Postek G-2108 - Page 41

G-2108/G-3106 User’s Manual Appendix A: Interface Specifications
37
– Baud rate: 9600, 19200, 38400, 57600
– Data format: always 8 data bits, 1 start bit and 1 stop bit.
– Parity: always non parity.
– Flow control: RTS/CTS (Hardware flow control).
If you are using software or drivers under the Windows environment, the flow control must be set to “hardware.”
– Any communications port can transmit data from the host (RS232, Ethernet, or USB). Preliminary
communications settings are not required since the printer will automatically detect which port is active.
Note: Never send data from 2 ports at the same time. Data cannot be sent to more than one port simultaneously or data
corruption and print errors may occur.
Parallel (Centronics)
The parallel port is a standard 36-pin Centronics interface. Its pin assignments are as follows:
Pin
Direction
Definition
Pin
Direction
Definition
1
In
/STROBE
13
Out
SELECT
2
In
Data 1
14,15
NC
3
In
Data 2
16
-
Ground
4
In
Data 3
17
-
Ground
5
In
Data 4
18
NC
6
In
Data 5
19~30
-
Ground
7
In
Data 6
31
NC
8
In
Data 7
32
Out
/Fault
9
In
Data 8
33~36
-
NC
10
Out
/ACK
11
Out
BUSY
12
Out
PE
Any communications port can transmit data from the host (Centronics, RS232, Ethernet, and USB). Preliminary
communications settings are not required since the printer will automatically detect which port is active.
Note: Never send data from 2 ports at the same time. Data cannot be sent to more than one port simultaneously or data
corruption and print errors may occur.