K... Where? Under TRUNK settings, I don't see "number of digits" exactly.... At the bottom, I see "overlap receiving inbound digits" set to 12 and five lines above that I see "number of DTMF Tones" set to 4, but not "number of digits". You have to talk really slowly and clearly when talking to me, you understand... :-) I'm pretty convinced that the hardware is all OK. I think all that happened really was the Telco's Pairgain HDSL T1 Modem had messed up, and while I was trying to figure out what was wrong with the Hiper DSP, I probably messed up a crucial setting. Once we gave up and plugged the T1 in to our old backup equipment, we then figured that the T1 didn't work in our older equipment either. We then reset the HDSL Modem and our old stuff came to life, but when we plugged it back into the DSP card, it was still no go. Since it's dead-air on both my DSP cards, I'm feeling OK that it's NOT dead DSPs, but rather messed up settings. ----- Original Message ----- From: "Joel - Fox Computers" <jfox@foxcomputers.com> To: <usr-tc@mailman.xmission.com> Sent: Wednesday, September 04, 2002 11:21 PM Subject: RE: [USR-TC] HELP: Lightning HiPerDSP Thinking about this some more - If you're getting dead air instead of busy signals, here's an idea: I had this happen where the phone company quit sending me DNIS digits for no apparent reason, got dead air answers because the cards were waiting for the digits and never getting them. In the trunk settings on your DSP - change the "number of digits" to zero and try that. Joel -----Original Message----- From: Support [mailto:support@inet2000.com] Sent: Thursday, September 05, 2002 12:04 AM To: usr-tc@mailman.xmission.com Subject: Re: [USR-TC] HELP: Lightning HiPerDSP Hi Lewis. I tried this with a LoopBack adapter that came with our Equinox Digital Modem Pools we used to have. When I initiate the Loopback test by setting the mode from NoLoop to Payload or Line, the LoopBack LED goes Yellow (test in progress) but it never comes back from yellow. Can you explain how the sequence should look? Perhaps the lookback adaptor I have is not the same - I haven't built my own yet, but will tomorrow. Actually, I think the T1 port is OK - at least the CAR light comes on green and the PairGain HDLS T1 modem's lights activate correspondingly, just that we get a dead-air answer. We've been though the trunk settings over and over, but I just don't see anything wrong. We get the same results on both cards, so we're back to trying a loopback to make sure the CAR lights aren't lying. So, if you could tell me what a successful loopback test should work like, I would be grateful. :-) Todd Chamberlain ----- Original Message ----- From: "Lewis Bergman" <lbergman@abi.tconline.net> To: <usr-tc@mailman.xmission.com> Sent: Tuesday, September 03, 2002 2:49 PM Subject: Re: [USR-TC] HELP: Lightning HiPerDSP
If you just want to check if the circuitry is OK on the DSP you should do a loopback test. You can also make a loopback adapter by crossing the pairs. Do a google search for "t1 loopback" and you'll see the pinout. -- Lewis Bergman Texas Communications 4309 Maple St. Abilene, TX 79602-8044 915-695-6962 ext 115
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