Thông số kỹ thuật Switch Juniper EX2200-48P-4G-TAA

Physical Specifications
Dimensions (W x H x D)	– Width: 17.4 in (44.1 cm) for desktop installations 17.5 in (44.6 cm) with rack-mount brackets – Height: 1.75 in (4.45 cm) for 1U installations – Depth: 10 in (25.43 cm)
Weight	10 lb (4.5 kg)
Environmental Ranges	– Operating temperature: 32° to 113° F (0° to 45° C) – Storage temperature: -40° to 158° F (-40° to 70° C) – Operating altitude: up to 10,000 ft (3,048 m) – Non-operating altitude: up to 16,000 ft (4,877 m) – Relative humidity operating: 10% to 85% (noncondensing) – Relative humidity non-operating: 0% to 95% (noncondensing)
Power Options	91 W AC
Total PoE Power Budget	405 W
Hardware Specifications
Switching Engine Model	Store and forward
DRAM	512 MB
Flash	1 GB
CPU	800 MHz ARM CPU
GbE port density per system	52 (48 host ports+ four-port GbE uplinks)
Physical Layer	– Physical port redundancy: Redundant Trunk Group (RTG) – Time-domain reflectometry (TDR) for detecting cable breaks and shorts – Auto MDI/MDIX (medium-dependent interface/mediumdependent interface crossover) support – Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports – Digital optical monitoring for optical ports
Packet Switching Capacities	104 Gbps
Layer 2 Throughput (Mpps)	77.4 Mpps (wire speed)
Layer 2 Switching	– Maximum MAC addresses in hardware: 16,000 – Jumbo frames: 9216 bytes – Number of VLANs: 1,024 (VLAN IDs: 4,096) – Port-based VLAN – MAC-based VLAN – Voice VLAN – Private VLAN (PVLAN) – IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP) – Multicast VLAN Registration (MVR) – Compatible with Per-VLAN Spanning Tree Plus (PVST+) – RVI (Routed VLAN Interface) – IEEE 802.1AB: Link Layer Discovery Protocol (LLDP) – LLDP-MED with VoIP integration – IEEE 802.1D: Spanning Tree Protocol – IEEE 802.1p: CoS prioritization – IEEE 802.1Q: VLAN tagging – IEEE 802.1Q-in-Q: VLAN Stacking – IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP) – Number of MST instances supported: 64 – IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP) – IEEE 802.1X: Port Access Control – IEEE 802.3: 10BASE-T – IEEE 802.3u: 100BASE-T – IEEE 802.3ab: 1000BASE-T – IEEE 802.3z: 1000BASE-X – IEEE 802.3x: Pause Frames/Flow Control – IEEE 802.3ad: Link Aggregation Control Protocol (LACP) – IEEE 802.3ah: Ethernet in the First Mile – IEEE 802.1ag: Connectivity Fault Management (CFM) – G.8032 (Ethernet Ring Protection)
Layer 3 Features: IPv4	– Maximum number of Address Resolution Protocol (ARP) entries: 2,000 – Maximum number of IPv4 unicast routes in hardware: 6500 – Routing protocols: – RIP v1/v2 – OSPF v1/v2 (with 4 active interfaces) – Static routing – Bidirectional Forwarding Detection (BFD) – IP directed broadcast – VRF-Lite