QSFP56 conforms to the Small Form Factor SFF8665 4-Channel Full-Duplex Passive Copper Cable Transceiver Support data rates: 50Gb/s PAM4 (per channel) Maximum aggregate data rate: 200Gb/s (4 x 50Gb/s) IEEE 802.3bj 200GEBASE-CR4 Copper link length up to 3m Power Supply: +3.3V Low crosstalk I2C

Compliant with QSFP-DD/QSFP28 MSA Standard Compliant with IEEE 802.3bj (100GBASE-CR4) Standard Compliant with IEEE 802.3by (25 Ethernet) Standard Data Rate:28G NRZ Per Channel Total Bandwidth 100 Gbps (4 Lane 28G NRZ) Low Power Consumption Management Interface follows SFF-8636 Standard and can

• Connector A: 1x QSFP 40Gbps Rated Connector (MSA SFF-8436 Compliant) • Connector B: 4x SFP+ 10Gbps Rated Connector (MSA SFF-8431 Compliant) • Compliant with IEEE 802.3ba 40GBASE-CR4 standard • Up to 10.3125Gbps transfer rate per SFP+ channel (40 Gbps aggregate) •

• Lower cost than QSFP+ optical transceiver and active optical cable (AOC) • Maximum aggregate data rate: 40 Gb/s (4 x 10Gb/s) • Hot-pluggable QSFP+ 38-PIN footprint • Single 3.3V power supply • Compliant with IEEE 802.3ba 40GBASE-CR4 standard • Compliant wit

Up to 25.78125Gbps data rate Hot-pluggable SFP 20PIN footprint Improved Pluggable Form Factor(IPF)compliant for enhanced EMI/EMC performance Compatible to SFP28 MSA Compatible to SFF-8402 and SFF-8432 Temperature Range: 0~ 70 °C RoHS Compatible

MSA SFF-8431 compliant Supports serials data rates up to 10Gbps Hot pluggable High cost effective to Fiber optics solution Low power consumption Enhanced EMI suppression Differential impedance 100ohm