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DonaldR Offline OP
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I'm taking them apart while I wait for the cabinet arrive to look for any obvious ragged edges and to clean out dead bugs, spider webs etc. That's all.


"Most people don't have a sense of humor. They think they do, but they don't." --Jonathan Winters
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I am aware of this, my KX-TVA50 is flash memory based attached to my KX-TA824. The KX-TVS200 I had prior had a hard drive.

I couldn't understand why the unit seemed so light in weight of it had a HDD. There was also a nice spider web spun over the the card which the flash memory plugs into also.

I suppose spider might have tried to assimilate-with the flash drive? assimilation


Originally Posted by hbiss
There is no hard drive because it was removed and replaced with a solid state hard drive by a refurbisher.

-Hal

Unfortunately Flash Memory over time has a whole set of its own problems different, yet similar to an aging HDD..... sigh

Last edited by DonaldR; 07/25/20 01:27 AM.

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I have Partner messaging systems out there over 20 years old with hard drives running 24/7 and still going strong. Then I had many brand new that died after three months. Go figure.

-Hal


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Searching for a 355A or AF adapter seems to be the same as searching for a Bacon Stretcher or a Left Handed Smoke Shifter wink

What I really need then is a DB25 to RJ45 kit and connect the pins to correspond.....?

Modular Adapter, DB25 Male to RJ45

..and wire it as in this diagram.

DB25 to RJ45

Originally Posted by Touch Tone Tommy
The admin port is serial, you need a 355A (or AF) adapter to get to RS-232.


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I checked #730 and there is a password programmed which is shown on the phone display.

Originally Posted by Touch Tone Tommy
It really only suggests that the system was probably backed up to the card for restoration in case the batteries failed. You can look at program code #730 and see if there is a remote access programming password.


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It's not that difficult, just put 355af in a search engine. However, here's a thought DB9

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What you can get off the shelf is a Cisco console cable - this has a 9-pin serial connector on one end to go into your computer, and an 8P8C modular plug to go into the console port on a Cisco switch. Now you can make a simple adapter by cutting a 568-B patch cable in half, and punching the wires down on a 568-B keystone jack. Patch cable goes into the Admin jack on the Partner, Cisco cable goes into the Keystone, and into your computer


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DonaldR Offline OP
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I thought flash memory was the best thing since sliced bread, as it has no moving parts like a HDD. I then found that it can also fail prematurely.

About 8 years of what I consider light use in (now 10 years old) my KX-TVA50 VMS started occasionally dropping voice prompts. Without warning crashing and rebooting when you dial into one of the Port's extensions, changes to software settings don't always update etc. Restoring the software has not fixed the problems, nor did the last software revision. I spoke with someone and was told, yes, the flash memory in these do fail.

I then read up on how flash memory works which is actually an Eprom on a much larger scale.

That there is only so many times each bit can change from one state to the other. After many many "flips" slight enough that it's state can no longer be read as either on or off.

A Large-Scale Study of Flash Memory Failures in the Field

Originally Posted by hbiss
I have Partner messaging systems out there over 20 years old with hard drives running 24/7 and still going strong. Then I had many brand new that died after three months. Go figure.

-Hal

Last edited by DonaldR; 07/29/20 11:41 AM.

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DonaldR Offline OP
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Carl Navarro.... Now that is a name I haven't seen since I purchased an replacement HDD w/version 4.56 (I think) for a TVS200 many years ago. Though it was kind of slow, I wished that I had held onto it.

Before when I searched for 355A and 355AF adapter I found many unrelated items. When I just did the search again, I found several for the right item. Maybe it's al in my imagination...

Thank You!


Originally Posted by Carl Navarro
It's not that difficult, just put 355af in a search engine. However, here's a thought DB9


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DonaldR Offline OP
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I just found this video on how to make an RJ45 to DB9 adapter which makes more sense as my Panasonic Toughbook has a DB9 Serial port.

How to Make a 355A AT&T Avaya Lucent Programming Adapter. Merlin Magix / Legend (and ACS)
[video:youtube]
[/video]

Last edited by DonaldR; 07/29/20 12:13 PM.

"Most people don't have a sense of humor. They think they do, but they don't." --Jonathan Winters
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