24 Port full optical Industrial switch, to 48 Port Industrial switch, 24 Port Industrial switch, 16 Port Industrial switch. The spec. from L3 Management, and L2 Management, the switch used widely indoor and outdoor for the large network group, eg. In the Industrial park, express way data capture, traffic cross control centre. Etc. This serial supply Industrial switch is a series of high performance managed Industrial switchElink 19” rack mounted