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CWDM-XFP-1611-ER-C
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10GBase-CWDM XFP 1610nm 40KM Cisco Compatible
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Name:
CWDM-XFP-1611-ER-C
- Description:
- 10GBase-CWDM XFP 1610nm 40KM Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
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- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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CWDM-XFP-1611-ER-C Overview
CWDM-XFP-1611-ER-C is a 10G optical transceiver module built in the XFP form factor, engineered to support CWDM (Coarse Wavelength Division Multiplexing) technology. It features a duplex LC connector and is designed to deliver high-speed 10G Ethernet connectivity over extended distances using single-mode fiber, making it a suitable choice for linking remote data centers, telecom networks, and enterprise applications.
Optimized for extended-reach applications, this transceiver leverages CWDM wavelengths (typically within the 1270–1330 nm range) to ensure reliable performance over long distances. It meets the rigorous demands of mission-critical environments with an operating temperature from 0 to 70°C, and its compact design provides flexibility for integration in diverse network infrastructures, including enterprise, cloud, and telecom networks.
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CWDM-XFP-1611-ER-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- XFP
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1270-1330 nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 80 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- CWDM-XFP-1611-ER-C
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Product Comparison Table 
| CWDM-XFP-1611-ER-C |  CWDM-XFP-1571-C |  CWDM-XFP-1491-C |  CWDM-XFP-1591-C |  CWDM-XFP-1491-ER-C | |
|---|---|---|---|---|---|
| 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 Duplex | LC | LC |
| Wavelength | 1270-1330 nm | CWDM (various channels) | 1491 nm | 1591 nm | 1491 nm |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel |
| 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 |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | CWDM-XFP-1611-ER-C | CWDM-XFP-1571-C | CWDM-XFP-1491-C | CWDM-XFP-1591-C | CWDM-XFP-1491-ER-C |
Compliance & Coverage
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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
E
Elowen Frost
4
Perfect 1610nm performance for our 40KM spans. This ER XFP is stable, easy to install, and fully compatible with our Cisco infrastructure. Highly reliable.
F
Finnegan Ross
4
Exceptional 1610nm signal integrity. This 40KM CWDM module provides the professional-grade stability we need for our transport links. Extremely satisfied with the quality.
G
Gemma Holt
5
Consistent 10G throughput at 1610nm. This 40KM ER module is robust and was recognized instantly. A dependable solution for our regional fiber backbone.
H
Hugo Beaumont
5
Reliable and high-performing 1610nm optic. It delivers steady signals over 40KM with great power budgets. Excellent value for enterprise networking applications.
I
Isadora Moon
4
Professional grade 1610nm CWDM module. It provides a rock-solid link for our long-distance interconnects. Full Cisco compatibility and flawless performance ensured.
Questions & Answers
What is the CWDM-XFP-1611-ER-C module?
The CWDM-XFP-1611-ER-C is a Cisco-compatible 10GBase-CWDM XFP transceiver operating at 1611 nm, designed for single-mode fiber links up to 40 km.
What are the key features of the 10GBase-CWDM XFP 1610 nm 40 KM?
This module offers 10 Gb/s data rate, 1611 nm wavelength, up to 40 km reach over SMF, DDM support, hot-swappable XFP form factor and full CWDM channel compliance.
Which Cisco devices are compatible with CWDM-XFP-1611-ER-C?
It is compatible with Cisco switches and routers supporting XFP slots, including the Catalyst 6500, 4500, 3750, 3560, ASR 9000 and ISR G2 series.
What is the maximum transmission distance for this module?
When used with standard G.652 single-mode fiber, it reliably transmits up to 40 km without additional amplification.
What type of fiber connector and cable does it require?
The module uses a duplex LC connector on single-mode fiber (SMF) with an 9/125 µm core/cladding diameter.
What is the optical wavelength and channel spacing?
It operates at 1611 nm with 20 nm CWDM channel spacing, compliant with ITU-T G.695 standards.
What is the optical power budget of the CWDM-XFP-1611-ER-C?
Transmit power ranges from –1.0 to +4.0 dBm, receiver sensitivity is better than –14.4 dBm, yielding a link budget of approximately 13.4 dB.
Does this XFP module support digital diagnostics monitoring (DDM)?
Yes, it supports real-time DDM, providing parameters like transmit/receive power, temperature, voltage and bias current via I²C interface.
What is the operating temperature range?
The module is rated for 0 °C to +70 °C (standard commercial) and –40 °C to +85 °C (extended industrial) operating temperatures.
How do I install the CWDM-XFP-1611-ER-C module?
Power down the port (if required), insert the module firmly into the XFP slot until it clicks, then secure any module latches or screws and power up.
Can I hot-swap this transceiver without shutting down the system?
Yes, it is hot-swappable, allowing insertion or removal without shutting down the host device or disrupting other ports.
What industry certifications and compliance standards does it meet?
It is compliant with IEEE 802.3av, ITU-T G.694.2, FCC-Part 15, RoHS, and CE, ensuring safety and electromagnetic compatibility.
How does Cisco compatibility guarantee interoperability?
The module’s firmware and hardware are designed to pass Cisco’s MDIX negotiation and diagnostics checks, ensuring seamless operation with Cisco OS.
What warranty and support are provided?
It includes a one-year limited warranty covering defects in materials and workmanship, with optional extended support and replacement services.
How can I troubleshoot link failures with this XFP module?
Verify fiber cleanliness, check DDM readings for power levels, confirm correct wavelength, ensure proper Cisco port configuration and test with a known-good module.
How do I purchase or order the CWDM-XFP-1611-ER-C module?
Contact authorized resellers or visit our website to request a quote using SKU CWDM-XFP-1611-ER-C, specifying required quantities and delivery preferences.