Install The Jumpers And Ics On The Board; Replace The Electronics Cover; Replace The Media Cover - Intermec PM23c Installation Instructions Manual

7 Install the jumpers and ICs on the board to configure it for the type of
serial communication you want to use:
To configure the board as: Install these jumpers and ICs:
RS-232
RS-422
RS-485

8 Replace the electronics cover.

9 Replace the media cover.

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PM23c, PM43, PM43c UART+Industrial Interface Installation Instructions
*931-101-002*
P/N 931-101-002
1 Install a jumper on P3 so that the A is in the
middle of the jumper.
2 Install IC, 360-028-001 (MAX238) on SKT3
with pin 1 located where the arrow points to
SKT3 toward the bottom of the board.
1 Install jumpers on P4 and P5.
2 Install IC, 360-027-001 (MAX1490), across
sockets SKT1 and SKT4 with pin 1 located
where the arrow is pointing to SKT1 toward the
bottom of the board.
1 Install a jumper on P2.
2 (Optionally) Install a jumper on P5 if this
printer is going to be connected to the end of
the cable.
3 Install IC, 360-026-001 (MAX1480), across
SKT2 and SKT5 with pin 1 located where the
arrow is pointing to SKT2 toward the bottom
of the board.