Juniper MX10004 - Page 142

a. Remove the top right mounng screw next to the Roung and Control Board (RCB) with the
Phillips screwdriver. The mounng screws aach the chassis anges to the four-post rack.
b. Line up the top hole of the RCB cable seal over the mounng hole in the ange and align the
second hole over the ESD grounding point. Fasten the seal and ange to the rack using the
Phillips screwdriver to ghten the mounng screw.
c. Loosen the mounng screws next to the line card along one side of the chassis.
d. Posion the keyhole slots of one of the long cable seals over the mounng screws. The long cable
seals are not interchangeable; there is a right seal and a le seal. Install the seals so that the
keyhole slots are on the inside, next to the line card. See Figure 49 on page 132.
Figure 49: Install the Cable Seals
e. Slide the keyhole slot down behind the mounng screws and align the cable seal with the chassis.
Tighten the mounng screw with a Phillips screwdriver.
f. Repeat Step 2.c through Step 2.e for the remaining cable seal.
3. Install opcs and aach the front door.
a. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the
other end of the strap to the ESD point on the front of the chassis. See Figure 45 on page 129.
b. Insert all opcs and thread the cables through the cable seals.
c. Li the front door, and align the capve screws in the door with holes in the chassis ange below
the cable seals. Fasten the door to the chassis and rack, and hand ghten.
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