Ex4200 Network Cable And Transceiver Planning - Juniper EX4200 Hardware Manual

Figure 22: Airflow Through the EX4200 Switch Chassis
Allow at least 6 in. (15.2 cm) of clearance on the side between devices that have fans or blowers installed.
Allow 2.8 in. (7 cm) between the side of the chassis and any non-heat-producing surface such as a wall.
If you are mounting the switch on a rack or cabinet with other equipment, or if you are placing it on the
desktop or floor near other equipment, ensure that the exhaust from other equipment does not blow
into the intake vents of the chassis.
Leave at least 24 in. (61 cm) both in front of and behind the switch. For service personnel to remove
and install hardware components, you must leave adequate space at the front and back of the switch.
NEBS GR-63 recommends at least 30 in. (76.2 cm) in front of the rack or cabinet and 24 in. (61 cm)
behind the rack or cabinet.

EX4200 Network Cable and Transceiver Planning

IN THIS SECTION
Pluggable Transceivers Supported on EX4200 Switches | 71
SFP+ Direct Attach Copper Cables for EX Series Switches | 72
Understanding EX Series Switches Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 74
70