Datasheet

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100G QSFP28 ER4 Transceiver

ET7402-ER4

Edgecore’s ET7402-ER4 QSFP28 transceiver modules are designed for 100 Gigabit Ethernet over single mode ﬁber.

They are compliant with the QSFP28 MSA, 100GBASE-ER4 Lite. Digital diagnostics functions are available via the

I2C interface, as speciﬁed by the QSFP28 MSA.

The module is compliant with RoHS.

Product Features

■ Compliant with QSFP28 MSA

■ Compliant with 100G Ethernet ER4 Lite

■ 4 cooled 25Gb/s channels LAN WDM EML TOSA

■ 4 channels APD photo detector

■ Single +3.3 V power supply

■ Class 1 laser safety certiﬁed

■ Power consumption less than 4.5 W

■ Commercial operating temperature: 0°C to +70°C

■ Up to 30km on SMF without FEC & 40km with FEC

■ Duplex LC connector

■ RoHS 6/6 compliant

Applications

■ 100G Ethernet

■ Data center

Ordering Information

Datasheet

Transceiver

Part Number Data Rate Fiber Distance Interface Temp. DDMI

ET7402-ER4 100Gbps SMF

30 km without FEC &

40 km with FEC

Duplex LC 0~+70℃ Yes

Summary of content (6 pages)

PAGE 1
Datasheet Transceiver 100G QSFP28 ER4 Transceiver ET7402-ER4 Edgecore’s ET7402-ER4 QSFP28 transceiver modules are designed for 100 Gigabit Ethernet over single mode ﬁber. They are compliant with the QSFP28 MSA, 100GBASE-ER4 Lite. Digital diagnostics functions are available via the I2C interface, as speciﬁed by the QSFP28 MSA. The module is compliant with RoHS.
PAGE 2
Datasheet Transceiver Transmitter Optical Characteristics Parameter Symbol Minimum Launch Optical Power per Lane Po -2.9 Total Launch Optical Power Po Typical Maximum Unit +2.9 dBm 1 +8.9 dBm 1 L1 1294.53 1295.56 1296.59 nm L2 1299.02 1300.05 1301.09 nm L3 1303.54 1304.58 1305.63 nm L4 1308.09 1309.14 1310.19 nm Extinction Ratio EX 8.
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Datasheet Transceiver Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Storage Temperature Ts -40 85 °C Relative Humidity RH 5 5 % Supply Voltage Vcc -0.5 4.0 V Recommended Operating Conditions Parameter Symbol Min. Typical Max. Unit Operating Case Temperature Tc 0 25 70 °C Supply Voltage Vcc 3.135 3.3 3.465 V Data Rate per Channel 25.78125 Gb/s Electrical Characteristics Parameter Symbol Min. Typical Max.
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Datasheet Transceiver QSFP28 Transceiver Electrical Pad Layout 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 Bottom Side 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
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Datasheet Transceiver Transceiver Electrical Pad Layout Pin Name Function/Description 1 GND Transmitter Ground (Common with Receiver Ground) 2 Tx2- Transmitter Inverted Data Input 3 Tx2+ Transmitter Non-Inverted Data output 4 GND Transmitter Ground (Common with Receiver Ground) 5 Tx4- Transmitter Inverted Data Input 6 Tx4+ Transmitter Non-Inverted Data output 7 GND Transmitter Ground (Common with Receiver Ground) 1 8 ModSelL Module Select 2 9 ResetL Module Reset 2 10 VccR
PAGE 6
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.