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ZYXEL 48 端口 GbE 智能托管 PoE 交换机,带 GbE 上行链路
ZYXEL 48-Port GbE Smart Managed PoE Switch with GbE Uplink

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1.7"x17.4"x10.6"
24 端口 PoE + + 24 端口 GbE + 2 SFP 智能管理 v2
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提升您的购买力

  • 智能风扇和无风扇设计可在桌面和机架安装环境中实现几乎静音操作。
  • 基于浏览器的简单切换管理,配有快速简单地设置向导。
  • 通过用户友好的网络界面轻松管理高级功能。
  • 智能 IEEE 802.3at PoE+ 允许更多设备供电。
    • Smart fan and fanless design offer near silent operations in both desktop and rack-mount environment.
    • Easy browser-based switch management, with quick and easy set up wizard.
    • Manage advanced features easily through user-friendly web interface.
    • Intelligent IEEE 802.3at PoE+ allows to power more devices.
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ZYXEL 48 端口 GbE 智能托管 PoE 交换机,带 GbE 上行链路


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商品描述

Zyxel GS1900 系列提供 8/10/16/24/48 端口 GbE 智能管理交换机,具有千兆速度和基本管理功能,可为您的业务网络提供灵活性和连接。 GS1900 系列提供节能功能和完整的 IPv6 支持,以确保您的网络为将来扩展做好准备。 此外,PoE 型号支持 IEEE 802.3at ,每个端口最大功率 30 瓦。 GS1900 系列的智能风扇和无风扇设计让您的网络在办公室安静运行。

优点 | 体验静音操作

GS1900 系列包括无风扇和内置智能风扇型号。 智能风扇旨在根据设备温度自动调整速度,在 GS1900 系列运行时提供接近静音。 无论放在桌面上还是安装在机架上,都是您的办公环境。

多功能性和灵活性满足不同需求

完整的 Zyxel GS1900 系列具有 8/10/16/24/48 端口紧凑型台式机和具有 GbE 连接的机架安装尺寸的基本组合。 所有型号都支持多种部署方法,以满足小型办公室和会议室环境的需求,例如墙壁、桌子下或桌面安装和机架安装选项。 现在无需挂接即可快速轻松地享受高速商务网络应用。 此外,GS1900-10HP/ 24/24HPv2/48/48HPv2 配备了 2 个额外的 SFP 插槽,为长距离部署提供 100M 和 GbE 速度。

智能为更多设备供电(PoE 型号)

GS1900 系列的 PoE 型号支持 IEEE 802.3at ,每个端口提供最大 30 W,默认 PoE 消耗模式,仅提供网络设备所需的实际功率,保留其余的功率并优化其电源预算。 这意味着单一开关可以为更多 AP、IP 摄像机和 VoIP 电话供电,确保您的业务提供更好的 ROI。

简单、直观的巫师设置

对于想要提前管理其基础设施的小型企业,Zyxel GS1900 系列配有一个友好的内置基于 Web 的浏览器,用于简单的配置和管理。 此外,友好的分步直观向导有助于避免多个复杂的配置页面,以便在几分钟内快速设置,只需几次点击几分钟。 为了指导用户从启动、VLAN、访客 VLAN 到 QoS 设置,Zyxel 系列提供了四个最常见的步骤,并将它们合并到一个快速简单的设置向导中;这不仅节省部署时间和精力,还对非 IT 员工有帮助。

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此商品在美国亚马逊上最有用的商品评论

美国亚马逊: 3.8 颗星,最多 5 颗星 121 条评论
Mike Abretske
5.0 颗星,最多 5 颗星 Loud Sucker
2015年3月7日 - 已在美国亚马逊上发表
已确认购买
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Mike Abretske
5.0 颗星,最多 5 颗星 Loud Sucker
评论于 2015年3月7日 在美国 🇺🇸 发布
Okay - this switch is awesome. It's fast and the web pages update fast when you apply or save. There have been several complaints about the default ip address - really? So what, just re-configure it and move on. There have also been complaints about having to "apply" and then "save". Big deal, just do it, its really quick and snappy, so I don't see what the problem is. For a typical IT environment, this switch is the bomb if it meets your power requirements.

The ONLY downfall I have found with this switch is that it has NO SOFTWARE CONTROLLED FAN CONTROL. The three fans are full bore all the time. If you're putting this in an IT closet, stop reading now because this switch is for you!! If this switch is going to be around people, it's gonna be a problem. There are two high CFM fans running at full bore cooling the power supply at all times. There is one mid-high CFM fan running at full bore cooling the electronics at all times. Unfortunately from what I can/cannot find in the config/monitoring screens, the firmware does NOT monitor temperature or regulate the fan speed (even though the fans are wired for tachometer monitoring to the pcb). This switch might be perfect if they did this.

Mine is going in my master bedroom closet - so it's a problem. But I like it so much, I'm creating a solution. I will NOT be using the full 170W (initially), so I'm replacing the fans with lower CFM fans that are nearly silent. This will undoubtedly void my warranty.

If you want to reduce the noise and want to keep the same CFM, please note (and this means you too ZyXEL) that the fan body support arms on the installed fans DO NOT MATCH the pattern stamped in the side of the unit for ventilation (see images). This adds additional turbidity, reduces real CFM throughput and most certainly adds noise. If you get fans with matching CFM ratings and a support arm pattern that matches whats stamped on the switch chassis (it's very standard - the fans I bought matched and that's how I became aware of the issue to begin with), the unit will actually be cooler and quieter.. Or, you can get slightly lower CFM fans and have the same airflow with even less noise.

Regardless, you wont find a 24 port fanless POE switch. AND you wont find a quiet one. You'll have to make it... Once my full compliment of fans comes in, I'm going to completely re-engineer the airflow, provide heat spreaders from the high wattage components on the power supply to the sheet metal body and re-post the results, with a quiet 24 port POE switch.

*** EDIT 1/20/2016 ***

Airflow was re-engineered so all fans act on all parts. Additionally, all fans were replaced with quieter, lower CFM fans. Copper shims and thermal paste were also added along with electrical insulators to sink/spread the heat generated from the main power supply heat sinks to the sheet metal chassis. The unit puts out 20dB less noise. That cuts the noise by 98%, or arguably by at least 75% as perceived by the human ear (every 3dB is a 50% reduction, but as perceived by the human ear it's arguably every 6-9dB depending on who you talk to due to the logarithmic nature of human hearing). Bottom line is that when you make something half as loud, and then do it again once or twice more, it's no where near as annoying as it was to begin with - very tolerable now, and with it located in the master bedroom closet, with the door open, we don't hear it from the bed at night. Success!!

Images don't show the copper shims, thermal paste and electrical insulators - those were applied to the main PS heat sinks after the images were taken and then the cover smooshed on for good contact for proper thermal coupling. This may not have been necessary, but it's certainly staying cool and has been trouble free since modification.
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88 个人发现此评论有用
Geezer Geek
1.0 颗星,最多 5 颗星 Please read and save some money
2021年2月11日 - 已在美国亚马逊上发表
已确认购买
2 个人发现此评论有用