Enterasys Matrix X Router Installation Manual page 31

Figure 1-5 Removing Blank Coverplate from Power Supply Slot
1 Power supply slot 2
10. Connect the chassis to earth ground utilizing the earth ground connection on the back
of the unit.
a. Cut an 8 AWG (6
the grounding location of the chassis to the building earth ground.
b. Install a listed 2‐hole, compression‐type connector on both ends of the grounding
wire.
c. Apply a suitable antioxidant to the chassis grounding location and the unpainted
surface building earth ground.
d. Connect the 2‐hole connector at one end of the ground cable to the chassis using
two of the 1/4‐20 screws shipped with the chassis. Connect the 2‐hole connector at
the other end of the cable to the building earth ground using user‐supplied
screws.
e. Torque the screws to 67 in‐lb. (± 5%).
11. Remove the clear plastic shield over the terminal studs.
12. Attach your cables to the terminal studs, making sure that the negative cable is
attached to the negative (‐) studs and the positive cable is attached to the positive (+)
studs.
For your convenience, Enterasys Networks has provided two 2‐hole compression lugs
and four nuts and lock washers of the correct size to fit over the terminal studs. If you
are using the compression lugs provided, crimp your cabling to the lugs, then:
a. Place the appropriate 2‐hole compression lug over the corresponding terminal
studs (positive and negative).
2 Power supply coverplate
2
mm) stranded copper wire to a length suitable for connecting
Matrix X Router DC Power Supply Installation Guide 1-13
Installing the DC Power Supply
3 Captive screw