IBM 6400-i05, Руководство по установке

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RS-422
251
6400-i24 and -i2s Models
Receive Data (RXD). Serial data stream to the printer.
Clear To Send (CTS). Status signal to the printer indicating the host is ready
to receive data/status signals from the printer.
Data Set Ready (DSR). Status signal to the printer indicating the host is in a
ready condition.
Data Carrier Detect (DCD). Status signal to the printer. The ON condition is
required for the printer to receive data.
Transmit Data (TXD). Serial data stream from the printer for transmitting
status and control information to the host. Subject to protocol selection.
Request To Send (RTS). Control signal from the printer. Subject to
configuration.
Data Terminal Ready (DTR)
.
Control signal from the printer. Subject to
configuration.
RS-422
6400i Series Printers
Table 5. 6400-i24 and -i2s RS-232 Serial Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
Receive Data (RXD) 2 Transmit Status & Control
Data (TXD) 3 Chassis/Signal Ground 5
Clear To Send (CTS) 8 Request To Send (RTS) 7
Data Set Ready (DSR) 6 Data Terminal Ready (DTR) 4
Data Carrier Detect (DCD) 1
Table 6. 6400i Series RS-422 Serial Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
- Receive Data
(-RXD)
15 - Transmit Data
(-TXD)
19 Chassis Ground 1
+ Receive Data
(+RXD)
17 + Transmit Data
(+TXD)
25 Signal Ground 7