| Basic Functions |
Receive and transmit 4-channel STM-16 optical signals. |
| Optical interface specifications |
Supports standard optical interfaces of I-16, S-16.1, L-16.1, L-16.2. The optical interface characteristics comply with ITU-T G.957 and ITU-T G.692 recommendations.
N4SLQ16 supports CWDM and DWDM color optical interfaces, and the optical interface adopts LC connector. 80km transmission distance is supported for CWDM optical interface, and 120km transmission distance is supported for DWDM optical interface.
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| Optical Module Specifications |
- Support optical module information detection and query.
- The optical interface provides laser on and off setting and laser auto shutdown function.
- Supports the use and monitoring of SFP pluggable optical modules, which facilitates the maintenance and upgrading of optical modules.
- N4SLQ16 supports single-fiber bi-directional optical modules, single-fiber bi-directional optical modules do not support the use of pigtails for optical interface loopback.
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| Service Processing |
- Support VC-12/VC-3/VC-4 services and VC-4-4c, VC-4-8c, VC-4-16c cascade services.
- N2SLQ16 supports AU-3 service.
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| Overhead processing |
- Supports segment overhead processing for STM-16 signals.
- Supports bytes D1 to D12, E1, E2, etc. to be configured for transparent transmission or configured to other unused overhead.
- Supports processing of channel overhead (transparent transmission and termination).
- Supports setting and querying of J0/J1/C2 bytes.
- Supports 1 to 4-way ECC communication.
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| Alarm and Performance |
Provides rich alarm and performance events for easy device management and maintenance. |
| REG Specifications |
Not supported |
| Protection Mode |
- Supports two-fiber multiplexing segment ring protection.
- Supports quad-fiber multiplexed segment ring 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 8 sets of Kbyte processing capacity, single optical port provides 2 sets of Kbyte processing capacity, 1 SLQ16 board supports up to 8 MSP rings.
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| Maintenance Features |
- Supports inner loopback and outer loopback functions at the optical port level.
- N1SLQ16 supports VC-4 channel inner loopback and outer loopback functions.
- N4SLQ16 supports VC-4 channel inner loopback and outer loopback functions.
- Supports soft reset and hard reset, soft reset does not affect the service.
- Supports the query function of veneer manufacturing information.
- Support FPGA online loading function.
- Support smooth upgrade of veneer software.
- Support one-key fault data collection.
- N2SLQ16 supports TCM function.
- N4SLQ16 supports voltage performance detection and reporting.
- PRBS function is supported, see Availability.
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