Toll-free: 3008-3088
Free standard shipping on orders over $99
Estimated to be delivered on 12/01/2022 - 15/10/2022.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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SG250-08 规格 | |
容量(以百万数据包每秒 (mpps) 为单位)(64 字节数据包) | 11.90 |
16.0 | |
生成树协议 (STP) | 标准 802.1d 生成树支持 使用 802.1w(快速生成树协议 [RSTP])实现快速收敛,默认启用 使用 802.1s (MSTP) 的多个生成树实例;支持 8 个实例 每 VLAN 生成树增强型 (PVST+) 和快速 PVST+ (RPVST+);支持 126 个实例 |
端口分组/链路聚合 | 支持 IEEE 802.3ad 链路聚合控制协议 (LACP) ● 最多 4 组 ● 每组最多 8 个端口,每个(动态)802.3ad LAG 有 16 个候选端口 |
虚拟局域网 | 同时支持最多 255 个活动 VLAN 基于端口和基于 802.1Q 标签的 VLAN 管理 VLAN 访客 VLAN |
语音 VLAN | 语音流量会自动分配到特定于语音的 VLAN,并采用适当级别的 QoS 进行处理。自动语音功能可实现全网语音端点和呼叫控制设备的零接触部署 |
通用 VLAN 注册协议 (GVRP) 和通用属性注册协议 (GARP) | 用于在桥接域中自动传播和配置 VLAN 的协议 |
头阻塞 | 队头 (HOL) 阻塞 |
IPv4 路由 | IPv4 数据包的线速路由 最多 32 个静态路由和最多 16 个 IP 接口 |
IPv6 路由 | IPv6 数据包的线速路由 |
系统端口总数 | 8 千兆以太网 |
RJ-45 端口 | 8 千兆以太网 |
组合端口(RJ-45 + SFP) | - |
USB 插槽 | 前面板上的 USB Type-A 插槽 |
按钮 | 重置按钮 |
电缆类型 | 对于 10BASE-T/100BASE-TX,非屏蔽双绞线 (UTP) 应为 5 类或更高等级;对于 1000BASE-T,应为 5e 类或更高等级 |
安装选项 | 桌面放置、机架安装(不包括 SG250-08 和 SG250-08HP)和壁挂安装 |
发光二极管 | 系统、链路/活动、PoE、速度 |
闪光 | 256 MB |
CPU 内存 | 512 MB |
数据包缓冲区 | 12 MB |
单位尺寸(宽 x 高 x 深) | 160 x 30 x 128 毫米(6.3 x 1.18 x 5.04 英寸) |
力量 | 100 至 240V 50 至 60 Hz,内部,通用: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-48P 100 至 240V 50 至 60 Hz,外部:SG250-08、SG250-08HP、SG250-10P |
认证 | UL(UL 60950)、CSA(CSA 22。2)、CE 标志、FCC 第 15 部分 (CFR 47) A 类 |
工作温度 | 32° 至 122°F(0° 至 50°C) |
存储温度 | -4° 至 158°F(-20° 至 70°C) |
工作湿度 | 10% 至 90%,相对湿度,无凝结 |
存储湿度 | 10% 至 90%,相对湿度,无凝结 |
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Milancelos | Donec pretium egestas sapien et mollis |
Pellentesque | Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras |
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