Indicator measurement precision of the SSE1MCA board

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Question:
What is the precision of values measured by the SSE1MCA board in a BWS 1600G system (DWDM system)?
Answer:
1. The power monitoring precision reaches ±1 dB.
2. The OSNR under 100 GHz wavelength spacing must reach 25 dB, and the OSNR under 50 GHz wavelength spacing must reach 20 dB.
Precision requirements:
Under 100 GHz wavelength spacing, the OSNR measurement range is 10 dB to 25 dB.
a. When the input optical power is -10 dBm to -30 dBm, the OSNR test precision is ±1.5 dB.
b. When the input optical power is greater than -30 dBm and smaller than -40 dBm, the OSNR test precision is ±2.5 dB.
Under 50 GHz wavelength spacing, the OSNR measurement range is 10 dB to 20 dB.
a. When the input optical power is -10 dBm to -30 dBm, the OSNR test precision is ±1.5 dB.
b. When the input optical power is -30 dBm to -40 dBm, the OSNR test precision is ±3.0 dB.
Suggestion and conclusion:
None

Other related questions:
Latency measurement supported by some boards on OTN equipment
To support the latency measurement function, the specified NMS license must be available. In addition, not all boards support the online latency measurement function. The following lists R007C02SPC300 boards that support online latency monitoring: 1. 2.5G tributary boards: TN54TOA, TN54THA, and TN54TOG 2. 10G tributary boards: TN57TOA, TN53TQX, TN53TDX, TN55TQX, TN57TQX, TN55TOX, and TN54TTX 3. 10G OTU boards: TN11LOA and TN14LSX 4. 100G tributary boards: TN54TSC

Indication when the SRV indicator on the TOM board is red
The SRV indicator is a service alarm indicator. The indicator status is described as follows: On (green): The service is normal. On (red): A critical or major service alarm is present. On (yellow): A minor or remote service alarm is present. Off: No service is configured.

Meaning of the alarm indicator on a board
The alarm indicator on the front panel of the board indicates the running status and alarm status of the board.

Delay measurement
Path delay refers to the time from the source to the sink, which is measured using overheads. Delay measurement is used to measure the E2E bidirectional delay of ODUk signals. If ODUk SNCP protection is configured on the trail, the measurement result is the delay of the current working trail. The measurement process automatically inserts PM-layer delay measurement overhead bytes to the OTU board at the source end. The intermediate NEs transparently transmit the overhead bytes and the sink end loops back the overhead bytes. After the measurement is complete, the related configurations are automatically restored.

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