| Basic function | LSC converts signal as follows: |
| Client-side service type | 100GE: Ethernet service at a rate of 103.125 Gbit/s. OTU4: OTN service at a rate of 111.81 Gbit/s |
| OTN function | - Provides the OTU4 interface on WDM-side.
- Supports the OTN frame format and overhead processing compliant with ITU-T G.709.
- ODU4 layer:
- When the client-side service type is 100GE, the board supports the PM function.
- When the client-side service type is OTU4, the board supports the PM and TCM functions, PM and TCM non-intrusive monitoring functions.
- OTU4 layer: supports the SM function.
|
| WDM specification | Supports ITU-T G.694.1-compliant DWDM specifications. |
| Tunable wavelength function | The TN18LSC board can tune the optical signal output on the WDM side within the range of 96 wavelengths in extended C-band with the channel spacing of 50 GHz , and other boards can tune the optical signal output on the WDM side within the range of 80 wavelengths in the C-band with the channel spacing of 50 GHz. |
| ESC function | Supported NOTE: When the TN12LSC board is provisioned with the OTU4 service on the client side, the board does not support ESC function on the client side. |
| PRBS test function | When the client-side service type is OTU4, the PRBS function is supported on the client side. When the client-side service type is 100GE or OTU4, the PRBS function is also supported on the WDM side. |
| LPT function | Not supported |
| FEC coding | On the client side: Supports ITU-T G.709-compliant forward error correction (FEC) on the client side, only when the client side service type is OTU4. On the WDM side: The TN12LSC/TN13LSC board supports HFEC and SDFEC. The TN15LSC board supports HFEC and SDFEC2. The TN17LSC board supports SDFEC2. The TN18LSC board supports SDFEC2 and HFEC PLUS. NOTE: Boards that use different FEC modes cannot interconnect with each other. |
| Alarms and performance events monitoring | NOTE: Only the TN12LSC board does not support the monitoring of BIP8 bytes on the client side. |
| Regeneration board | The WDM-side signals of an LSC board can be regenerated using the N401, N402, U401, LTX, NS4, TN18LSC board of the same type. For example, - The type of the TN12LSCT01 board is T01, and the WDM-side signals of the TN12LSCT01 board can be regenerated using the N401, N402, LTX, NS4, TN18LSC board of the T01 type, such as TNV1N401T01, TNV2N402T01, TNV2N401T01, , TN12LTXT01, TN54NS4T01, TNV2U401T01, TN57NS4T01, TN58NS4T01. TN11LTXT01, TN18LSC.
|
| ALS function | Supports the ALS function on the client side when client services are non-OTN services. |
| Test frame | Supported only when the client-side service type is 100GE. |
| Latency measurement | The TN13LSC/TN15LSC/TN17LSC/TN18LSC board supports latency measurement. The bidirectional latency at the ODU4 layer between two OTU boards supporting the latency measurement function can be measured, and the latency data is displayed on the U2000. This function is not supported when the client-side service type is OTU4. |
| IEEE 1588v2 | Not supported |
| Physical clock | When receiving 100GE/OTU4 services on the client side, the board supports synchronous Ethernet transparent transmission instead of synchronous Ethernet processing |
| Ethernet service mapping mode | TN18LSC: Bit Transparent Mapping ODU4 and Mac Transparent Mapping ODU4. NOTE: Only the TN18LSC board supports the function. |
| Electrical-layer ASON | Not supported |
| Optical-layer ASON | Supported |
| Protection scheme | - Supports client 1+1 protection.
- Supports intra-board 1+1 protection (when working with the OLP/DCP/QCP board).
NOTE: When the client-side uses 100GBASE-SR10-100m-CFP2, 100GBASE-SR10-100 m-CFP optical module, the LSC board does not support client-side 1+1 protection. NOTE: When the client-side service is OTU4, the TN12LSC board does not support client-side 1+1 protection. |
| Loopback | Client side | Inloop | Supported |
| Outloop |
| WDM side | Inloop | Supported |
| Outloop |
| Protocols or standards compliance | Protocols or standards for transparent transmission (non-performance monitoring) | IEEE 802.3ba |
| Protocols or standards for service processing (performance monitoring) | ITU-T G.805 ITU-T G.806 ITU-T G.709 ITU-T G.872 ITU-T G.7710 ITU-T G.798 ITU-T G.874 ITU-T M.3100 ITU-T G.874.1 ITU-T G.875 ITU-T G.808.1 ITU-T G.841 ITU-T G.8201 ITU-T G.694.1 ITU-T G.8261 ITU-T G.8262 |
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