Juniper EX4650 User Manual

To install a power supply (see Figure 1 and Figure 2):
Figure 1: Installing an AC Power Supply in the EX4650 Switch
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Figure 2: Installing a DC Power Supply in the EX4650 Switch
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1. If the power supply slot has a cover panel on it, loosen the captive screws on the cover panel by using your fingers or
the screwdriver. Hold the screws and gently pull the cover panel outward to remove the cover panel. Save the cover
panel for later use.
2. Without touching the power supply pins, leads, or solder connections, remove the power supply from the bag.
3. Using both hands, place the power supply in the power supply slot on the rear panel of the switch and slide it in until
it is fully seated and the ejector lever fits into place.
Part 2: Install a Fan Module
NOTE: The fan module slots are on the rear panel of the switches.
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Juniper EX4650 Specifications

General

Cooling	Front-to-back or back-to-front airflow
Rack Units	1U
Product Series	EX Series
MAC Address Table Size	288, 000 entries
Operating Temperature	0°C to 40°C (32°F to 104°F)
Operating System	Junos OS
Power Supply	Dual redundant, hot-swappable AC or DC
Jumbo Frames	9216 bytes
Input Voltage	100-240V AC, -40 to -72V DC
Fans	Hot-swappable fans
Ports	48 x 10GbE/25GbE SFP+, 8 x 40GbE/100GbE QSFP28