>visionsystems.de/Null-Modem 9PF-9PF (661.html)   Features RS232 Null-Modem Adapter DB9 female to DB9 female       Null-Modem 9PF-9PF Quick Link: | Features | Overview | Ordering Information | |   Overview The RS232 Null-Modem Adapter changes a DSUB9 male port into a DSUB9 female connector. The Adapter is not just a Gender Changer. RS232 requires different signals positions for male and female connectors, so this adapter exchanges those positions. Don't use it for RS422/485. Null-Modem 9PF-9PF is an optional accessory for NetCom Serial Device Servers. Null-Modem 9PF-9PF Null-Modem Adapter female, converts DB9-male to -female Accessory for Serial Device Server or USB to Serial Devices (Industrial Line) Changed Signals TxD/RxD (2/3), RTS/CTS (7/8), DTR/DSR (4/6) >Back to top         Ordering Information Art.No. 661 Product Name Null-Modem 9PF-9PF >Back to top