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SHORT HAUL MODEM (SHM-FSK)
3. Confirm that the jumpers on positions P1 and P2 are in the B-C position.
4. Replace the cover.
5. Connect the RS-232 communications port of the digital data device
(PC, PLC, etc.) to the SHM-FSK unit with an appropriate cable.
6. Connect the transmission line to the unit at the green pluggable terminal
block. There is no polarity requirement.
7. Connect the unit’s power cord at the black two-position pluggable
terminal block marked “PWR” (facing receptacle, + is on the left and - on
the right) and plug the modular transformer into a convenient 120-VAC
outlet. Plugging the power in will power up the units; there is no “On-Off”
switch.