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Hayes Modem AT Command Protocol
Appendix Q
Connections
The connections when using the Hayes Modem AT Command Protocol is shown below.
RS-232C Connection
Compatible Modems
Although most of the sequences in this protocol can be used regardless of modem, the sequences Initialize
Modem (specialized) and Dial sequences can be used only for the following Modems:
• MD24FB10V (OMRON Modem)
• MD144FB5V (OMRON Intelligent Modem)
•
ME1414B
III
, ME2814B
II
(OMRON FAX/DATA Modem)
For other modems, create a modem initialization sequence using the general-purpose Initialize Modem
sequence and dial using the Data Communications Sequence (Sequence No. 553).
Modem
Telephone line
Modem
Serial Communications Board
(CS Series only)
Serial Communications Unit
(CS/CJ Series)
FG
SD
RD
RTS
CTS
5V
DSR
DTR
SG
FG
SD
RD
RTS
CTS
DSR
SG
CD
ST2
RT
DTR
CI
ST1
Modem: D-sub
25-pin (female)
Serial Communications Board/Unit
D-sub 9-pin (female)
1
6
5
9
Summary of Contents for SYSMAC CJ1W-SCU21-V1
Page 3: ...iv...
Page 5: ...vi...
Page 9: ...x...
Page 15: ...xvi...
Page 89: ...60 Basic Operating Procedure Section 1 9...
Page 151: ...122 RS 232C and RS 422A 485 Wiring Section 3 4...
Page 173: ...144 Host Link Function for Replacing Existing PLCs Section 4 6...
Page 223: ...194 Enhanced Protocol Macro Functions Section 5 6...
Page 277: ...248 Communications Frames Section 6 8...
Page 291: ...262 Basic Operating Procedure in No protocol Mode Section 7 4...
Page 301: ...272 Auxiliary Area and CIO Area Allocations Section 8 3...
Page 391: ...362 Introduction Appendix A...
Page 421: ...392 CompoWay F Master Protocol Appendix B...
Page 513: ...484 E5 K Digital Controller Read Protocol Appendix F...
Page 571: ...542 E5ZE Temperature Controller Write Protocol Appendix I...
Page 587: ...558 E5 J Temperature Controller Protocol Appendix J...
Page 627: ...598 ES100 Digital Controller Protocol Appendix K...
Page 661: ...632 V500 V520 Bar Code Reader Protocol Appendix M...
Page 697: ...668 3Z4L Laser Micrometer Protocol Appendix N...
Page 717: ...688 Visual Inspection System Protocol Appendix O...
Page 755: ...726 V600 V620 ID Controller Protocol Appendix P...
Page 763: ...734 Hayes Modem AT Command Protocol Appendix Q...
Page 767: ...738 Changing Communications Port Settings Using STUP 237 Appendix R...
Page 781: ...752 Revision History...