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DSC4020CF: Epilogue

B

Buggs

Well, I sent the 4020CF board back for exchange because I thought it was
defective. It wouldn't answer the phone for a download call.

Got the new board and bench tested it, it worked fine, answered the phone by
number of rings, PC link, and answering machine defeat, no problem. I
program the board on my bench with PC link, test again, and all is well. The
next day, I install the board, connect the phone lines, 4702 bell module,
and 4701 phone line module. (Yeah, you need both of those peripheral modules
to make the 4020CF an actual commercial fire panel.) Power the panel up, and
enroll the modules. Call the panel, and....no answer. Tried again, no luck.

So it looks like the engineer nannies at DSC have disabled unattended
downloading in the new s/w, v 3.54, once the panel detects the 4701 module.
Yeah, I know you're not supposed to do it, but, well, I kind of like to make
that decision myself. (The panel can still initiate a call if someone is at
the keypad.)

The funny part is that DSC tech support doesn't know it. Well, the booger
eaters who answer the phone don't anyway. Nor did the "senior tech" I spoke
with.

Come to think of it, it's not that funny after all.

No more DSC "fire" panels for me.
 
B

Buggs

Roland said:
One more reason to use a pure fire panel (that is inexpensive) like
the Bosch 7024. It's easy to upload and download those panels no
matter what module you stick on them.

Nah, what fun is that?
Anyway, I like a panel I can put my hands on without doing the proprietayy
shuffle. Maybe SK?
js
 
N

Nomen Nescio

Buggs said:
So it looks like the engineer nannies at DSC have disabled unattended
downloading in the new s/w, v 3.54, once the panel detects the 4701 module.
Yeah, I know you're not supposed to do it, but, well, I kind of like to make
that decision myself. (The panel can still initiate a call if someone is at
the keypad.)

The funny part is that DSC tech support doesn't know it. Well, the booger
eaters who answer the phone don't anyway. Nor did the "senior tech" I spoke
with.

Come to think of it, it's not that funny after all.

No more DSC "fire" panels for me.

Don't blame DSC, except for their tech support not knowing what's going on.
UL is changing the rules, and this will soon be par for the course for all
UL listed fire panels.

As of December 31, 2008, initial programming or any subsequent
reprogramming of a fire panel will require someone at the panel to enter a
code first, either for local or remote programming. The exceptions are
that receiver phone numbers can be changed remotely without someone at the
panel, and purely proprietary systems can be remotely reprogrammed as
well. That doesn't mean the manufacturers have to build in the ability to
change phone numbers remotely, but they can if they want to.

See UL 864, paragraph 54.2.4.

So the DSC engineers are just getting a head start on the new requirements.

- badenov
 
R

Robert L Bass

See UL 864, paragraph 54.2.4.
So the DSC engineers are just getting a head
start on the new requirements.

Edwards was already doing this several years ago.

--

Regards,
Robert L Bass

=============================>
Bass Home Electronics
941-925-8650
4883 Fallcrest Circle
Sarasota · Florida · 34233
http://www.bassburglaralarms.com
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