| Manufacturer: | CISCO |
| Manufacturer Part No: | SF250-48-K9-EU |
| General |
| Device Type: | Switch - 48 ports - smart |
| Enclosure Type: | Rack-mountable 1U |
| Subtype: | Fast Ethernet |
| Ports: | 48 x 10/100 + 2 x 10/100/1000 + 2 x combo Gigabit SFP + 2 x Gigabit SFP |
| Performance: | Switching capacity: 17.6 Gbps
Forwarding performance (64-byte packet size): 13.1 Mpps |
| Capacity: | MSTP instances: 8
Active VLANs: 256
QoS hardware queues: 4 |
| MAC Address Table Size: | 8K entries |
| Jumbo Frame Support: | 9KB |
| Routing Protocol: | IGMPv2, IGMP, IGMPv3 |
| Remote Management Protocol: | SNMP 1, RMON, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, CLI, SCP |
| Encryption Algorithm: | MD5, SSL |
| Authentication Method: | RADIUS |
| Features: | Flow control, 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, Quality of Service (QoS), DHCP server, reset button, fanless, LLDP support, DHCP relay, Link Aggregation Control Protocol (LACP), Port Security, DHCP client, Energy Efficient Ethernet, Management Information Base (MIB), Class of Service (CoS), 802.1x authentication, 24 MB packet buffer, Duplicated Address Detection, Type of Service (ToS), DiffServ Code Point (DSCP) support, cable test, Head of Line Blocking Prevention, Internet Control Message Protocol (ICMP) |
| 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 |
| Expansion / Connectivity |
| Interfaces: | 48 x 100Base-TX RJ-45
2 x 1000Base-T RJ-45
4 x 1000Base-X SFP
1 x USB Type A management |
| Power |
| Power Device: | Internal power supply |
| Voltage Required: | AC 120/230 V (50/60 Hz) |
| Power Consumption Operational: | 24.2 Watt |
| Miscellaneous |
| Rack Mounting Kit: | Included |
| MTBF: | 256,281.25 hours |
| Compliant Standards: | UL 60950, CSA 22.2, FCC CFR47 Part 15 A |
| Localisation: | Europe |
| Dimensions&Weight |
| Width: | 44 cm |
| Depth: | 25.7 cm |
| Height: | 4.4 cm |
| Weight: | 3.57 kg |
| Manufacturer Warranty |
| Service&Support: | Limited warranty - advance hardware replacement - 90 days - response time: 10 days |
| Environmental Parameters |
| Min Operating Temperature: | 0°C |
| Max Operating Temperature: | 50°C |
| Humidity Range Operating: | 10 - 90% (non-condensing) |
| Min Storage Temperature: | -20°C |
| Max Storage Temperature: | 70°C |
| Humidity Range Storage: | 10 - 90% (non-condensing) |
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