Juniper EX4300-48P 데이터 시트
6
EX4300 Specifications
Physical Specifications
Backplane
• 320 Gbps Virtual Chassis interconnect to combine up to 10 units
as a single logical device
Uplink Module Options
• Dual-mode 4-port 10GbE SFP+/4-port GbE SFP module with
pluggable SFP+/SFP optics
Power Options
• Power supplies: Autosensing; 100-120 V/200-240 V; AC 350 w
AFO, 350 w AFI, 715 w AFO, and 1,100 w AFO dual load-sharing
hot-swappable internal redundant power supplies
hot-swappable internal redundant power supplies
• Maximum current inrush: 50 amps
• DC power supply: 550 w DC AFO and 550 w DC AFI; input voltage
• DC power supply: 550 w DC AFO and 550 w DC AFI; input voltage
range 36-72 V; dual input feed, dual load-sharing hot-swappable
internal redundant power supplies
internal redundant power supplies
• Minimum number of PSUs required for fully loaded chassis: 1 per
switch
Dimensions (W x H x D)
• 17.41 x 1.72 x 16.43 in (44.21 x 4.32 x 41.73 cm)
• Desktop installation width noted above, rack-mount width is
• Desktop installation width noted above, rack-mount width is
17.5 in (44.5 cm)
• Height: 1 rack unit (1 U)
System Weight
• EX4300 switch (no power supply or fan module): 13 lb (5.9 kg)
• EX4300 switch (with single power supply and two fan modules):
• EX4300 switch (with single power supply and two fan modules):
16.1 lb (7.3 kg)
• 350 w AC power supply: 2.4 lb (1.1 kg)
• 715 w AC power supply: 2.4 lb (1.1 kg)
• 1100 w AC power supply: 2.4 lb (1.1 kg)
• 550 w DC power supply: 2.4 lb (1.1 kg)
• SFP+ uplink module: 0.44 lb (0.2 kg)
• Fan module: 0.33 lb (0.15 kg)
• 715 w AC power supply: 2.4 lb (1.1 kg)
• 1100 w AC power supply: 2.4 lb (1.1 kg)
• 550 w DC power supply: 2.4 lb (1.1 kg)
• SFP+ uplink module: 0.44 lb (0.2 kg)
• Fan module: 0.33 lb (0.15 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 (3,049 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)
• Storage temperature: -40° to 158° F (-40° to 70° C)
• Operating altitude: up to 10,000 ft (3,049 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)
Cooling
• Field-replaceable fans: 2
• Switch remains operational even if one fan fails
• Airflow: PSU-7.5 CFM, fan-22 CFM
• Total maximum airflow throughput with two power supplies:
• Switch remains operational even if one fan fails
• Airflow: PSU-7.5 CFM, fan-22 CFM
• Total maximum airflow throughput with two power supplies:
59 CFM
Hardware Specifications
Switching Engine Model
• Store and forward
Memory
• DRAM: 2 GB with Error Correcting Code (ECC)
• Flash: 2 GB
• Flash: 2 GB
CPU
• 1.5 GHz Dual-Core PowerPC CPU
GbE Port Density per System
• 24P/24T: 28 (24 host ports + four-port 1/10GbE uplink module)
• 48P/48T: 52 (48 host ports + four-port 1/10GbE uplink module)
• 10GbE port density per system (all models): 4 (uplink module)
• 40GbE port density per system (all models): 4
• 48P/48T: 52 (48 host ports + four-port 1/10GbE uplink module)
• 10GbE port density per system (all models): 4 (uplink module)
• 40GbE port density per system (all models): 4
Supported Optics
• GbE SFP optic/connector type: LC SFP fiber supporting SX
(multimode), LX (single-mode)
• 10GbE SFP+ optic/connector type: 10GbE SFP+ LC connector, SR
(multimode), USR (multimode), LR (single-mode), ER (single-
mode), LRM (multimode), and DAC (direct-attach copper)
mode), LRM (multimode), and DAC (direct-attach copper)
• 40 GbE QSFP+ optic/connector type: 40GbE QSFP+ LC connector
type, SR (multimode), DAC (direct-attach copper)
Physical Layer
• Time Domain Reflectometry (TDR) for detecting cable breaks and
shorts: 24P/24T and 48P/48T only
• Auto medium-dependent interface/medium-dependent interface
crossover (MDI/MDIX) support: 24P/24T and 48P/48T only (all
ports)
ports)
• Port speed downshift/setting maximum advertised speed on
10/100/1000BASE-T ports: 24P/24T and 48P/48T only, on all
ports
ports
• Digital optical monitoring for optical ports
Packet Switching Capacities (Maximum with 64 Byte Packets)
• 24P/24T: 448 Gbps
• 48P/48T: 496 Gbps
• 48P/48T: 496 Gbps
Software Specifications
Security
• MAC limiting (per port and per VLAN)
• Allowed MAC addresses configurable per port
• Dynamic ARP inspection (DAI)
• IP source guard
• Local proxy ARP
• Static ARP support
• DHCP snooping
• Captive portal
• Persistent MAC address configurations
• Distributed denial of service (DDoS) protection (CPU control path
• Allowed MAC addresses configurable per port
• Dynamic ARP inspection (DAI)
• IP source guard
• Local proxy ARP
• Static ARP support
• DHCP snooping
• Captive portal
• Persistent MAC address configurations
• Distributed denial of service (DDoS) protection (CPU control path
flooding protection)
Layer 2/Layer 3 Throughput (Mpps) (Maximum with
64 Byte Packets)
64 Byte Packets)
• 24P/24T: 333 Mpps (wire speed)
• 48P/48T: 369 Mpps (wire speed)
• 48P/48T: 369 Mpps (wire speed)
Layer 2 Switching
• Maximum MAC addresses per system: 64,000
• Jumbo frames: 9,216 Bytes
• Number of VLANs: 4,093
• Virtual Spanning Tree (VST) instances: 510
• Port-based VLAN
• MAC-based VLAN
• Voice VLAN
• Physical port redundancy: Redundant trunk group (RTG)
• Compatible with Per-VLAN Spanning Tree Plus (PVST+)
• Routed VLAN Interface (RVI)
• Uplink Failure Detection (UFD)
• ITU-T G.8032 Ethernet Ring Protection Switching
• IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
• Jumbo frames: 9,216 Bytes
• Number of VLANs: 4,093
• Virtual Spanning Tree (VST) instances: 510
• Port-based VLAN
• MAC-based VLAN
• Voice VLAN
• Physical port redundancy: Redundant trunk group (RTG)
• Compatible with Per-VLAN Spanning Tree Plus (PVST+)
• Routed VLAN Interface (RVI)
• Uplink Failure Detection (UFD)
• ITU-T G.8032 Ethernet Ring Protection Switching
• IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)