Extron Electronics PoleVault Digital Switcher Systems PVS 405D - Manual (Page 62)

c. Attach the metal conduit to the outer cover.
NOTES:
• Remove only the knockouts that are to
be used for cabling. Leave intact the
unused knockouts.
• The three knockout sizes are Œ inch to
–
inch, – to 1 inch, and 1 to 1… inch.
d. Run the wires through the conduit and connect
to the AC receptacles.
e. Reassemble the power module.
f. Reattach the module to the enclosure.
NOTE: The power module outlets must be used
to power installed AV devices only.
D5. Run Signal and Control Cables to the
PVM 220.
Run the signal and control cables either into cable
clamps or through conduit attached to the PVM 220
enclosure (see figure at right).
To install a cable clamp on the enclosure:
a. Select a suitable sized cable clamp for the
quantity and thickness of cable to be fed into
the enclosure. See the note in step D4 for
knockout sizes.
b. Identify the most suitable cable entry point and
remove one or more knockouts as needed.
NOTE: Remove only the knockouts that are to
be used for cabling. Leave intact the unused
knockouts.
c. Remove the large nut from the back of the
cable clamp and insert the clamp into the
enclosure knockout from the inside.
d. Place the nut on the clamp and tighten to
secure.
e. Pass the cables through the clamp into the
enclosure. Leave enough cable slack at the
PVM 220 to ensure cable connection
to any device is maintained when the access
door is open.
f. Tighten down the cable grip until the cables are
held firmly.
Avoid damaging or bending cables at too sharp
an angle.
C. Push the cable clamp into the
knockout from inside the enclosure.
D. Attach the nut from the outside
of the enclosure.
Run signal the cable into the PVM 220 through
the knockouts.
PoleVault Digital Systems • Installation — Stage 4 (PVM 220 and PVS 405D) 56