
56,QWHUIDFH
Figure 38 illustrates the pin connections on the DB-25  connector at the rear of the printer that are used for the RS-485  communication protocol.
NOTE: XON/XOFF handshaking must be used for 
DB-25P 
Connector
to Printer
Data Input A 
Data Output A 
Data Input B (+)
Data Output B (+)
Figure 38
90  | Zebra Z4M/Z6M Printers User’s Guide |