FAQ
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My LTE device is set to automatically restart, but why doesn't it automatically restart at the designated time?
Update: 2026-07-13
4G devices automatically restart based on the Local Time displayed on the system homepage. The Local Time in the system settings must be accurate, and the correct time zone and country must be configured; otherwise, the restart time will not match.
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SIM card not read
Update: 2026-07-13
(1) First, upgrade to the latest firmware. (2) Check if the IMEI code is displayed. If not, it may be a 4G module malfunction. (3) Test the SIM card in another device. (4) Test with a different SIM card.
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What voltage DC Out can the WI-RSC302PD support?
Update: 2026-07-13
Provide DC 9V/12V/24V/48V DC@18W output
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What is the maximum transmission distance of a fiber optic media converter?
Update: 2026-07-13
20km
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What is the maximum power of PoE Input that the 802.3BT PoE Extender can support?
Update: 2026-07-13
802.3bt 90W
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What is the maximum power of PoE output that the 802.3AT PoE Extender can support?
Update: 2026-07-13
802.3af/at 30W
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What are the differences between WI-SFP51S-20KM C1, C2, and C3?
Update: 2026-07-13
The difference lies in the class: C1 is C+, C2 is C++, and C3 is C+++.
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Does the Solar Powered PoE Injector support cloud management?
Update: 2026-07-13
The solar-powered PoE power supply can be connected to the WI-IOT100 or IOT110 (V2) via its RS-485 interface for cloud management to view battery and solar charging information.
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What is the operating temperature?
Update: 2026-07-13
-20°C ~+70°C(Refer to “Derating Curve”)
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The L2+ switch can automatically obtain an IP address and show as online on the cloud platform, but why does it show as offline after setting a static IP address?
Update: 2026-07-13
When setting a static IP address for an L2+ switch, a static route needs to be configured to point to the gateway address because the gateway address cannot be found.