>visionsystems.de/Null-Modem 9PF-9PF (661.html)   Features Null-Modem Adapter DB9 female to DB9 female     Zoom in Picture Null-Modem 9PF-9PF Quick Link: | Features | Overview | Ordering Information | |   Overview The Null-Modem Adapter changes a DSUB9 male port into a DSUB9 female connector. As RS232 requires some signals exchange positions. The Adapter is not a Gender Changer. Null-Modem 9PF-9PF is an optional accessory for NetCom Serial Device Servers.   Ordering Information Art.No. 661 Product Name Null-Modem 9PF-9PF >Back to top