Mounting the MGX 8850 Modules
Step 4
Figure 4-9
Step 5
Step 6
Step 7
Figure 4-10
Step 8
If you install the cable manager, proceed to the next section, titled "Installing the Cable Manager,"
before you do the tasks in the section titled "Installing the Fan Power Cabling."
Installing the Cable Manager
The cable management system consists of two identical cable managers, left and right-side mounting
brackets, and screws. First, attach the mounting brackets according to the steps that follow.
Step 1
Step 2
Next, use the provided screws to install the cable managers. As Figure 4-11 shows, the orientation
of the cable managers must be such that the cable channels on the top cable manager are on top, and
the cable channels on the bottom cable manager are on the bottom.
Note
cable channels for the copper cabling, but run the fiber optic cables over the sheet metal portion.
4-8
Cisco MGX 8850 Installation and Configuration, Release 1.1.10, Part Number 78-6186-03
Install the air intake module (3 RUs). (See Figure 4-9.)
Air Intake Module
Install the optional booster fan tray if present, otherwise install the spacer unit (1 RU). See
Figure 4-10. If you install a fan tray, note the label that says "This Side Up."
Install the card cage (10 RUs). When you move the card cage into position, be sure the
base of the card cage at the back fully clears the top-rear edge of the spacer unit or fan
tray beneath it.
Install the mandatory fan tray (1 RU). (See Figure 4-10.) Note the label that says "This
Side Up." When you move it into position, be sure the base of the fan tray at the back fully
clears the top-rear edge of the card cage beneath it.
Fan Tray
Install the exhaust plenum (2 RUs).
Holding the bracket with one hand, position it so the lower flange fits inside the card cage
wall. Make sure the screw hole on the bracket aligns with the screw hole on the card cage.
Drive in the screw.
Fiber optic cabling and copper cabling take different paths on the cable manager. Use the