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ONS-SI-155-I1-C
SFP- OC3/STM1 IR1/S-1.1 1310nm, ITEMP Cisco ONS Compatible
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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.
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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 |
| Wavelength | 1310 nm | 850 nm | 1310 nm | 1550nm | N/A |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 80 km | 300 meters | 40 km | 10 km | N/A |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5 W | 3.5W | 2.5 W | 2.0W | N/A |
| 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 |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | N/A |
| 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 |
| Height | 0.12 inches | 0.65 inches | 0.41 inches | N/A | N/A |
| Width | 0.35 inches | 1.1 inches | 1.18 inches | N/A | N/A |
| Depth | 0.60 inches | 0.8 inches | 3.56 inches | N/A | N/A |
| Weight | 0.09 lbs | 0.15 lbs | 0.07 lbs | N/A | N/A |
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.