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Joined: May 2003
Posts: 2,267
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Joined: May 2003
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Is there any difference in function and programming between a part #15740 (a "LSI"? card) and a part #15750 other than one being newer?
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Joined: Sep 2001
Posts: 2,360 Likes: 9
Moderator-Executone-Isoetec, Samsung
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Moderator-Executone-Isoetec, Samsung
Joined: Sep 2001
Posts: 2,360 Likes: 9 |
I think that the 15750 has a longer loop limit 2500 vs 2000' if I remember correctly.
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Joined: Apr 2002
Posts: 1,101
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The 2 digital stationcards are 15700 (old style and need resistor if to close to switch) and 15750 (newer card).
the 15740 is a 12 port single line card. You can put a piggy-back message waiting Board on it or DTMF board. It needs a tri-output power supply to work.
Good Luck!!
If all else fails, use a BFH.
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Joined: Sep 2001
Posts: 2,360 Likes: 9
Moderator-Executone-Isoetec, Samsung
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Moderator-Executone-Isoetec, Samsung
Joined: Sep 2001
Posts: 2,360 Likes: 9 |
No the 12 port sli card is a 15540.Is the 15740 was that possibly the surface mount version?Didn't Executone finally get into the 90's and produce some smt cards before they disappeared?
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Joined: Jan 2005
Posts: 38
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You got it PVJ. The 15740 is an SMT 12 port digital station card. It has the same functionality as the rev E and newer 15750. The Rev A-D 15750s are the long drive 29KD killers. I have seen the 15740 number listed somewhere though as a single line card, in a tech note from 1998 or something. Bizarre.
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Joined: Feb 2005
Posts: 18
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FYI: The newer SMT Digital Station Card draws more current then the older In-Line Cards. In a fully loaded 108 they can blow fuses. It took me 10 days and lots of fuses to figure this one.
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Joined: May 2003
Posts: 2,267
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I knew that they were both digital station cards. I just had a customer insisting that they had to have the 15740 (as that was the card that they are replacing). I had one that I sold to them, but I thought I would check with the experts before I swore to anyone else that they are functionally the same. ------------------ Intertel Telephone Repair Toshiba Telephone Repair
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Joined: Sep 2001
Posts: 2,360 Likes: 9
Moderator-Executone-Isoetec, Samsung
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Moderator-Executone-Isoetec, Samsung
Joined: Sep 2001
Posts: 2,360 Likes: 9 |
What experts? ![[Linked Image from sundance-communications.com]](https://www.sundance-communications.com/forum/smile.gif)
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Joined: Apr 2002
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Never seen the 15740 card. As Doug stated I have a Tech-Fact that states it is a 12 port single line card with message waiting lights.
That is what I love about this job, you learn something new every day.
If all else fails, use a BFH.
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Joined: Feb 2005
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Is this a misprint? It wouldn't be the first.
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