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Thread: Motorola i50r remote setup/knockdown

  1. #1
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    Default Motorola i50r remote setup/knockdown

    Lots of the online documentation for the i50r refers to the remote setup and knockdown feature. Does anybody know how to use that feature IE what type of signaling I'm going to need to generate to activate it?


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    That is a DTMF sequence from a mobile/portable that the i50R responds to. Usually to disable the phone patch part.

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    I see:
    Remote SetuplKnockdown Enable (from J5-4 [RX] or from J4-4 [ACC] external alarm outputs):

    And:
    In order for the repeater to function, the manual "Rptr
    Enable" switch must be in the "in" position (enabled as
    indicated by the LED indicator) and the repeater must
    be "set up" (either manually by the front panel switch or
    remotely by signalling to the receive radio). The "COR"
    LED indicator illuminates when the receive radio is
    receiving a "system mobile" (with appropriate coding, if
    applicable). This will cause the repeater to activate, if
    enabled and setup.

    So how do I "signaling to the receive radio"?

    It sort of looks like there's a pin that needs to go high/low to remotely set up and knock down.

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    My limited understanding of it is that you page the receive radio (MDC page, not DTMF) which then triggers the external alarm pin to knock down the repeater. Do it again to bring it backup.

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    Taking a look at the service manual, that appears to be correct. Thanks!

    So now to get my SM120 to respond to signaling...