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網路交換機 S2928G-E 24x1G 和 4x1G SFP L2+ 管理型交換機

模型:
NS-S2928G-E
細節:
24 x 10/100/1000BASE-T ports, 4 x 1GE SFP ports. L2+ managed switch with advanced security and reliability features.
價格:
$210.00 USD
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有存貨 預購 缺貨
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New
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NS-S2928G-E,24 埠千兆接取交換機,配備 4 個 1 Gbps SFP 上行鏈路

Network-Switch 與思科、H3C、華為和銳捷並列為業界領先製造商,以 OEM 品牌提供完全相同的高品質交換硬體。我們的 NS-S2900G-E 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-S2928G-E 與 Ruijie RG-S2928G-E V3 型號。它配備 24 個千兆 RJ45 接入端口和 4 個專用 1 Gbps SFP 上行鏈路端口,非常適合企業園區或分支機構部署。

它支援二層以上交換,並具備基本的三層路由功能、VSU 虛擬化、高安全性和節能設計。無風扇設計,運轉安靜,非常適合對噪音敏感的環境。

強調

  • VSU 虛擬化:允許最多 4 台設備(建議)作為單一邏輯交換器運作。

  • 強大的 CPU 保護:CPP 和 NFPP 技術可防止 DoS 和 CPU 效能下降。

  • 第 2 層及基礎 L3 支持:VLAN、QinQ、LACP、靜態 IPv4/IPv6 路由、OSPF 和 VRRP。

  • 全面的安全:DHCP 偵聽、ARP 檢查、IP/MAC 綁定、ACL(IPv6 就緒)、SSH、SNMPv3。

  • 能源效率:無風扇機殼(低功耗)、EEE 支援、自動關機。

推薦配件

產品名稱 類別 描述
NS‑PA100‑AC 電源單元 100~240V交流電源輸入模組
NS‑SFP‑1G‑SX SFP收發器 1 Gbps 多模 850 nm 光纖模組
NS‑SFP‑1G‑LX SFP收發器 1 Gbps 單模 1310 nm 光纖模組
NS-SFP-10G-SR 光纖通道 SFP+ 收發器 10 Gbps 多模 850 nm 光纖模組
NS‑RMK‑1U 機架安裝套件 用於安裝在標準 19 吋機架中的套件
NS控制台RJ45 控制台電纜 RJ45 轉 DB9/USB 控制台管理電纜

 

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-S2928G-E
下行鏈路端口 24 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 96 Mpps
連接埠緩衝區 1.5 MB
MAC位址表 ~16,000 個條目
ARP 表大小 ~1,000 筆
路由條目 500 個 IPv4/IPv6 條目
ACL 條目 最多 1,500 個條目
VLAN支援 最多 4,096 個(QinQ、專用 VLAN、語音 VLAN 等)
QoS機制 802.1p、DSCP、多種佇列調度選項
虛擬化 支援 VSU(最多 9 個單元,建議 4 個)
CPU保護 可調式功率電廠/無氟電廠技術
第 3 層協定 靜態路由、RIP、OSPF、VRRP
SDN支援 OpenFlow 1.0(未來1.3)
安全功能 DHCP 偵聽、ARP 檢查、IP/MAC 綁定、ACL、SSH、SNMPv3
風扇設計 無風扇(溫控)
電源輸入 交流100–240V,直流192–290V可選
耗電量 ≤ 25 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 ≤3.5公斤
平均無故障時間 約30萬小時
防雷保護 6 KV 突波額定值

 

更多細節

品質認證

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靈活安全的付款和運輸

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退貨授權 (RMA) 流程

標準保固政策

原廠全新密封企業硬體:3年
原廠全新密封消費設備:1年

支持聯繫人

如果您的網路交換器產品發生故障,您必須聯絡您的銷售代表以確認產品故障。如果問題仍然無法透過遠端支援方式(例如電子郵件或電話支援)解決,則將啟動 RMA 流程。

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Frequently Questions and Answers

Q1: What is the NS-S2928G-E?

A: A 28-port L2+ managed switch with 24×GE downlinks and 4×1G SFP uplinks for cost-effective access.

Q2: What’s the switching capacity and forwarding rate?

A: Switching capacity is around 56 Gbps with ~41.7 Mpps forwarding.

Q3: Are the SFP uplinks combo or non-combo?

A: Four dedicated (non-combo) 1G SFP uplinks.

Q4: Does it support virtualization (VSU)?

A: Yes—multiple switches can operate as one logical device to simplify ops and failover.

Q5: What Layer-3 features are available?

A: L2+ with static routing and dynamic options like RIP/OSPF on the series.

Q6: Is IPv6 supported?

A: Yes—IPv6 features and management are supported across the series.

Q7: What security protections are built-in?

A: CPP/NFPP protect the CPU and mitigate common LAN attacks.

Q8: Does it support SDN?

A: Yes—OpenFlow (e.g., v1.3) is supported on the V3 series. RxTx

Q9: What loop and ring protections exist?

A: STP/RSTP/MSTP plus ERPS help prevent loops and speed recovery.

Q10: Is there cloud/remote management?

A: Yes—supports SNMP/CLI/Web and cloud-based management options.

Q11: How many VLANs can it handle?

A: Up to 4,094 VLANs typical for this series.

Q12: Any hardware interfaces besides data ports?

A: Front panel includes a console port and often a USB 2.0 for maintenance.

Q13: Is it fanless and quiet?

A: The series highlights fanless options for lower noise and dust ingress.

Q14: Does it have energy-saving features?

A: Yes—EEE (802.3az) helps reduce power consumption.

Q15: Typical use cases?

A: Enterprise/campus access, SMB aggregation, and fiber uplink scenarios.

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.

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