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Zyxel Switch DC Power Installation Guide
Precautions: Ensure the DC PSU is disconnected before installation. To reduce the risk of electric shock, properly ground the switch according to the User Guide (page 50 of XMG2230 series for example) before operation. If you cannot verify grounding, contact a certified electrician for assistance. High-voltage DC PSUs and…
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Which transceivers are compatible with my switch?
To find out which transceivers are compatible with your switch, please go to the Download Library, download your switch's datasheet, and check the Transceivers table. For example:
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What is the fan connector pin layout on the XS1930-12HP for fan replacement?
The pin order for the fan connector is: PIN1: Red = +12V PIN2: Yellow = Sensor PIN3: Black = GND Please also note: A fan that meets our design specifications will run at low speed when the device is powered on, and will increase speed as the device's internal temperature rises. Some non-spec fans may not start running…
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Can I use third-party modules/transceivers with Zyxel switches?
Q: Can I use third-party modules or transceivers with Zyxel switches? A: We strongly recommend using official Zyxel modules/transceivers to ensure optimal performance, full feature compatibility, and long-term network stability. Please note the following: Stability & Compatibility: Non-Zyxel transceivers are not fully…
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How to connect to the Web GUI (Default IP: 192.168.1.1) and troubleshooting
To access the web management GUI of a device with the default IP 192.168.1.1, please follow these steps: Physical Connection: Connect your PC to the device using a Cat.5 or Cat.5e Ethernet cable. Subnet & IP Setup: Ensure your PC is in the same subnet (192.168.1.0/24). You can configure a static IP (e.g., 192.168.1.x/24,…
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Why Does LibreNMS Detect a Zyxel Switch as a ZyWALL, and How to Correct It?
Why is my Zyxel switch (XMG/GS/XGS/CX series, etc.) identified as a ZyWALL instead of a ZyXEL Ethernet Switch in LibreNMS? Root cause: The XMG/GS/XGS/CX series are missing from LibreNMS OS detection. Please follow the steps below to update both configuration files (zynos.yaml and zywall.yaml). Here, the XMG series is used…
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What happens to the local GUI once the switch is connected to and managed by Nebula?
Once a NebulaFlex switch connects to the Nebula Control Center (NCC) and enters Cloud Management mode, its local Web GUI behavior changes. The setup wizard is no longer available, and the local advanced menu is limited to a focused set of basic troubleshooting and maintenance options (such as VLAN configuration), rather…
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GS1900-24 Firmware Upgrade Guide_Upgrading from v2.20 directly to Latest v2.90
Direct Upgrade Supported: The GS1900-24 switch running the older firmware version 2.20 can be updated directly to the latest version 2.90. Web UI Compatibility Issue: Due to the age of version 2.20, compatibility issues may occur with modern web browsers, causing the Web UI under [Maintenance] -> [Firmware] to render…
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Why is ZON functionality limited to Layer 2 environments?
```htmlWhy is ZON functionality limited to Layer 2 environments? The ZON (Zyxel One Network) utility was primarily designed for use in Layer 2 or single-domain environments. It focuses on small-scale deployments where device discovery, provisioning, and maintenance take place within the same broadcast domain. This means…
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How to Download the Zyxel ZON Utility?
```htmlHow to Download the Zyxel ZON Utility? To download the Zyxel ZON Utility, follow these simple steps: * Visit the Zon Utility Download Page. * Scroll down on the page to locate the contact information form. * Fill out your contact information in the form and click on 'Submit'. * Once submitted, Zyxel will email you…
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What to Do When PoE Stops Working After a Power Surge?
```htmlWhat to Do When PoE Stops Working After a Power Surge? It seems that the PoE (Power over Ethernet) section of your GS1900-10HP switch may not function properly after a power surge. While the switch continues to provide its regular switching functions, PoE functionality might be impaired. Here's what you can do to…
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Why should you use Zyxel GBICs to ensure stability?
```htmlBased on the reported issue, multiple ports (e.g., 1/44, 1/49, 1/50, etc.) showed abnormal CRC error records, and the GBICs in use were not Zyxel products. The environment's stability depends heavily on ensuring compatibility and optimal performance of hardware components. Using Zyxel GBICs is recommended for the…
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How to Resolve Connectivity Issues with Virtual IP in Windows NLB Multicast Mode
```htmlHow to Resolve Connectivity Issues with Virtual IP in Windows NLB Multicast Mode If you're experiencing connectivity issues with a virtual IP in a Windows NLB multicast mode setup, the following steps can help you resolve the problem: * Configure a 'Static Multicast Forwarding By MAC' entry for the NLB multicast MAC…
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How to check if the Zyxel switch sends the logs to syslog server?
Please try the following troubleshooting steps: Test Connectivity: Navigate to Maintenance > Diagnostic in the web GUI and attempt to ping the syslog server directly from the switch to confirm there is a valid path. Check Local Firewall (if you change syslog port): Confirm that the Linux system's firewall is explicitly…
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What RFC is Zyxel switch syslog using?
Q: What RFC is Zyxel switch syslog using? A: It is RFC3164.
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How Do I Find My Device's Default Password?
Try the password as 1234. This is a common factory default used on many Zyxel devices. If the password as 1234 doesn't work, look for a sticker label physically attached to your device (usually found on the bottom or back panel). The label typically contains the device's default login credentials, including the username…
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Why I can't login to my GS1900 web GUI?
Q. Why I can't login to my GS1900 web GUI? I type in the account & password and click the enter button, but nothing happens. A. This is more likely your account's password includes unsupported characters. Here is the character that GS1900 supports. Enter a password using the keyboard characters ("a – z", "A – Z", "0 – 9",…
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Why my switch has strange certificate?
Q: Why my switch has strange certificate? |-Subject : CN=GS1350 d8ece5ba42d3 A: This is the switch default certificate. You can upload your own certificate to your switch. Please navigate to MAINTENANCE > Certificates in the switch's interface. Here, you have the option to import your self-signed certificate. Choose your…
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Can I upload certificate to Zyxel switch?
The Zyxel switch, smart management series like GS1915 and higher-level switches, supports HTTPS certificates, with one HTTPS certificate pre-installed. To manage certificates, navigate to MAINTENANCE > Certificates in the switch's interface. Here, you have the option to import your self-signed certificate. Choose your…
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[Troubleshooting] PDs Not Powering Up or Unstable Connection with PoE Switch
If your powered device (e.g., an IP camera) fails to power on or frequently disconnects when connected to a Zyxel PoE switch, please follow this troubleshooting checklist: 1. Port Cross-Testing Swap the port to other PoE ports for cross testing. 2. Check Cable Material Ensure you are using CAT5e or CAT6 copper cables. 3.…