| Basic Functions |
Receive and transmit 1 channel STM-64 optical signal. |
| Optical Interface Specifications |
- The N1SL64/N2SL64 supports standard optical interfaces of I-64.1, I-64.2, S-64.2b, L-64.2b (plus BA), Le-64.2, Ls-64.2, and V-64.2b (plus BA, PA, and DCU). Among them, the optical interface characteristics of S-64.2b, L-64.2b, Ls-64.2, and V-64.2b are in accordance with ITU-T G.691 Recommendation and ITU-T G.692 Recommendation. the optical interface of Le-64.2 is a Huawei customized standard.
- The N4SL64 supports the standard optical interfaces of I-64.1, S-64.2b, Le-64.2, P1L1-2D2, and V-64.2b (plus BA, PA, and DCU).The optical interface characteristics of I-64.1, S-64.2b, Le-64.2, and V-64.2b are in accordance with Recommendation ITU-T G.691, and those of P1L1-2D2 are in accordance with ITU-T G.691. comply with ITU-T G.959 recommendations.
- N1SL64/N2SL64 supports DWDM color optical interface with LC connector, DWDM optical interface supports 40km transmission distance.
- N4SL64 supports CWDM and DWDM color optical interface, the optical interface adopts LC connector. 70km transmission distance is supported for CWDM optical interface, 40km and 80km transmission distance is supported for DWDM optical interface.
- N4SL64 supports single fiber bi-directional optical module.
- It supports standard wavelength output in accordance with ITU-T G.692 recommendations, and can directly access DWDM (Dense Wavelength Division Multiplexing) equipment.
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| Optical Module Specifications |
- Support optical module information detection and query.
- Optical interface provides laser on and off setting and laser auto shutdown function.
- N4SL64 supports the use and monitoring of XFP pluggable optical modules, which facilitates the maintenance and upgrade of optical modules.
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| Service Processing |
- Supports VC-12, VC-3 and VC-4 services.
- N1SL64, N4SL64 and N2SL64 support VC-4-4c, VC-4-16c, VC-4-64c cascading services.
- The N2SL64 supports AU-3 services.
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| Overhead processing |
- Supports segment overhead processing for STM-64 signals.
- Supports processing of channel overhead (transparent transmission and termination).
- Supports setting and querying of J0/J1/C2 bytes.
- Supports 1 channel ECC communication.
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| Alarm and Performance |
- Provides rich alarm and performance events for easy device management and maintenance.
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| REG Specifications |
- Supports the setting and querying of REG operating mode.
- In REG mode, the veneer is in the regenerative segment loopback mode, and only the regenerative segment overhead is handled.
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| Protection Mode |
- Supports two-fiber multiplexing segment loopback protection.
- Supports quad-fiber multiplexing segment loopback protection.
- Supports linear multiplexing segment protection.
- Supports SNCP protection.
- Supports SNCMP protection.
- Support SNCTP protection.
- Supports shared fiber virtual path protection.
- Supports shared optical path protection for multiplexed segments. Provides 2 sets of Kbyte processing capacity, and 1 SL64 board supports up to 2 MSP rings.
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| Maintenance Features |
- Supports inner loopback and outer loopback functions at the optical port level.
- N1SL64/N4SL64 supports inner loopback and outer loopback at VC-4 level.
- Supports soft reset and hard reset, soft reset does not affect the service.
- Support query function of single board manufacturing information.
- Support FPGA online loading function.
- N2SL64 supports TCM function.
- Support smooth upgrade of single board software.
- Support one-button fault data collection.
- N4SL64 supports voltage performance detection and reporting.
- Supports PRBS function, see Availability.
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