4 - 4
TM
CHAP. 4
TECHN
…
U6&U8 : Font and BIOS socket
This socket is used to install BIOS and character font. Each type of printer
requires different BIOS and character font. For example, the BIOS for friction
type mechanism and the BIOS for sprocket type mechanism are different.
JUMPERS & SWITCHES
Jumper Setting (Interface Select)
INTERFACE
JP3 JP4
JP6-JP13
JP14
JP15
SERIAL PORT
OPEN
1-2 SHORT 1-2 SHORT SHORT
PARALLEL PORT
2-3 SHORT 2-3 SHORT 2-3 SHORT OPEN
When using either interface, the connector of the other interface must be
disconnected. DIP SW3 and DIP SW4 have to be turned off when parallel
interface is used.
Serial Interface Switch
DIP - SW1
Switch
Function
ON
OFF
1-1
Data transmission
1-2
Rate (baud rate )
See next table
1-3
1-4
Not used
1-5
Hand shake
DTR mode
X-ON/X-OFF mode
1-6
Data bit
8-bit data
7-bit data
1-7
Parity check
No parity check
Parity check
1-8
Parity selection
Odd parity
Even parity
Содержание PP3000 Series
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