4420 and 4440 Bar Code Label Printer Users Manual
C-10
RS-232, RS-422, and RS-485 Serial Interface Pin Assignments
Interface
Pin No.
Name
Operation
RS-232/422/485
1
Chassis Ground
(GND)
Connect to pin 1, chassis ground, of connected device.
RS-232
2
Transmit Data
(TD)
Output: Connect to receive data pin of connected device.
RS-232
3
Receive Data
(RD)
Input: Connect to transmit data pin of connected device.
RS-232/422/485
4
Request to Send
(RTS)
Output: When you use a modem, connect to modem RTS
pin. The connection sets RTS to true before transmission.
The printer sets RTS to false after transmission.
RS-232/422/485
5
Clear to Send
(CTS)
Input: When you use a modem, connect to modem CTS
pin. Modem must set CTS true before the printer
transmits data. If not connected, CTS sets itself true.
RS-232/422/485
7
Signal Ground
(SG)
To enable communications, connect to signal ground of
connected device. Completes circuit for all RS-232 signals.
RS-232/422/485
11
Printer Status
(PS)
Output: When not using software flow control
(XON/XOFF), connect to input of connected device (for
example, CTS). Indicates printer mechanical status and
status of printer input buffer.
RS-422/485
13
Input B
Input: Serial differential data to the printer.
RS-422/485
14
Output A
Output: Serial differential data from the printer.
RS-422/485
16
Input A
Input: Serial differential data to the printer.
RS-422/485
19
Output B
Output: Serial differential data from the printer.
RS-232/422/485
20
Data Terminal
Ready (DTR)
Output: When you use a modem, connect to modem DTR
pin.
When using Intermec Standard protocol, this pin indicates
that the printer is switched on.
When using XON/XOFF or hardware flow control, this
pin indicates the printer mechanical status and the status
of the printer input buffer.
Summary of Contents for EasyCoder 4420
Page 1: ...4420and4440BarCodeLabelPrinter P N 066392 001 User s Manual ...
Page 12: ......
Page 13: ...Getting Started 1 ...
Page 14: ......
Page 30: ......
Page 31: ...Operating the Printer 2 ...
Page 32: ......
Page 48: ......
Page 49: ...FG 9pt Italic 1233 Maintaining the Printer 3 ...
Page 50: ...FG 9pt Italic 1233 ...
Page 62: ......
Page 63: ...Troubleshooting 4 ...
Page 64: ......
Page 71: ...Optimizing Printer Performance 5 ...
Page 72: ......
Page 88: ......
Page 89: ...Using Test and Service Mode 6 ...
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Page 104: ......
Page 105: ...Printer Specifications A ...
Page 106: ......
Page 115: ...Character Sets B ...
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Page 124: ......
Page 125: ...Communications Reference C ...
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Page 138: ......
Page 139: ...Glossary G ...
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Page 149: ...Index I ...
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