Juniper EX4650 Series User Manual

Table 23: Site Preparation Checklist (continued)
DatePerformed byFor More InformationItem or Task
Acquire cables and connectors:
•
Determine the number of cables needed
based on your planned configuration.
•
Review the maximum distance allowed
for each cable. Choose the length of the
cable based on the distance between the
hardware components being connected.
Plan the cable routing and management.
EX4650 Site Guidelines and Requirements
IN THIS SECTION
Environmental Requirements and Specifications for EX4650 Switches | 58
General Site Guidelines | 60
Site Electrical Wiring Guidelines | 60
Rack Requirements for EX4650 Switches | 61
Cabinet Requirements for EX4650 Switches | 62
Clearance Requirements for Airflow and Hardware Maintenance for EX4650 Switches | 63
Environmental Requirements and Specifications for EX4650 Switches
The switch must be installed in a rack or cabinet. It must be housed in a dry, clean, well-ventilated, and
temperature-controlled environment.
Follow these environmental guidelines:
•
The site must be as dust-free as possible, because dust can clog air intake vents and filters, reducing the
efficiency of the switch cooling system.
58

Juniper EX4650 Series Specifications

General

Cooling	Front-to-back or back-to-front airflow
Rack Units	1U
MAC address table size	288, 000 entries
Memory	16 GB
Storage	64 GB SSD
Power Supply	Dual redundant, hot-swappable
Junos OS	Supported
Jumbo frames	9216 bytes
Operating temperature	0°C to 40°C (32°F to 104°F)
Input voltage	AC: 100-240V
Fans	Hot-swappable, redundant
Operating humidity	5% to 90% (non-condensing)
Ports	48 x 10GbE SFP+/SFP28 ports 8 x 40GbE QSFP+/100GbE QSFP28 ports