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CWDM-XFP-1611-ER-C
10GBase-CWDM XFP 1610nm 40KM Cisco Compatible
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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.
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| 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 |
Perfect 1610nm performance for our 40KM spans. This ER XFP is stable, easy to install, and fully compatible with our Cisco infrastructure. Highly reliable.
Exceptional 1610nm signal integrity. This 40KM CWDM module provides the professional-grade stability we need for our transport links. Extremely satisfied with the quality.
Consistent 10G throughput at 1610nm. This 40KM ER module is robust and was recognized instantly. A dependable solution for our regional fiber backbone.
Reliable and high-performing 1610nm optic. It delivers steady signals over 40KM with great power budgets. Excellent value for enterprise networking applications.
Professional grade 1610nm CWDM module. It provides a rock-solid link for our long-distance interconnects. Full Cisco compatibility and flawless performance ensured.
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.
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.
It is compatible with Cisco switches and routers supporting XFP slots, including the Catalyst 6500, 4500, 3750, 3560, ASR 9000 and ISR G2 series.
When used with standard G.652 single-mode fiber, it reliably transmits up to 40 km without additional amplification.
The module uses a duplex LC connector on single-mode fiber (SMF) with an 9/125 µm core/cladding diameter.
It operates at 1611 nm with 20 nm CWDM channel spacing, compliant with ITU-T G.695 standards.
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.
Yes, it supports real-time DDM, providing parameters like transmit/receive power, temperature, voltage and bias current via I²C interface.
The module is rated for 0 °C to +70 °C (standard commercial) and –40 °C to +85 °C (extended industrial) operating temperatures.
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.
Yes, it is hot-swappable, allowing insertion or removal without shutting down the host device or disrupting other ports.
It is compliant with IEEE 802.3av, ITU-T G.694.2, FCC-Part 15, RoHS, and CE, ensuring safety and electromagnetic compatibility.
The module’s firmware and hardware are designed to pass Cisco’s MDIX negotiation and diagnostics checks, ensuring seamless operation with Cisco OS.
It includes a one-year limited warranty covering defects in materials and workmanship, with optional extended support and replacement services.
Verify fiber cleanliness, check DDM readings for power levels, confirm correct wavelength, ensure proper Cisco port configuration and test with a known-good 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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