QSFP-DD LR4 400 Gbps Rate Transceiver

OPTOKON 400G QSFP-DD (Double Density) LR4 module supports link length ranging from 2 meters to a minimum of 10 kilometers over Single-mode fiber (SMF) with duplex LC connector.
The Multi-Source Agreement (MSA) specifies a 4 x 100 Gbps Coarse Wavelength Division Multiplex (CWDM) optical interface for Ethernet applications, enabling 400 Gbps optical transceivers. To ensure reliable system operation, the host must implement forward error correction (FEC).
The transceiver utilizes an eight-lane electrical interface in both directions, with a nominal signaling rate of 53.125 Gbps per lane.

  • Compliant with 400GBASE-LR4
  • 8x53.125 Gbps (PAM4) electrical interface
  • Integrated CWDM EML TOSA / PIN ROSA for up to 10km reach over SMF
  • Digital Diagnostics Monitoring Interface
  • Duplex LC optical receptacle
  • No external reference clock
  • Electrically hot-pluggable
  • Compliant with QSFP-DD MSA with LC connector
  • Case operating temperature range: 0°C to 70°C
  • Power dissipation less than 12 W
  • Class 1 Laser

Optical characteristics:

 

Transmitter

Parameter

Min

Typ

Max

Unit

Note

Wavelength assignment (λ0 – λ3)

1264.5

1271

1277.5

nm

λ0

1284.5

1291

1297.5

λ1

1304.5

1311

1317.5

λ2

1324.5

1331

1337.5

λ3

Signaling speed per lane

 

53.125± 100 ppm

 

Gbps

 

Data rate variation

-100

 

100

ppm

 

Total output power

 

 

9.3

dBm

 

Average launch power off per lane

-2.7

 

5.1

dBm

 

Receiver

Parameter

Min

Typ

Max

Unit

Note

Average input power per channel

-9

 

5.1

dBm

 

Receiver sensitivity (OMA) per Lane max.

 

 

-6.8

dBm

BER@2.4E-4

Signaling speed per lane

 

53.125± 100 ppm

 

Gbps

 

Receiver reflectance

 

 

-26

dB

 

Modulation format

 

PAM4

 

 

 

The transceiver utilizes an eight-lane electrical interface in both directions, with a nominal signaling rate of 53.125 Gbps per lane.

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