Cisco Systems Boat Cisco Systems Boat User Manual

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Cisco Catalyst 4900M Switch Installation Guide
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Chapte r 3 Installing the Switch
Connecting DC-Input Power to the Catalyst 4900M Switch
Step 3 Remove the terminal block cover by simultaneously squeezing the top and bottom sides of the cover, and
at the same time, use a fingernail to carefully pry up on the top and bottom clips on the terminal block
cover to release the cover from the terminal block. Pull the cover off of the terminal block and set the
cover aside. (See Figure 3-6.)
Figure 3-6 Removing the Terminal Block Cover
Step 4 Using a 5/16-inch nutdriver, loosen and remove the four nut and lockwasher pairs on the terminal block
posts. Set the nuts and lockwashers aside.
Step 5 Using an M4 nutdriver, loosen and remove the nut and lockwasher from the power supply ground
terminal.
Step 6 Attach appropriate type and sized lugs to the source DC cables.
Note The lugs are not supplied as part of the chassis accessory kit; you need to purchase them
separately. See Figure 3-7 for the physical d imensions of a s uitably-sized DC p ower cable lug.
The lugs must have:
• Two holes with 0.62 ±0.02-inch spacing between the hole centers to accommodate the power supply
terminal posts.
• A 90-degree bend in the barrel to allow the source DC cables to exit the terminal block.
• Suitable DC power cable lugs include:
–
For 4 AWG-sized cable—Panduit LCD4-14AF-L or Burndy YA4C-2L-90
–
For 6 AWG-sized cable—Panduit LCD6-14AF-L
1 Terminal block cover 3 Terminal block cover clip
2 Terminal block
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