
193
  | Table   | |
  | DIP switch on serial board  | |
Switch  | ON  | OFF  | 
1  | 7 data bits  | 8 data bits  | 
2  | Parity checked  | No parity  | 
9+ Handshaking   | Table   | |
5  | Odd parity | IEvenparity | 
6  | 
  | 
  | 
7Data transfer 
~8
Table 
Handshaking protocols
Protocol  | 
  | Switch3  | Switch4  | 
Serial busy, 1 byte mode  | OFF  | 
  | OFF  | 
Serial busy, 1 block mode  | ON  | 
  | OFF  | 
,
I
ACK mode  | 
  | OFF  | ON  | 
  | 
XON/XOFF mode  | ON  | ON  | 
  | |
  | Table   | 
  | 
  | |
  | Data transfer rates  | 
  | 
  | |
Baudrate  | I Switch6  | I Switch7  | Switch8  | 
  | 
150  | I OFF  | I OFF  | OFF  | 
  | 
300  | GFb  | OFF | 
  | |
  | 
  | 
  | (3N  | 
  | 
600  | OFF  | ON  | OFF  | 
  | 
1200  | ]OFF  | I n.,  | ON  | 
  | 
IUIN  | 
  | |||
2400  | OFF  | OFF  | 
  | |
  | ION  | 
  | 
  | 
  | 
4800  | ON  | OFF  | ON  | 
  | 
  | ON  | ON  | OFF  | 
  | 
119200  | 10N  | 10N  | nxl  | I  | 
I ul~  | ||||
THE SERIAL PROTOCOLS
This printer has four serial protocols selected by DIP switches 3 and 4. Figure 
■Serial busy protocols
In the serial busy protocols, this printer uses DTR (pin 20) and RCH (pin 11) to signal to the computer when it is able to accept