SPECIFICATION

General
Device Type Switch-24 Ports - Managed
Enclosure Type Rack -Mounted
Authentication Method Extensible Authentication Protocol (EAP) , RADIUS , TACACS+
VLAN 4096
Compliant Standards IEEE 802.1ab (LLDP) , IEEE 802.1D , IEEE 802.1p , IEEE 802.1Q , IEEE 802.1s , IEEE 802.1w , IEEE 802.1x , IEEE 802.3 , IEEE 802.3ab , IEEE 802.3ad (LACP) , IEEE 802.3af , IEEE 802.3u , IEEE 802.3x , IEEE 802.3z
Network Features Redundant Trunk Group (RTG), Spanning Tree Protocol (STP), Link Layer Discovery Protocol (LLDP) and LLDP-Media Endpoint Discovery (LLDP-MED) protocol
Security Features MAC limiting , Allowed MAC addresses�configurable per port , Sticky MAC (persistent MAC address learning) , Dynamic ARP inspection (DAI) , Proxy ARP , Static ARP support , DHCP snooping , IP source guard , 802.1X port-based , 802.1X multiple supplicants , 802.1X with VLAN assignment , 802.1X with authentication bypass access (based on host MAC address) , 802.1X with VoIP VLAN support , 802.1X dynamic ACL based on RADIUS attributes , 802.1X Supported EAP types: Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled Transport Layer Security (TTLS), Protected Extensible Authentication Protocol (PEAP) , Captive Portal , Trusted Network Connect (TNC) certified Static MAC authentication
QoS Features Layer 2 QoS , Layer 3 QoS , Ingress policing: 1 rate 2 color , Hardware queues per port: 8 , Scheduling methods (egress): Strict Priority (SP), shaped deficit weighted round-robin (SDWRR) , 802.1p, DSCP /IP precedence trust and marking , L2-L4 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN, IP address, DSCP/IP precedence, TCP/UDP port numbers , Congestion avoidance capabilities: Tail drop
Management & Monitoring Junos OS CLI , Web interface (J-Web) , Out-of-band management: Serial, 10/100BASE-T Ethernet , ASCII configuration Rescue configuration , Configuration rollback , Image rollback , RFC 2138 RADIUS authentication , RFC 2139 RADIUS accounting , RFC 3579 RADIUS Extensible Authentication Protocol (EAP) support for 802.1X , RFC 5176 Dynamic Authorization Extensions to RADIUS , RFC 2267 Network ingress filtering , RFC 2030 Simple Network Time Protocol,(SNTP) , RFC 854 Telnet client and server , RFC 951, 1542 BootP , RFC 2131 BOOTP/DHCP relay agent and DHCP server , RFC 1591 Domain Name System (DNS) , RFC 2474 DiffServ Precedence, including 8 queues/port , RFC 2598 DiffServ Expedited Forwarding (EF) , RFC 2597 DiffServ Assured Forwarding (AF) , LLDP Media Endpoint Discovery (LLDP-MED), ANSI/TIA- 1057, draft 08
Routing Protocols IGMP , RIP-1 , RIP-2
First Hop Redundancy Virtual Router Redundancy Protocol (VRRP)
Flash Memory 1 GB
Jumbo Frame Support 9216 bytes
MAC Address Table Size 16000
Stacking Virtual Chassis
Max Units In A Stack up to 4
Performance Throughput 42 Mpps
Power Over Ethernet (PoE) N/A
PoE Budget None
Ports 24-port 10/100/1000BASE-T EthernetSwitch with four SFP Gigabit Ethernetuplink ports
Processor 800 MHz ARM
RAM 512 MB
Status Indicators LCD Display
 
Dimensions & Weight
Depth 10 in
Height 1.75 in
Width 17.4 in
Weight 2.7 kg
 
Environmental Parameters
Humidity Range Operating 10% to 85% (noncondensing)
Humidity Range Storage N/A
Max Operating Temperature 113� F
Max Storage Temperature 158�F
Min Operating Temperature 32� F
Min Storage Temperature �40�F
 
Expansion / Connectivity
Expansion Slots N/A
Interfaces 48-port 10/100/1000BASE-T EthernetSwitch with PoE+ and four SFP GigabitEthernet uplink ports
Manufacturer Warranty Limited 90-day Software Media Warrant
 
Miscellaneous
Safety/Compliant Standards UL-UL60950-1 (Second Edition) � C-UL to CAN/CSA 22.2 No.60950-1 (Second Edition) � TUV/GS to EN 60950-1 (Second Edition) � CB-IEC60950-1 (Second Edition with all country deviations) � EN 60825-1 (Second Edition)
MTBF N/A
 
Power
Features Internal Power Supply
Power Device internal DC power supply
Power Redundancy optional redundant power supply
Voltage Required 50 W AC
 
Software / System Requirements
Software Included JUNOS OS
 

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