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Thread: MTN-0070-19-NA - APX RSM Cable jacket fraying/separating

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    Default MTN-0070-19-NA - APX RSM Cable jacket fraying/separating

    Coles Notes version...


    Motorola Solutions Technical Notification (MTN)

    TITLE: APX/PCR RSM Cable Jacket separation/fraying exposing internal wires
    TECHNOLOGY: Accessory - APX/PCR Remote Speaker Microphones

    SYMPTOMS:
    The RSM cable jacket tears or frays and exposes the internal wires. See the example picture below..
    Cable tear or fray is a condition in which:
    the RSM cable black outer jacket develops frays that get worse with use
    the inner cable contents become visible
    typically occurs at RSM head or radio connector (GCAI) end or both, but can also occur in cable middle section.

    MODELS / SYSTEM RELEASES / KITS / DATECODES AFFECTED:
    Remote Speaker Microphones that exhibit the cable fraying issue; the standard 1 year RSM warranty period will be extended to 2 years for this issue.


    APX RSMs:
    PMMN4062A, PMMN4065A, PMMN4069A, PMMN4083A, PMMN4099A/PMMN4099B
    PCR RSMs:
    PMMN4071A, PMMN4073A, PMMN4108A, PMMN4024A, PMMN4040A, PMMN4025A, PMMN4080A, PMMN4046A, PMMN4050A

    ROOT CAUSE / DEFINITIVE TEST:
    Motorola RSM cable jacket material was changed in 2013 in order to comply with changes in global environmental material regulations. In the RSM cable application, the compliant jacket material has demonstrated a greater susceptibility to tearing at points of stress induced when the coil is elongated or stretched. How the RSM is positioned on the body (i.e across the back and over the shoulder vs. along front of the body - see picture) directly affects potential induced coil stress.

    RESOLUTIONS AND REPAIR PROCEDURES:
    Motorola will extend the warranty to 2 years (1 year beyond the standard RSM warranty period) for units that exhibit the cable fraying issue.
    Only units exhibiting fraying symptoms will be replaced under this MTN - returned units will be verified for failure symptom upon receipt. The Replacement of RSM can be obtained by calling Motorola AAD (Parts Dept) at 1-800-422-4210; prompt 1.


    Reference MTN-0070-19-NA and original FO (Factory Order) number when ordering replacements


    The following lists show which model RSM is to be used for replacement with the larger coil diameter solution. APX RSMs:


    PMMN4062A -> PMMN4062AL - AVAILABLE NOW
    PMMN4065A -> PMMN4065AL - AVAILABLE by the end of June 2019
    PMMN4069A -> PMMN4069AL - AVAILABLE by the end of June 2019
    PMMN4083A -> PMMN4083AL - AVAILABILITY to be determined
    PMMN4099A/PMMN4099B -> PMMN4099BL - AVAILABILITY to be determined


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    moetorola (Jun 10, 2019)

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    This might be yet another case where the old materials that were "bad for the environment" or "bad for your health" tended to work the best and lasted the longest. Why, was there some mandate in 2013 for the cable sheathing to be bio-degradeable or low-VOC rated or something?

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    bstafford (Jun 08, 2019)

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    Quote Originally Posted by TRENT310 View Post
    This might be yet another case where the old materials that were "bad for the environment" or "bad for your health" tended to work the best and lasted the longest. Why, was there some mandate in 2013 for the cable sheathing to be bio-degradeable or low-VOC rated or something?
    Exactly, just like with many other items, when it "wont decompose in a landfill", that also means it wont decompose IN THE FIELD DURING USE! Products designed with a purposely limited lifespan have absolutely no business being used in a public safety environment. While i do agree that there are certain items in everyday life that can be modified or eliminated due to environmental concerns, public safety equipment is NOT it.

    That being said, it really wouldn't surprise me to find out that these changes were made as a cost saving measure, and they just placed the blame on environmental concerns to save face.

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