G-NET G-2D-FC20T/R Fiber Modem is one kind can offer RS422/RS485+RS232 serial  port  carry transparent optical fiber modem of transmission to get end to user, no need patch cords set up, switch over automatically, and can detect and examine the signal speed automatically, zero delays time to transmit automatically.This RS422/RS485+RS232 Fiber Modem adopt optic fiber transmit,working steady, data, such threats to communication equipment as the wave is welled up and interfered with electromagnetically that the effective one has prevented the abominable environment from being struck by lightning, can work in the abominable and dangerous environment reliably.It is widely used in occasions such as various industrial control, course controlling, traffic controlling and intellectual district , especially suit the bank, electricity and interfering with environment department and system with the special requirement electromagnetically

Features

• Extend 1CH Bidirectional Full Duplex RS422 or 2CH Bidirectional Half Duplex RS485+1CH  Bidirectional Half Duplex RS232 transmission up to 20Km over single fiber
• Transmit asynchronously, point to point or multi point
• Examine signal speed automatically, zero delay time
• Plug-and-Play(hot-pluggable, data format auto-sensing & self-adjusting)
• Support 600W surge protection and 15KV ESD protection
• Desktop,easy to install and use
• External power 5VDC supply

Specification

• G-3D-FC20TR