Industrial media converter with 1x RS-232 DB9 interface and 1x Fast Ethernet fiber optic port with 1x SM WDM SC 15-20km TX: 1550nm RX: 1310nm, transparent conversion of RS-232 signals for baud rates greater than 115200 baud, automatic adjustment and conversion of any RS-232 speed, transient and ESD protection for the RS-232 copper interface, relay contact for alarming in the event of a power failure, extended temperature range, power supply +7 to +30 VDC, power supply not included, fanless in a metal housing