The HKShanhai Group Limited 250 Series is the next generation of affordable smart switches that combine powerful network performance and reliability with a complete suite of the network features you need for a solid business network. These powerful Fast Ethernet or Gigabit Ethernet switches, with Gigabit or 10 Gigabit Ethernet uplinks, provide multiple management options, sophisticated security capabilities, fine-tuned Quality-of-Service (QoS) and Layer 3 static routing feature far beyond those of an unmanaged or consumer-grade switch, at a lower cost than for fully managed switches.
Quick Specs
Table 1 shows the Quick Specs.
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Product Code |
SF250-24 |
|
Processor |
X ARM: 800 MHz |
|
RAM |
512 MB |
|
Flash Memory |
256 MB |
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Power Consumption Operational |
10.6 Watt |
|
Heat dissipation (BTU/hr) |
37.19 |
Product Details
–Layer 3 static routing: This capability allows you to segment your network into separate workgroups and communicate across VLANs without degrading application performance. As a result, you can manage internal routing with your switches and dedicate your router to external traffic and security, helping your network run more efficiently.
–IPv6 support: As the IP network addressing scheme evolves to accommodate more devices, you can have peace of mind that your network is ready. HKShanhai Group Limited 250 Series switches provide native support for IPv6 alongside traditional IPv4. With USGv6 and IPv6 Gold Logo certifications, the 250 Series will enable you to take full advantage of IPv6-enabled operating systems and applications in the future, without having to upgrade your network equipment.
–IP telephony support: HKShanhai Group Limited 250 Series switches include QoS features to prioritize delay-sensitive services such as voice and video, simplify unified communications deployments, and help ensure consistent network performance for all services.
Related Modules
Table 2 shows the related models of HKShanhai Group Limited 250 Series Unmanaged Switches.
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Model |
Description |
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SF250-24 |
HKShanhai Group Limited SF250-24 24-Port 10 100 Smart Switch |
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HKShanhai Group Limited SF250-24P 24-Port 10 100 PoE Smart Switch |
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HKShanhai Group Limited SF250-48 48-Port 10 100 Smart Switch |
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HKShanhai Group Limited SF250-48HP 48-Port 10 100 PoE Smart Switch |
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HKShanhai Group Limited SG250-10P 10-Port Gigabit PoE Smart Switch |
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HKShanhai Group Limited SG250-18 18-Port Gigabit Smart Switch |
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HKShanhai Group Limited SG250-26 26-Port Gigabit Smart Switch |
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HKShanhai Group Limited SG250-26HP 26-Port Gigabit PoE Smart Switch |
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HKShanhai Group Limited SG250-26P 26-Port Gigabit PoE Smart Switch |
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HKShanhai Group Limited SG250-50 50-Port Gigabit Smart Switch |
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HKShanhai Group Limited SG250-50HP 50-Port Gigabit PoE Smart Switch |
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HKShanhai Group Limited SG250-50P 50-Port Gigabit PoE Smart Switch |
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HKShanhai Group Limited SG250X-24 24-Port Gigabit with 4-Port 10-Gigabit Smart Switch |
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HKShanhai Group Limited SG250X-24P Gigabit PoE with 4-Port 10-Gigabit Smart Switch |
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HKShanhai Group Limited SF250-24 Specification
SF250-24 Specification |
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|
General |
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|
Device Type |
Switch – 24 ports – smart |
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Enclosure Type |
Rack-mountable 1U |
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Subtype |
Fast Ethernet |
|
Power consumption (worst case) |
|
|
Green power (mode) |
EEE, Energy Detect |
|
System power consumption |
110V=10.6W; 220V=10.9W |
|
Power consumption (with PoE) |
– |
|
Heat dissipation (BTU/hr) |
37.19 |
|
Total system ports |
24 Fast Ethernet + 4 Gigabit Ethernet |
|
RJ-45 ports |
24 Fast Ethernet |
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Combo ports (RJ-45 + SFP) |
2 Gigabit Ethernet combo + 2 SFP |
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Performance |
Switching capacity: 12.8 Gbps | Forwarding performance (64-byte packet size): 9.52 Mpps |
|
Capacity |
MSTP instances: 8 | Active VLANs: 256 | Multicast groups: 4000 | IPv4 routes (static): up to 32 | IPv4 interfaces: up to 16 | ACL rules: up to 512 | QoS hardware queues: 8 |
|
MAC Address Table Size |
8K entries |
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Jumbo Frame Support |
9KB |
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Routing Protocol |
IGMPv2, IGMP, IGMPv3, static IPv4 routing, MLDv2, MLD, CIDR |
|
Remote Management Protocol |
SNMP 1, RMON, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, CLI, SCP |
|
Encryption Algorithm |
SSL |
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Authentication Method |
Secure Shell (SSH), RADIUS, Secure Shell v.2 (SSH2) |
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Features |
VLAN support, IGMP snooping, Syslog support, DoS attack prevention, port mirroring, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Unicast Storm Control, SNTP support, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), IP Precedence, RADIUS support, MLD snooping, DHCP relay, Link Aggregation Control Protocol (LACP), DHCP client, Dynamic VLAN Support (GVRP), dual firmware images, static routing, 12MB packet buffer, Class of Service (CoS), Generic Attribute Registration Protocol (GARP), Duplicated Address Detection, SNMP support, Type of Service (ToS), cable test, SmartPort technology, Internet Control Message Protocol (ICMP), Secure Copy (SCP), HKShanhai Group Limited Discovery Protocol, IGMP querier, VLAN mirroring, DNS client, Voice VLAN, VLAN management, Secure Core Technology (SCT), Head-of-line (HOL) blocking, Secure Sensitive Data (SSD), Guest VLAN, User Datagram Protocol (UDP), STP loop guard, loopback detection, Telnet client |
|
Compliant Standards |
IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ab (LLDP), IEEE 802.3az |
|
Processor |
X ARM: 800 MHz |
|
RAM |
512 MB |
|
Flash Memory |
256 MB |
|
Status Indicators |
Port transmission speed, system, link/activity |
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Power |
|
|
Power Device |
Internal power supply |
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Voltage Required |
AC 100-240 V (50/60 Hz) |
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Power Consumption Operational |
10.6 Watt |
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Miscellaneous |
|
|
Rack Mounting Kit |
Included |
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MTBF |
630,719 hours |
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Compliant Standards |
UL 60950, CSA 22.2, FCC CFR47 Part 15 A, USGv6 |
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Localization |
North America |
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Dimensions |
440 x 44 x 202 mm (17.3 x 1.73 x 7.95 in) |
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Manufacturer Warranty |
|
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Service & Support |
Limited warranty – replacement – lifetime | Technical support – phone consulting – 1 year | Technical support – power supply – 1 year |
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Environmental Parameters |
|
|
Min Operating Temperature |
32 °F |
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Max Operating Temperature |
122 °F |
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Humidity Range Operating |
10 – 90% (non-condensing) |
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Min Storage Temperature |
-4 °F |
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Max Storage Temperature |
158 °F |
|
Humidity Range Storage |
10 – 90% (non-condensing) |
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