A-133
Appendices
CJ2 CPU Unit Hardware User’s Manual
A-4 Connecting to a Serial Port on the CPU Unit
App
A-4-3 Applicable Connectors and Recommended
Cables
z Applicable Connector and Recommended Cables
Use the following connectors and cables when making an RS-232C cable to connect to the RS-232C
port.
Applicable Connectors
CPU Unit Connector
Personal Computer Connector for IBM PC/AT Computer (9-pin Male Connector)
Recommended Cables
We recommend using the following shielded twisted-pair cables to provide noise resistance.
Fujikura Ltd.: UL2464 AWG28 × 5P IFS-RVV-SB (UL product)
AWG 28 × 5P IFVV-SB (non-UL product)
Hitachi Cable, Ltd.: UL2464-SB(MA) 5P × 28AWG (7/0.127) (UL product)
CO-MA-VV-SB 5P × 28AWG (7/0.127) (non-UL product)
Precautions for Correct UsePrecautions for Correct Use
Use the special cables provided from OMRON for all connections whenever possible. If cables
are produced in-house, be sure they are wired correctly. External devices and the CPU Unit may
be damaged if general purpose (e.g., computer to modem) cables are used or if wiring is not cor-
rect.
Item Model Specifications
Plug XM2A-0901 9-pin male Used together (One of each pro-
vided with CPU Unit.)
Hood XM2S-0911-E 9-pin, millimeter screws, static-resistant
Item Model Specifications
Plug XM2A-0901 9-pin female Used together
Hood XM2S-0913 9-pin, inch screws, static-
resistant
IBM PC/AT or compatible
Computer
(9-pin male
connector)
Plug:
XM2D-0901
(9-pin female)
CPU Unit
RS-232C
port
Hood: XM2S-0913
Recommended cable
Hood: XM2S-0911-E
Plug: XM2A-0901
Provided with the CPU Unit