Juniper SRX345-SYS-JB is a SRX345 Services Gateway including hardware (16GE, 4x MPIM slots, 4G RAM, 8G Flash, power supply, cable and RMK) and Junos Software Base (Firewall, NAT, IPSec, Routing, MPLS and
Juniper - Day One: This Week - Deploying MPLS Layer 3 VPN | network foo
Juniper Networks SRX345 Junos Software Base | Acquire (Australia)
Junos Day One: MPLS Behind The Scenes « ipSpace.net blog