Black Box LFP420 SFP 1250Mbps Extended Diagnostics Transceiver Module

Part No:LFP420 Write a Review

Condition:New

Brand:Black Box

Weight:1.29 lbs

Product Type:SFP Transceiver Module

Black Box LFP420

SFP 1250 Mbps Extended Diagnostics Transceiver Module

The Black Box LFP420 is a small form-factor pluggable (SFP) transceiver module designed for Gigabit Ethernet networking applications. Supporting data rates of up to 1250 Mbps, it features extended diagnostics monitoring capabilities, ensuring advanced management of optical performance for reliable network connectivity.

As a genuine Black Box product, the LFP420 provides seamless compatibility with enterprise-grade switches, routers, and media converters, offering secure and high-speed fiber connections for mission-critical networks.

Features :

This SFP Transceiver Module delivers Gigabit performance with low power consumption and hot-swappable functionality. With extended diagnostics (DDM), network administrators can monitor key parameters such as optical output power, temperature, voltage, and laser bias current in real time.

Advanced Options :

The LFP420 is compatible with IEEE 802.3 Gigabit Ethernet standards and supports flexible multimode or single-mode fiber connectivity, depending on cable type. Hot-swappable deployment reduces downtime, while robust diagnostics make troubleshooting and preventative maintenance easier in enterprise and ISP networks.

Product Key Features

  • Supports up to 1250 Mbps (1.25 Gbps)
  • SFP form factor with hot-pluggable design
  • Extended Digital Diagnostics Monitoring (DDM)
  • Compatible with industry Gigabit Ethernet standards
  • Compact, energy-efficient design
  • Seamless integration with Black Box switches and converters
  • Rugged and reliable for enterprise and carrier networks

Reliability & Performance :

The Black Box LFP420 ensures stable network links by providing advanced optical diagnostics and consistent Gigabit throughput. It offers long-term reliability and prevents failures by enabling proactive monitoring of link health in mission-critical deployments.

Key Features :

  • Gigabit Ethernet SFP module with diagnostics
  • Allows easy monitoring and troubleshooting
  • Energy-efficient, hot-swappable, reliable
  • Protects network uptime with proactive monitoring
  • Certified by Black Box
DC Supplies Banner
BrandBlack Box
SKULFP420
ConditionNew
Dimensions7 × 1.79 × 1.59 in
Weight1.29 lbs
Part NumberLFP420
Product TypeSFP Transceiver Module
Form FactorHot-swappable SFP Mini-GBIC
Data Rate1250 Mbps (1.25 Gbps)
Port InterfaceLC duplex connector
Cable SupportMultimode or Single-mode fiber (varies model)
Wavelength850 nm (MMF) / 1310 nm (SMF)
DistanceUp to 550 m (MMF) / Up to 10 km (SMF)
DDM SupportYes, Extended Digital Diagnostics Monitoring
Hot-PluggableYes
Compliance StandardsIEEE 802.3z Gigabit Ethernet
Operating Voltage3.3 V
Power Consumption< 1W typical
Operating Temperature0°C to +70°C
Storage Temperature-40°C to +85°C
HousingMetal case, EMI shielded
IndicatorsStatus monitored via diagnostics
ApplicationGigabit networks, enterprise LANs, metro fiber, ISPs
WarrantyBacked by Black Box warranty

Warranty

Backed by Black Box warranty

Returns

We guarantee free replacements on all new/refurbished equipment in case of any defects.

  • Returns must be requested within 30 days of the original invoice date.
  • Merchandise must be unused and in original packaging; bulk-packed and refurbished items must have unbroken sealing tape.
  • A 25% restocking fee applies to non-defective merchandise returned by mistake.
  • Discontinued, close-out, and custom printed items are non-returnable unless defective.
  • Customer is responsible for return freight costs.

View full return policy

Customer Reviews of the Black Box LFP420 SFP 1250Mbps Extended Diagnostics Transceiver Module

Based on 0 Reviews
5 Stars
0% (0)
4 Stars
0% (0)
3 Stars
0% (0)
2 Stars
0% (0)
1 Star
0% (0)

Filter Results

Do you own this product?

Write a Review

There are no reviews yet.

Write a Review

Your email address will not be published. Required fields are marked *

We Accept

  • PayPal
  • All Credit & Debit Cards
  • Purchase Orders
  • Check
  • Bank Transfer / ACH / Wire Transfer

To pay by PayPal or credit/debit card, simply check out and process payment online.

To pay by Purchase Order, Check, or Bank Transfer, please contact us:
Call: (469) 458-9636
Email: sales@dcsupplies.net

All packages are shipped same day if the order is placed before 3PM CST.

We use UPS/FedEx to ship packages, with different service levels offered by UPS/FedEx:

  • Overnight Shipping - 1 business day
  • Expedited Shipping - about 2-3 business days
  • Ground Shipping - about 3-5 business days

You can select the desired service level at checkout, and we will make sure the package is shipped per the selected service level.