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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Cisco 4221 集成服务路由器旨在为小型企业分支机构环境提供高级服务。默认情况下,它提供 35Mbps 的吞吐量。凭借按需付费的性能,您可以通过购买许可证将转发容量增加到 75Mbps。
Cisco ISR4221/K9 规格 | |
总吞吐量 | 35 Mbps 至 75 Mbps |
板载 WAN 或 LAN 10/100/1000 端口总数 | 2 |
基于 RJ-45 的端口 | 2 |
基于 SFP 的端口 | 1 |
增强型服务模块插槽 | 0 |
双倍宽度服务模块插槽 | 0 |
NIM插槽 | 2 |
OIR(所有 I/O 模块) | 不 |
板载 ISC 插槽 | 不 |
默认内存双倍数据速率 3 (DDR3) 纠错码 (ECC) DRAM (组合控制/服务/数据 飞机 | 4GB |
最大内存 DDR3 ECC DRAM(组合控制/服务/数据平面) | 4GB |
默认内存 DDR3 ECC DRAM(数据平面) | 不适用 |
最大内存 DDR3 ECC DRAM(数据平面) | 不适用 |
默认内存 DDR3 ECC DRAM(控制/服务平面) | 不适用 |
最大内存 DDR3 ECC DRAM(控制/服务平面) | 不适用 |
默认闪存 | 8 GB |
最大闪存 | 8 GB |
外部 USB 2.0 插槽(A 型) | 1 |
USB 控制台端口 - B 型迷你(最高 115.2 kbps) | 0 |
串行控制台端口 - RJ45(最高 115.2 kbps) | 1(组合 CON/AUX 端口) |
串行辅助端口 - RJ45 (最多 115。2kbps) | 1(组合 CON/AUX 端口) |
电源选项 | 外部:仅交流电 |
冗余电源 | 不适用 |
交流输入电压 | 100 至 240 VAC 自动量程 |
交流输入频率 | 47 至 63 Hz |
交流输入电流范围,交流电源(最大) | 1.5 至 0.6A |
交流输入浪涌电流 | 峰值 90 A,每半周期小于 3 Arms |
典型功率(无模块)(瓦) | 24 |
交流电源最大功率(瓦) | 90 |
采用 PoE 电源的最大功率(仅平台)(瓦) | NA(不支持 PoE) |
PoE 电源可提供的最大端点 PoE 功率(瓦) | NA(不支持 PoE) |
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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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Pharetro Lorem | Pellentesque diam dolor elementum etos lobortis des mollis |
Milancelos | Donec pretium egestas sapien et mollis |
Pellentesque | Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras |
Proin Molestie | Pellentesque diam dolor elementum etos lobortis des mollis |
Cosmopolis | Donec pretium egestas sapien et mollis |
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