Nous fournissons aux clients divers produits de communication à des prix raisonnables et des produits et services de haute qualité
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
|
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
Operazione faciule 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) |
putenza
|
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 mm
|
Pesu
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S2750-28TP-PWR-EI < 4.5 kg
|
Power consumption
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S2750-28TP-PWR-EI < 445 W
(PoE < 370W) |
1.Table And Wide Supply Chain System
We have established a perfect supply chain system to provide a wide range of products with reliable quality and reasonable price.
2.Competitive Price
We ensure the most competitive price.Warm reminders here, telecommunications equipment configuration is quite different, the price show
3.Safe And Easy Payment Solutions
We support a variety of payment methods, such as T/T, credit card, et
4.Strong Pre-Sales And After-Sales Services
To provide customers with professional pre- sales service, as well as after-sales technical Services
5.More Than 20 Years Industry Experience
We have been engaged in this industry more than 20 years, we have rich industry experience.
6.Fast Delivery And Shipping
Fast, professional and reliable delivery.
Q: How about your main products?
A:Our product lines include Switches.Routers,OLTs,SDHs. Network Modules, Interface Cards, Security Firewalls, Wireless AP etc.
Courriel:
Lilicheng0510@163.com
FLAT / RM P, 4 / F, Lladro Center, 72 Hoi Yuen Road, Kwun Tong, Hong Kong, Chine