48-Port Gigabit PoE with 4-Port 10-Gigabit Smart Switch CISCO SG250X-48P-K9-EU | Modem/Switch/Hub/Router

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48-Port Gigabit PoE with 4-Port 10-Gigabit Smart Switch CISCO SG250X-48P-K9-EU

Cập nhật cuối lúc 18:13 ngày 27/05/2020, Đã xem 369 lần

Đơn giá bán:	40 560 000 đ
Model:	SG250X-48P-K9-EU	Bảo hành:	12 Tháng
Tình trạng:	Còn hàng

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Chi tiết sản phẩm

48-Port Gigabit PoE with 4-Port 10-Gigabit Smart Switch CISCO SG250X-48P-K9-EU

- 48 10/100/1000 PoE+ ports with 382W power budget + 4 10 Gigabit Ethernet (2 x 10GBASE-T + 2 x SFP+).

- Performance: Switching capacity 176 Gbps, Forwarding rate 130.94 mpps wire-speed performance.

- Layer 2: Port grouping up to 4 groups, up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad link aggregation.

- Layer 3: IPv4 routing Wire-speed routing of IPv4 packets up to 32 static routes and up to 16 IP interfaces, IPv6 routing Wire-speed routing of IPv6 packets, Classless Interdomain Routing (CIDR) Support for CIDR.

- PoE: PoE Power Budget: 382 W, Number of Ports That Support PoE: 48.

- QoS (Quality of Service): Priority levels 8 hardware queues, Scheduling Strict priority and weighted round-robin (WRR) Queue assignment based on DSCP and class of service (802.1p/CoS).

Đặc tính kỹ thuật

Model	SG250X-48P-K9-EU
Performance
Switching capacity and forwarding rate	Capacity in Millions of Packets per Second (mpps) (64-byte packets): 130.94 Switching Capacity in Gigabits per Second (Gbps): 176
Jumbo frames	Frame sizes up to 10 KB supported on 10/100 and Gigabit Ethernet interfaces (9 KB for SG200-08 and SG200-08P)
MAC table	Up to 8,000 MAC addresses
Total system ports	48 Gigabit Ethernet + 4 10 Gigabit Ethernet
RJ-45 ports	48 Gigabit Ethernet
Uplink ports	2 10 Gigabit Ethernet copper + 2 SFP+
Layer 2 Switching
Spanning Tree Protocol (STP)	Standard 802.1d STP support Fast convergence using 802.1w (Rapid Spanning Tree [RSTP]), enabled by default
Port grouping	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 link aggregation
VLAN	Support for up to 256 VLANs simultaneously (out of 4096 VLAN IDs). 16 VLANs supported in SG200-08 and SG200-08P Port-based and 802.1Q tag-based VLANs
Voice VLAN	Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS
Internet Group Management Protocol (IGMP) versions 1 and 2 snooping	IGMP limits bandwidth-intensive multicast traffic to only the requesters; supports 256 multicast groups (16 for SG200-08 and SG200-08P)
Head-of-line (HOL) blocking	HOL blocking prevention
Security
IEEE 802.1X (Authenticator role)	802.1X: RADIUS authentication, MD5 hash
Port security	Locks MAC addresses to ports, and limits the number of learned MAC addresses
Storm control	Broadcast, multicast, and unknown unicast
DoS prevention	DoS attack prevention
Quality of Service
Priority levels	4 hardware queues
Scheduling	Strict priority and weighted round-robin (WRR) Queue assignment based on differentiated services code point (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)
Rate limiting	Ingress policer, per VLAN and per port
Power over Ethernet
802.3af PoE or 802.3at PoE+ delivered over any of the RJ-45 network ports within the listed power budgets	Switches support 802.3af, 802.3at, and Cisco pre-standard (legacy) PoE with maximum power of 30 W per port. This applies to the following PoE-enabled models; the maximum number of ports providing PoE power simultaneously is determined by the total PoE budget for the switch listed as below: PoE Power Budget: 382 W Number of Ports That Support PoE: 48
Pre-standard PoE	Support Cisco Pre-Standard PoE
Intelligent PoE power management	Support the granular power negotiation with CDP/LLDP communication with PD devices after IEEE classification
Environmental
Dimensions (W x H x D)	440 x 44 x 350 mm
Unit weight	4.84 kg
Power	100 to 240V 50 to 60 Hz, internal, universal

- Bảo hành: 12 tháng.

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