3 Configuration Units
3-3
Serial Communications Option Board
3-3-1
Models and Specifications
This section explains the specifications that are common to all types of Serial Communications Option
Boards.
Refer to 3-3-3 Part Names and Functions on page 3-22 for the specifications that differ depending on
the model.
3 - 20
COMM
SG0 RD SDER SG1 DR RS CS SHLD
RS-232C
RS-422A/485
Option Board
Option Board
(NX1W-CIF01)
(NX1W-CIF11/12)
NX-series NX1P2
CPU Unit
COMM
RDA- RDB+ SDA- SDB+ SHLD
NX-series NX1P2 CPU Unit Hardware User's Manual (W578)