Description
Works with 95% of serial printers including HP, but not Fujitsu or OKI.
Pin-out is:
DB9 (PC) — DB25 (Prt)
1 CD — 4 RTS
2 Rx — 2 Tx
3 Tx — 3 Rx
4 DTR — 5,6 CTS,DSR
5 Gnd — 7 Gnd
6,8 DSR,CTS — 20 DTR
7 RTS — 8 DCD
Shield — Shield