Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
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:
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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:
DWDM-XFP-4056-ER-C
10GBASE-DWDM XFP 1540.56nm 40KM Cisco Compatible
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
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.

Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
DWDM-XFP-4056-ER-C is a 10G XFP transceiver engineered for dense wavelength division multiplexing (DWDM) networks with an extended-reach capability. It employs LC connectors and supports Ethernet protocols over single-mode fiber, ensuring high-performance connectivity in telecom, data center, and enterprise network environments.
This transceiver’s compact XFP form factor and optimized optical design deliver reliable long-distance communications with precise wavelength tuning. Its robust construction and adherence to industry standards make it an ideal solution for advanced DWDM applications where extended transmission distance and network compatibility are critical.
DWDM-XFP-4056-ER-C price is is available on request. Get immediate quote.
Request bulk order quote for DWDM-XFP-4056-ER-C for additional pricing. Browse the full Cisco Compatible Xfp Dwdm series or explore all Orm products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | XFP | XFP | XFP | XFP | XFP |
| Data Rate | 10G | 10G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1550 nm | 1550 nm | 1555 nm | 1550 nm | 1550 nm |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Extended-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 80 km | 80 km | 80 km | 120 km | 80 km |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Power Consumption | 3.5 W | 5 W | 3.5W | 1.5 W | 4W |
| 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 | Cisco / Juniper / Huawei / Arista |
| Product Name | DWDM-XFP-4056-ER-C | DWDM-XFP-3819-C | DWDM-XFP-3190-C | DWDM-XFP-4692-ER-C | DWDM-XFP-3112-C |
| Height | 0.70 inches | 0.41 inches | 0.65 inches | 0.70 inches | 0.55 inches |
| Width | 1.00 inches | 0.97 inches | 3.0 inches | 0.55 inches | 0.60 inches |
| Depth | 1.80 inches | 4.13 inches | 1.0 inches | 0.75 inches | 2.20 inches |
| Weight | 0.20 lbs | 0.22 lbs | 0.22 lbs | 0.12 lbs | 0.12 lbs |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Flawless 1540.56nm performance for 40KM fiber runs. This ER module is robust and maintains steady signaling. Full Cisco compatibility ensured.
Professional 1540.56nm DWDM optic. The 40KM reach is accurate and the signal quality is superb. A dependable solution for high-capacity links.
Consistent 10G performance at 1540.56nm. This XFP module is durable and was recognized instantly by our switches. Very satisfied with the reliability.
Reliable 40KM connectivity for our DWDM grid. This 1540.56nm ER transceiver is a solid, cost-effective alternative to OEM hardware. Great performance.
High-quality signaling and robust build. The 1540.56nm wavelength is stable under load. Excellent for our regional data center interconnects.
The DWDM-XFP-4056-ER-C is a 10GBASE-DWDM XFP transceiver operating at 1540.56 nm with a 40 km reach, fully Cisco compatible for high-density DWDM networks.
This module supports the ITU grid channel 56 at a wavelength of 1540.56 nm for DWDM deployments.
It delivers reliable 10 Gbps connectivity over single-mode fiber for distances up to 40 km without amplification.
Yes, it is fully compatible with Cisco platforms and passes Cisco’s transceiver authentication checks for seamless integration.
You must use ITU-T G.652 single-mode fiber (SMF) with LC connectors to ensure optimal DWDM performance.
Yes, it supports hot-plug operation, allowing insertion or removal without powering down the host device.
It uses a duplex LC optical connector interface compliant with XFP MSA specifications.
Transmit power ranges from –2 dBm to +3 dBm, and receiver sensitivity is ≤ –16 dBm at a 10–12 bit error rate.
Yes, it supports SFF-8472-compliant DOM for real-time monitoring of optical parameters and diagnostic data.
The module operates reliably from 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
It is ideal for metro, long-haul, data center interconnect and high-density DWDM aggregation applications.
Yes, it meets XFP MSA, IEEE 802.3ae 10GBASE-ER, and ITU-T G.694.1 DWDM standards.
Insert the module into any XFP slot, ensure it clicks into place, then connect LC fiber cables; the host will auto-detect it.
It is OS-agnostic and works with any platform supporting standard XFP transceivers, including IOS, NX-OS, Junos, and Linux.
The module includes a lifetime warranty and unlimited technical support with free advanced replacement services.
No, DWDM and CWDM modules use different channel spacing; use dedicated DWDM components on the same fiber with proper multiplexers.