T-25-S-LB-000

Overview

The T-25-S-LB-000 is a 25G loopback testers in SFP56 form factor. Programmable loopback modules for port validation and traffic simulation across all major form factors. Available in passive (0W) and active variants with optional retimer-based equalization.

Highlights

• 25G to 1.6T Coverage

  Full speed range from SFP56 25G up to OSFP 1.6T — one supplier for your entire test lab.

• Passive & Active Variants

  0W passive loopbacks for simple port validation; active variants with up to 60W for signal conditioning.

• Programmable

  Programmable active variants support custom test configurations and monitoring.

• Active Linear Equalized

  1.6T OSFP-CT with active linear equalization for advanced signal integrity testing.

• Active Retimered

  Retimer-based loopbacks for 800G and 400G — simulate real-world retimer performance.

• All Major Form Factors

  OSFP-CT, OSFP-FT, OSFP-RHS, OSFP-XD, QSFP-DD, QSFP112, QSFP56, SFP56.

Key specifications

Product Type

Loopback Testers

Data Rate

25G

Form Factor

SFP56

Standard

IEEE 802.3cd, SFF-8472

Power

0W

Features

• 25G to 1.6T Coverage: Full speed range from SFP56 25G up to OSFP 1.6T — one supplier for your entire test lab.
• Passive & Active Variants: 0W passive loopbacks for simple port validation; active variants with up to 60W for signal conditioning.
• Programmable: Programmable active variants support custom test configurations and monitoring.
• Active Linear Equalized: 1.6T OSFP-CT with active linear equalization for advanced signal integrity testing.
• Active Retimered: Retimer-based loopbacks for 800G and 400G — simulate real-world retimer performance.
• All Major Form Factors: OSFP-CT, OSFP-FT, OSFP-RHS, OSFP-XD, QSFP-DD, QSFP112, QSFP56, SFP56.