DNF Controls SW2X1-GPI Manuale d'uso - Pagina 9
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MODE SELECTION SW2X1-RS422 (2X1 /
1X2 MODE)
The SW2X1-RS422 supports two modes of operation.
a.
MODE 1
The unit operates in 2 in / 1 out mode.
This is the default mode. A jumper is installed over pins 1 and 2 on the
J3 header on the PCB.
The mode of operation is determined ONLY at POWER UP. Changing
the jumper after power up will have no effect. Power MUST be turned
off then on to change the SW2X1's MODE.
b.
MODE 2
The unit operates in 1 in / 2 out mode.
A jumper is installed over pins 2 and 3 on the J3 header on the PCB.
The mode of operation is determined ONLY at POWER UP. Changing
the jumper after power up will have no effect. Power MUST be turned
off then on to change the SW2X1's MODE.
Jumper Diagram for Mode 1
Jumper Diagram for Mode 2
SW2X1 User Manual
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