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Ewan Whittaker
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Perfect DWDM alignment. Stable performance in our ONS nodes. Excellent margins.
ONS-SC-2G-31.9-C
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SFP- OC-48/STM16, 1531.90nm Cisco ONS Compatible
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ONS-SC-2G-31.9-C
- Description:
- SFP- OC-48/STM16, 1531.90nm Cisco ONS Compatible
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ONS-SC-2G-31.9-C Overview
ONS-SC-2G-31.9-C is an SFP optical transceiver engineered to support a 2G data rate with an SC connector interface. It operates at a wavelength of 1310 nm, is designed for long-range applications up to 31.9 km using single-mode fiber, and strictly supports Ethernet protocol, making it an ideal choice for telecom and enterprise network environments.
This compact transceiver is crafted to deliver reliable performance in data centers and enterprise networks, with physical dimensions optimized for standard SFP modules. Its robust design and adherence to industry temperature specifications ensure stable operation under diverse environmental conditions.
ONS-SC-2G-31.9-C price is is available on request. Get immediate quote.
Request bulk order quote for ONS-SC-2G-31.9-C for additional pricing. Browse the full Cisco Compatible Ons Sfp Dwdm Sonet series or explore all Orm products.
ONS-SC-2G-31.9-C Specifications
- Product Type
- Transceiver
- Form Factor
- SFP
- Data Rate
- 2G
- Connector Type
- SC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 31.9 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 3.5W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- N/A
- Product Name
- ONS-SC-2G-31.9-C Optical Transceiver
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ONS-SC-2G-31.9-C |  ONS-SC-2G-54.1-C |  ONS-SC-2G-43.7-C |  ONS-SC-2G-42.9-C |  ONS-SC-2G-39.7-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 2G | 2G | 2G | 2G | 2G |
| Connector Type | SC | SC | SC | SC | SC |
| Wavelength | 1310 nm | 1310nm | N/A | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Multi-mode |
| Max Distance | 31.9 km | 80 km | N/A | 42.9 km | 300 meters |
| Supported Protocols | Ethernet | Ethernet, SONET | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 3.5W | 2.0W | N/A | N/A | 2.5W |
| 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 | N/A | Cisco, Juniper, Huawei, Arista | N/A | N/A | Cisco, Juniper, Huawei, Arista |
| Product Name | ONS-SC-2G-31.9-C Optical Transceiver | ONS-SC-2G-54.1-C | ONS-SC-2G-43.7-C | ONS-SC-2G-42.9-C | ONS-SC-2G-39.7-C |
| Height | N/A | 0.7 inches | N/A | N/A | 0.65 inches |
| Width | N/A | 1.2 inches | N/A | N/A | 1.0 inches |
| Depth | N/A | 1.5 inches | N/A | N/A | 1.2 inches |
| Weight | N/A | 0.1 lbs | N/A | N/A | 0.1 lbs |
Reviews & Ratings
F
Freya Pike
4
Professional optical transport. Smart investment for capacity. Easy to manage via DOM.
L
Leopold Orr
4
Consistent 2.5Gbps speeds. Rugged build. No packet loss or latency issues.
I
Imogen Cross
4
High-quality STM16 connectivity. Integrated perfectly. Dependable, cost-effective fiber alternative.
R
Ronan Fairley
4
Exceptional signal clarity. Rock-solid stability for backbone transport. Highly recommended hardware.
S
Selah Thorne
4
Robust module with great power budgets. Plug-and-play installation. Zero maintenance.
V
Vaughn Sterling
5
Reliable 1531.90nm signaling. Clean link over regional spans. Trustworthy hardware.
Questions & Answers
What is the Cisco ONS SFP OC-48/STM16 module SKU ONS-SC-2G-31.9-C?
The ONS-SC-2G-31.9-C is a Cisco ONS-compatible SFP transceiver supporting OC-48/STM16 at 1531.90 nm for single-mode fiber networks.
What data rate does the ONS-SC-2G-31.9-C support?
This module delivers a line rate of OC-48/STM16 (up to 2.488 Gbps) for high-speed optical transport.
What is the maximum transmission distance of this SFP OC-48/STM16 module?
Over standard single-mode fiber, the ONS-SC-2G-31.9-C supports link spans up to 80 km (49.7 miles).
At what wavelength does the ONS-SC-2G-31.9-C operate?
This SFP transceiver operates at a nominal wavelength of 1531.90 nm for optimized DWDM/SONET applications.
Which fiber type is required for the ONS-SC-2G-31.9-C?
The module is designed for single-mode fiber (SMF) compliant with ITU-T G.652 standards.
What connector does the Cisco ONS SFP OC-48/STM16 use?
It features a duplex SC connector for simple, reliable fiber connections.
Is the ONS-SC-2G-31.9-C hot-swappable?
Yes, the module supports hot-swap installation without powering down the host device.
Which Cisco ONS platforms are compatible with this module?
It is fully compatible with Cisco ONS 15454, ONS 15500 series, ONS 15600 and similar transport platforms.
Does the ONS-SC-2G-31.9-C support digital diagnostics monitoring (DDM)?
Yes, it provides real-time DDM/DOM functions including optical power, temperature, and voltage monitoring.
What is the operating temperature range for this SFP transceiver?
The module operates reliably between 0 °C and 70 °C (32 °F to 158 °F) ambient temperature.
What is the mean time between failures (MTBF) of the ONS-SC-2G-31.9-C?
The typical MTBF exceeds 1,000,000 hours, ensuring long-term network availability.
Is the ONS-SC-2G-31.9-C Cisco certified or third-party compatible?
This SFP is a fully compatible third-party module rigorously tested to meet Cisco ONS specifications.
What warranty coverage is offered for the ONS-SC-2G-31.9-C?
It includes a one-year limited warranty covering defects in materials and workmanship.
How do I install the Cisco ONS SFP OC-48/STM16 module?
Simply insert the transceiver into the host SFP port until it clicks and secure the fiber cables to the SC connector.
How do I order the ONS-SC-2G-31.9-C SFP OC-48/STM16 module?
Purchase by specifying SKU ONS-SC-2G-31.9-C through authorized resellers or our online store for fast delivery.
Can the ONS-SC-2G-31.9-C interoperate with modules from other vendors?
Yes, as long as the host platform supports standard SFP OC-48/STM16 transceivers, interoperability is guaranteed.