Datasheet

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100G 10km QSFP28 Transceiver

ET7402-LR4

Product Features

■ Compliant with IEEE Std 802.3ba, 100G Ethernet LR4

■ Compliant with QSFP28 MSA

■ 4 cooled 25 Gb/s channels

■ 4 channels PIN photo detector

■ Single +3.3 V power supply

■ Class 1 laser safety certiﬁed

■ Power consumption less than 3.5 W

■ Commercial Operating Temperature: 0°C to +70°C

■ Up to 10 km on SMF

■ Duplex LC connector

■ RoHS Compliant

Applications

■ 100GBASE-LR4 Ethernet links

■ Data center

Descriptions

The ET7402-LR4 QSFP28 transceiver module is designed for 100 Gigabit Ethernet over single mode ﬁber. The

transceiver is compatible with the QSFP28 MSA and IEEE 802.3ba 100GBASE-LR4. Digital diagnostics functions

are available via the I2C interface, as speciﬁed by the QSFP28 MSA.

Ordering Information

Datasheet

Transceiver

Part Number Transmitter Output Power Receiver Sensitivity Reach Temp DDM RoHS

ET7402-LR4 1310 -4.3~ +4.5 dBm PIN < -8.6 dBm 10 km 0~ 70

C Available Compliant

Summary of content (4 pages)

PAGE 1
Datasheet Transceiver 100G 10km QSFP28 Transceiver ET7402-LR4 Product Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Compliant with IEEE Std 802.3ba, 100G Ethernet LR4 Compliant with QSFP28 MSA 4 cooled 25 Gb/s channels 4 channels PIN photo detector Single +3.3 V power supply Class 1 laser safety certiﬁed Power consumption less than 3.
PAGE 2
Datasheet Transceiver Pin Description GND TX1n TX1p GND TX3n TX3p GND LPMode Vcc1 VccTx IntL ModPrsL GND RX4p RX4n GND RX2p Rx2n GND GND TX2n TX2p GND TX4n TX4p GND ModSelL ResetL VccRx SCL SDA GND RX3p RX3n GND RX1p RX1n GND Card Edge 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 Top Side 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Bottom Side Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device.
PAGE 3
Datasheet Transceiver Recommended Operating Conditions Parameter Symbol Minimum Typical Maximum Unit Operating Case Temperature Tc 0 25 70 °C Supply Voltage Vcc 3.135 3.3 3.465 V - - 25.78125 - Gb/s Data Rate Per Channel Transceiver Electrical Characteristics Parameter Symbol Minimum Typical Maximum Unit Module Supply Current Icc - - 1100 mA Power Dissipation PD - - 3.
PAGE 4
Datasheet Transceiver Warranty Please check www.edge-core.com for the warranty terms in your country. For More Information To ﬁnd out more about Edgecore Networks Corporation products and solutions, visit www.edge-core.com. About Edgecore Networks Corporation Edgecore Networks Corporation is in the business of providing innovative network solutions.