Juniper SRX345 Firewall Hardware Guide

This guide covers installation, configuration, maintenance, and troubleshooting for the Juniper SRX345 Firewall hardware.


Juniper SRX345 Firewall Hardware Guide - cover page
Brand
Juniper Networks
Category
Other Electronics
Document type
User Manual
Language
English
Pages
119
File format
PDF
File size
2.6 MB
Published
24 October, 2026
Updated
24 October, 2026
MD5 checksum
EAE8EA6E94A9EA3E29737960B27E6B55

About this manual

The SRX345 Firewall is a 1 rack unit (U) tall services gateway designed for midsize distributed enterprises. It consolidates security, routing, switching, and WAN interfaces with a capacity of up to 5 Gbps. The device features eight 1 G Ethernet ports, eight 1 G SFP ports, one management port, and four Mini-Physical Interface Module (Mini-PIM) slots.

What's inside

  • SRX345 Firewall Overview
  • SRX345 Chassis
  • SRX345 Cooling System
  • SRX345 Power System
  • Site Planning and Specifications
  • Initial Installation and Configuration
  • Maintaining Components
  • Troubleshooting Hardware

Specifications

Capacity5 gigabits per second (Gbps)
Height1 rack unit (U) tall
Ethernet Portseight 1 G Ethernet ports
SFP Portseight 1 G SFP ports
Memory (DRAM)4 GB
Flash Memory8 GB
Mini-PIM Slotsfour
AC Input Voltage100 to 240 VAC
DC Rated Voltage Range-48 to -60 VDC

Frequently asked questions

Is the SRX345 Firewall hot-swappable?

No, the Mini-PIMs are not hot-swappable. You must power off the services gateway before removing or installing them.

What is the maximum AC inrush current?

The maximum AC inrush current is 7.3 A at 220 V/50 Hz when four Mini-PIMs are installed.

What Junos OS releases support LTE and Zero Touch Provisioning?

These features start with Junos OS Release 15.1X49-D100.

Download PDF (2.6 MB)

More Juniper Networks Manuals


View all Juniper Networks manuals →