Humanity HM-C1-8V video multiplexer is able to transmit 1~8 channel forwarded video signal, one Ethernet and one bidirectional RS485 data over fiber.

Two extra service slots are offered to realize customize services.

Service	Description	Services/slot	Services/2xslots
Data	Bidirectional RS485	4channel	8channel
	Single direction RS485(forward/reversed)	4channel	8channel
	RS232	4channel	8channel
	Bidirectional RS422	2channel	4channel
	Single direction RS422(forward/reversed)	2channel	4channel
Audio	Bidirectional audio	4channel	8channel
	Single direction audio(forward/reversed)	8channel	16channel
	Bidirectional stereo audio	2channel	4channel
	Single direction stereo audio(forward/reversed)	4channel	8channel
Contact closure/key	Bidirectional contact closure	4channel	8channel
	Single direction contact closure(forward/reversed)	4channel	8channel
Telephone	4channel telephone	4channel	8channel