Rs-422 Serial Interface; Rs-485 Serial Interface - Intermec EasyCoder 3400e User Manual
Barcode label printer
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EasyCoder 3400e Bar Code Label Printer User's Manual
Use the RS-422 interface in long line point-to-point direct connect installations. The
printer cable must have the pin assignments for an RS-422 serial interface shown in the
table on this page.
Use the RS-485 serial interface for Multi-Drop installations only. The printer cable
must have the pin assignments for an RS-485 serial interface shown in the table on this
page.
Interface
Pin No.
RS-232/422/485
1
RS-232
2
RS-232
3
RS-232/422/485
4
RS-232/422/485
5
RS-232/422/485
7
RS-232/422/485
11
RS-422/485
13
RS-422/485
14
RS-422/485
16
RS-422/485
19
RS-232/422/485
20
C-8
Name
Operation
Chassis Ground
Connect to pin 1, chassis ground, of connected device.
(GND)
Transmit Data
Output: Connect to receive data pin of connected device.
(TD)
Receive Data
Input: Connect to transmit data pin of connected device.
(RD)
Request to Send
Output: When you use a modem, connect to modem RTS pin.
(RTS)
The modem sets RTS to true before transmission. The printer
sets RTS to false after transmission.
Clear to Send
Input: When you use a modem, connect to modem CTS pin. The
(CTS)
modem must set CTS true before the printer transmits data. If not
connected, CTS sets itself true.
Signal Ground
To enable communications, connect to signal ground of
(SG)
connected device. Completes circuit for all RS-232 signals.
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.
Input B
Input: Serial differential data to the printer.
Output A
Output: Serial differential data from the printer.
Input A
Input: Serial differential data to the printer.
Output B
Output: Serial differential data from the printer.
Data Terminal
Output: When you use a modem, connect to modem DTR pin.
Ready (DTR)
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.
NugFont
HelvC
C
39
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