3. Grasp the extended DC cable manager, lift up and pull straight out from the DC PDM on the rear of
the chassis.
4. Place the extended DC cable manager into an electrostatic bag and set it aside.
Figure 277: Removing the Extended DC Cable Manager
Installing the MX2020 Upper Extended Cable Manager
The upper extended cable manager should be used with the extended craft interface to allow for additional
clearance.
To install the upper extended cable manager (see Figure 278 on page 627):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
2. If necessary, remove the extended craft interface as described in “Removing an MX2020 Extended
Craft Interface” on page 584.
3. Position the upper extended cable manager on the studs below the location of the craft interface.
4. Attach the upper extended cable manager using eight screws as shown in Figure 278 on page 627.
5. Replace the cable manager cover, and secure it with the two captive screws.
6. Install the extended craft interface as described in “Installing an MX2020 Extended Craft Interface” on
page 585.
626