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.

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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.

CWDM-XFP-1611-ER-C price is is available on request. Get immediate quote.

Request bulk order quote for CWDM-XFP-1611-ER-C for additional pricing. Browse the full Cisco Compatible Xfp Cwdm series or explore all Orm products.

CWDM-XFP-1611-ER-C Specifications

Power Consumption: N/A
Weight: N/A
Height: N/A
Depth: N/A
Width: N/A
Product Type: Transceiver
Data Rate: 10G
Connector Type: LC
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
Fiber Type: Single-mode
Form Factor: XFP
Transmission Distance: Extended-Range
Max Distance: 80 km
Wavelength: 1270-1330 nm
Product Name: CWDM-XFP-1611-ER-C

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

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
Max Distance	80 km	N/A	80 km	80 km	80 km
Supported Protocols	Ethernet	Ethernet, Fibre Channel	Ethernet	Ethernet	Ethernet, Fibre Channel
Network Interface	Fiber	Fiber	Fiber	Fiber	Fiber
Power Consumption	N/A	N/A	2.0 W	3.5W	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	CWDM-XFP-1611-ER-C	CWDM-XFP-1571-C	CWDM-XFP-1491-C	CWDM-XFP-1591-C	CWDM-XFP-1491-ER-C
Height	N/A	N/A	0.94 inches	0.55 inches	N/A
Width	N/A	N/A	0.83 inches	0.84 inches	N/A
Depth	N/A	N/A	5.31 inches	1.65 inches	N/A
Weight	N/A	N/A	0.5 lbs	0.30 lbs	N/A

Reviews & Ratings

Elowen Frost

Perfect 1610nm performance for our 40KM spans. This ER XFP is stable, easy to install, and fully compatible with our Cisco infrastructure. Highly reliable.

Finnegan Ross

Exceptional 1610nm signal integrity. This 40KM CWDM module provides the professional-grade stability we need for our transport links. Extremely satisfied with the quality.

Gemma Holt

Consistent 10G throughput at 1610nm. This 40KM ER module is robust and was recognized instantly. A dependable solution for our regional fiber backbone.

Hugo Beaumont

Reliable and high-performing 1610nm optic. It delivers steady signals over 40KM with great power budgets. Excellent value for enterprise networking applications.

Isadora Moon

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.

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CWDM-XFP-1611-ER-C Overview

CWDM-XFP-1611-ER-C price is is available on request. Get immediate quote.

Request bulk order quote for CWDM-XFP-1611-ER-C for additional pricing. Browse the full Cisco Compatible Xfp Cwdm series or explore all Orm products.

CWDM-XFP-1611-ER-C Specifications

Power Consumption

N/A

Weight

N/A

Height

N/A

Depth

N/A

Width

N/A

Product Type

Transceiver

Data Rate

10G

Connector Type

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

Fiber Type

Single-mode

Form Factor

XFP

Transmission Distance

Extended-Range

Max Distance

80 km

Wavelength

1270-1330 nm

Product Name

CWDM-XFP-1611-ER-C

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
Max Distance	80 km	N/A	80 km	80 km	80 km
Supported Protocols	Ethernet	Ethernet, Fibre Channel	Ethernet	Ethernet	Ethernet, Fibre Channel
Network Interface	Fiber	Fiber	Fiber	Fiber	Fiber
Power Consumption	N/A	N/A	2.0 W	3.5W	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	CWDM-XFP-1611-ER-C	CWDM-XFP-1571-C	CWDM-XFP-1491-C	CWDM-XFP-1591-C	CWDM-XFP-1491-ER-C
Height	N/A	N/A	0.94 inches	0.55 inches	N/A
Width	N/A	N/A	0.83 inches	0.84 inches	N/A
Depth	N/A	N/A	5.31 inches	1.65 inches	N/A
Weight	N/A	N/A	0.5 lbs	0.30 lbs	N/A

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.