The ACX4000 is a 2.5RU, actively cooled access router that is environmentally hardened for field deployment. This versatile, high-performance mobile access platform runs on the Junos operating system.The ACX4000 has two modular interface card (MIC) slots that can house 16 T1/E1 ports, 6 GbE copper/fiber combination ports, or 4 CHOC3/STM-1 ports, which creates a mobile access platform versatile enough for any deployment.Besides 2 MIC slots, the platform also provides a number of fixed ports; 2x 10GbE, 2x GbE SFP, 8x GbE combination (copper/fiber).