United StatesName:
Added to cart 28 times recently
In stock - Ready to Ship
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
ONS-SI-155-SR-MM-C
SFP- OC3/STM1 SR, 1310nm, MM, I-TEMP Cisco ONS Compatible
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
ONS-SI-155-SR-MM-C is a high-performance SFP optical transceiver designed for short-range applications over multimode fiber. It supports 1G data transmission using an LC connector and is optimized for enterprise networks, data centers, and telecom environments.
This module features a compact form factor with precise physical dimensions for easy integration into modern networking equipment. It adheres to Ethernet protocols, ensuring reliable connectivity and performance in dense network deployments.
ONS-SI-155-SR-MM-C price is is available on request. Get immediate quote.
Request bulk order quote for ONS-SI-155-SR-MM-C for additional pricing. Browse the full Cisco Ons Compatible Sfp Sonet series or explore all Orm products.
To get the detailed certification, please go to the Compliance Center.
| ONS-SI-155-SR-MM-C |  ONS-SI-2G-S1-C |  ONS-SI-622-L2-C |  ONS-SI-2G-L2-C |  ONS-SI-622-I1-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP+ | SFP | SFP+ |
| Data Rate | 1G | 2G | 10G | 2G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 850 nm | 1310 nm | 1310nm | 1310nm | 1310nm |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 550 meters | 40 km | 10 km | 10 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5W | 2.5 W | N/A | 3.0W | 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 | Cisco / Juniper / Huawei / Arista |
| Product Name | ONS-SI-155-SR-MM-C | ONS-SI-2G-S1-C Optical Transceiver Module | ONS-SI-622-L2-C 10G SFP+ Long-Reach Transceiver | ONS-SI-2G-L2-C | ONS-SI-622-I1-C Optical Transceiver Module |
| Height | 0.96 inches | 0.41 inches | N/A | 0.33 inches | 0.68 inches |
| Width | 0.70 inches | 1.18 inches | N/A | 0.53 inches | 0.54 inches |
| Depth | 1.80 inches | 3.56 inches | N/A | 2.22 inches | 2.75 inches |
| Weight | 0.20 lbs | 0.07 lbs | N/A | 0.06 lbs | 0.25 lbs |
Perfect OC3/STM1 short-reach performance. This I-Temp module is stable and reliable on multi-mode fiber. Full compatibility with our Cisco ONS switches. Great signaling.
Exceptional signal integrity for our legacy transport gear. This I-Temp SFP delivers professional stability. No configuration issues and steady 155Mbps throughput observed.
Reliable short-range OC3 module. The build quality is excellent and it has been running flawlessly. A solid, cost-effective solution for our ONS fabric.
Outstanding stability in varied environments. This 1310nm SR module provided the link we needed with zero downtime. High-performing transceiver for ONS nodes.
Consistent performance at 155Mbps. The I-Temp rating is essential for our node locations. Reliable hardware that meets all our enterprise optical requirements.
The SFP-OC3/STM1 SR is a Cisco ONS compatible 155.52 Mb/s multimode fiber transceiver operating at 1310 nm with an industrial temperature range (–40 °C to +85 °C).
This module supports OC-3/STM-1 line rates at 155.52 Mb/s, ensuring reliable legacy and voice traffic transport.
It uses a 1310 nm laser optimized for multimode fiber short-reach applications up to 2 km.
It supports multimode fiber (50/125 µm OM2 and 62.5/125 µm OM1) for SR links up to 2 km.
On 50/125 µm OM2 multimode fiber, it reliably transmits up to 2 km at full OC-3/STM1 data rate.
This module operates from –40 °C to +85 °C, ensuring stable performance in extreme environments.
It is fully compatible with Cisco ONS series, including the ONS 15454 and ONS 15327 platforms.
Yes. The SFP form factor allows hot-insertion and removal without powering down the host device.
Yes. It features the SFF-8472 DOM interface for real-time monitoring of optical power, temperature, and voltage.
Align the module with the SFP slot, insert until it clicks, then verify link status via the host’s port LEDs.
The SKU is ONS-SI-155-SR-MM-C for the 155 Mb/s 1310 nm MM I-TEMP Cisco ONS compatible SFP.
Yes. It meets RoHS 2.0 (2011/65/EU) standards for restricted hazardous substances.
It includes a one-year limited warranty plus lifetime technical support for configuration and troubleshooting.
Most orders ship within 24 hours of order confirmation, with standard delivery in 2–5 business days.
Yes. This fully interoperable module works alongside Cisco OEM SFPs without manual configuration changes.
It is CE and FCC certified and compliant with Telcordia GR-468-CORE for long-term reliability.