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About griggs

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  1. griggs

    Post Your Power Cycle Count

    Shows 44171 now... Is the abnomality universal?
  2. griggs

    Post Your Power Cycle Count

    My older Quantum Bigfoot TX12 (and still boot disc) indicates: Power On Hours : 44160 (5+ years) Stop start cycle count : 783
  3. MOV. I guess it could be described as a zener. The heat shrink is to limit the damage path when it goes....
  4. 22 AWG has a maximum rating of 7 amps. It also has a resistance of ~16 milliohms per foot. Thus, if there were exactly 30 amps flowing, the wire was dissipating about 14.4 watts per foot. That's a lot of heat for a small wire....
  5. If you were to purchase a lab power supply, you would get everything you need. The minimum supply would display voltage and current information. Some have serial or GPIB interfaces where you can have the supply tell you the current voltage and current. Just depends how much you want to spend..... Ebay is a good option for used test equipment. I don't know exactly how I be of help, but this is what I do for a living....
  6. First of all, sorry I came off funny to begin with. Most times I don't get my intent across in written words..... Oh well.... As I stick around I may become better known.... Originally I thought it may be easy since this had to be the backend for every wireless hotspot with billing. I.E. a gateway with a hidden network that authenticates and then allows access to the Internet. (Thus, something similar to what I wanted to do had already been implemented in thousands of places across the nation.) However, the more I think about this the less true I believe it is. I now assume that the backend of a pay hotspot is authenticated over the Internet. Would this be a correct assumption? As for the separate sub-net, that's exactly what I was looking for. I was completely ignorant as to the separate sub-nets not being able to see one another. I also picked up lost of other tidbits, like setting the wireless channels as far apart as possible in channel numbers. (Actually, I plan on putting them physically apart, too). So, I should be able to get a wireless router (with some added functionality above NAT, I.E. port blocking and a password) and set it up on another sub-net. Obviously, it has to have good password protection or a hard-set dipswitch to prevent changes. The users will be on the configurable side. Anyone know of a wireless router with some sort of hard lockout? As for my provider seeing the additional traffic, I don't know if this is a big deal (I'll check my contract, though). If the users are doing nothing illegal (why I want to block everything except web and ftp), then all they will see is an increase in traffic. This area is not covered with any pay hotspot, so I'm not stealing business. All the traffic will come out on my one public address, since the firewall has NAT functionality. And I read one time that most users don't even turn WEP on in their gear. The users leave the stuff they buy on defaults (no WEP). Since the ISP already treats me like a moron when they have problem, why not become one and 'accidentally' leave my wireless access point unprotected?
  7. griggs

    UPS with Master Power Switch?

    ***AS I UNDERSTAND IT*** The additional use of a surge strip is fine BEFORE the ups. It may be of additional benefit. The problem shows up when attached AFTER the UPS. This is because of how the surge suppressing elements (which are Metal Oxide Varisitors, AKA MOVs) work. This is a device that turns on at a set voltage to shunt the surge power to ground. They turn on at a certain voltage and are usually set at tens of volts above the peak of the sine wave on the wall power. However, an offline and some line-interactive ups put out a square wave or a barely reshaped square wave (AKA modified sine). In order to get the same effective voltage as a sine wave, the peak on the square wave is higher. Thus, what CAN happen is that a surge strip plugged into the output of an UPS will blow out the MOV the first time it switches to batteries. While the MOV is performing its job, it acts like a dead short, thus possibly taking the UPS with it.
  8. O.K. It is hard....(snippy reply and posturing removed). Actually I edited my above reply. I had a not so great day. Shouldn't take it out here. Since I'm not thinking straight I'll be back tomorrow to go through the posts. Thanks for the help.
  9. I'm usually terse, but I this might take some explanation. (It may even take some re-explanation later). I also catch on quick, but have never had to do something like this. Please bear with me…. The simple form is that I would like to provide free wireless access (to a local park) on my broadband connection. The details: I currently have wireless network for me, with encryption turned on. I have some shares and don’t want anyone on my network. I should and will have better security on my network, but having people even seeing the shares (and trying to access them) scares me. I may screw up someday and leave a door open. Better to have two separate networks. So I know I need another wireless access point with the encryption off and on a different channel. First off then, how do I route this wireless traffic only to my access point? I need to do this while not leaving a possibility of seeing my personal network. Can I buy a wireless router and hook it up to only see I know I could purchase another IP and put them outside my network/firewall, but that is a reoccurring cost. It also voids my second line of questioning. The second line is as follows…. While I do not want to know what traffic travels across my network, I do want to limit the items that could cause me legal trouble. That is, I would like to block certain forms of traffic. I would like to disable pear-to-pear traffic so I don’t get the RIAA on my ass for someone else’s’ actions. Actually, the way I would prefer to do this is to lock everything and open http/ftp/ ??? ports. Is there something that does this easily and cost effectively? I don’t think this is terribly hard; I just have not done this before. I know I’m leaving something out, I just can’t remember what. Maybe it will come to me later…. Thanks for any help.
  10. Thanks everyone. I'm just looking at the links now...... It doesn't need to be hotswap. (I'm using a raid 5, IDE array). I just want to be able to mount them nicely.... Wow, there are a few out there. I would have never found them without help. Thanks again!!!
  11. Long time lurker, first time poster...... I have a homemade drive converter rail that allows me to put up to 5 3.5" hard drives into my computer (on edge). This takes up the top two 5.25" drive slots plus about a half a slot of headroom above it at the top of the case. I am interested to see if someone offers something similar commercially. I don’t have as high requirements for something commercial. I would be interested in four drives packed into three 5.25” slots. This should be obtainable. It would be nice if some form of cooling was included, such as a fan or just being heavy aluminum. Anyone have something that comes to mind? Thanks! JG