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Interface not getting UP in my Aruba JL479A 8320 switch and Aruba 2930F-24G-PoEP-4SFPP switch

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  • 1.  Interface not getting UP in my Aruba JL479A 8320 switch and Aruba 2930F-24G-PoEP-4SFPP switch

    Posted Jan 09, 2023 09:13 AM

    Hi Team,

    I am trying to connect my Aruba 2930F-24G-PoEP-4SFPP switch with my Aruba JL479A 8320 switch with an Aruba 1 GB transceiver model number J4859D.

    I am not getting port up on both sides.

    I have checked the power levels on both the switch end and getting errors on RX.
    This is on aruba 2930F side.

    Transceiver in 25
    Interface Index : 25
    Type : 1000LX
    Model : J4859D
    Connector Type : LC
    Wavelength : 1310nm
    Transfer Distance : 10.0km (9um),
    Diagnostic Support : DOM
    Serial Number : CN10KC6BX6

    Status
    Temperature : 37.437C
    Voltage : 3.3136V
    Tx Bias : 9.472mA
    Tx Power : 0.2888mW, -5.394dBm
    Rx Power : 0.0000mW, -infdBm

    Recent Alarms :

    Rx power low alarm
    Rx power low warning

    This is on aruba JL479A 8320 side.

    Transceiver in 1/1/17
    Interface Name : 1/1/17
    Type : SFP-LX
    Connector Type : LC
    Transceiver Status : An HPE pluggable module that is supported in this interface
    Wavelength : 1310nm
    Transfer Distance : 10km (SMF), 0m (OM1), 0m (OM2), 0m (OM3)
    Diagnostic Support : DOM
    Product Number : J4859D
    Serial Number : CN10KC6CYW
    Part Number : 1990-4414

    Status
    Temperature : 28.0000C
    Voltage : 3.4000V
    Tx Bias : 8.5440mA
    Rx Power : 0.0000mW, -inf
    Tx Power : 0.2884mW, -5.40dBm

    Recent Alarms:
    Rx Power low alarm

    Thanks
    Sanjib Behera



    ------------------------------
    Sanjib Behera
    Highradius
    ------------------------------


  • 2.  RE: Interface not getting UP in my Aruba JL479A 8320 switch and Aruba 2930F-24G-PoEP-4SFPP switch

    EMPLOYEE
    Posted Jan 09, 2023 09:25 AM
    Hi Sanjib,

    There must be an issue with the fiber cable. Both switches report no RX signal. There are two things you can check on your side:

    1. The cable connecting both switches must be SMF, not MM.
    2. LC connectors consist of two separate fibers, be sure they are crossed, e.g. one fiber should connect RX side on Switch A to TX side of Switch B. Another fiber should connect TX side of Switch A to RX side of Switch B.

    If that is checked, then the issue can be in the cable itself.

    ------------------------------
    Ivan Bondar
    ------------------------------

    Original Message