Tally Genicom MATRIX PRINTER 2250 - Manual (Page 172)

Input signals
Output signals
Signal Function
CTS
DSR
RxD
Clear to Send
Data Set Ready
Receive Data
Signal Function
DTR
RTS
READY
TxD
Data Terminal Ready
Request to Send
Ready to receive data
Transmit Data
BACK QUIT
?
PRINT
Reference manual Interfaces
162