Huawei SDH Transmission EquipmentOSN3500 SSN4SLO16 8-channel STM-16 Optical Interface Board Characteristics Description.The N4SLO16 supports CWDM and DWDM color optical interfaces, while the N1SLO16 does not.The N4SLO16 supports single-fiber bi-directional optical modules, while the N1SLO16 does not.The N4SLO16 supports voltage performance detection and reporting. N4SLO16 supports PRBS function, N1SLO16 does not. Supports multiplexed segment shared optical path protection. Provides 16 sets of Kbyte processing capacity, and single optical port provides 2 sets of Kbyte processing capacity. 1 SLO16 supports up to 16 MSP rings. Support SDH transmission equipment two-fiber multiplexing segment ring protection. Support quad-fiber multiplexing segment ring protection. Supports linear multiplexing segment protection. Supports SNCP protection. Supports SNCMP protection. Supports SNCTP protection. Supports shared fiber virtual path protection.

Relationship between the SSN4SLO16 single-board feature codes and optical interface types sold by Huawei SDH transmission equipment

Single-board	Characteristic code	Optical interface type
SSN1SLO1610	10	I-16
SSN1SLO1611	11	S-16.1
SSN1SLO1612	12	L-16.1
SSN1SLO1613	13	L-16.2

Huawei OSN3500 SDH Transport Optical Interface Board SSN4SLO16 Interface Specifications

Type	Description
I-16	2km STM-16 dual-fiber bidirectional optical interface
S-16.1	15km STM-16 Dual Fiber Bidirectional Optical Interface
L-16.1	40km STM-16 Dual Fiber Bidirectional Optical Interface
L-16.2	80km STM-16 Dual-Fiber Bidirectional Optical Interface

Single-fiber bi-directional and color optical interfaces of Huawei SDH equipmentOSN3500 N4SLO16 optical interface boards

Type	Description
S-16.1	15km STM-16 single-fiber bidirectional optical interface
80km CWDM	80km CWDM STM-16 Optical Interface
120km DWDM	120km DWDM STM-16 optical interface

Huawei SDH transmission equipment optical interface board laser safety level CLASS 1, single-board optical interface maximum output optical power is less than 10dBm (10mW) Single-board dimensions: 25.4mm (W) × 235.2mm (D) × 261.4mm (H) Weight: 1.0kg The maximum power consumption of the N1SLO16 single-board is 38W at room temperature (25°C). The maximum power consumption of the N4SLO16 single board is 21W at room temperature (25°C).

The technical information related to this chapter and the SDH equipment troubleshooting process are collected and organized by Shenzhen Optical Transmission Network Technology Co. (www.opticaltrans.com), and are reproduced and retained! Our company specializes in the sale of Huawei SDH optical transmission equipment, SDH transmission equipment.