• E-OSFP(800G) Loopback
• S-QSFP-DD(200G) and U-QSFP-DD(400G) Loopback
• S-QSFP(100G)/U-QSFP(200G) Loopback (Enhanced Version)
• S-QSFP(100G) Loopback
• QSFP+ Loopback
• S-SFP(25G) and U-SFP(56G) Loopback (Enhanced Version)
• S-SFP(25G) and U-SFP(56G) Loopback
• SFP+ Loopback

S-QSFP-DD(200G) and U-QSFP-DD(400G) Loopback

Luxshare-TECH’s Super QSFP-DD(200G) and Ultra QSFP-DD(400G) passive electrical loopback module is used for high speed testing application for QSFP-DD host ports. The Super QSFP-DD(200G) and Ultra QSFP-DD(400G) loopback are designed for 200Gbps and 400Gbps Gigabit Ethernet applications seperately, which the loopback provides 8x28Gbps(NRZ) or 8x56Gbps(PAM4) RX and TX lanes, I2C module management interface and all the QSFP-DD SFF hardware signals. This Loopback module loops back 8-lane 28Gbps or 56Gbps transmitting data from the Host back to 8-lane 28Gbps or 56Gbps receiving data port to the Host, it provides an efficient way to verify QSFP-DD ports during R&D test, production testing and field testing. Luxshare-TECH Super QSFP-DD(200G) and Ultra QSFP-DD(400G) Loopback provides programmable power dissipation up to 15W~20W allowing the module to emulate all the QSFP-DD power classes. It also provides a voltage sense, an insertion counter, a power staging, a LED blinking rate, an upper temperature cut off and 4 temperature sensors.

FEATURES & BENEFITS

• High speed signals Loopback: TX are electrically looped back to RX per lane with attenuation options at 28Gbps/lane or 56Gbps/lane
• Data communication interface: The Loopback Module supports the same I2C interface as optical module
• LED indicator: A dual-color LED shows low/high power mode status and I2C enable/disable status
• Power control: Power dissipation could be controlled by I2C artificially, Range 0-20W, resolution is 0.2W
• Temperature monitor: 2 sensors on PCBA, another two closed to shell. Temp data could be read by I2C
• Cut-off temperature: A Cut-off temperature is pre-defined by register. Avoiding the overheating
• Insertion counter: Insertion action could be counted and it is nonvolatile
• Voltage monitoring: Vcc could be detected. Range 0~3600mV, Resolution 0.1mV
• Device information read/write access right: System ID, Revision, Module dynamic info. Password entry etc
• Low speed signal: Modsel, Reset, Lpmode, Modprsl, IntL, SCL&SDA etc
• Visual software interface: Intelligent user interface available

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