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ONS-SI-155-L1-C
SFP- OC3/STM1 LR, L-1.1, 1310nm, ITEMP Cisco ONS Compatible
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
ONS-SI-155-L1-C is an SFP transceiver that supports a 1G data rate and features LC connectors, making it ideal for long-range transmission over single-mode fiber. Designed with a standard SFP form factor and tight physical dimensions, this module fulfills the rigorous demands of modern telecom and enterprise networks.
Engineered for deployment in data centers, metro networks, and other mission-critical environments, the ONS-SI-155-L1-C complements infrastructures that require reliable, high-performance optical connectivity. With adherence to industry protocols including Ethernet and SONET/SDH, this transceiver ensures seamless integration and robust performance across diverse network applications.
ONS-SI-155-L1-C price is is available on request. Get immediate quote.
Request bulk order quote for ONS-SI-155-L1-C for additional pricing. Browse the full Cisco Ons Compatible Sfp Sonet series or explore all Orm products.
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| ONS-SI-155-L1-C |  15454-SFP-OC48-IR-C |  ONS-SE-2G-L2-C |  ONS-SI-155-SR-MM-C |  ONS-SI-622-I1-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP+ |
| Data Rate | 1G | OC48 | 2G | 1G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310nm | 1310 nm | 1310nm | 850 nm | 1310nm |
| Transmission Distance | Long-Range | Intermediate-Range | Short-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Max Distance | 10km | 80 km | 10 km | 550 meters | 10 km |
| Supported Protocols | Ethernet, SONET/SDH | SONET/SDH, OC-48 | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Product Name | ONS-SI-155-L1-C Optical Transceiver Module | 15454-SFP-OC48-IR-C | ONS-SE-2G-L2-C | ONS-SI-155-SR-MM-C | ONS-SI-622-I1-C Optical Transceiver Module |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Excellent Long Reach OC3 performance. This I-Temp L-1.1 module is stable and robust on single-mode fiber. Seamless integration with our Cisco ONS switches.
Consistent 155Mbps throughput over long distances. This SFP is durable and provides professional-grade signal integrity. No packet loss or latency issues since deployment.
Exceptional OC3 Long Reach module. Recognition by our ONS nodes was instantaneous. Signal clarity is flawless over our longest legacy fiber spans. Very impressed.
Reliable and high-performing long-haul optic. The 1310nm channel is stable and provides the reach our network requires. Excellent value and reliability for B2B.
Professional-grade OC3/STM1 LR transceiver. It provides a rock-solid link for our transport layer. Extremely satisfied with the performance and thermal durability of this module.
The ONS-SI-155-L1-C is a long-range, ITEMP-rated SFP optical transceiver designed for OC3/STM1 networks, operating at 1310 nm and fully compatible with Cisco ONS platforms.
This SFP module is fully interoperable with Cisco ONS 15454, ONS 15454 M2, and related ONS chassis that accept OC3/STM1 LR SFP form-factors.
The ONS-SI-155-L1-C supports single-mode fiber links up to 10 km at 1310 nm under standard ITU-T G.957 specifications.
It operates at a nominal wavelength of 1310 nm, optimized for minimal dispersion on single-mode fiber over long distances.
It uses single-mode fiber with a duplex LC connector interface, ensuring low insertion loss and high return loss.
This transceiver supports OC3 or STM1 rates at 155.52 Mbps, meeting carrier-grade timing and jitter standards.
The ITEMP rating ensures reliable operation from –40 °C to +85 °C for demanding environmental conditions.
Yes. It fully complies with SFP MSA specifications for hot-plug insertion and removal without system reboot.
Typical power consumption is below 1 W, making it energy-efficient for continuous operation in critical networks.
Yes. It features DDM functions that provide real-time monitoring of optical output power, temperature, and voltage.
The module offers an MTBF of over one million hours, supporting highly reliable network uptime.
Simply insert the SFP into an open OC3/STM1 SFP slot until it clicks, then verify link status via system LEDs or CLI.
Yes. It is backed by a limited lifetime warranty covering material defects and workmanship under normal use.
Yes. It is fully interoperable with Cisco OEM SFP modules, allowing seamless integration in mixed deployments.
It is tested to Telcordia GR-468-CORE and meets SFF-8472 for diagnostic accuracy and SFF-8074i for mechanical compliance.
With industrial temperature tolerance, Cisco ONS compatibility, and DDM support, it delivers superior reliability and network visibility.
United States
