Install Telecommunications Cabling
Patch Cord/Jumper Installation and Administration
SI Installation and Upgrades
443
June 2004
Install Sneak Fuse Panels
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(For general information, see
Sneak Fuse Panels
on page 411.)
The
Figure 164, Model 507B Sneak Fuse Panel,
on page 443, 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
on page 444 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.
Figure 164: 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.
Sneak
Current
Protector
507B
sneak CJL 032096
