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ONS-SI-155-I1-C
SFP- OC3/STM1 IR1/S-1.1 1310nm, ITEMP Cisco ONS Compatible
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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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-I1-C is a high-performance SFP optical transceiver engineered to meet the demands of modern data communications. It supports a 1G data rate and features an LC connector to ensure reliable and seamless connectivity over long-range distances using single-mode fiber technology. This compact module is optimized for Ethernet applications in data centers, enterprise networks, and telecom environments.
Designed with a refined form factor and precise physical dimensions, the ONS-SI-155-I1-C provides a robust solution for network expansion and improved system performance. By supporting essential protocols and offering dependable transmission over extended distances, this transceiver module meets the evolving challenges of high-speed networking infrastructures.
ONS-SI-155-I1-C price is is available on request. Get immediate quote.
Request bulk order quote for ONS-SI-155-I1-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-I1-C |  ONS-SI-622-SR-MM-C |  ONS-SI-2G-S1-C |  ONS-SI-155-L2-C |  ONS-SI-2G-L1-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 10G | 2G | 1G | 2G |
| Connector Type | LC | LC | LC | LC | LC |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | 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-I1-C Optical Transceiver Module | ONS-SI-622-SR-MM-C | ONS-SI-2G-S1-C Optical Transceiver Module | ONS-SI-155-L2-C | ONS-SI-2G-L1-C |
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.
Flawless OC3 Intermediate Reach performance. This I-Temp module is robust and maintains steady signaling. Full Cisco ONS compatibility ensured for our transport backbone.
Professional OC3/STM1 IR transceiver. The signal quality is superb and it handles thermal shifts with ease. A dependable solution for our regional optical links.
Consistent 155Mbps throughput. This SFP module is durable and was recognized instantly by our ONS gear. Very satisfied with the long-term reliability and build.
Reliable IR-1 connectivity for our ONS nodes. This module is a solid, cost-effective alternative to OEM parts. Great performance and stability for engineers.
High-quality signaling and robust build. The industrial temperature rating is perfect for our transport infrastructure. Excellent performance in our production environment over SMF.
The ONS-SI-155-I1-C is a single-mode SFP transceiver supporting OC-3/STM-1 at 155.52 Mbps, 1310 nm wavelength, IR1/S-1.1 optical class, and industrial temperature range (ITEMP), fully compatible with Cisco ONS platforms.
Yes, the ONS-SI-155-I1-C is tested and validated for seamless operation in Cisco ONS 15454 and ONS 15510 chassis.
It supports SONET OC-3 and SDH STM-1 at 155.520 Mbps, ensuring interoperable performance across standard telecom networks.
The IR1/S-1.1 1310 nm SFP delivers reliable links up to 10 km (6.2 miles) over single-mode fiber.
With ITEMP rating, the ONS-SI-155-I1-C operates reliably from –40 °C to +85 °C (–40 °F to +185 °F).
This SFP module uses a standard duplex LC connector for single-mode fiber connections.
Yes, the SFP is fully hot-swappable, allowing insertion or removal without powering down the system.
The module consumes less than 1 W (typical), minimizing power impact in dense installations.
Yes, it is fully compliant with SONET OC-3 and SDH STM-1 standards for seamless network integration.
The typical optical budget is 25 dB, based on Tx power range of –9.5 dBm to –3 dBm and Rx sensitivity of –34 dBm.
Yes, this transceiver meets RoHS 2.0 requirements for lead-free and environmentally safe operation.
To install, align the SFP with the slot, insert until it clicks, lock the latch, then connect the LC fiber cable.
The module includes a standard one-year warranty covering defects in materials and workmanship.
Standard lead time is 1–3 business days for in-stock items, subject to availability.
Yes, we offer a 30-day return and exchange policy for defective or incompatible units, per our terms.
You can order through authorized Cisco ONS resellers or directly via our online catalog and sales team.
Yes, it features MSA-compliant DDM for real-time monitoring of optical power, temperature, and voltage.
United States
