The OSN8800 TN12LTX/TN11LTX single board supports wavelength adjustable, OTN interface, ESC, and other functions and features.
The specific functions and features of the TN12LTX 10-channel 10Gbit/s service aggregation wavelength converter board single board are shown in Table 1 and Table 2.
Table 1 LTX single-board functions and characteristics (OTU mode)
| Functions and features | Description | ||
|---|---|---|---|
| Basic Functions |
Realizes the interconversion of the following signals:
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| Client-side service types |
10GE LAN: Ethernet service at a rate of 10.31 Gbit/s 10GE WAN: Ethernet service at 9.95Gbit/s STM-64/OC-192: SDH/SONET service at 9.95 Gbit/s OTU2: OTN service at 10.71 Gbit/s OTU2e: OTN service at 11.1 Gbit/s FC1200: SAN service at 10.51 Gbit/s FC800: SAN service at 8.5Gbit/s |
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| OTN function |
Description:
Only TN15LTX/TN17LTX supports ODUflex layer; ODU2 layer of TN15LTX/TN17LTX supports TCM function and non-invasive monitoring function of TCM. |
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| WDM Specifications |
Supports DWDM specifications of ITU-T G.694.1. |
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| Wavelength adjustable function |
Wavelength-side optical signals are adjustable in the 80-wave range at 50 GHz intervals in the C-band. |
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| ESC Function |
Supported on the WDM side; supported on the customer side when accessing OTU2/OTU2e services. Description:
ESC is supported when the client side of the single board accesses OTU2/OTU2e signaling, and ESC processing is not supported. When the ESC function is realized, the TN15LTX/TN17LTX client side supports access to a maximum of 6 signals. |
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| PRBS test function |
Customer side and WDM side support. Description:
The PRBS function is supported on the customer side when accessing STM-64/OC-192/OTU2/OTU2e services. |
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| LPT Function. | The LPT function is supported only when the service type of the customer side is 10GE LAN. | ||
| Error Correction Coding |
Description:
Veneers with different error correction codes cannot be docked. |
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| Alarm and Performance Monitoring |
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| Relay Board |
The WDM side signal of LTX single board can be relayed by other LTX and NS4 single boards of the same type. For example:
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| ALS Function |
Customer side support when accessing non-OTN services. |
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| Test Frames |
TN11LTX/TN12LTX: Not supported. TN15LTX/TN17LTX: Test frame is supported when 10GE LAN service is accessed and the port service mapping path is "MAC transparent mapping (10.7G)". |
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| Delay Measurement |
TN12LTX/TN15LTX/TN17LTX supports delay measurement function, which can measure the bidirectional delay of ODUk layer between two OTU boards, and the delay data will be displayed on the network management. Description:
When OTU2/OTU2e services are accessed on the customer side, only TN17LTX supports TCM delay measurement, and other boards do not support delay measurement. Also only one port channel can be configured for delay measurement. |
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| IEEE 1588v2 | does not support | ||
| Physical Layer Clock | When 10GE LAN service is accessed on the client side and the port service mapping path is "Bit Transparent Mapping (11.1G)", synchronous Ethernet pass-through is supported and synchronous Ethernet processing is not supported. | ||
| Optical layer ASON | Supported | ||
| Electrical Layer ASON | Not supported | ||
| Protection Mode |
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| Ethernet service encapsulation |
TN11LTX/TN12LTX: Bit transparent mapping (11.1G) TN15LTX/TN17LTX: Bit transparent mapping (11.1G) and MAC transparent mapping (10.7G). |
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| Loopback | Client side | Internal Loopback | Support |
| Outer Loopback | |||
| Wavelength Division Side | Inner Loopback | Support | |
| Outer Loopback | |||
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Supported protocols or standards |
Protocol or standard for pass-through (no performance monitoring) |
IEEE 802.3ae ITU-T G.707 ITU-T G.782 ITU-T G.783 GR-253-CORE Synchronous Optical Network (SONET) Transport Systems: Common Generic NCITS FIBRE CHANNEL PHYSICAL INTERFACES (FC-PI) NCITS FIBRE CHANNEL LINK SERVICES (FC-LS) NCITS FIBRE CHANNEL FRAMING AND SIGNALING-2 (FC-FS-2) NCITS FIBRE CHANNEL BACKBONE-3 (FC-BB-3) NCITS FIBRE CHANNEL SWITCH FABRIC-3 (FC-SW-3) |
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Protocol or standard handled (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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| Functions and features | Description | ||
|---|---|---|---|
| Basic function |
Used as an electrical relay station in the system to realize the electrical relay function of the corresponding optical signals. |
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| Relay rate |
OTU4: OTN service, rate 111.81Gbit/s |
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| OTN function |
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| WDM Specifications |
Supports DWDM specifications of ITU-T G.694.1. |
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| Wavelength adjustable function |
Wavelength-side optical signals are adjustable in the 80-wave range at 50 GHz intervals in the C-band. |
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| ESC Function | Support | ||
| PRBS test function |
Does not support |
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| LPT Function | Not Supported | ||
| Error Correction Coding |
The TN11LTX supports HFEC and SDFEC coding. TN12LTX supports HFEC, HFEC2 and SDFEC encoding. TN15LTX/TN17LTX supports SDFEC2 encoding. Description:
Veneers with different error correction codes cannot be docked. |
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| Alarm and Performance Monitoring |
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| ALS Function | Not supported | ||
| Test frame |
Not supported |
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| Optical Layer ASON | Supported | ||
| Electrical Layer ASON | Not Supported | ||
| Protection Mode | Not supported | ||
| Loopback | Not supported | ||
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Supported protocols or standards |
Transmissive protocols or standards (no performance monitoring) |
-Processing protocols or standards (with performance monitoring) |
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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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Description: | Single board | Client-side services | ODUk encapsulated as |
|---|---|---|
| TN11LTX/TN12LTX | 10GE WAN/STM-64/OC-192 | ODU2 |
| 10GE LAN | ODU2e | |
| TN12LTX | OTU2 | ODU2 |
| OTU2e | ODU2e | |
| TN15LTX/TN17LTX | 10GE WAN/STM-64/OC-192/OTU2 | ODU2 |
| OTU2e/FC1200 | ODU2e | |
| 10GE LAN | ODU2/ODU2e | |
| ODU2/ODU2e | ODU2/ODUflex |
Description:
LTX board belongs to the optical wavelength conversion class, which is used in the coherent system to realize the mapping of 10-channel 10GE LAN/10GE WAN/STM-64/OC-192/OTU2/OTU2e/FC1200/FC800 optical signals from the customer's side into 1-channel OTU4 signals, and the interconversion with standard wavelengths of optical signals in line with the requirements of the WDM system. The LTX single board can also be used in relay stations to realize the relay function of OTU4 optical signals.
LTX single board WDM side rate of 100Gbit/s, used in 100G transmission system.LTX single board in the WDM system application as shown in Figure 1 and Figure 2.
LTX needs to set the "Single Board Mode", and the "Single Board Mode" of this application scenario is: "Normal Line Mode".
The LTX needs to set the "Single Board Mode", which can be set to "Electric Relay Mode" or "Optical Relay Mode". For optical-layer ASON and electrical-layer ASON applications, setting "Optical Relay Mode" and "Electrical Relay Mode" has no effect on the system; for non-ASON applications, end-to-end operation can only be performed if "Optical Relay Mode" is set. For non-ASON applications, only "Optical Relay Mode" can be set for end-to-end management.
When LTX is used on 3800, it does not support relay mode.
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