Инструкция для EXTRON ELECTRONICS PoleVault Digital Switcher Systems PVS 405D

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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)

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