Usb Port Connections - Datamax A-Class A-4212 Operator's Manual

2.2.2.3 USB Port Connections

The Universal Serial Bus port requires a standard USB cable.
This USB Port is a device-end only connection. Never attach a keyboard,
mouse, modem, etc. to this port; damage can result.
18
COM D RS-232 Cable
Host DB-9S
+5 VDC
1
2
RXD
TXD 3
GROUND
5
DTR 4
DSR
6
CTS 8
NC
9
NC
7
Part # 32-2603-00
Printer RJ45P
+5 VDC
1
TXD
4
RXD
5
GROUND
3
2 RTS
CTS
7
DTR
8
NC 6
A-Class