Olson Technology OTDL-FOM-01 - Manual (Page 5)

025-000500 Rev. X1 www.olsontech.com
5
PIN CONNECTIONS AND LED INDICATORS
Figure 2 — PIN Locations and LED’s
PIN Designation Meaning
Power Interface
GND Ground
DC In 9-25Volt Input
Optical Fiber Interface
IN Optical fiber input.
OUT Optical fiber output.
RS-422/485 Port
T+/D+ RS-422 Send + / RS-485 +
T-/D- RS-422 Send - / RS-485 -
R+ RS-422 Received +
R- RS-422 Received -
GND Ground
RS-232 Port
IN RS-232 Input
OUT RS-232 Output
GND Ground
LED Designation Meaning
Power Unit is powered.
RxD Optical interface is receiving data.
TxD Optical interface is transmitting data.