40km 400GBASE-ER8 QSFP-DD Optical Transceiver Module

40km 400GBASE-ER8 QSFP-DD Optical Transceiver Module

Description

ETSC’s OM9660ES100 module are designed for 40km optical communication applications, and it is com-pliant to IEEE 802.3bs for 400GE Ethernet. This module contains 8-lane optical transmitter, 8-lane optical receiver and module management block including 2 wire serial interface. The optical signals are multiplexed to a single-mode fiber through an industry standard LC connector.

Features

  • QSFP-DD MSA compliant
  • Compliant to IEEE 802.3bs 400GBASE-ER8
  • Digital diagnostic monitoring support
  • Hot pluggable 76 pin electrical interface
  • 8 LAN-WDM lanes MUX/DEMUX design
  • 53.125Gbit/s PAM4 Channel Electrical Serial Interface (400GAUI-8)
  • Maximum power consumption 15.4W
  • LC duplex connector
  • Supports 425Gb/s bit rate
  • Up to 40km transmission on single mode fiber
  • Operating case temperature: 0℃ to 70℃
  • Single 3.3V power supply
  • RoHS 2.0 compliant

Applications

  • 400GBASE-ER8 Ethernet
  • Telecom networking
  • Data Center Interconnect

Absolute Maximum Ratings

It has to be noted that the operation in excess of any individual absolute maximum ratings might cause perma-nent damage to this module.

Parameter Symbol Min Typ Max Unit Notes
Maximum Supply Voltage Vcc -0.5 3.3 3.6 V
Storage Temperature Ts -40 85
Relative Humidity RH 10 85 % 1
Damage Threshold, each lane THd -3.4 dBm
Notes
  1. Non-condensing

Operating Environments

Electrical and optical characteristics below are defined under this operating environment, unless otherwise specified.

Parameter Symbol Min Typ Max Unit
Supply Voltage Vcc 3.135 3.3 3.465 V
Case Temperature Top 0 70
Link Distance with G.652 40 km

Electrical Characteristics

Parameter Symbol Min Typ Max Unit Note
Power dissipation 15.4 W
Supply Current Icc 4.912 A Steady state
400GAUI-8 Electrical Characteristics
Transmitter
Signaling Rate, each lane 26.5625 GBd PAM4
Differential Voltage pk-pk Vin, pp 880 mV
Common Mode Voltage Vcm -0.3 2.8 V
Common Mode Noise RMS 17.5 mV
Differential Termination Re- sistance Mismatch 10 %
Transition time Trise/Tfall 12 ps 20%~80%
Eye Width at 10-6 probability EW6 0.2 UI
Eye Height at at 10-6 probability EH6 32 mV
Eye Linearity 0.85
Receiver
Signaling Rate, each lane 26.5625 GBd PAM4
Differential Voltage pk-pk Vout, pp 900 mV
Transition time Trise/Tfall 9.5 ps 20%~80%
Near-end eye width at 10-6 probability EW6 0.265 UI
Near-end eye height at 10-6 probability EH6 70 mV
Far-end eye width at 10-6 probability EW6 0.2 UI
Far-end eye height at 10-6 probability EH6 30 mV
Near-end Eye Linearity 0.85

Optical Characteristics

400GBASE-ER8 Operation (EOL, TOP = 0 to +70℃, VCC = 3.135 to 3.465 Volts)

Parameters min type max Unit Note
Transmitter
Signaling Speed per Lane 26.5625 ± 100 ppm GBd
Transmit wavelengths 1272.55 1273.54 1274.54 nm
1276.89 1277.89 1278.89
1281.25 1282.26 1283.27
1285.65 1286.66 1287.68
1294.53 1295.56 1296.59
1299.02 1300.05 1301.09
1303.54 1304.58 1305.63
1308.09 1309.14 1310.19
Total Average Launch Power 14.6 dBm
Average launch power, each lane -0.6 5.6 dBm
Optical Modulation Amplitude (OMA), each lane 2.4 6.4 dBm
Extinction Ratio (ER) 6 dB
Side-Mode Suppression Ratio (SMSR) 30 dB
Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane 3.4 dB
Average launch power of OFF transmitter, each lane (max) -30 dBm
RIN15OMA -132 dB/Hz
Optical return loss tolerance 15 dB
Transmitter reflectance -26 dB
Receiver
Signaling Speed per Lane 26.5625 ± 100 ppm GBd
Receive wavelengths 1272.55 1273.54 1274.54 nm
1276.89 1277.89 1278.89
1281.25 1282.26 1283.27
1285.65 1286.66 1287.68
1294.53 1295.56 1296.59
1299.02 1300.05 1301.09
1303.54 1304.58 1305.63
1308.09 1309.14 1310.19
Average receiver power, each lane -18.6 -4.4 dBm
Receiver power, each lane (OMA) -3.6 dBm
Difference in receive power between any two lanes(OMA) 5.8 dB
Damage threshold, each lane -3.4 dBm
Receiver sensitivity (OMA), each lane RS dBm 1
LOS Assert -30 dBm
LOS Deassert -20.6 dBm
LOS Hysteresis 0.5 dB
Receiver reflectance -26 dB
Notes
  1. RS=max(-16.1, SECQ-17.5) (dBm). For the requirement of receiver sensitivity, the value of BER is 2e-4 before FEC.

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OM9660ES100