Appendix Printer Interface Connector (Serial): DP-210 Type: D-Sub 25-pin connector 13 1 2 14 Pin assignments 103 Pin Number Signal Name Signal Direction Function 1 FG - Frame ground 2 TXD Output Receive data from the TM printer. (TM Printer -> Computer) 3 RXD Input Transmit data to the TM printer. (Computer -> TM Printer) 6 DSR Input This indicates whether the display is ready to receive data from the TM printer. • [SPACE]: The TM printer can receive data. When the TM printer becomes ready to receive data SPACE is output. • [MARK]: The TM printer cannot receive data. If the TM printer becomes ready to receive data, MARK is not output.
7 GND - Signal GND 20 DTR Output Indicates whether the host is ready to receive data. • [SPACE]: The TM printer is ready to receive data. • [MARK]: The TM printer is not ready to receive data. 25 RESET Output Reset signal to the printer. (Computer -> TM Printer)