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Cisco

Cisco SFP-OC3-SR | 155M | SFP | SONET/SDH OC-3/STM-1 | 1310nm | SR 2km | LC

SKU:SFP-OC3-SR

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Description

Short-reach OC-3/STM-1 SFP transceiver for SONET/SDH single‑mode links. Operates at 1310nm with LC duplex interface and supports up to 2km reach (SR) on SMF—ideal for access and metro edge connections.

Features

- Short-reach 2 km connectivity for access and aggregation
- 1310 nm optics for stable metro performance
- SMF LC duplex interface
- SFP hot-swappability for rapid service changes
- Standards-based SONET/SDH interoperability

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 reach does SR provide?
A: Up to approximately 2 km over single-mode fiber at 1310 nm.

Q: Is the module hot-swappable?
A: Yes, it can be inserted or removed without powering off.

Q: Can I mix SR with LR optics on the same link?
A: No, both ends must use optics with matching reach class and wavelength.

Q: Which connector type is required?
A: LC duplex patch cords.

Q: Does it support SONET/SDH OC-3 services?
A: Yes, it is compliant with OC-3/STM-1 rates.

Technical Specifications

- Data rate: 155 Mb/s
- Standard: SONET OC-3 / SDH STM-1
- Form factor: SFP
- Wavelength: 1310 nm
- Optical reach: up to 2 km (SR-1 class)
- Fiber type: Single-mode (9/125 µm)
- Connector: LC duplex
- Digital diagnostics (DDM/DOM): Supported on compatible platforms
- Hot-swappable: Yes

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