
ABEX TECHNOLOGIES CO. LTD
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Laser System
Light Analysis


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Multilane
ML4062-MCB-LPBK
QSFP-DD Module Compliance Board
(Host Loopback)

ML4062-MCB-LPBK is a QSFP-DD host board with high-speed lanes looped back from TX to RX. It includes a complete user-friendly GUI supporting all features defined by QSFP-DD MSA and simplifying configuration processes to enable intuitive memory map programming and testing. It is designed to simulate an ideal environment for QSFP-DD transceivers module testing, characterization and manufacturing.
Supports two QDD modules
Tx and Rx lanes of both modules are looped-back on-board
Matched differential traces length
High performance signal integrity traces
I2C master driven from both on-board microcontroller or external pin headers
On-board pin headers for MSA low speed signals external control
Internal noise injection option through a programmable switching regulator
Power margining between 3.1 V and 3.6 V
On-board LEDs displaying MSA low speed signals states
Current Sense • Voltage Sense
Temperature Sense
USB interface
Ethernet interface
DATASHEET