Dillon FI-521 - Manual (Page 36)

FI-521 Indicator Operation & Service Manual
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26.3.8 JP8 Jumper Connector:
CONNECTED PINS FUNCTION
COM2 is used as RS232
COM2 is used as RS485
COM2 is not used
COM2 is not used
26.3.9 RXD2 and TXD2 Jumper Connector:
CONNECTED PINS
FUNCTION
TXD2 RXD2
COM2 is not used
COM2 is used as RS232
COM2 is used as RS485
26.3.10 JP3 Jumper Connector:
CONNECTED PINS FUNCTION
JP3-2,3 pin connected:
4 wires Load cell is used
JP3-1,2 pin connected:
6 wires load cell is used