IBM 6400i Setup Manual page 251

6400-i24 and -i2s Models
Table 5. 6400-i24 and -i2s RS-232 Serial Interface Connector Pin Assignments
Input Signals
Signal Pin
Receive Data (RXD) 2
Clear To Send (CTS) 8
Data Set Ready (DSR) 6
Data Carrier Detect (DCD) 1
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 6. 6400i Series RS-422 Serial Interface Connector Pin Assignments
Input Signals
Signal
- Receive Data
(-RXD)
+ Receive Data
(+RXD)
Output Signals
Signal
Transmit Status & Control
Data (TXD)
Request To Send (RTS)
Data Terminal Ready (DTR)
Output Signals
Pin Signal
15 - Transmit Data
(-TXD)
17 + Transmit Data
(+TXD)
Miscellaneous
Pin Signal
3 Chassis/Signal Ground
7
4
Miscellaneous
Pin Signal
19 Chassis Ground
25 Signal Ground
RS-422
Pin
5
Pin
1
7
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