Мы предоставляем клиентам различные коммуникационные продукты по разумным ценам и высококачественным продуктам и услугам
Downlink ports
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24 × 10/100Base-TX Ethernet ports
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Uplink ports
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2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP
|
MAC address
|
16K MAC address entries
Manual deletion of dynamic MAC address entries Aging time of MAC address configurable MAC address learning control which based on ports Blackhole MAC address entries |
VLAN feature
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4K VLANs, complying with IEEE 802.1Q
Port-based VLAN assignment |
MAC address-based assignment
Port-based QinQ | |
QoS
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Port-based rate limiting and flow-based rate limiting
8 queues of different priorities on each port Mapping between 802.1p priorities and queues SP, WRR, and SP+WRR algorithms |
packet-based priority remark and packet redirection
| |
IPv6 feature
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IPv6 protocol
Static IPv6 routes Supports MLD v1/v2 snooping. |
Multicast
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MVLAN
Controllable multicast IGMP v1/v2/v3 snooping Port-based rate limiting for multicast packets |
Reliability
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STP (IEEE 802.1d), RSTP (IEEE 802.1w), MSTP (IEEE 802.1s), and RRPP topology and RRPP multi-instance
SEP and ERPS (G.8032) Smart Link tree topology and Smart Link multi-instance, implementing millisecond-level protective switchover |
Traffic sampling
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sFlow
|
Security & access features
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802.1x authentication and limit on the number of users on an interface
Storm suppression IP Source Guard |
Multiple authentication methods including AAA authentication, RADIUS authentication, and TACACS+ authentication
802.1x authentication, MAC address authentication, MAC bypass authentication DHCP snooping Port isolation and sticky MAC Packet filtering based on MAC addresses Suppression of multicast, broadcast, and unknown unicast packets Limit on the number of learned MAC addresses CPU defense S2750-EI/S2751-EI:DHCP relay | |
Surge protection
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Surge protection capability of service ports: 6 kV
|
Management
|
Stack
Easy Operation CLI-based configuration Remote configuration using Telnet SNMP V1/V2/V3 Remote network monitoring SSHv2 Web-based device management |
Operating environment
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Long-term operating temperature: –5°C to + 50°C
Relative humidity: 10% to 90% (non-condensing) |
力量
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AC:
Rated voltage range: 100 V to 240 V AC, 50/60 Hz Maximum voltage: 90 to 264 V AC, 50/60 Hz |
Dimensions (W x D x H)
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442 × 310 × 43.6 毫米
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重量
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S2750-28TP-PWR-EI < 4.5 公斤
|
Power consumption
|
S2750-28TP-PWR-EI < 445 W
(PoE < 370W) |
1.宽阔的供应链体系
我们建立了完善的供应链体系,提供种类繁多、质量可靠、价格合理的产品。
2.价格有竞争力
我们保证最具竞争力的价格。温馨提醒,电信设备配置差别很大,价格显示
3.安全便捷的支付解决方案
我们支持多种付款方式,如电汇、信用卡等
4.强大的售前和售后服务
为客户提供专业的售前服务,以及售后技术服务
5.20年以上行业经验
我们从事这个行业已经20多年了,有丰富的行业经验。
6.快速送货和运输
交付快捷、专业、可靠。
问:你们的主要产品怎么样?
答:我们的产品线包括交换机、路由器、OLT、SDH。 网络模块、接口卡、安全防火墙、无线AP等。
Электронная почта:
Lilicheng0510@163.com
Flat/RM P, 4/F, Lladro Center, 72 Hoi Yuen Road, Квун Тонг, Гонконг, Китай