Specifications

Connectors
EPC-100 Hardware Reference C-3
RS-232 Ports (COM A, COM B)
The RS-232 serial port male DB-9 DTE connectors are defined as follows:
Pin Signal Pin Signal
1 Carrier detect 6 Data set ready
2 Receive data 7 Request to send
3 Transmit data 8 Clear to send
4 Data terminal ready 9 Ring indicator
5 Signal Ground
Table C-3. DB-9 Pin-Out.
Parallel Port
The LPT1 parallel port is an IEEE1284 EPC/EPP bi-directional female DB-25
connector defined as follows:
Pin Signal Pin Signal
1 Strobe 14 Auto line feed
2 DB0 15 Error
3 DB1 16 Initialize printer
4 DB2 17 Select in
5 DB3 18 Signal ground
6 DB4 19 Signal ground
7 DB5 20 Signal ground
8 DB6 21 Signal ground
9 DB7 22 Signal Ground
10 Acknowledge 23 Signal ground
11 Busy 24 Signal ground
12 Paper End 25 Signal ground
13 Select
Table C-4. DB-25 Pin-Out.