
Safe Checkout
Secure Payments
Fast Delivery
Order Today
Free Shipping
Across the US
Easy Returns
Hassle-Free
Nortel NTK591NF 1000Base-CWDM S-M Fiber 120km LC SFP Transceiver
- 1000Base-CWDM SFP
- 120km maximum distance
- Single-Mode Fiber (SMF) support
- Duplex LC connector
- CWDM (Coarse Wavelength Division Multiplexing) compatible
- Designed for long-haul transmission
Click on Inquire to get latest price
Free U.S. Ground Shipping
Typically 1-2 handling + 3-7 transit days
Purchase orders accepted
For government, enterprise, data center, and small business customers.
Bulk Purchase Inquiry
Volume pricing and availability
Product Overview
The Nortel NTK591NF is a 1000Base-CWDM SFP transceiver designed for single-mode fiber applications. It supports a transmission distance of up to 120km and utilizes a duplex LC connector.
Technical Information
| Standard | 1000Base-CWDM |
| Form Factor | SFP |
| Fiber Type | Single-Mode Fiber (SMF) |
Additional Specifications
| Max Distance | 120km |
| Connector Type | Duplex LC |
| Technology | CWDM |
Product Description
The Nortel NTK591NF is a high-performance SFP (Small Form-factor Pluggable) transceiver module specifically designed for long-haul optical networking. It operates according to the 1000Base-CWDM standard, enabling Gigabit Ethernet connectivity over single-mode fiber for distances up to an impressive 120 kilometers. This makes it an ideal solution for extending network reach across metropolitan areas or between geographically dispersed sites. The module utilizes Coarse Wavelength Division Multiplexing (CWDM) technology, allowing multiple signals to be transmitted over a single fiber strand by using different wavelengths. This significantly increases the fiber's capacity without requiring expensive multiplexing equipment. The duplex LC connector ensures a secure and reliable physical connection, which is critical for maintaining signal integrity over such extended distances. This transceiver is designed for integration into compatible networking equipment, such as switches and routers, that support SFP modules. Its long-reach capability and CWDM compatibility make it a valuable component for telecommunications providers, large enterprises, and service providers looking to build robust and scalable optical networks. The NTK591NF provides a reliable and efficient way to achieve high-speed data transmission over significant distances.
