4-2. Interface Circuit
4-2-1. RS-232C Interface
Input (RXD, CTS)
Printer
Output (DTR, FAULT, TXD, RCH, RTS)
Printer
75188 or equivalent
4-2-2. RS-422A Interface
Input (RD, RS)
Printer
A
B
Output (SD, CS)
Printer
A
B
– 7 –
Host computer
Host computer
Host computer
Host computer