Juniper EX8208 Hardware Manual page 249

this topic uses "rack" to mean "rack or cabinet.") To mount an EX8208 switch in a two-post rack, you must
install the power cord tray in the rack before installing the switch.
NOTE: The EX8216 switch can be installed only in a four-post rack. Installation in a two-post
rack is not supported.
The power cord tray provides support for the front of the EX8208 chassis during installation of the switch
in a two-post rack. The front edge of the chassis rests on the upper edge (lip) of the power cord tray.
The power cord tray provides a place to organize and tie down the power cords for the power supplies.
The power cord tray uses 1 U of rack space, so the total space occupied by an EX8208 switch chassis and
power cord tray is 15 U, and the total space occupied by an EX8216 switch chassis and power cord tray
is 22 U.
Ensure that you have the following tools and parts available to install the power cord tray:
A Phillips (+) screwdriver, number 1, 2, or 3, depending on the size of your rack mounting screws
4 mounting screws appropriate for your rack to attach the power cord tray to the rack
To install the power cord tray (see
1. Remove the power cord tray from the accessory box.
2. Decide where to position the switch in the rack. If the rack is empty, choose the lowest possible location.
See "Rack Requirements" on page
NOTE: To mount an EX8208 switch on a two-post rack, you must install the power cord tray
in the rack before installing the switch. See
switch in a two-post rack is not supported.
3. Position the power cord tray in the rack space immediately below the position in which you want to
install the switch (in a two-post rack) or where the switch is installed (in a four-post rack) (see
Figure 40 on page 153). Line up the screw holes of the power cord tray with the holes in the rack. Use
4 mounting screws appropriate for your rack to attach the power cord tray to the rack.
Figure 40 on page 153 and
118, and "Cabinet Requirements" on page
Figure 41 on page
Figure 41 on page 153):
119.
153. Installation of an EX8216
249