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3.2.5 Air Switch, Power Surge Protector, Ethernet Surge
Protector
We recommend to using CHNT air switch, DXH06-F power surge protector, and FRX-SL-RJ45
Ethernet surge protector.
3.2.6 Fiber Optical Transceiver and Switch (Optional)
We recommend to using industrial-grade switch and HF-500 fiber optical transceiver.