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james.wilson

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Posts posted by james.wilson

  1. 8 hours ago, sixwheeledbeast said:

    It's going to be a slow roll out I agree, will be a while before all the legacy in service kit is switched.

    Virgin running on there own DOCSIS can do what they like.

    You can get routers with analogue phone outputs that can route calls via PSTN or SIP based on number dialled etc.

    I don't see how this type of thing wouldn't be used to prop up all the legacy connections for a good while.

     

    The tests on using the emulated analogue ports are hit and miss for digis, systems need to be upgraded. The question is who pays. Like sky vs netflix etc, clients are happy to upgrade their tv, amazon stick etc but upgrading a 20yr old bit of kit is too much and obviously our fault for it no longer being reliable. 

  2. On 24/08/2020 at 22:30, mariorainy said:

    local engineers dont use this brand...no help from them

     

    Pretty much everyone knows galaxy, if they dont know it its like saying they have never heard of ford as a mechanic. Not knowing it well is different. IMO people should specialise do what they do and do it well, not ive seen one of these before how hard can it be. Got the same issue with my Bosch Boiler at home, needed a specialist and after a while found one. 

  3. as the advice from ofcom bsia etc is

     

    Quote

    The BSIA is urging security installers to take swift action on their alarm signalling estates in advance of the transition to an ALL-IP voice service with migration in some areas taking place as early as this autumn. 

    PSTN is dying. SIA wise we have upgraded most of the estate away from PSTN. 

  4. 5 hours ago, Cieska said:

    5. In both tables 2-7 and 2-8, there are two lines named Low Resistance and High Resistance. What this for? Why those are even mentioned? I'm right with saying that is value ranges to avoid false results/alarms

    this is to give early warning of a connection issue failing device etc. good firms transmit this data and then book a visit 'before' the device fails. Low res is usually water or damage, high res is connection issues or failing detector

    • Thanks 1
  5. 3 minutes ago, al-yeti said:

    1. Zone wiring types. Fault double-balanced vs. Fault end-of-line

    Double balanced has 2+ resistors so a short or complete open circuit is a tamper. 

     

    3 minutes ago, al-yeti said:

     2. Wiring multiple detectors

    on a agalaxy you can add multiple door contacts and just ad a 1k in parallel with the switch. Basically a reading of 1k is closed 2k to 11k is alarm, 12k+ tamper But you cant use fault resistors etc.

     

    30 minutes ago, Cieska said:

     3. What is Fault detection?

    its a sensor fault. A grade 3 sensor can report a fault on the eol wiring by open different relays to give a fault reading. The panel can then identify that the sensor itself has reported it has failed an internal test.

     

    31 minutes ago, Cieska said:

    4. Key-switches and terminator buttons.

    exit termsinators are to tell the alarm that everyone is outside the protected area and it can complete the arming process. Most people use final door but i prefer pts (terminate)

    • Thanks 1
  6. 1 hour ago, sixwheeledbeast said:

    "power burning, heating up relay"?

    A pull up resistor would dissipate the wattage across it as heat. Either way I think we are getting off topic you can test this with a meter it wouldn't need a load.

    If it's not switching then it's either not programmed correctly or blown.

    The reason it's common practice for installers use relays is for separation with any auxiliary device.

    Qfa

     

    Also the output maybe open without a pull up or down it won't show much logic wise

  7. 1 hour ago, BaconAndCabbage said:

    I was hoping to avoid increasing complexity by adding a relay. All I need a 12v and 0v signal,

     

    What I wanted to do was put say a 4.7k resistor across it and 12V. That way I'd get 12V at the PGM pin when it was "off" and 0v when it was on. The issue of course is that it doesn't seem to ever turn off.

     

    id expect it to read a difference with a meter, unless the output is broken. If you cant read it with a dvm then a t relay wont help

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