
EasyCoder 3400e Bar Code Label Printer User’s Manual
Straight Through DTE to DCE Cable for Use with a Modem (Part Number 043237S)
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| METAL BACKSHELL | 
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| 
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| CHASSIS GROUND | 1 | |
| TRANSMITTED DATA | 2 | |
| RECEIVED DATA | 3 | |
| REQUEST TO SEND | 4 | |
| CLEAR TO SEND | 5 | |
| DATA TERMINAL READY | 20 | |
| SIGNAL GROUND | 7 | |
| 
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PRINTER
SHIELD
➤
➤
➤
➤
➤
25-PIN  (PLUG) D-SUB  METAL BACKSHELL
1CHASSIS GROUND
2TRANSMITTED DATA
3RECEIVED DATA
4REQUEST TO SEND
5CLEAR TO SEND
20DATA TERMINAL READY
7SIGNAL GROUND
MODEM
NOTE: The metal backshell is connected directly to the shield to achieve electrostatic discharge (ESD) immunity.
3XXXU.O12
Note: If you find that you are losing data, you may need to isolate the chassis ground from one of the two devices by connecting it to the shield.
RS-422  Intermec Pin Assignments
| 
 | 1 | 
 | |
| Input RxDB | 13 | + | |
| - | |||
| Input RxDA | 16 | ||
| 
 | |||
| Output TxDA | 14 | - | |
| + | |||
| Output TxDB | 19 | ||
| 
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PRINTER
SHIELD
➤ ➤
➤
➤
| 1 | NOTE: Connect pin 1 to shield | |
| at one end only. | ||
| 
 | 
19
14
16
13
HOST
3XXXU.013
Note: The host in this case includes Intermec products that support 
