The Optix OSN8800 TN12LOG board belongs to the optical wavelength conversion class, which is applied to realize the interconversion between 8-channel GE service optical signals and OTU2 optical signals of standard wavelengths complying with the requirements of WDM systems.
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Huawei OTN OSN8800 TN12LOG Hardware Description
The TN12LOG single board belongs to the optical wavelength conversion class of single boards, which is applied to realize the mutual conversion between 8-channel GE service optical signals and OTU2 optical signals of standard wavelengths in compliance with the requirements of WDM systems.
The application of TN11LOG single board in WDM system is shown in Figure 1.
Figure 1 Application of LOG single board in WDM system
 | OptiX OSN 6800 subrack: Service signaling to and from the pairing or crossover boards OptiX OSN 3800 subrack: Service signaling with other single boards in the mesh group |
Optix OSN8800 TN12LOG 8-channel GE Services Aggregation Board Functions and Features
The LOG board supports optical wavelength conversion, electrical layer crossover, OTN interface, ESC, and other functions and features.
The specific functions and features of the LOG single board are shown in Table 1.
Table 1 LOG single-board functions and features
| Functions and Features | Description | ||
|---|---|---|---|
| Basic Functions | LOG supports signal conversion: 8 x GE1 x OTU2 | ||
| Customer-side service type | GE: Ethernet service at a rate of 1.25 Gbit/s Description: The TN12LOG single board supports both GE electrical signals and GE optical signals. When accessing GE electrical signals, it is recommended to configure up to 2 electrical modules for the convenience of fiber routing. | ||
| Crossover Capability |
| ||
| OTN Function |
| ||
| WDM Specifications | Supports DWDM specifications of ITU-T G.694.1. | ||
| Wavelength Tunable Function | Supports wavelength tunable optical modules. Realizable.
| ||
| ESC Function | Support | ||
| PRBS Function | Support PRBS function on WDM side | ||
| LPT function | Support | ||
| Error Correction Coding | TN11LOG.
TN12LOG.
Description: Veneers with different error correction codes cannot be docked. | ||
| Performance Surveillance and Alarm Monitoring |
| ||
| Relay board |
| ||
| ALS Functions | Customer side support. | ||
| Test frame function | Support | ||
| Delay Measurement | Not supported | ||
| Optical Layer ASON | TN12LOG support. | ||
| Electrical Layer ASON | Not Supported | ||
| Protection Mode |
Description: The OptiX OSN 8800 supports only customer-side 1+1 protection, on-board 1+1 protection, and optical wavelength sharing protection. | ||
| Ethernet service mapping mode | Supports GE(GFP-F) (shown as GE on the network management) and GE(GFP-T) encapsulation for GE services. | ||
| Ethernet port operating modes | GE(GFP-F): 1000M full duplex, self-negotiation mode. | ||
| Port MTU | 1518 to 9600 bytes, i.e., supports Jumbo frames up to 9600 bytes. | ||
| Loopback | Wavelength Division Side | Inner Loopback | Support |
| Outer Loopback | Supported | ||
| Client Side | Inner Loopback | Support | |
| Outside Loopback | Supported | ||
Supported Protocols or Standards | Protocols or standards for pass-through (no performance monitoring) | IEEE 802.3z | |
Protocol or standard for processing (with 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 | ||
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