Quoted from spblat:Thank you. Now that my AC cables have arrived my VN2511 is starting up but blinking red twice. This, I believe, means that because it's designed for vending machines ("VN"), it's waiting for a signal from the machine that it's ok to accept money. We don't want this in an amusement machine so yet another cable is needed, an enable jumper with original part number 250074011. Man has this been a journey.
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Hopefully the cable I just bought on eBay pictured above has a key on the opposite side to confirm orientation. Here's another picture from elsewhere that provides a nice clue—
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A few posts down from the link above, Ken Layton (who has also helped us in this very thread) posted some handy information for making one's own enable plug, but you can see that it's not jumpering as many wires as what I just bought—
Summarizing newbie tips for installing a bill acceptor/bill stacker in spike2 games—
VN2511 is one of several acceptors that can be found on eBay at reasonable prices used (mine was $157 shipped)
Don't forget the harness to get from the 9 pin connector in the game to the header on the stacker. Mine was another $15 shipped, "MEI Mars VN 2511 110 Volt Pulse Bill Validator/Bill Acceptor Power Harness"
Don't forget the AC cable, which you can get from Stern. One end goes to a plug behind the panel containing the main fuse in the backbox and the other end is tucked away near the coin door.
Don't forget to make or buy an enable jumper if you bought a "VN" stacker made for vending machines, part number 250074011 or 5797-13606-00. Mine was $15 shipped.
"1 way", "2 way" and "4 way" refer to whether the stacker makes you feed bills in a certain way, or whether any orientation is permitted.
Maybe 50ms timing will work but the slower 200ms timing is probably better for a game looking for coin drops.
If I don't post again in a few weeks then it means I finally won
Moving forward, don’t buy VN validators, but rather look for the AE series. These are amusement interface. Really, they’re the same, just a bit different software installed. You won’t need the harness enable jumper that you’re having to use.
Also, a few things to remember-make sure you get a bill stacker which will clear the playfield (200 note-anything larger and the coin door won’t shut) and make sure you get a bezel which clears the contours of the the coin door or else you’re taking a hacksaw or angle grinder to the bezel. I’ll try to post some pics of which one fits and which doesn’t. No one wants to hear this, but the way the new Happ coin doors are, we’ve had to trim a bunch of DBA bezels to fit just because I didn’t see any reason to order 100 bezels.