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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該 JL557A 具有 48 個 10/100/1000 PoE+ 連接埠和 4 個 1000/100 SFP 收發器插槽,用於上行鏈路連接。支援 PoE+,功率預算為 740 瓦。阿魯巴 2930F
JL557A規格 | |
類型 | 阿魯巴 2930F 48G PoE+ 4SFP 740W |
港口 | (48) 個 RJ-45 自動感應 10/100/1000 PoE+ 端口 (4)光模組 |
記憶體和處理器 | 雙核心 ARM Coretex A9 @ 1016 MHz 1 GB DDR3 SDRAM 封包緩衝區大小:12.38 MB 4.5MB 入口/7.875MB 出口 4GB 快閃記憶體卡 |
管理 | 阿魯巴航空波 中央網路管理 IMC-智慧管理中心 命令列介面 網頁瀏覽器 配置選單 SNMP管理器 遠端登入 遠端監控1 文件傳輸協定 帶外管理(串行 RS-232C 或微型 USB) |
1000 Mb 延遲 | < 3.8 µs(64 位元組資料包) |
10 Gbps 延遲 | < 1.6 µs(64 位元組資料包) |
吞吐量 | 高達 112.0 Mp/s |
176 Gb/秒 | |
方面 | 1.73 x 17.42 x 12.77 英寸 |
輸入電壓 | 100-127 / 200-240 VAC,額定 |
耗電量 | 980 瓦(最大) |
散熱 | 420.9 BTU/小時(444.1 kJ/小時) |
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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.
Drostique | Nam tempus turpis at metus scelerisque placerat nulla deumantos |
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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