2
Appendix
Rev. A
C o n fid e n tia l
If the electric potential of CS1 is higher than CS2, the TM series printer is ready for
communication (the host is ready to receive data). If the electric potential of CS1 is lower than
CS2, the TM series printer is not ready for communication (the host is not ready to receive data).
If the electric potential of DR1 is higher than DR2, the TM series printer is ready for
communication (the host is ready to receive data). If the electric potential of DR1 is lower than
DR2, the TM series printer is not ready for communication (the host is not ready to receive data).
DR1
DR2 Function
H
L
Communication is available
L
H
Communication is not available
RS-485 interface connector pin assignments and functions
Pin number
Signal name
I/O
Function
1
FG
—
Frame ground
2
SD1
O
Transmit data
3
RD2
O
Transmit data
4
RD1
I
Receive data
5
RD2
I
Receive data
Содержание TM-U200 Series
Страница 1: ...Confidential Technical manual TM U200 Series Type A AM English 400950100 Copied Date 199 Copied by ...
Страница 6: ...iv Confidential Revision Sheet Revision Page Altered Items and Contents Rev A ...
Страница 72: ...2 30 Mechanism Configuration and Operating Principles Rev A Confidential ...
Страница 172: ...6 Appendix Rev A Confidential Main Circuit Board Parts Layout ...
Страница 176: ...10 Appendix Rev A Confidential ...
Страница 186: ...Rev A Appendix A 20 TM U200 Series Type A AM Technical Manual Confidential ...
Страница 187: ...Confidential SEIKO EPSON CORPORATION Printed in Japan ...