Juniper SRX345 Hardware Guide

Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Part 1 Overview
Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SRX345 Services Gateway Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 2 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SRX345 Services Gateway Chassis Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Understanding the SRX345 Services Gateway Front Panel . . . . . . . . . . . . . . . . . . . 5
Understanding the SRX345 Services Gateway Back Panel . . . . . . . . . . . . . . . . . . . 8
Chapter 3 Interface Module Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SRX345 Services Gateway Interface Modules Overview . . . . . . . . . . . . . . . . . . . . . 11
Chapter 4 Cooling System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Understanding the SRX345 Services Gateway Cooling System . . . . . . . . . . . . . . . 13
Chapter 5 Power System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Understanding the SRX345 Services Gateway Power Supply . . . . . . . . . . . . . . . . 15
Part 2 Site Planning and Specifications
Chapter 6 Planning and Preparing the Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SRX345 Services Gateway Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . 19
SRX345 Services Gateway Environmental Specifications . . . . . . . . . . . . . . . . . . . 19
Site Preparation Checklist for the SRX345 Services Gateway . . . . . . . . . . . . . . . . 20
General Site Installation Guidelines for the SRX345 Services Gateway . . . . . . . . 22
Chapter 7 Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SRX345 Services Gateway Rack-Mounting Requirements and Warnings . . . . . . . 25
SRX345 Services Gateway Rack Size and Strength Requirements . . . . . . . . . . . . 29
SRX345 Services Gateway Spacing of Mounting Brackets and Flange Holes . . . . 29
SRX345 Services Gateway Clearance Requirements for Airflow and Hardware
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
iiiCopyright © 2017, Juniper Networks, Inc.

Juniper SRX345 Specifications

General

USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	8
Flash memory	8000 MB
Internal memory	4000 MB
Certification	FCC A, RoHS 2
Rack capacity	1U
Heat dissipation	420 BTU/h
Power consumption (typical)	122 W
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Routing protocols	BGP, CLNS, MPLS, OSPF, RIP-1, RIP-2
Supported network protocols	IPv4, IPv6
Firewall security	Yes
Security algorithms	IPSEC, SSL/TLS
Networking standards	IEEE 802.1p
Ethernet LAN data rates	10, 100, 1000 Mbit/s

Weight and Dimensions

Weight	4900 g
Dimensions (WxDxH)	440.9 x 370.1 x 43.6 mm