User`s manual

24 System Description
Matrix MXE-1000 Series
User’s Manual
2.4.3 Connector for LPT Port & USB
The CN21 is a proprietary 26-pin connector which provides both
LPT and USB functions. It’s designed to internally connect a LPT
or USB device, such as a LPT or USB dongle, inside the chassis.
Please refer the pin assignment showed below if you need to use
this connector.
PIN SINGAL PIN SIGNAL
1 nStrobe 2 Linefeed
3 Data0 4 nError
5 Data1 6 nInitialize
7 Data2 8 nSelect-Printer
9 Data3 10 GND
11 Data4 12 GND
13 Data5 14 GND
15 Data6 16 GND
17 Data7 18 GND
19 nAck 20 GND
21 Busy 22 USB-n
23 Paper Out 24 USB-p
25 Select 26 5V for USB
Table 2-7: Connector for LPT Port & USB