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Joined: Nov 2004
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bobster Offline OP
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None of the 8 analog phones on one of our RSTU3 cards in our school's Toshiba DK424 system will ring. Several phones rang for awhile (of the 8 total), including a couple new ones I put in couple weeks ago, but now those no longer ring either. I've swapped the card with another slot and associated phones, but those didn't ring either....so it appears the card is bad.

Before replacing the card, I want to make sure the new card does not meet the same fate. So I am wondering how to go about checking the phones to see if one of them may have a ringer short that may be pulling down the ring generator (?) in the RSTU3. Or should I be looking at something else.

Any ideas would be greatly appreciated.

Thanks and kindest regards, Bob

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OK, there are a couple of simple things to check before you just replace the card.
In the manual are tables for the maximum allowable ports based on your processor.
There are also tables for maximum power consumption.
If you have a large number of S/L phones, it is possible that you have overloaded the systems ability to power them.

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Toshiba Telephone Repair

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similar problem: Replacing a toshiba VI with a toshiba XII. Customer wanted more lines, went to ElCheapo phone dealer, then called us when the used crap wouldn't work.

Programming phone is an EK, not DK.

Customer is using DK2010 non-display phones for users. System has been defaulted to square set-up (all lines on all phones). Lines appear on appropriate buttons, lights flash when called, but no audible ringing.

Checked volume sliders on phones, checked program 81xx, system is in day mode, good dialtone for outbound, otherwise fine.

Also, customer wants to be able to use headsets without going off-hook. Original vendor has installed internal card with additional jack for headset. As nearly as I can tell, these are installed correctly and connected correctly - white loop of wire is cut - but you must lift the handset to use the headset.

Any wisdom on this problem? (Aside from, "don't accept work passed off from JackA$$ Telecom vendors?")

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Im missing something here .You mentioned strata vi and xii that uses only ekt sets
then dkt sets that only work with dk control units.
Is there a digital control unit here ?
the dk280 can use peku sta cards for ekt sets and pdku for digital could you give more details.

With the headset you probably need m12 plantronics unit for the one touch control
handset on hook

there is a recent post about toshibas with headsets and model numbers

Since you mentioned program 81 are you sure
the ports match the extensions you want to
ring most people match the port ie 000 to ext 200 or 100 ,the are cases where a port like 000 could x 254

[This message has been edited by KENB (edited September 10, 2005).]

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Ummm.. what Ken said. What system is this really? The XII will only work with EKT phones.

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Business Telephone Repair

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Quote
<font face="Verdana, Arial" size="2">Originally posted by paul144:
Ummm.. what Ken said. What system is this really? The XII will only work with EKT phones.

</font>
I thought that this might be the problem, and we did have to use an EK phone for programming. But the customer has existing DK phones that he wants to use.

Are they incompatible? I do get dial-tone on the DK phones when I press a line key, and substituting the EK that we were programming with, I still don't get ringing.

I don't normally work on Toshiba and this is a hand-off job that I accepted as a favor to another tech (and now regret).

Also, I did physically trace the wiring; ports are mapped correctly.

[This message has been edited by telephoneguy (edited September 13, 2005).]

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Compatibility depends on the system

again which system is it ?

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If it is truly a XII, then the DKT phones will not work. I am very suprised that they are getting dial tone. The XII is an Electronic Key system and will only support EKT phones. The 280 (or the smaller flat pack KSUs if you have an expansion) can support both EKT and DKT phones as long as you have the correct station cards. DKT phones run off of PDKU cards, EKT phones off of PEKU cards.
There is no way that I know of that the DKT digital phones will work on a XII system.

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Business Telephone Repair

[This message has been edited by paul144 (edited September 13, 2005).]

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Mystery solved, somewhat:

You are correct, it turns out that what I thought were DK2010S phones were actually EKT5610 phones. They look identical.

The phones on the XIIe were connected to a HSTU card.

The power supply is a PSU8120, and I am being told that a PSU8120 is not powerful enough to supply ring to EKT5610 phones. Apparently, a PSU8125 is needed.

More on this saga if further problems arise after the new power supply is received...

BTW, does anyone know if the XIIe supports headsets going off-hook without lifting the handset? Or is this exclusive to the DK?

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Does this system have 2 shelves with the power in the top right
Or 3 shelves with the power in the top right

also is this an issue of lines 1-12 or 13 and above.

Also this toshiba has the power supply in the cabinet CORRECT.

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