Path: utzoo!attcan!uunet!munnari.oz.au!uhccux!robin From: robin@uhccux.uhcc.Hawaii.Edu (Robin Amano) Newsgroups: comp.sys.ibm.pc.hardware Subject: Re: Wiring for null modem cable Message-ID: <9655@uhccux.uhcc.Hawaii.Edu> Date: 2 Oct 90 22:01:26 GMT References: <='Q%5!=@rpi.edu> Reply-To: robin@uhccux.UUCP (Robin Amano) Organization: University of Hawaii Lines: 29 In article <='Q%5!=@rpi.edu> hydrox@itsgw.rpi.edu (Michael A. Hendrix) writes: >Can anyone supply me the wiring pattern for a null modem cable with a DB25 >connector on one end and a DB9 on the other end? I need to move some stuff >from my 286 to my laptop and need to wire a cable up for this....any help >would be greatly appreciated. DB25 DB9 2 TX -------------- 2 RX 3 RX -------------- 3 TX |- 4 RTS 7 RTS -| |- 5 CTS 8 CTS -| |- 6 DSR 1 DCD -| |- 8 DCD 4 DTR -| |- 20 DTR ------------ 6 DSR -| 7 GND ------------- 5 GND |- |- means jump together -- ------------------------------------------------------- Robin Amano | Internet: robin@uhunix.uhcc.hawaii.edu UHCC | robin@uhccux.uhcc.hawaii.edu 2565 The Mall | Honolulu, HI 96822