Support data rate

-

-

-

28

Gb/s

-

Peak Wavelength

λp

1295

1310

1325

nm

4

Spectral Width (-20dB)

Dl

-

-

1

nm

-

Side Mode Suppression Ratio

SMSR

30

dB

Average Optical Output Power

Po

-5

-

2

dBm

Extinction Ratio

Er

3.5

-

-

dB

Transmitter and dispersion

penalty

TDP

3

dB

Output Power with Transmitter

Disabled

Poff

-30

dBm

Transmitter Enable Voltage

VEN

-0.3

-

0.8

V

Transmitter Disable Voltage

VD

2.0

-

Vcc+0.3

V

Differential Data Input Swing

VINpp

180

-

700

mV

Optical return loss tolerance

-12

dB

Output Eye Diagram

Compliant with IEEE 802.3

1

Support data rate

-

-

-

28

Gb/s

-

Operate Wavelength

-

1260

-

1360

nm

-

Receiver sensitivity in OMA

Sen

-

-

-12

dBm

2

Receiver sensitivity(BER of 1E-12)

Sen

-

-

-8.6

dBm

Saturation(BER of 1E-12)

Psat

2

-

-

dBm

2

LOS Asserted

T_loss_on

-30

-

-

dBm

High level:

Alarm

LOS De-Asserted

T_loss_off

-

-

-13

dBm

LOS Hysteresis

T_loss_Hs

0.5

-

5.0

dB

Differential Data Output Swing

VOUTPP

450

-

1050

mV

-

LOS High Voltage

VHout

2.0

-

-

V

-

1

VeeT

Transmitter Ground

-

2

LVTTL-O

TX Fault

Transmitter Fault Indication

Note 1

3

LVTTL-I

TX Disable

Transmitter Disable

Note 2, Module disables on

high or open

4

LVTTL-I

SDA

2-wire Serial Interface Data Line (Same as MOD-DEF2 in

INF-8074i)

5

LVTTL-I/O

SCL

2 Wire Serial Interface Data Line (Same as

MOD-DEF1 as   defined   in   the

INF-8074i)

6

MOD-ABS

Module Absent, Connected to

VeeT or VeeR in the module.

Note 3

7

LVTTL-I

RS0

SFP+ RX Rate Select, optional

Rate Select 0, Not used.

Note 9

8

LVTTL-O

LOS

Loss of Signal

Note 4

9

LVTTL-I

RS1

SFP+ TX Rate Select, optional

Rate Select 1, Not used.

Note 9

10

VeeR

Receiver Ground

Note 5

11

VeeR

Receiver Ground

Note 5

12

CML-O

RD-

Inv. Received Data Out

Note 6

13

CML-O

RD+

Received Data Out

Note 6

14

VeeR

Receiver Ground

Note 5

15

VccR

Receiver Power

Note 7, 3.3V± 5%

16

VccT

Transmitter Power

Note 7, 3.3V± 5%

17

VeeT

Transmitter Ground

Note 5

18

CML-I

TD+

Transmit Data In

Note 8

19

CML-I

TD-

Inv. Transmit Data In

Note 8

20

VeeT

Transmitter Ground

Note 5

HD-SFP28/25G-LR

25Gb/s 10km LR SFP28 Transceiver, LC, 10km, 0°C~+70°C With DDM

HD-SFP28/25G-LR-I

25Gb/s 10km LR SFP28 Transceiver, LC, 10km, -40°C~+85°C With DDM