Xerox Document Centre 400 series, Руководство пользователя

Страница: 143 / 185

131
Appendix
Appendix B Connector and Allocation Signals
B.2 Serial Interface
This section describes the serial interface (RS-232C interface).
Shape of the connector
This printer is installed with the RS-232C interface. The shape of the connector is as
follows:
Pin arrangement
The pin arrangement of the various signals is as follows:
Pin No. Signal Name I/O
1 Frame GND (FG) -
2 Transmitted data (TXD) O
3 Received data (RXD) I
4 Request to send (RTS) O
5 Clear to send (CTS) I
6 Data set ready (DSR) I
7 Signal GND (SG) -
8 - 10 (Reserved) -
11 - 17 Not Connected (NC) -
18 (Reserved) -
19 Not Connected (NC) -
20 Data terminal ready (DTR) O
21 - 25 Not Connected (NC) -
Looking fom the printer, "I" is the input signal and "O" is the output signal.
1
14
13
25