Rockwell Automation 2755 StrataScan Bar Code Readers - Manual (Page 54)

Cable Pinouts B–2
Publication 2755-6.13
The following sections provide the pinouts for the StrataScan Bar
Code Readers (Catalog Nos. 2755-LHR-5B,-3C, -5C and 5BX1).
RS-232 Port
1 13
14 25
Pin Signal Function
1 GND Chassis ground
2 RXD Reader receives data from the host device.
3 TXD Reader transmits data to the host device.
4 CTS Input Reader is requesting data from the host device.
5 RTS Output Host device is requesting data from the reader.
6 Not Used Pin not used.
7 GND Signal ground
8 Not used Pin not used.
9 RXB– Reader receives data from the host device (RS-422).
10 RXA+ Reader receives data from the host device (RS-422).
11 TXY+ Host transmit data to the reader (RS-422).
12 TXZ– Host transmit data to the reader (RS-422).
13 GND Ground
14 GND Ground
15 Not Used Pin not used.
16 Not Used Pin not used.
17 Not Used Pin not used.
18 Not Used Pin not used.
19 Not Used Pin not used.
20 DTR Input The data terminal is ready.
21 Not Used Pin not used.
22 Not Used Ground
23 Not Used Pin not used.
24 Not Used Pin not used.
25 GND Ground
Reader Pinouts