Fairbanks PC2250 Utility Software - Manual (Page 38)

Section 6: Printers
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Remote Display
Utilizing the 20 mA serial current loop output will enable transmission to 1000 cable
feet. The use of interface cable part number 20903 is recommended.
The FB2250 should be programmed for Port 2, C-loop, 9600 baud, no parity and 1
stop bit. The FB2250 is passive, and does not supply the voltage for the current loop.
The remote display must be wired for 20 mA Active, and programmed to match the
FB2250.
Wiring: FB2250: TB4
1
Tx + Passive 20 mA Output Com 2
2 Tx – Passive 20 mA Output Com 2
Wiring: