Juniper QFX Series Hardware Guide

Table 33: 10/100/1000BASE-T Ethernet Network Port Connector Pinout Information for EX4300 Switches Except
EX4300-48MP and EX4300-48MP-S Switches
DescriptionSignalPin
Transmit/receive data pair 1
Negative Vport (in PoE models)
TRP1+1
Transmit/receive data pair 1
Negative Vport (in PoE models)
TRP1-2
Transmit/receive data pair 2
Positive Vport (in PoE models)
TRP2+3
Transmit/receive data pair 3TRP3+4
Transmit/receive data pair 3TRP3-5
Transmit/receive data pair 2
Positive Vport (in PoE models)
TRP2-6
Transmit/receive data pair 4TRP4+7
Transmit/receive data pair 4TRP4-8
Table 34: 10/100/1000BASE-T Ethernet Network Port and 100/1000/2500/5000/10000BASE-T Ethernet
Network Port Connector Pinout Information for EX4300-48MP and EX4300-48MP-S Switches
DescriptionSignalPin
Transmit/receive data pair 1
Negative Vport 1
TRP1+1
Transmit/receive data pair 1
Negative Vport 1
TRP1-2
Transmit/receive data pair 2
Positive Vport 1
TRP2+3
Transmit/receive data pair 3
Positive Vport 2
TRP3+4
Transmit/receive data pair 3
Positive Vport 2
TRP3-5
Copyright © 2019, Juniper Networks, Inc.78
QFX5110 Switch Hardware Guide

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)