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Cisco

Cisco ONS-SI-2G-L1 | 2.5 Gb/s SFP, SONET OC-48/SDH STM-16 (L-16.1, LR-1), 1310 nm, up to 40 km SMF, LC duplex

SKU:ONS-SI-2G-L1

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Description

Long‑reach SONET/SDH OC‑48 (STM‑16) SFP for 1310 nm single‑mode links up to 40 km. Provides carrier‑grade optical performance for metro and regional transport, aggregation, and SDH backbones requiring extended reach.

Features

- Extended 40 km reach at 1310 nm for OC-48/STM-16
- Standards-based L-16.1 (LR-1) compliance
- LC duplex interface in compact SFP form factor
- Reliable carrier-grade optical performance
- Hot-swappable for minimized downtime

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: What link distance can I expect?
A: LR-1 optics typically support up to about 40 km on standard single-mode fiber, subject to optical budget and span loss.

Q: Do I need special fiber types?
A: No, standard 9/125 µm single-mode fiber with LC connectors is supported.

Q: Will this interoperate with IR-1 optics at the far end?
A: Interoperation is possible if the optical power budget, wavelength (1310 nm), and SONET/SDH standards are aligned. However, matching LR-1 on both ends is recommended.

Q: Is this module suitable for DWDM systems?
A: This is a fixed 1310 nm LR-1 optic; for DWDM channels use a DWDM-specific transceiver.

Technical Specifications

- Form factor: SFP (hot-swappable)
- Line rate: 2.488 Gb/s (SONET OC-48 / SDH STM-16)
- Base standard: ITU-T G.957 L-16.1 (LR-1, Long Reach)
- Wavelength: 1310 nm
- Fiber type: Single-mode fiber (9/125 µm)
- Reach: up to 40 km (SMF, link budget dependent)
- Connector: LC duplex
- Optical safety: Class 1 laser product
- Use cases: Metro/regional transport, aggregation, SDH backbone
- Operating temperature: Commercial (approx. 0°C to +70°C)

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