atcomsystems.ca/forum Forums Other TDM Phone Systems 1A2 and Comkey Telephones & Systems Project 1A2: Phase I complete.

Thanks!

You mean the mushrooms?

If so, they are used to route the wires around from one row of blocks to the other - basically I ran a 25 pair from the KSU to the first row of 66 blocks, then fed the 2nd row from the first... kinda like daisy chaining 'em I guess. Anyway, the wires that connect the blocks together go up and over the shrooms.


I'm having a lot of fun with it, but like I told Ed yesterday, there's been more than a few do overs.

No, I know what mushrooms are
I meant higher above the backboard where the 50 pair goes.

Jeff:

The unit on the left is a stand-alone intercom unit. On the right, it looks to be a Bogen FM tuner.

Matt:

Looks like you need another mushroom board and a couple of brackets. Looks like a pair of 66M1-25 blocks might have fit into your plan better. I thought you were just going to run jumpers out of the KSU to the station blocks. Let me know if you need any more parts.

Hey Ed -

Right on both counts: Intercom/Tuner.

As for the parts - yep. Damn man, you're good. The ITT manual said to use 2 25 pair blocks - one they called the "CO Block". and the other, simply "25 pair block". I didn't have any of those, so did the best I could with what I had.

Originally I was going to run jumpers from the 66 blocks back to the KSU, but then decided it would be cleaner to do it this way. Ken and I discussed it, and the ITT manual said to do it this was as well, specifically if you were going to connect more than 5 stations.

Because of all that, I went with the 25 pair out of the KSU. So the upper left block is a straight feed from the KSU, the one below it is used for AB/BB, etc, as well as all the intercom connections. Right now I only have 2 stations connected, and they go to the upper right block. The lower right block has nothing on it yet, but I have 2 more phones in my living room to connect to it.

So yeah, I'll need some more blocks - I have enough slack to yank the split pair blocks and replace with those you suggested. Also will need another shroom block. And that intercom card as well (just so I have it, doubt I'll be able to find one again). Plus part of me wants every slot in the KSU consumed and functional. Also a couple more new brackets - Ken gave me 2 he had as well as another blue board.

I'll get ya a more complete/definitive parts list in a week or so, gotta wait for payday to roll around again.

Tommorow I'm gonna take a stab at figuring out what's wrong with my MOH. I gotta think it's something I'm doing wrong or not doing at all.

Thanks -
Matt

What is AB/BB??

AB = A Battery, BB = B Battery (-24v). I don't know why they are called A & B though, and I'm not completely sure, but I think the main difference is one is filtered and one isn't. There's also AG and BG (A&B Ground). And of course RC and RG (Ring). Oh, L & LG (Intercom Lamp). And a whole lot more, probably. This is just what I've learned while here. Also I had to bring over 10v and 18v to the 66 block, the 10v is to feed the intercom lamp input, and the 18v goes to the intercom as well, for signalling output.

Thanks
I only knew Lamp and Lamp ground.

Hey, it's a cute little ITT 601 system! Nice 4 line cell, Corinth's answer to a WE554 shoebox. (Saw one at the Dayton Hamvention, really shoulda picked it up...)

Looks like you're going to use an external power supply and intercom. That's good, since the intercom and power supply were proprietary, and the weak link of the design. I must've installed hundreds of these back in the day. Think I tossed my manuals years ago, but I bet I could set one up from memory.

Nice project, nice install, great to see someone keeping up with 1A2. My friend still has a WE shoebox in his house, the VZ tech's really get a kink out of it everytime he calls them in. I sent him all my remaining 2564 sets when I moved to Florida, but can't find WE 6 button Touch A Matic sets for him anymore.

Thanks!

Power supply and ring generator are internal; but I think the PS is going out.

Thanks for all the compliminents! But not much is due to me, I try to take my time, and try to route things properly/neatly. But it was Ken and Ed (among others) that have mentored me through this. Now I'm just learning through experience.

But your right on the intercom - the box next to it is a valcom radio for MOH. I have an intercom card for the KSU; but near as we can tell it's no good.

Thanks again, I'm having a ball. Some people might think having 3 2565's in one room is a bit over the top, but I can't get enough of 'em. Shooting for 7 1A2 phones, a trimline in each bathroom, and various assorted other models sprinkled here and there.

I'll post some more pics tomorrow, I'm very nearly done (with this phase, anyway).

PS: There's a WE KSU on ebay now, looks like it comes with 4 line cards and is ready to go.