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SG250-50

Производитель: Cisco
Код товара: SG250-50 - Cisco 250 Series Smart Switches
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Характеристики
Buttons Reset button
Cabling Type Unshielded Twisted Pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5e or better for 1000BASE-T
Capacity in millions of packets per second (mpps) (64-byte packe 74.41
Certification UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
Combo Ports (RJ-45 + SFP) 2 Gigabit Ethernet combo
CPU memory 512 MB
Flash 256 MB
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Protocols for automatically propagating and configuring VLANs in a bridged domain
HOL blocking Head-Of-Line (HOL) blocking
IPv4 routing Wire-speed routing of IPv4 packetsUp to 32 static routes and up to 16 IP interfaces
IPv6 routing Wire-speed routing of IPv6 packets
LEDs System, Link/Act, PoE, Speed
Mounting options Desktop placement, rackmount (excluding SG250-08 and SG250-08HP) and wall-mount
Operating humidity 10% to 90%, relative, noncondensing
Operating Temperature 32° to 122°F (0° to 50°C)
Packet Buffer 24 Mb
Port grouping/link aggregation Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)● Up to 4 groups● Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad LAG
Power 100 to 240V 50 to 60 Hz, internal, universal: SF250-24, SF250-24P, SF250-48, SF250-48HP, SG250-26, SG250-26HP, SG250-26P, SG250-50, SG250-50HP, SG250-50P, SG250X-24, SG250X-24P, SG250X-48, SG250X-48P100 to 240V 50 to 60 Hz, external: SG250-08, SG250-08HP, SG250-10P
RJ-45 Ports 48 Gigabit Ethernet
Spanning Tree Protocol (STP) Standard 802.1d spanning tree supportFast convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by defaultMultiple spanning tree instances using 802.1s (MSTP); 8 instances are supportedPer-VLAN Spanning Tree Plus (PVST+) and Rapid PVST+ (RPVST+); 126 instances are supported
Storage humidity 10% to 90%, relative, noncondensing
Storage temperature -4° to 158°F (-20° to 70°C)
Switching capacity in gigabits per second (Gbps) 100.0
Total System Ports 50 Gigabit Ethernet
Unit dimensions (W x H x D) 440 x 44 x 257 mm (17.3 x 1.73 x 10.12 in)
USB slot USB Type-A slot on the front panel of the switch for easy file and image management
VLAN Support for up to 255 active VLANs simultaneouslyPort-based and 802.1Q tag-based VLANsManagement VLANGuest VLAN
Voice VLAN Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide zero-touch deployment of voice endpoints and call control devices
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