OSN3500 SSN1SL1A has only one N1 hardware version, and supports the adoption of N1SL1A instead of N1SL1. the single board laser security level is CLASS 1. the single board does not support two-fiber bi-directional multiplexing segment protection networking. The maximum output optical power of the single board optical port is less than 10dBm (10mW). The single board consists of photoelectric conversion module, data clock recovery unit, SDH overhead processing module, logic control module and power supply module. The optical interface board belongs to the line veneer and realizes the reception and transmission of STM-1 optical signals. The received optical signals are sent to the cross side through SSN1SL1A after O/E conversion, while the electrical signals from the cross side are sent out after E/O conversion. Dimensions of the single board: 25.4mm(W)×235.2mm(D)×261.4mm(H), Weight: 1.0kg, Maximum power consumption of the single board at room temperature (25°C) is 17W.
OSN3500 SSN1SL1A Optical Interface Board Feature Code
Relationship between SL1A single-board characterization code and optical interface type
| Single-board | Characteristic code | Optical interface type |
|---|---|---|
| SSN1SL1A10 | 10 | S-1.1 |
| SSN1SL1A11 | 11 | L-1.1 |
| SSN1SL1A12 | 12 | L-1.2 |
| SSN1SL1A13 | 13 | Ve-1.2 |
| SSN1SL1A14 | 14 | I-1 |
| SSN1SL1A15 | 15 | S-1.1 |
| SSN1SL1A16 | 16 | L-1.1 |
| SSN1SL1A17 | 17 | L-1.2 |
| SSN1SL1A18 | 18 | Ve-1.2 |
| SSN1SL1A19 | 19 | I-1 |
| SSN1SL1A20 | 20 | S-1.1 |
| SSN1SL1A21 | 21 | L-1.1 |
| SSN1SL1A22 | 22 | L-1.2 |
| Functions and Features | Description |
|---|---|
| Basic Functions | Receive and transmit 1 channel STM-1 optical signal. |
| Optical Interface Specifications | Supports the standard optical interfaces of I-1, S-1.1, L-1.1, L-1.2, and Ve-1.2, of which the characteristics of the optical interfaces of I-1, S-1.1, L-1.1, and L-1.2 are in accordance with the recommendations of ITU-T G.957, and the optical interface of Ve-1.2 is a Huawei customized standard. |
| Optical Module Specifications |
|
| Business Processing | Support VC-12/VC-3/VC-4 services. |
| Overhead processing |
|
| Alarm and Performance | Provides rich alarm and performance events for easy device management and maintenance. |
| Protection Mode | Supports two-fiber unidirectional multiplexing segment ring protection, four-fiber multiplexing segment ring protection, linear multiplexing segment protection, SNCP (Sub-Network Connection Protection) protection, SNCTP (Sub-Network Connection Tunnel Protection) and SNCMP (Sub-Network Connection Multi-protection) protection. Network Connection Multi-protection) protection methods. |
| Maintenance Features |
|
| Item | Indicator Value | ||||
|---|---|---|---|---|---|
| Nominal bit rate | 155520kbit/s | ||||
| Line code type | NRZ | ||||
| Optical interface type | I-1 | S-1.1 | L-1.1 | L-1.2 | Ve-1.2 |
| Fiber Type | Singlemode LC | Singlemode LC | Singlemode LC | Singlemode LC | Singlemode LC |
| Transmission distance (km) | 0～2 | 2～15 | 15～40 | 40～80 | 80～100 |
| Operating wavelength (nm) | 1260～1360 | 1261～1360 | 1263～1360 | 1480～1580 | 1480～1580 |
| Average transmitted optical power (dBm) | -15～-8 | -15～-8 | -5～0 | -5～0 | -3 to 0 |
| Receiving Sensitivity (dBm) | -23 | -28 | -34 | -34 | -34 |
| Minimum Overload Point (dBm) | -8 | -8 | -8 -8 | -10 | -10 |
| Minimum extinction ratio (dB) | 8.2 | 8.2 | 10 | 10 | 10 |
Parameters for the osn3500 ssn1sl1a single board can be configured through the u2000 network management system. The following parameters can be set for the sl1a single board through the u2000 network management: j0, j1, and c2 overhead bytes. The single board can be inserted in slots 1~8, 11~17 of the subrack when the cross capacity is 80Gbit/s and 200Gbit/s. When the cross capacity is 40Gbit/s, it can be inserted in slots 1~8, 11~16 of the subrack.
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