GAI-Tronics 265-001 Intrinsically-Safe Telephone Rack-Mount System - Manual (Page 2)

Pub. 42004-200B
Intrinsically Safe Rack-Mount Telephone System Page: 2 of 13
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-200b.doc
02/06
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.
N OTE : This rack is designed for M6 metric screws. Additional hardware will be required if this
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
harness assemblies to the 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.
N OTE : To select 220 V power, slide the switch on the top of the Model 266 Power Supply to the
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 one end of this 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.
N OTE : The Model 268 Patch Panel provides 24 connectors, but for this application a maximum of 14
will be used. Connector selection is limited only by the length of the line cord.