Intermec 3440 User Manual page 34

3440 Bar Code Label Printer User's Manual
Straight Through DTE to DCE Cable for Use with a Modem (Intermec Part Number 043237S)
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: 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
Input RxDB
Input RxDA
Output TxDA
Output TxDB
Note: The host in this case includes Intermec products that support RS-422. Non-Intermec controllers
may have different pin assignments.
1-14
1233*
SHIELD
1
2
3
4
5
20
7
PRINTER
NOTE: The metal backshell is connected directly
to the shield to achieve electrostatic discharge
(ESD) immunity.
SHIELD
1
+
13
-
16
-
14
+
19
PRINTER
FranklinGothic Helv Condensed
25-PIN (PLUG) D-SUB
METAL BACKSHELL
1
CHASSIS GROUND
2 TRANSMITTED DATA
3 RECEIVED DATA
4
REQUEST TO SEND
5 CLEAR TO SEND
20 DATA TERMINAL READY
7 SIGNAL GROUND
MODEM
3440U.071
NOTE: Connect pin 1 to shield
1
at one end only.
19
14
16
13
HOST
3440U.070