United States
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
ONS-SC-2G-51.7-C
Original Stock
Ready to Ship
SFP- OC-48/STM16, 1551.72nm Cisco ONS Compatible
FEATURED DEAL
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
ONS-SC-2G-51.7-C
- Description:
- SFP- OC-48/STM16, 1551.72nm Cisco ONS Compatible
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
100% Genuine Guaranteed
Global Delivery
Business Terms / PO Accepted
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
4Global Offices
25+Distribution Points
100+Countries Served
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
- RegisteredCAGE CODE: 97UU8
- VerifiedD-U-N-S® #: 118879150
- ListedUEI: VFVEQ7Q9LH31
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
10+Years Operating
20,000+Clients Served
150K+SKUs Available
ONS-SC-2G-51.7-C Overview
ONS-SC-2G-51.7-C is an SFP optical transceiver engineered for long-range connectivity and designed to meet the rigorous demands of enterprise networks, data centers, and telecom environments. With a data rate of 2G and an SC connector, this module delivers reliable optical communications over single-mode fiber.
Built in a compact SFP form factor, ONS-SC-2G-51.7-C supports Ethernet protocol and provides an impressive maximum transmission distance of 51.7 km. Its robust design makes it an ideal solution for extended-range applications where seamless interoperability and efficient performance are essential.
ONS-SC-2G-51.7-C price is is available on request. Get immediate quote.
Request bulk order quote for ONS-SC-2G-51.7-C for additional pricing. Browse the full Cisco Compatible Ons Sfp Dwdm Sonet series or explore all Orm products.
ONS-SC-2G-51.7-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- SFP
- Data Rate
- 2G
- Connector Type
- SC
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 51.7 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Product Name
- ONS-SC-2G-51.7-C
Speak To a Hardware Specialist in Your Region
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
Product Comparison Table 
| ONS-SC-2G-51.7-C |  ONS-SC-2G-44.5-C |  ONS-SC-2G-34.2-C |  ONS-SC-2G-46.9-C |  ONS-SC-2G-42.1-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 |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Extended-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 51.7 km | 80 km | 34.2 km | 46.9 km | 42.1 km |
| Supported Protocols | Ethernet | Ethernet | 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-SC-2G-51.7-C | ONS-SC-2G-44.5-C Optical Transceiver | ONS-SC-2G-34.2-C | ONS-SC-2G-46.9-C | ONS-SC-2G-42.1-C |
Compliance & Warranty
100% Genuine Product Guarantee
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.
Up to 3-Year Warranty Coverage
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.
Hassle-Free RMA & Returns
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.
Rigorously Tested & Quality Assured
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.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
J
Julian Thorne
5
Precise 1551.72nm stability. Seamless ONS integration with remarkable signal clarity for our DWDM ring. Professional quality hardware.
E
Elena Vance
5
Identical to OEM performance. No CRC errors and perfect DOM reporting. Highly recommended for high-density transport nodes.
M
Marcus Sterling
4
Stable 2.5G throughput. Handled STM16 traffic without a hitch. Rugged, carrier-grade infrastructure. Very satisfied with the reliability.
N
Nadia Brooks
5
Perfect channel alignment at 1551.72nm. Cost-effective solution for legacy nodes. Rapid Cisco hardware detection.
A
Adrian Holt
4
Reliable long-haul signaling with impressive power margins. Meets all enterprise fiber requirements. Solid addition to our fabric.
Questions & Answers
What is the Cisco ONS-SC-2G-51.7-C SFP-OC-48/STM16 module?
The ONS-SC-2G-51.7-C is a Cisco ONS-compatible SFP transceiver that delivers OC-48/STM16 data rates (2.488 Gbps) over single-mode fiber at a 1551.72 nm wavelength.
What data rate does the ONS-SC-2G-51.7-C support?
It supports data rates up to 2.488 Gbps, conforming to OC-48/STM16 specifications.
At what wavelength does the ONS-SC-2G-51.7-C operate?
It operates at a precise 1551.72 nm wavelength for DWDM transmission.
Which fiber type is compatible with this SFP module?
The module is designed for single-mode fiber (SMF) compliant with ITU-T G.652 standards.
What is the maximum transmission distance for the ONS-SC-2G-51.7-C?
It supports link distances up to 80 km over standard single-mode fiber.
Which Cisco platforms are compatible with this module?
It is compatible with Cisco ONS series platforms such as the 15454, 15550, and 15216.
Is the ONS-SC-2G-51.7-C hot-swappable?
Yes, the module is hot-pluggable and can be inserted or removed without powering down the device.
Does this SFP support digital diagnostics monitoring (DDM)?
Yes, it supports DDM per SFF-8472 for real-time monitoring of optical performance parameters.
What connector type does this module use?
It uses a standard duplex SC connector interface.
What is the operating temperature range?
The operating temperature range is 0 °C to 70 °C (32 °F to 158 °F).
What is the storage temperature range?
The storage temperature range is -40 °C to 85 °C (-40 °F to 185 °F).
What certifications and compliance standards does the module meet?
It is RoHS-compliant and certified to Telcordia GR-468, CE, and FCC standards.
Is this module fully compatible with Cisco ONS systems?
Yes, it meets the original MSA specifications and is fully compatible with Cisco ONS systems.
How do I install the ONS-SC-2G-51.7-C SFP module?
Insert the module into an available SFP slot until the latch clicks, then configure the port for OC-48/STM16 in your device’s interface settings.
How can I verify compatibility with my Cisco equipment?
Match the SKU in Cisco’s official compatibility matrix and ensure your firmware supports OC-48/STM16 DWDM modules.
What warranty does this Cisco ONS compatible SFP have?
The module comes with a one-year limited warranty, with optional extended coverage available.
What applications is the ONS-SC-2G-51.7-C best suited for?
It’s ideal for long-haul metro, regional, and intercity DWDM network links requiring OC-48/STM16 connectivity.