MFJ-C From: KT0H@KT0H.#NECO.CO.USA JKISS software works with the MFJ C-series using the (now) "standard" modification(s): 1) Remove IC U40 (CD74HCT374E) 2) Ground Pin #16 of the U40 IC socket Additionally, the MFJ-9600 modem works AOK in this configuration too, up to and including an RS232 port speed of 19200. 73 - Dave, KT0H