DEFINITY Made Easy Tools
Issue 3, December 2001

Install Telecommunications Cabling

Install Sneak Fuse Panels

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(For general information, see Sneak Fuse Panels.)

The Model 507B Sneak Fuse Panel, or equivalent, is recommended for sneak current protection. The panel contains two 25-pair connectors, fuse removal tool, and fifty 220029 sneak fuses (and two spares). See Sneak Fuse Connector Pinout for pinout data.

1. Locate the 507B near the network interface or the Main Distribution Frame (MDF).


2. Hold the panel against the mounting surface and mark the mounting screw locations. Drill pilot holes at the marked locations and partially install a locally obtained #12 x 3/4-inch screw into the two bottom mounting slots.


3. Slide the sneak fuse panel onto the mounting screws and tighten the screws securely.


4. Install a locally obtained #12 x 3/4-inch screw into the top two mounting slots and tighten securely.


5. Repeat the procedure for each sneak fuse panel.


6. Secure the B25A cable to the panel with the captive screw on the connector and a supplied cable tie.

Model 507B Sneak Fuse Panel

Figure Notes

1. Sneak Fuse Panel


2. 25-Pair Male Connector (In)


3. 25-Pair Female Connector (Out)


4. 220029 Fuses (Inside Panel). Use small screwdriver to pry top cover off.

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