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Install Equipment Room Hardware
Issue 10 June 2005 65
Figure 22: Model 507B Sneak Fuse Panel
Approximately 8 inches (20 cm) of horizontal wall space is required for each column of sneak
fuse panels. Connector cables connect the network interface to the sneak fuse panel. Also, use
157B connecting blocks equipped with SCP-110 protectors for sneak current protection.
Note:
Note: Sneak current protectors with a rating of 350 mA at 600 V must be UL listed for
United States installations and CSA certified for Canadian installations. The
panel contains two 25-pair connectors, fuse removal tool, and fifty 220029 Sneak
Fuses (and 2 spares). Use the SCP-110 protectors with 110-type hardware and
on the 507B Sneak Fuse Panel. The SCP-110 Protectors can be ordered
separately and installed on the 157B connecting block. Fifty protectors are
required per block.
To install sneak fuse panels:
1. Install the 507B near the network interface or MDF with locally-obtained #12 x 3/4-inch
screws (or equivalent).
Figure notes:
1. Sneak current protector (PEC 63210)
2. 25-pair male connector (In)
3. 25-pair female connector (Out)
4. 220029 fuses (inside panel). Use a small
screwdriver to pry top cover off
Sneak
Current
Protector
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