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Cisco

Cisco ONS-SI-155-L1 | 155Mb SFP | OC-3/STM-1 LR-1 (L-1.1) | 1310nm | 40km SMF | LC | Industrial Temp

SKU:ONS-SI-155-L1

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Description

Long-reach OC-3/STM-1 SFP for transport links up to 40km. Operates at 1310nm over single-mode fiber with LC interface and industrial-temperature capability for demanding environments.

Features

- 40 km long-reach OC-3/STM-1 connectivity
- 1310nm operation with LC duplex
- Industrial-temperature rating
- Standards-based ITU-T G.957 LR-1 compliance
- MSA SFP for versatile deployment

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Can this LR-1 module interoperate with an IR-1 on the remote end?
A: Generally no; match optical classes and link budgets on both ends for reliable operation.

Q: Is this for Ethernet?
A: No. It is designed for SDH/SONET OC-3/STM-1 ports.

Q: What type of fiber should I use?
A: Single-mode fiber (9/125 µm) with appropriate patching and cleanliness for long-reach links.

Q: Does it include DDM/DOM?
A: Not specified; consult your platform’s support for diagnostics visibility.

Technical Specifications

- Line rate: 155.52 Mb/s (OC-3/STM-1)
- Optical class: LR-1 / L-1.1 per ITU-T G.957
- Form factor: SFP (hot-swappable)
- Wavelength: 1310 nm
- Fiber type: Single-mode (SMF, 9/125 µm recommended)
- Connector: LC duplex
- Reach: up to 40 km (link-budget and fiber quality dependent)
- Operating temperature: Industrial (extended) range
- Use case: Metro/long-haul SDH/SONET spans

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