Tally T2030 - Serial Interface RS422;V.11 C B; Connector Assignment; Protocol Description B

Serial interface
RS422/V.11
Your printer’s serial interface supports the RS422 specification. The
signals are received and transmitted by a 15 pin connector.
5 lines are necessary for exchanging information between computer and
printer.
Connector assignment
Connector
no.
Direction Signal
1

FRAME GROUND
2
→
A TxD
4
←
A RxD
8

SIGNAL GROUND
9
→
B TxD
11
→
B RxD
Transmission length: max. 1200 m, depending on the transmission rate
Protocol description The protocols described in the section on the serial interface RS232C/V.24
are applicable.
4
B
Serial interface RS422/V.11
B - 9