網路交換機 S2952G-E 48x1G 和 4x1G SFP L2+ 管理型交換機
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NS-S2952G-E，48 埠千兆接取交換機，配備 4 個 1 Gbps SFP 上行鏈路
作為與思科、H3C、華為和銳捷並列的領先製造商，Network-Switch 以 OEM 品牌提供相同的高品質交換硬體。
我們的 NS‑S2900G-E V3 系列提供與銳捷 RG- 相同的性能、可靠性和功能集S2900G-E V3 型號－採用您自己的品牌，提供靈活的支援和定價選項。
概述
NS-S2952G-E 與銳捷的 RG-S2952G‑E V3 型號。它提供 48 個下行千兆連接埠和 4 個上行 SFP 連接埠。
它專為大型校園或企業網路存取而設計，支援第 2 層以上功能、第 3 層靜態路由、進階安全性、VSU 和 SDN 就緒。
強調
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更高的吞吐量：交換容量為 256 Gbps，轉送速度高達 132 Mpps。
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可靠的安全性：CPP、NFPP、DHCP 偵聽、ARP 檢查、IP/MAC 綁定、SSH、RADIUS/TACACS+ 支援。
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第 3 層路由支援：靜態IPv4/v6、RIP/RIPng、OSPF、VRRP、鄰居發現、代理ARP。
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虛擬化和 SDN：VSU 堆疊和 OpenFlow 1.0 支援。
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可調節、更安靜的運行：內建風扇，具有智慧速度控制，可平衡噪音和效能。
推薦配件
| 產品名稱 | 類別 | 描述 |
|---|---|---|
| NS‑PA100‑AC | 電源單元 | 冗餘交流熱插拔電源模組 |
| NS‑SFP‑1G‑SX | SFP收發器 | 1 Gbps 多模光纖模組 (850 nm) |
| NS‑SFP‑1G‑LX | SFP收發器 | 1 Gbps 單模光纖模組（1310 nm） |
| NS-SFP-10G-SR 光纖通道 | SFP+ 收發器 | 10 Gbps 多模光纖模組（用於未來上行鏈路升級） |
| NS‑RMK‑1U | 機架安裝套件 | 適用於 19 吋機架的標準 1U 安裝支架 |
| NS控制台RJ45 | 控制台電纜 | 用於管理的 RJ45 至 DB9/USB 控制台電纜 |
與類似型號比較
| 模型 | 連接埠（下行/上行鏈路） | 容量 | 遠期利率 | PoE支援 | 主要特點 |
|---|---|---|---|---|---|
| Ruijie RG‑S2928G‑E V3 | 24×1GbE + 4×1GbE SFP | 256 Gbps | 96兆位 | 沒有任何 | L2+/L3、VSU、無風扇、CPP/NFPP |
| 網路交換器(NS) S2928G-E | 24×1GbE + 4×1GbE SFP | 256 Gbps | 96兆位 | 沒有任何 | 在您的品牌識別下具有相同的規格 |
| Ruijie RG‑S2952G‑E V3 | 48×1GbE + 4×1GbE SFP | 256 Gbps | 132兆位元/秒 | 沒有任何 | 更高的端口密度， L2+/L3、VSU，強大的CPU保護 |
| 網路交換器(NS) S2952G-E | 48×1GbE + 4×1GbE SFP | 256 Gbps | 132兆位元/秒 | 沒有任何 | 與您的品牌具有相同的性能 |
規格摘要
| 範圍 | 規格 |
|---|---|
| 模型 | NS-S2952G‑E V3 |
| 下行鏈路端口 | 48 個 10/100/1000BASE-T |
| 上行鏈路端口 | 4 × 1 Gbps SFP（非組合） |
| 交換容量 | 256 Gbps |
| 轉送率 | 高達 132 Mpps |
| 連接埠緩衝區 | ~3 MB |
| ARP 表大小 | ~1,000 筆 |
| MAC位址表 | ~16,000 個條目 |
| 路由條目 | |
| IP 主機條目 | 500 個 IPv4/IPv6 條目 |
| ACL 條目 | 最多 1,500 |
| VLAN支援 | 4,096 個 VLAN，支援 QinQ |
| QoS機制 | 802.1p、DSCP、SP/WRR/DRR調度 |
| 虛擬化 | 支援 VSU（最多堆疊 9 個設備） |
| 路由協定 | 靜態、RIP/RIPng、OSPF、VRRP |
| SDN支援 | OpenFlow 1.0（未來 v1.3 已準備就緒） |
| CPU保護 | 可調式功率電廠/無氟電廠技術 |
| 安全功能 | DHCP 偵聽、ARP 檢查、IP/MAC 綁定、SSH、SNMPv3、RADIUS/TACACS+ |
| 風扇設計 | 帶速度控制的固定風扇 |
| 電源輸入 | 交流電100–240V；直流電可選192–290V |
| 耗電量 | ≤ 40 瓦 |
| 工作溫度/濕度 | 0–50 ℃，10–90% 相對濕度 |
| 尺寸（寬×深×高） | 440 × 260 × 43.6 毫米 |
| 機架高度 | 1U |
| 重量 | ~4.0公斤 |
| 平均無故障時間 | ~372,690 小時 |
| 防雷保護 | 6 KV 突波耐受力 |
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Refund Policy
At Network-switch.com, we aim to provide the best customer experience and ensure that your purchases meet your expectations. If for any reason you are not satisfied with your purchase, please read our return and refund policy below to understand your options.
Returns
You have the right to return products purchased from Network-switch.com under the following conditions:
- Eligibility for Return: Items can be returned within 30 days from the date of delivery, provided that the product is in its original condition, unused, and in the original packaging.
- Non-returnable Items: Certain items such as personalized or custom-made products, and items marked as non-returnable at the time of purchase, cannot be returned.
- Return Process: To initiate a return, please contact our customer support team at help@network-switch.com. You will be provided with instructions on how to return the product and obtain a return authorization number if necessary.
Refunds
- Refund Process: Once we receive your returned item and inspect it, we will process your refund to the original method of payment within 7 business days.
- Refund Conditions: Refunds will be issued for the purchase price of the item, excluding any shipping, handling, or other additional fees. If the product is returned damaged, used, or missing parts, a partial refund may be issued.
Exchanges
If you would prefer to exchange an item for a different size, color, or model, please follow the same return process. Once we receive the returned product, we will send the replacement at no additional charge, based on availability.
Shipping Costs
- Return Shipping Fees: You are responsible for paying the return shipping costs unless the item is defective, damaged, or incorrect.
- Refund for Shipping Costs: Shipping costs are non-refundable, except in the case of defective or incorrect items.
- Restocking Fees: You would be chagred about 30% of the product price when return the item, unless the item is defective, damaged, or incorrect.
Damaged or Incorrect Items
If you receive a damaged or incorrect item, please contact our customer service team within 7 days of receiving the product. We will exchange once the return is received.
Contact Us
If you have any questions or concerns about returns or refunds, please contact us at:
Email: help@network-switch.com
Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.
If there are irreparable defects in the device, you can return it to us for repair or replacement under our twelve-month warranty. Simply reach out to us, and we will provide you with a return code, our return address, and any additional instructions.
Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.