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Posted by joe on April 2, 2008, 5:32 pm
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> klcross@comcast.net wrote:
>
>> I have a DSC alarm 1550 this alarm is used to power three motion
>> detectors with a battery backup. The motion detectors are being
>> monitored via another system. I would like to put a contact between
>> all the zones so the lights would go off on a keypad. I have
>> programmed all zones in installer program number(11) to 1,3 I did this
>> to bypass the fire zone. Now all the lights are on the keypad.
>>
>> My question is should I just put an end of line resistor between the
>> six contacts, to make all the lights go off on the keypad?
>>
>> Thanks, Joe
>>
>
>
> There are cheaper ways to power PIR's than using a PC-1550. And yes,
> there are methods available to have the zones monitored in two places
> and on two independent keypads. You're going to have to provide some
> additional information regarding the main system. What is it? Where is
> it located? Are there wires routed to it from each PIR (or are the
> PIR's reporting on a single zone)?
I got this DSC alarm 1550 cheap enough
with a box and a transformer, I put a
battery to this. The system I do have is
a cellular system and it does have the
contacts to monitor 4 positions but it
doesn't have the power in the battery to
power these, very long if the power is out.
I have the motion detectors set normally
closed, just the sensing of these are
going to this cellular system.
I want to just put the eol resistors to
the 1550 board, just for the turning of
the lights off on the keypad.
I got the error message to go away by
programming this 1550 alarm system
without a fire zone.
I could just program this via the
program 12, option 5. N.C. loops
(except fire) I still don't know if it
needs the EOL resistors, for them to be
all normally closed loop?
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