Citizen Systems iDP3110 manual Printer

iDP3110 User's Manual

(3)Electrical characteristics

1)RS-232C circuit

Input (RD)

[PRINTER] [HOST]

MAX 232 equivalent	Mark = (-8V) : Stop bit
	Space = (+8V) : Start bit
Output (DTR)

MAX 232 equivalent

DTR (-8V) when BUSY (+8V) when READY

2) TTL circuit

Input (RESET)

7HC14 equivalent Set to LOW when reset

CITIZEN 17