Mô tả sản phẩm
Thiết bị chuyển mạch Aruba JL255A cung cấp 24 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only, 4 SFP+ 1/10GbE ports; PHY-less
Thiết bị mạng Aruba JL255A dụng cho việc cung cấp kết nối mạng LAN đến các máy tính làm việc và các thiết bị cần kết nối mạng như bộ phát không dây wifi, máy in, máy chủ, IP camera … Dòng switch Aruba JL255A tiết kiệm chi phí và rất hiệu quả cho việc cung cấp kết nối mạng, với mức tiêu thụ nguồn điện thấp.
Switch Aruba JL255A cho phép dễ dàng quản lý ngay cả bởi người dùng không biết kỹ thuật thông qua giao diện Wed trực quan, hỗ trợ HTTP và HTTP Secure (HTTPS)
Thông số kỹ thuật chi tiết của switch Aruba JL255A:
| I/O ports and slots |
24 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
4 SFP+ 1/10GbE ports; PHY-less |
| Additional ports and slots |
1 dual-personality (RJ-45 or USB micro-B) serial console port |
| Physical characteristics |
Dimensions: 17.42(w) x 11.98(d) x 1.73(h) in (44.25 x 30.42 x 4.39 cm) (1U height)
Weight: 5.31 lb (2.41 kg) |
| Memory and processor |
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 |
| Mounting and enclosure |
Mounts in an EIA-standard 19-inch telco rack or equipment cabinet (rack-mounting kit available); Horizontal surface mounting; Wall mounting |
| Performance |
1000 Mb Latency < 3.8 µs (64-byte packets)
100 Gb Latency < 1.6 µs (64-byte packets)
Throughut up to 95.2 Mpps
Switching capacity: 128 Gbps
MAC address table size: 32768 entries |
| Environment |
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
Altitude: up to 10,000 ft (3 km)
Acoustic: Power: 54.1 dB, Pressure: 40.2 dB |
| Electrical characteristics |
Frequency: 50/60 Hz
Maximum heat dissipation: 1518 BTU/hr (1601.49 kJ/hr)
Voltage: 100 - 240 VAC, rated
Maximum power rating: 445 W
Idle power: 36.8 W
PoE power: 370 W PoE+
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 |
| Safety |
UL 60950-1, 2nd Edition; EN 60950-1:2006 +A11:2009 +A1:2010 +A12:2011+A2:2013; IEC 60950-1:2005 +A1:2009 +A2:2013; CSA 22.2 No. 60950-1-07 2nd; EN 60825-1:2007 / IEC 60825-1:2007 Class 1 |
| Emissions |
EN 55022:2010/CISPR 22 Class A; FCC CFR 47 Part 15 Class A; VCCI Class A; ICES-003 Class A; CNS 13438 |
| Management |
Aruba AirWave Network Management; IMC – Intelligent Management Center; Command-line interface; Web browser; Configuration menu; SNMP manager; Telnet; RMON1; FTP; Out-of-band management (serial RS-232C or micro USB) |
Các tính năng hỗ trợ trên switch Aruba JL255A
| Unified Wired and Wireless |
- Dynamic segmentation
- Supports unified wired and wireless policies
- Switch auto-configuration
- User role
- Static IP Visibility
|
| Software-defined networks |
REST APIs and OpenFlow |
| Quality of Service (QoS) |
- Traffic prioritization (IEEE 802.1p)
- Layer 4 prioritization
- Class of Service (CoS)
- Rate limiting
- Large buffers
- Unknown Unicast Rate Limiting
|
| Connectivity |
- Flexible 10 Gb/s Ethernet connectivity
- Auto-MDIX
- IPv6
- IPv6 host
- Dual stack (IPv4 and IPv6).
- MLD snooping
- IPv6 ACL/QoS
- IPv6 routing
- Security
|
| Performance and efficiency |
- 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
- Stacking topology
- Virtual Switching Framework (VSF) front plane stacking creates one virtual resilient switch from up to eight* switches
- Ring topology supports up to an 8-member stack
- Virtualized switching provides simplified management as the switches act as a single chassis when stacked
|
| Convergence |
- IP multicast snooping and IGMP
- IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
- LLDP-MED (Media Endpoint Discovery)
- IP multicast routing
- Local MAC Authentication
- Protocol Independent Multicast for IPv6
|
| Resiliency and high availability |
- IEEE 802.1s Multiple Spanning Tree
- IEEE 802.3ad link-aggregation-control protocol (LACP) and port trunking
- Virtual Router Redundancy Protocol (VRRP)
- SmartLink
- SNMPv1, v2, and v3
|
| Simplified configuration and management |
- SNMPv1, v2, and v3
- Zero-Touch ProVisioning (ZTP)
- Flexible management with same hardware
- Aruba Central support
- Built-in programmable and easy to use REST API interface
- Out-of-band Ethernet management port
|
| Manageability |
- 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
|
| Layer 2 switching |
- Jumbo packet support
- IEEE 802.1v protocol VLANs
- Rapid Per-VLAN Spanning Tree (RPVST+)
- GVRP and MVRP
- VLAN support and tagging
- VxLAN
|
| Layer 3 |
- DHCP server
- Static IP routing
- 256 static and 10,000 RIP route
- Routing Information Protocol (RIP)
- Access OSPF
- Policy-based routing
|
| Security |
- Control Plane Policing set rate limit on control protocols to protect CPU overload from DOS attacks
- 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
- Private VLAN
- Open authentication role
- Critical authentication role
- MAC pinning
|
| Monitor and diagnostics |
Digital optical monitoring of SFP+ and 1000BASE-T transceivers |
