Name:
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:
DWDM-SFP-4851-120-C
1000BASE-DWDM SFP 1548.51nm 120KM Cisco Compatible
TRUSTED, TRIED, PROVEN
$5,000,000+
Inventory Delivered By
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
DWDM-SFP-4851-120-C is an SFP transceiver module built for DWDM systems that delivers a 1G data rate over LC fiber connectors, enabling long-range transmission up to 120 km on single-mode fibers. It is engineered to support Ethernet protocols in high-performance enterprise, data center, and telecom network applications.
Optimized for reliable DWDM channel operation, this compact SFP form factor module meets rigorous physical dimension standards for rack-mounted optical networking gear. Its design makes DWDM-SFP-4851-120-C ideal for metro networks and critical infrastructure deployments requiring precise wavelength control and energy-efficient performance.
DWDM-SFP-4851-120-C price is is available on request. Get immediate quote.
Request bulk order quote for DWDM-SFP-4851-120-C for additional pricing. Browse the full Cisco Compatible Sfp Dwdm series or explore all Orm products.
To get the detailed certification, please go to the Compliance Center.
| DWDM-SFP-4851-120-C |  DWDM-SFP-3819-C |  DWDM-SFP-4532-120-C |  DWDM-SFP-4692-C |  DWDM-SFP-4294-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | SFP | SFP | SFP | SFP |
| Data Rate | 1G | 1G | 10G | 1G | 1G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1528 nm | 1550 nm | 1550 nm | 1550 nm |
| Transmission Distance | Long-Range | Long-Range | Extended-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 120 km | 80 km | 120 km | 80 km | 80 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 1.5W | 2.5W | N/A | 1.5W | 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 | DWDM-SFP-4851-120-C | DWDM-SFP-3819-C | DWDM-SFP-4532-120-C | DWDM-SFP-4692-C | DWDM-SFP-4294-C |
| Height | 0.53 inches | 0.25 inches | N/A | 0.26 inches | N/A |
| Width | 2.22 inches | 0.5 inches | N/A | 0.78 inches | N/A |
| Depth | 0.33 inches | 1.0 inches | N/A | 1.34 inches | N/A |
| Weight | 0.1 lbs | 0.04 lbs | N/A | 0.07 lbs | N/A |
Perfect 1548.51nm precision for 120KM. Cisco equipment recognized these instantly. Stable link with zero errors. Ideal.
Exceptional 120KM performance. Strong signal and stable wavelength. Reliable, cost-effective solution for extreme-distance fiber infrastructure.
Solid integrity and easy 120KM deployment. Built for ultra-long reach. Channel remains clean under peak loads.
Reliable long-range optics. Zero issues since deploying 1548.51nm modules. Professional choice for DWDM network expansion.
High-quality transceivers. Impressive accuracy ensures our multiplexing runs smoothly without interference. Great value and compatibility.
Stable and efficient 120KM modules. Delivers the performance required for core transport. Highly dependable for networking.
The DWDM-SFP-4851-120-C is a 1000BASE-DWDM SFP transceiver operating at 1548.51 nm with a reach of up to 120 km and full Cisco compatibility.
This module supports a data rate of 1.25 Gbps, compliant with the 1000BASE-DWDM standard for Gigabit Ethernet networks.
The module operates at a fixed ITU grid wavelength of 1548.51 nm, ideal for dense wavelength division multiplexing.
It reliably transmits up to 120 km over single-mode fiber (SMF-28) without the need for external amplification.
Yes, the DWDM-SFP-4851-120-C is fully interoperable with Cisco switches and routers that accept 1000BASE-DWDM SFPs.
For best results, use standard single-mode fiber (SMF-28) with an ITU-T G.652 compliant profile.
Yes, it adheres to MSA specifications and works seamlessly in any 1000BASE-DWDM–compliant platform.
The transceiver uses a hot-pluggable Small Form-Factor Pluggable (SFP) housing for easy installation and removal.
It features an LC duplex connector, standard for single-mode DWDM applications.
The DWDM-SFP-4851-120-C consumes less than 1 W in typical operation, ensuring energy-efficient performance.
It supports an industrial temperature range from –40 °C to +85 °C for reliable field deployment.
Yes, it provides real-time monitoring of optical power, temperature, voltage, and laser bias current via the SFF-8472 interface.
We offer a limited lifetime warranty and 24/7 technical support for all DWDM-SFP-4851-120-C modules.
The module is Class 1 laser certified (IEC 60825-1), ensuring safe operation under all conditions.
Simply hot-plug the unit into any compatible SFP slot on your switch or router and verify link status in the device’s management interface.
You can order directly from our website or through authorized channel partners listed in our global distributor network.
United States