Quick Start Guide
EX4650 Switch Quick Start Guide
IN THIS GUIDE
System Overview | 1
Tools and Parts Required for Installation | 2
Part 1: Install a Power Supply | 3
Part 2: Install a Fan Module | 4
Part 3: Mount the Switch on Four Posts of a Rack | 5
Part 4: Connect Power to the Switch | 7
Part 5: Perform Initial Configuration | 10
Guidelines for Using EX4650 RMA Replacement Chassis | 12
Safety Warnings Summary | 12
Contacting Juniper Networks | 13
System Overview
The EX4650 line of Ethernet switches delivers high scale, high availability, and high performance for campus distribution
deployments. Featuring 48 wire-speed 10-Gigabit Ethernet/25 Gigabit Ethernet small form-factor pluggable and pluggable
plus transceiver (SFP/SFP+/SFP28) ports and 8 wire-speed 40 Gigabit Ethernet/100 Gigabit Ethernet quad SFP+ transceiver
(QSFP+/QSP28) ports in a compact platform, the EX4650 provides the flexibility to support mixed environments. The
EX4650 switches run standard Junos operating system (OS). QFX5120-48Y switches also support virtual chassis technology.
You can interconnect up to two EX4650-48Y switches in a EX4650-48Y virtual chassis.
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The EX4650-48Y switch offers 48 small-form factor pluggable (SFP+) ports that operate at 1-Gbps, 10-Gbps, and
25-Gbps speeds along with 8 quad small form-factor pluggable (QSFP28) ports that operate at 40-Gbps (with QSFP+
transceivers) and 100-Gbps speeds (with QSFP28 transceivers).
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