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EasyCoder 3400e Bar Code Label Printer User’s Manual
HelvC
NugFont
C39
C-10
Straight Through DTE to DCE Cable for Use with a Modem (Part Number 043237S)
SHIELD
PRINTER
25-PIN (PLUG) D-SUB
METAL BACKSHELL
CHASSIS GROUND
TRANSMITTED DATA
RECEIVED DATA
REQUEST TO SEND
CLEAR TO SEND
DATA TERMINAL READY
SIGNAL GROUND
25-PIN (PLUG) D-SUB
METAL BACKSHELL
CHASSIS GROUND
TRANSMITTED DATA
RECEIVED DATA
REQUEST TO SEND
CLEAR TO SEND
DATA TERMINAL READY
SIGNAL GROUND
NOTE: The metal backshell is connected directly
to the shield to achieve electrostatic discharge
(ESD) immunity.
MODEM
➤
➤
➤
➤
➤
1
2
3
4
5
20
7
1
2
3
4
5
20
7
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
3XXXU.013
PRINTER HOST
NOTE: Connect pin 1 to shield
at one end only.
1
13
16
14
19
1
19
14
16
13
➤
➤
Input RxDB
Input RxDA
Output TxDA
Output TxDB
+
-
-
+
➤
➤
SHIELD
Note:
The host in this case includes Intermec products that support RS-422. Non-
Intermec controllers may have different pin assignments.