General
|
Product Description |
Cisco Small Business SG300-28 – 28 ports – managed – gigabit switch |
Device Type |
۲۸ Port – L3 – managed – gigabit switch |
Form Factor |
Rack-mountable – 1U |
Ports |
۲۶ x 10/100/1000 + 2 x combo mini-GBIC ports |
Power over Ethernet (PoE) Ports |
۰ |
Capacity |
Virtual interfaces (VLANs) : 256 |
MAC Addresses |
Up to 16,000 |
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) |
Features |
Layer 3 switching, layer 2 switching, DHCP support, BOOTP support, 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, firmware upgradable, 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), Jumbo Frames support, MLD snooping, fanless |
Jumbo Frame Support |
Frame sizes up to 10 KB |
Performance |
Switching capacity : 56 Gbps
Forwarding performance (64-byte packet size) : 41.67 Mpps |
Encryption Algorithim |
SSL |
Remote Management Protocol |
SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, SSH, CLI |
Status Indicators |
System, transmission speed, link/activity |
Connections |
Interfaces |
۲۶ x 10Base-T/100Base-TX/1000-TX – RJ45
۲ x SFP (mini-GBIC) |
Quality of Service |
Priority Levels |
۴ hardware queues |
Scheduling |
Strict Priority and weighted round-robin (WRR)
Queue assignment based on DSCP and class of service (802.1p/CoS) |
Class of Service |
Port based; 802.1p VLAN priority based; IPv4/v6 IP precedence/type of service (ToS)/DSCP based; Differentiated Services (DiffServ); classification and re-marking ACLs, trusted QoS |
Rate Limiting |
Ingress policer; egress shaping and rate control; per VLAN, per port, and flow based |
Power |
Power Device |
Power Adapter – internal |
Voltage Required |
۱۰۰-۲۴۰ VAC |
Electric Current Required |
۴۷-۶۳ Hz (operating) |
Energy Detect |
Automatically turns power off on Gigabit Ethernet and 10/100 RJ-45 port |
Cable Length Detection |
Adjusts the signal strength base on the cable length for Gigabit Ethernet models
Reduces the power consumption for cables shorter than 10m. |
Manufacturer Warranty |
Service & Support |
Limited Lifetime warranty |
Service & Support Details |
Limited warranty – replacement – response time: next business day – lifetime
Technical support – phone consulting – 1 year
Technical support – web support – 1 year |
Miscellaneous |
Localization |
North America |
Certification |
UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A |
Operating Temperature |
۳۲° to 104°F (0° to 40°C) |
Storage Temperature |
-۴° to 158°F (-20° to 70°C) |
Opertating Humidity |
۱۰% to 90%, relative, noncondensing |
Storage Humidity |
۱۰% to 90%, relative, noncondensing |
Dimensions |
Width |
۱۷.۳ in |
Depth |
۸ in |
Height |
۱.۵ in |
Weight |
۷.۳ lbs |
نقد و بررسیها
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