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- Path: news.mahidol.ac.th!mucc!ccssl
- From: ccssl@mucc.mahidol.ac.th (Sanit Sanghlao - CC)
- Newsgroups: comp.dcom.modems
- Subject: Re: MultiTech CD remains "ON" after after try to used v25bis com.
- Date: 9 Jan 1996 07:36:22 GMT
- Organization: Mahidol University, Thailand
- Message-ID: <4ct5tm$4sr@mars.mahidol.ac.th>
- References: <4cj2vg$oqh@mars.mahidol.ac.th> <30F05440.354B@emc.com> <Pine.D-G.3.91.960108164110.4151A-100000@mucc.mahidol.ac.th>
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-
- Sanit Sanghlao - CC (ccssl@mahidol.ac.th) wrote:
- : On Sun, 7 Jan 1996, John Kyrka [jMK] wrote:
-
- : > Sanit Sanghlao - CC wrote:
- : > > After I tried to test V25bis command (to connect router with synch
- : > > port) with my MultiTech modem MT 2834BL, CD remains "ON" and down if have
- : > > no DTR. I used "AT$v1" to switch to v25bis mode.
- : > > Have any idea about this problem?
- : > > ==================================================================
- : > Snit,
- : > Correct me if I'm wrong, but doesn't the Multitech require you to set up
- : > and initialize BEFORE you enter the V.25bis mode? I believe the DIP
- : > switches and jumper plugs have to be set per the V.25 mode. I'm thinking
- : > that one of these is either mis-set or not jumpered properly, which could
- : > account for the CD remaining high (forced state).
- : > john
- : >
- : John,
- : Thank you for your reply, I have checked DIP switch that
- : indicated CD is fore to function normally ( not force "ON"). I have read
- : v.25bis document, CD is actived follow DTR whenever modem have not connected
- : ( I test it by used procomm when DTR state is "ON" then CD stateis "ON").
- : Now I tried to switch it to AT command mode but I can't to do.
- : Thanks you very much.
- : Snit
-
- On Mon, 8 Jan 1996, Todd Nodes wrote:
-
- > Hello Snit,
- >
- > The way I return to AT commands is to power off the modem. If the $V1 has
- > been stored, when powering on the modem hold the Voice Data switch in the up
- > position for about 5 seconds. This will leave just the DTR light on if it is
- > forced or coming from the system. This will clear the memory.
- >
- > Best Regards,
- > Todd
-