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    Understanding the Performance Monitors and TCAs for IPLCs

    Performance monitors enable you to examine and diagnose the health, working capacity, operational efficiency, and the traffic-handling condition of the integrated photonic line cards modules (IPLCs) at various points on the optical IPLC hardware. You can enable configure threshold-crossing alarms (TCA) for the optical IPLC performance monitors. TCAs are alarms that are activated when a certain configurable threshold—near-end measurement threshold or far-end measurement threshold—is crossed and remains so for 15 minutes

    The IPLC supports the optical performance monitors listed in Table 1.

    Table 1: IPLC Optical Performance Monitors

    Performance Monitor

    15 Min Bin

    24 Hr Bin

    TCA High

    TCA Low

    OSC TX power

    Yes

    Yes

    Yes

    Yes

    OSC RX power

    Yes

    Yes

    Yes

    Yes

    OSC/FPGA estimated fiber loss

    Yes

    Yes

    No

    No

    Line OUT VOA attenuation

    Yes

    Yes

    Yes

    Yes

    EDFA Input power (for both EDFAs)

    Yes

    Yes

    Yes

    Yes

    EDFA Output power (for both EDFAs)

    Yes

    Yes

    Yes

    Yes

    EDFA Signal output power (for both EDFAs)

    Yes

    Yes

    Yes

    Yes

    EDFA Pump current (for both EDFAs)

    Yes

    Yes

    Yes

    Yes

    EDFA Pump temperature (for both EDFAs)

    Yes

    Yes

    Yes

    Yes

    OCM power readings (96 channels x 1 monitoring points)

    Yes

    Yes

    Yes

    Yes

    Power monitor at ADD port

    Yes

    Yes

    Yes

    Yes

    Power monitor at EXPRESS IN port

    Yes

    Yes

    Yes

    Yes

    Each performance monitor supports:

    • 15-minute and 24-hour binning

    • Low and high threshold levels as described in Table 2.

    Table 2: IPLC Threshold Crossing Alert Minimum and Maximum Values

    TCA

    Description

    Granularity

    Range Minimum/Maximum

    Default and Recommended Value

    erbium-doped fiber amplifier (EDFA) Input Power (for Both EDFAs)

    edfa1-awg-high-tca

    Ingress EDFA pump AWG high TCA

    5s

    390/440 mW

    400 mW

    edfa1-awg-low-tca

    Ingress EDFA pump AWG low TCA

    5/15 mW

    5 mW

    edfa1-express-high-tca

    Ingress EDFA pump express high TCA

    390/440 mW

    400 mW

    edfa1-express-low-tca

    Ingress EDFA pump express low TCA

    5/15 mW

    5 mW

    edfa1-in-power-high-tca

    Ingress EDFA input power high TCA

    0.5s

    10/12 dBm

    11 dBm

    edfa1-in-power-low-tca

    Ingress EDFA input power low TCA

    —38/—34 dBm

    -35 dBm

    edfa1-out-power-high-tca

    Ingress EDFA output power high TCA

    20/21 dBm

    20.5 dBm

    edfa1-out-power-low-tca

    Ingress EDFA output power low TCA

    —1/0.5 dBm

    edfa1-pump-current-high-tca

    Ingress EDFA pump current high TCA

    1s

    10/300 mA

    edfa1-pump-current-low-tca

    Ingress EDFA pump current low TCA

    edfa1-pump-temp-high-tca

    Ingress EDFA pump temperature high TCA

    0.1s

    20°/25° C

    edfa1-pump-temp-low-tca

    Ingress EDFA pump temperature low TCA

    edfa1-sig-power-high-tca

    Ingress EDFA signal power high TCA

    0.5s

    10/12 dBm

    11 dBm

    edfa1-sig-power-low-tca

    Ingress EDFA signal power low TCA >

    —39/—35 dBm

    —36 dBm

    erbium-doped fiber amplifier (EDFA) Output Power (for Both EDFAs)

    edfa2-awg-high-tca

    Egress EDFA pump AWG high TCA

    5s

    390/440 mW

    400 mW

    edfa2-awg-low-tca

    Egress EDFA pump AWG low TCA

    5/15 mW

    5 mW

    edfa2-express-high-tca

    Egress EDFA pump express high TCA

    390/440 mW

    400 mW

    edfa2-express-low-tca

    Egress EDFA pump express low TCA

    5/15 mW

    5 mW

    edfa2-in-power-high-tca

    Egress EDFA input power high TCA

    0.5s

    10/12 dBm

    11 dBm

    edfa2-in-power-low-tca

    Egress EDFA input power low TCA

    —38/—34 dBm

    —35 dBm

    edfa2-out-power-high-tca

    Egress EDFA output power high TCA

    20/21 dBm

    20.5 dBm

    edfa2-out-power-low-tca

    Egress EDFA output power low TCA

    —1/0.5 dBm

    —0.5 dBm

    edfa2-pump-current-high-tca

    Egress EDFA pump current high TCA

    1s

    10/300 mA

    edfa2-pump-current-low-tca

    Egress EDFA pump current low TCA

    edfa2-pump-temp-high-tca

    Egress EDFA pump temperature high TCA

    0.1s

    20°/25° C

    edfa2-pump-temp-low-tca

    Egress EDFA pump temperature low TCA

    edfa2-sig-power-high-tca

    Egress EDFA signal power high TCA

    0.5s

    10/12 dBm

    11 dBm

    edfa2-sig-power-low-tca

    Egress EDFA signal power low TCA

    —39/—35 dBm

    —36 dBm

    Line OUT Variable Optical Attenuation (VOA)

    lout-voa-high-tca

    LOUT VOA high TCA

    0.5

    16/25 dBm

    17 dBm

    lout-voa-low-tca

    LOUT VOA low TCA

    N/A

    N/A

    Optical Channel Monitor (OCM) Power Readings (96 channels x 1 Monitoring Points)

    ocm-power-high-line-out-tca

    OCM Power Line Out high TCA

    0.5 dBm

    1/2 dBm per channel

    1.5 dBm per channel

    Note: Assumes VOA setting =0

    ocm-power-low-line-out-tca

    OCM Power Line Out low TCA

    —2/—1 dBm per channel

    —1.5 dBm per channel

    Note: Assumes VOA setting =0

    Optical Supervisory Channel (OSC) Estimated Fiber Loss

    osc-fiber-loss-high-tca

    OSC fiber loss high TCA

    0.5 dB

    36/39 dB

    37 dB

    osc-fiber-loss-low-tca

    OSC fiber loss low TCA

    N/A

    N/A

    Optical Supervisory Channel (OSC) RX Power

    osc-rx-power-high-tca

    OSC RX power high TCA

    0.5 dBm

    5/7 dBm

    6 dBm

    osc-rx-power-low-tca

    OSC RX power low TCA

    —47/—46 dBm

    —46 dBm

    Optical Supervisory Channel (OSC) TX Power

    osc-tx-power-high-tca

    OSC TX power high TCA

    0.5 dBm

    5.5/7 dBm

    6 dBm

    osc-tx-power-low-tca

    OSC TX power low TCA

    —2/-0.5 dBm

    —1 dBm

    Modified: 2017-09-13