(usr-tc) Hiper DSP Transmit level setting
I am curious to see what others using Hiper DSP code 2.0.51 are using for their Transmit Level (-db) setting on their Hiper DSP cards? Ours are currently at 12 -db. Thanks, Clint R. Sparks ComQuest Internet Services csparks@cqc.com - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
We moved all of ours from 12 to 13. No definitive change in performance. I have been seeing a lot of handshaking problems coming up. But our CLEC is moving a lot of traffic off of the 2 tandems here in North Jersey over to direct end-office trunking. They may still be ironing things out. But if it doesn't clear up, I may try switching some cards back to -12. -- Scot NJ Internet Access
-----Original Message----- From: owner-usr-tc@lists.xmission.com [mailto:owner-usr-tc@lists.xmission.com]On Behalf Of Clint R. Sparks Sent: Sunday, March 05, 2000 4:22 PM To: usr-tc@lists.xmission.com Subject: (usr-tc) Hiper DSP Transmit level setting
I am curious to see what others using Hiper DSP code 2.0.51 are using for their Transmit Level (-db) setting on their Hiper DSP cards? Ours are currently at 12 -db.
Thanks,
Clint R. Sparks ComQuest Internet Services csparks@cqc.com
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What's the best init string to disable v.90 & x2 on hiperdsp modems? thx, -- Aaron Nabil - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
AT&K0S51.6=1S76=7S81=34S54=96 is what we use here for our alternate dialin number. This disables x2, v.90, v.42bis compression, MNP 5 compression, and the 3429 symbol rate -- pretty much everything that could possibly go wrong with a 33.6K or a 56K modem. :) (Except for Mode 2 DLCs which cut connect speed down to 12K or so -- we hav a 3rd dialin number that adds &N6 to the string for that case.) Mike Andrews (MA12) * mandrews@dcr.net * http://www.bit0.com/ VP, sysadmin, & network guy, Digital Crescent Inc, Frankfort KY Internet services for Frankfort, Lawrenceburg, Owenton, Shelbyville "Don't sweat the petty things, and don't pet the sweaty things." On Wed, 8 Mar 2000, Aaron Nabil wrote:
What's the best init string to disable v.90 & x2 on hiperdsp modems?
thx,
-- Aaron Nabil
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On Thu, 9 Mar 2000, Mike Andrews wrote:
AT&K0S51.6=1S76=7S81=34S54=96 is what we use here for our alternate dialin number. This disables x2, v.90, v.42bis compression, MNP 5 compression, and the 3429 symbol rate -- pretty much everything that could possibly go wrong with a 33.6K or a 56K modem. :)
You might want to use S81=32, unless you have some inside knowledge about what bit 1 does that isn't in the documentation. In which case, you should share. :) -a - To unsubscribe to usr-tc, send an email to "majordomo@xmission.com" with "unsubscribe usr-tc" in the body of the message. For information on digests or retrieving files and old messages send "help" to the same address. Do not use quotes in your message.
Heh. I couldn't remember offhand, so I had to go dig around and find it... but I finally did find it, doing a "grep -i s81 *mib". Bit 1 is for enabling/disabling "x2 Version 2". Mike Andrews (MA12) * mandrews@dcr.net * http://www.bit0.com/ VP, sysadmin, & network guy, Digital Crescent Inc, Frankfort KY Internet services for Frankfort, Lawrenceburg, Owenton, Shelbyville "Don't sweat the petty things, and don't pet the sweaty things." On Fri, 10 Mar 2000, Aaron Nabil wrote:
On Thu, 9 Mar 2000, Mike Andrews wrote:
AT&K0S51.6=1S76=7S81=34S54=96 is what we use here for our alternate dialin number. This disables x2, v.90, v.42bis compression, MNP 5 compression, and the 3429 symbol rate -- pretty much everything that could possibly go wrong with a 33.6K or a 56K modem. :)
You might want to use S81=32, unless you have some inside knowledge about what bit 1 does that isn't in the documentation. In which case, you should share. :)
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participants (4)
-
Aaron Nabil -
Clint R. Sparks -
Mike Andrews -
Scot Desort