TN54NS4M Is 100G line service processing board
NS4M: 100G line service processing board
The available functional versions of the NS4M board is TN54.
As a type of line board, the NS4M board converts 80 ODU0, 40 ODU1, ten ODU2, ten ODU2e, two ODU3, one ODU4, or 80 ODUflex into one ITU-T G.694.1 OTU4 signal. The board supports hybrid transmission of the ODU0 service, ODU1 service, ODU2/ODU2e service, ODU3 service and the ODUflex service. The NS4M board uses four wavelengths to transmit one channel of OTU4 signals in the short-haul IDC interconnection scenario.
The NS4M board achieves cross-connection at the electrical layer, and to provide OTN interfaces and ESC.
The NS4M board consists of the WDM-side optical module, OTN processing module, control and communication module, and power supply module.
Two slots house one NS4M board.
Function and Feature
Function and feature |
Description |
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Basic function |
The NS4M board converts signals into one channel of OTU4 signals (shown in the following sequence) and then four channels of ITU-T G.694.1-compliant wavelength signals. 80xODU0/80xODUflex/40xODU1/10xODU2/10xODU2e/2xODU3/1xODU4<->1xOTU4 Supports mixed transmission of ODU0, ODU1, ODUflex, ODU2, ODU2e, and ODU3 signals. |
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Cross-connect capabilities |
Supports the cross-connection of 80 channels of ODU0/ODUflex signals or 40 channels of ODU1 signals or ten channels of ODU2/ODU2e signals or two channels of ODU3 signals or one channel of ODU4 signals between the NS4M and the cross-connect board. |
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OTN function |
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WDM specification |
Supports DWDM specifications. |
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Tunable wavelength function |
Not supported |
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ESC function |
Supported |
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PRBS function |
Supports the PRBS function on the WDM side. |
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LPT function |
Not supported |
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FEC coding |
Supports HFEC on the WDM side. |
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Alarms and performance events monitoring |
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ALS function |
Not supported |
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Latency measurement |
Supported |
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Test frame |
Not supported |
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Optical-layer ASON |
Not supported |
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Electrical-layer ASON |
Supported |
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Protection scheme |
NOTE: When the cross-connect granularity is ODUflex, the board does not support tributary SNCP protection. |
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Loopback |
WDM side Loopback |
ODU0 Channel Loopback |
ODU1 Channel Loopback |
ODU2 Channel Loopback |
ODU3 Channel Loopback |
ODUflex Channel Loopback |
Supported |
Supported |
Supported |
Supported |
Supported |
Supported |