American Fibertek RR-94885SL - Manual (Page 7)

7
RR-94885SL DATA INPUT / OUTPUT CONNECTIONS
Data input and output connections are made via terminal blocks on the back of the MRX-
CDWM-8-MPD unit. See the drawings below for proper orientation of the input and output
connections for each of the two data channels. Please note that the far right pin on each
connection drawing corresponds with the far right terminal block pin on the unit.
TYPICAL SYSTEM DATA CONNECTIONS
An example of the RS422 or RS485 four wire interconnection between the 94885SL series unit
and the copper device to which it is attached is shown below. This illustration is based on
industry standard EIA terminology for the transmission of electronic data signals. Using this
terminology, the driver of an electronic signal is labeled TX or data out. Correspondingly, the
receiver of an electronic signal is labeled RX or data in. Not all manufactures follow standard
EIA terminology. Consult the installation instructions for your copper device if you are unsure
which two wires are the drive (data out) wires and which two wires are the receive (data in)
wires.
MTX-CDWM-8-MPD or MRX-CDWM-8-MPD
Please note that Data In on the RT-94885SL becomes Data Out on the RR-94885SL after going
across the fiber. The reverse flow follows the same orientation.