordering these
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components.
CAUTION
All det ails i n t his manual must
be followed to conform to UL req uirements for intrinsic safety.
GAI-Tronics Corporation P.O. Box 1060, Readi ng, PA 19607-1060 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Installation and Setup
1. Install each Model 267 Subrack into a standard 19-inch cabinet by inserting and tightening the two
screws into the holes on each side of the subrack.
OTE: This rack is designed for M6 metric screws. Addit ional hard ware wi ll be re quired if th is
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cabinet is to be used with 10-32 screws.
If installing multiple subrack assemblies, install one Model 268 Patch Panel between each pair of
subracks. See Figure 1 for details. The Model 268 Patch Panels are installed in the same manner as
the subrack assemblies. When installing the patch panels, install the two user-supplied 25-pair
har ness assemblies to th e rear of each patch panel.
2. Install the Model 265 Line Cards into the subrack assemblies by sliding them into the card guides.
Once fully inserted (so that the front surface of the card is flush with the subrack assembly), secure it
into place by tightening the four captive screws located on the bezel of the line card. Each subrack
assembly accommodates up to seven cards. When using less than seven cards in any one subrack
assembly, we recommend installing Part No. 14758-001 Blank Front Panel Bezels, which are
available from GAI-Tronics.
3. Install the Model 266 Power Supplies. Each subrack assembly requires one power supply.
OTE: To select 220 V power, slide the switch on the top of the Model 266 Power Supply to the
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220 V position before installation.
Fit the supply into the guide at the left end of the subrack assembly. Insert it fully so that the front
surface of the card is flush with the subrack assembly, and secure it into place by tightening the four
captive screws located on the bezel of the power supply. Access the rear of the subrack assembly,
and locate the grounding screw at the right end of the assembly. Tighten the screw into the power
supply by turning it clockwise.
4. Packed with each Model 265 Line Card is a modular telephone line cord with a connector on each
end. Connect o ne end of th is cord is to be connected to a line card, and the other end to a jack in a
patch panel. Refer to Figure 1 to clarify the general wiring configuration.
OTE: The Model 268 Patch Panel provides 24 connectors, but for this application a maximum of 14
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will be used. Connector selection is limited only by the length of the line cord.
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Figure 1. Typical Mechanical Configuration for Rack Mount System - Front View
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5. Wire the central office (CO) or PBX lines to a punch-down block (66) near the cabinet. Then wire
the appropriate conductors from the 25-pair patch panel harness assembly to the punch-down block.
Refer to Figure 2. Verify that the wired pairs are from the connectors used in the patch panel. This
can be verified by checking the color coding of the harness assembly wires.
6. We recommend creating a local “base station” to aid in adjusting the telephone ring pitch and to
verify the correct operation of each line card. The base station will aid in ring pitch adjustment by
allowing personnel at the cabinet to communicate to those in the field to adjust the ring pitch level.
The base sta t ion ca n a lso be connected to each diode barr ier t ermi na l st rip to check for th e corr ect
operation of that circuit. See Step 7 to assure the correct connection of the base station to a line card.
7. Install the I.S. Series Telephones and wire them back to the central cabinet. The wires will terminate
at the back of the Model 267 Subrack on terminal strips provided on the diode barriers (one terminal
strip per telephone). Follow the wiring instructions in Pub. 42004-380.
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OTE: The wiring on this drawing must be followed to maintain intrinsic safety.
8. Plug a user-supplied power cord with a type IEC 320 connector into the socket located on the rear
right side of the subrack assembly. Be sure to select the appropriate cord for the voltage selected on
the power supply (110 V or 220 V). Connect the power cord to a power source.
9. Use the base station to assist in adjusting the ring pitch of each telephone. Several calls must be
placed from the base station to the remote telephone to complete each adjustment. When all the
telephones are properly adjusted, remove the base station, and install it at the desired location.
10. Perform any necessary troubleshooting. See the Troubleshooting section on page 6.
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Figure 2. Typical Mechanical Configuration for Rack Mount System - Rear View
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