BLACK BOX
BLACK BOX LFP421 EXTR SFP EXT DIAG - (1) 1.25-GBPS SM SMPLX 1310/1550NM 10KM
Mfg Part Number: LFP421 , Item #: 6098534
Image may not reflect the actual item.
Price: $122.22
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Jun 13, 2026
No Sales Tax except these states
, PO and Wire.
Modular flexible optical transceivers for data communications equipment.
This SFP supports throughput of up to 1250 Mbps, making it well-suited for high-speed applications such as 1000-Mbps Ethernet. It provides essential link information, including SFP type, fiber link length, wavelength, and bit rate. Its extended diagnostics feature reports key data such as temperature, transmit (TX) and receive (RX) power, voltage, and bias current. The hot-pluggable interface allows for easy SFP replacement without downtime, making it ideal for changing network requirements. Compatible with SFP slots on most network devices.
Main Specification
| General Information | |
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | LFP421 |
| Manufacturer Website Address | http://www.blackbox.com |
| Brand Name | Black Box |
| Product Series | LFP410 |
| Product Model | LFP421 |
| Product Name | LFP421 SFP (mini-GBIC) Module |
| Product Type | SFP (mini-GBIC) |
| Technical Information | |
| Application/Usage | Optical Network |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x Simplex LC 1000Base-X Network |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Optic Cable Wavelength | 1550 nm |
| Fiber Optic Cable Wavelength | 1310 nm |
| Fiber Mode Supported | Single-mode |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-X |
| Maximum Distance Supported | 10 km |
| Maximum Data Transfer Rate | 1.25 Gbit/s |
| Environmental Conditions | |
| Minimum Operating Temperature | -40°F (-40°C) |
| Maximum Operating Temperature | 185°F (85°C) |
| Power Description | |
| Input Voltage | 3.3 V DC |
| Physical Characteristics | |
| Form Factor | Hot-pluggable |
| Height | 0.7" |
| Width | 0.6" |
| Depth | 2.8" |
| Weight (Approximate) | 0.05 lb |
| Miscellaneous | |
| TAA Compliant | Yes |
| Warranty | |
| Limited Warranty | 1 Year |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
