The Juniper Networks EX 4200 series Ethernet switches with Virtual Chassis technology combine the High Availability (HA) and carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, delivering a high-performance, scalable solution for data center, campus and branch office environments. All EX 4200 series switches include HA features such as redundant, hot-swappable internal power supplies and field-replaceable, multi-blower fan trays to ensure maximum uptime. In addition, the base EX 4200 series switch models offer Class 3 power over Ethernet (PoE), delivering 15.4 watts on the first eight ports to support IP-enabled devices such as telephones, video cameras and wireless LAN (WLAN) access points for low-density converged networks. Full PoE options delivering 15.4 watts on all 24 or 48 ports are also available, making them ideal for high-density IP telephony deployments. Clock Speed : 1 GHZ. Flash Memory Installed : 1 GB. RAM Installed : 1 GB. MAC Address Table Size : 24K entries. Max Units In A Stack : 10. Ports : 48 Power Over Ethernet (PoE) PoE. Status Indicators : LCD display. Expansion Slots : 1 (total) / 1 (free) x expansion slot. Interface Provided : 1 x management, 1 x network stack device, 48 x 10Base-T/100Base-TX/1000Base-T – RJ-45 PoE Port Quantity 48 Port Type 10/100/1000 (PoE). Power Consumption Operational : 930 watt. Power Supplies Installed : 1. Power Supplies Supported : 2. Redundant Power Supply : Yes. Performance : Throughput: 101 Mpps.