Switch Aruba JL355A 2540-48G 48 Ports 10/100/1000, 4 SFP+ Uplink

48 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only

4 SFP+ 1/10GbE ports; PHY-less

Dimensions: 17.42(w) x 9.7(d) x 1.73(h) in (44.25 x 24.63 x 4.39 cm) (1U height)
Weight: 6.83 lb (3.10 kg)

Dual Core ARM Coretex A9 @ 1016 MHz, 1 GB DDR3 SDRAM; Packet buffer size: 12.38 MB

4.5MB Ingress/7.875MB Egress, 4 GB eMMC

1000 Mb Latency < 3.8 µs (64-byte packets)
10 Gb Latency < 1.6 µs (64-byte packets)
Throughut up to 112.0 Mpps
Switching capacity: 176 Gbps
MAC address table size: 16384 entries

Operating temperature: 32°F to 113°F (0°C to 45°C)
Operating relative humidity: 5% to 95%, noncondensing
Nonoperating/Storage temperature:-40°F to 158°F (-40°C to 70°C)
Nonoperating/Storage relative humidity:15% to 95% @ 149°F (65°C), noncondensing
Airflow direction: Side-to-side
Acoustic: Power: 54.1 dB, Pressure: 40.2 dB

Frequency: 50/60 Hz
Maximum heat dissipation: 159 BTU/hr (167.74 kJ/hr)
Voltage: 100 - 240 VAC, rated
Maximum power rating: 46.6 W
Idle power: 32.7 W
Notes: Maximum power rating and maximum heat dissipation are the worst-case theoretical : maximum numbers provided for planning the infrastructure with fully loaded PoE (if equipped), 100% traffic, all ports plugged in, and all modules populated

VCCI Class A; CNS 13438; ICES-003 Class A; FCC CFR 47 Part 15, Class A ; EN 55022: 2010/CISPR-22, Class A

• Software-defined networks
• Supports unified wired and wireless policies
• Switch auto-configuration
• User role
• Static IP Visibility

• Traffic prioritization (IEEE 802.1p)
• Layer 4 prioritization
• Class of Service (CoS)
• Rate limiting
• Large buffers

• Flexible 10 Gb/s Ethernet connectivity
• Auto-MDIX
• IEEE 802.3at Power over Ethernet (PoE+)
• IPv6
  • IPv6 host
  • Dual stack (IPv4 and IPv6).
  • MLD snooping
  • IPv6 ACL/QoS
  • IPv6 routing
  • Security

• Energy-efficient design delivers power savings
  • 80 PLUS Silver Certified power supply
  • Energy-efficient Ethernet (EEE) support
• Designed with the latest Aruba ProVision ASIC
• Selectable queue configurations

• IP multicast snooping and IGMP
• IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
• LLDP-MED (Media Endpoint Discovery)
• PoE and PoE+ allocations
• Local MAC Authentication

• IEEE 802.1s Multiple Spanning Tree
• IEEE 802.3ad link-aggregation-control protocol (LACP) and port trunking
• SmartLink

• SNMPv1, v2, and v3
• Zero-Touch ProVisioning (ZTP)
• Flexible management with same hardware
• Aruba Central support

• Dual flash images
• Friendly port names
• Find-Fix-Inform
• Multiple configuration files
• Software updates
• RMON, XRMON, and sFlow
• Troubleshooting
• Uni-Directional Link Detection (UDLD)
• IP SLA for voice

• Jumbo packet support
• IEEE 802.1v protocol VLANs
• Rapid Per-VLAN Spanning Tree (RPVST+)
• GVRP and MVRP
• VLAN support and tagging

• DHCP server
• Static IP routing
• 256 static and 2,000 RIP route
• Routing Information Protocol (RIP)

• Multiple user authentication methods
  • IEEE 802.1X
  • Web-based authentication
  • Supports MAC-based authentication
• Authentication flexibility
  • Multiple IEEE 802.1X users per port
  • Concurrent IEEE 802.1X, Web, and MAC authentication schemes per port
• Access control lists (ACLs)
• Source-port filtering
• RADIUS/TACACS+
• Secure shell
• Secure Sockets Layer (SSL)
• Port security
• MAC address lockout
• Secure FTP
• Switch management logon security
• STP BPDU port protection
• DHCP protection
• Dynamic ARP protection
• Dynamic IP lockdown
• STP Root Guard
• Identity-driven ACL
• Per-port broadcast throttling