Optical Lab Equipment
FIBERSTAMP’s Optical Lab Equipment series provides comprehensive tools for optical network testing and validation — including Checkers, Loopback Modules, and the Cloud Programmer.
Designed for precision, reliability, and multi-form-factor compatibility to accelerate R&D, streamline production, and ensure consistent performance across AI and data center interconnects.
Checkers
FIBERSTAMP Checkers are compact test tools for transceiver, AOC, and DAC verification. They enable fast functional and signal integrity testing, providing cost-effective solutions for R&D, production, and maintenance in data center environments.
Ordering Information
Checkers for Transceivers/AOC/DAC
| Product Display | Product Number | Port | Data Rates | Type |
|---|---|---|---|---|
![]() | FCKL-400 | QSFP-DD | 400GE | FCKL-400 |
![]() | FCKL-200 | QSFP-DD | 200GE | Checker |
![]() | FCKH-200 | QSFP56 | 200GE | Checker |
![]() | FCKF-040 | QSFP | 40GE | Checker |
![]() | FCKF-100 | QSFP | 100GE | Checker |
![]() | FCKC-020 | SFP28 | 20GE | Checker |
![]() | FCKB-010 | SFP+ | 10GE | Checker |
![]() | FCP3-MPO | SFP/XFP/QSFP | N/A | Programmer |
![]() | FTB2-010 | SFP+/XFP | 10GE | Tunable Box |
Boost up higher bandwidth for
your data center
Loopback Module
Loopback Modules simulate port operation and verify signal integrity in switches and servers. They offer a reliable, low-cost way to test transceiver ports, validate link performance, and ensure system stability across diverse data center environments.
Ordering Information
| Product | Product Name | Data Rates | Channel | Power Consumption | P/N |
|---|---|---|---|---|---|
![]() | 400G QSFP-DD Loopback | 425Gbps | 8 | 5W | FLPL-400 |
![]() | 200G QSFP-DD Loopback | 206.25Gbps | 8 | 5W | FLPL-200 |
![]() | 200G QSFP56 Loopback | 212.5Gbps | 4 | 2.5W | FLPH-200 |
![]() | 100G SFP56-DD Loopback | 106Gb/s | 2 | 2W | FLPD-112 |
![]() | 100G QSFP28 Loopback | 103.125Gbps | 4 | 2.5W | FLPG-100 |
![]() | 25G SFP28 Loopback | 25Gbps | 1 | 1W | FLPC-E25 |
Boost up higher bandwidth for
your data center
Cloud Programmer
FIBERSTAMP cloud programmer is a small metal box that can read or write the internal memory EEPROM of the SFP, SFP+, SFP28, XFP, QSFP and QSFP28 pluggable optical modules and display the details of the EEPROM (such as the Part Number, Vendor Name, description and range).
| Product Display | Product Number | Port | Data Rates | Type |
|---|---|---|---|---|
![]() | FCKL-400 | QSFP-DD | 400GE | FCKL-400 |
![]() | FCKL-200 | QSFP-DD | 200GE | Checker |
![]() | FCKH-200 | QSFP56 | 200GE | Checker |
![]() | FCKF-040 | QSFP | 40GE | Checker |
![]() | FCKF-100 | QSFP | 100GE | Checker |
![]() | FCKC-020 | SFP28 | 20GE | Checker |
![]() | FCKB-010 | SFP+ | 10GE | Checker |
![]() | FCP3-MPO | SFP/XFP/QSFP | N/A | Programmer |
![]() | FTB2-010 | SFP+/XFP | 10GE | Tunable Box |










