Juniper EX4550 Hardware Guide

List of Figures
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: Front Panel of an EX4550-32F Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2: Front Panel of an EX4550-32T Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3: Rear Panel of an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4: Components on the Front Panel of an EX4550-32F Switch . . . . . . . . . . . 8
Figure 5: Components on the Front Panel of an EX4550-32T Switch . . . . . . . . . . . 9
Figure 6: Components on the Rear Panel of an EX4550 Switch . . . . . . . . . . . . . . . 9
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 7: LCD Panel in EX4550 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 8: 8-Port SFP+ Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 9: 8-Port 10GBASE-T Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 10: 2-Port QSFP+ Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 11: LEDs on an SFP+ Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12: LEDs on a 10GBASE-T Expansion Module . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 13: LEDs on a QSFP+ Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 14: Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 15: Virtual Chassis Module LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 16: Chassis Status LEDs in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 17: LEDs on the Management Port on an EX4550 Switch . . . . . . . . . . . . . . 29
Figure 18: SFP+ Network Port and SFP+ Expansion Module Port LEDs . . . . . . . . 30
Figure19: 10GBASE-T Ethernet Network Port and 10GBASE-T Expansion Module
Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 20: QSFP+ Expansion Module Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Chapter 3 Cooling System and Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 21: Fan Module Used in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 22: Back-to-Front Airflow Through the EX4550 Switch Chassis . . . . . . . . . 37
Figure 23: Front-to-Back Airflow Through the EX4550 Switch Chassis . . . . . . . . 38
Chapter 4 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 24: AC Power Supply for an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 25: Label Identifying the Airflow Direction in an AC Power Supply . . . . . . . 42
Figure 26: AC Power Supply LEDs in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . 43
Figure 27: DC Power Supply for an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 28: Label Identifying the Airflow Direction in a DC Power Supply . . . . . . . . 46
Figure 29: DC Power Supply Faceplate on an EX4550 Switch . . . . . . . . . . . . . . . . 47
Part 2 Site Planning, Preparation, and Specifications
Chapter 6 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
ixCopyright © 2015, Juniper Networks, Inc.

Juniper EX4550 Specifications

Console Connection Settings

baud rate	9600
data bits	8
stop bits	1