Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Wavelength

λc

1264.5

1271

1277.5

nm

1

λD

1324.5

1331

1337.5

nm

2

Side-mode suppression ratio

SMSR

30

dB

Average launch power

POUT

-4.5

-

4.2

dBm

Average launch power of OFF transmitter

POUT_OFF

-

-

-30

dBm

Outer Optical Modulation Amplitude (OMAouter)

POUTL

-1.5

-

4

dBm

Extinction ratio

ER

3.5

-

-

dB

Launch power in OMAouter minus TDECQ

OMA-TDECQ

-2.9

-

-

dBm

Transmitter and dispersion eye closure for PAM4 (TDECQ)

TDECQ

-

-

3.2

dB

3

TDECQ – 10log10(Ceq)

Ceq

-

-

3.2

dB

Optical return loss tolerance

ORLT

-

-

15.6

dB

RIN15.6OMA

RIN

-

-

-132

dB/Hz

Transmitter reflectance

-

-

-26

dB

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Wavelength

λC

1324.5

1331

1337.5

nm

1

λD

1264.5

1271

1277.5

nm

2

Receiver sensitivity (OMAouter)

max(–8.4; SECQ – 9.8)

dBm

3,4

Stressed receiver sensitivity (OMAouter)

-

-

-

-6.6

dBm

Conditions of stressed receiver sensitivity test:

Stressed eye closure for PAM4 (SECQ)

-

-

3.2

-

dB

SECQ – 10log10(Ceq)

-

-

-

3.2

dB

Damage Threshold

P_damage

5.2

-

-

dBm

Average Receive Power

-

-10.8

-

4.2

dBm

Receive power (OMAouter)

OMA

-

-

4

dBm

Receiver Reflectance

RXR

-

-

-26

dB

LOS assert

LOSA

-30

dBm

LOS de-assert

LOSD

-11

dBm

LOS hysteresis

LOSH

0.5

dB

Part No.

Application

Data Rate

Laser Source

Fiber Type

LNK-SFP50G-BX10-1271

LNK-SFP50G-BX10-1331

50GBASE-LR Bi-direction

53.125 Gb/s

EML Laser

SMF