Black Box SP250A User Manual page 12

Category 5 primary and secondary surge protectors
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4. Attach the Surge Protector's braided ground strap directly to the
chassis-ground connection point you have located (see Figure 3-3 on
the previous page). The best way to make this connection is to attach
the braided metal strap using a hex nut or screw on your device.
Surge energy may run both directions on the ground strap. To provide
the best protection, it is essential that the ground strap on the Surge
Protector be connected to the chassis ground of the protected device. Do
not lengthen the Surge Protector's ground strap or connect it to a ground
other than chassis ground unless instructed to do so by your supplier's
technical support.
3.2.2 C
ONNECTING THE
1. Disconnect the twisted-pair line you want to protect from the wall jack.
2. Install the Primary Surge Protector between the line and the jack. You
will have to run a straight-through-pinned Category 5 patch cable with
modular RJ-45 connectors from the PSP to the jack; we suggest that
you use the cable supplied with the PSP. It doesn't matter which end of
the PSP is attached to the twisted-pair line and which end is attached to
the patch cable.
3. Find a common or on-equipment electrical ground close to the jack. We
recommend that you use one of the building's electrical-safety grounds,
such as an electrical panel or subpanel, but you can use a device's chassis
ground if the chassis ground is connected to the building's electrical
ground. If there are no grounds connected to the building's electrical-
safety grounds within nine inches (23 cm) of the jack, contact your
supplier's technical support to discuss an alternative grounding solution.
4. Connect the braided ground strap directly to the safety ground you
have located. The best way to make this connection is to attach the
braided metal strap to the metal panel using a hex nut or screw.
Surge energy may run both directions on the ground strap. To provide
the best protection, it is essential that the ground strap on the Surge
Protector be connected to electrical safety ground. Do not lengthen the
Surge Protector's ground strap or connect it to a ground not tied to safety
ground unless instructed to do so by your supplier's technical support.
CAUTION!
PSP
B
AT A
ARRIER
CAUTION!
CHAPTER 3: Installation
(W
, B
ALL
UILDING
E
, E
.)
NTRANCE
TC
13

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