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DAC cable (Direct Attached Cable) 2m AWG30-24 25G SFP28

Model No.
25GSFP282m
Made in
Taiwan
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Key Features

Benefits

 Cost-effectivecopper solution

 Lowesttotal system power solution

 Lowesttotal system EMI solution

 Optimizeddesign for Signal Integrity

Applications

 25GEthernet


    Pin Descriptions

SFP28 PinFunction Definition


Pin

Logic

Symbol

Name/Description

Notes

1


VeeT

Transmitter Ground


2

LV-TTL-O

TX_Fault

N/A

1

3

LV-TTL-I

TX_DIS

Transmitter Disable

2

4

LV-TTL-I/O

SDA

Tow Wire Serial Data


5

LV-TTL-I

SCL

Tow Wire Serial Clock


6


MOD_DEF0

Module present, connect to VeeT


7

LV-TTL-I

RS0

N/A

1

8

LV-TTL-O

LOS

LOS of Signal

2

9

LV-TTL-I

RS1

N/A

1

10


VeeR

Reciever Ground


11


VeeR

Reciever Ground


12

CML-O

RD-

Reciever Data Inverted


13

CML-O

RD+

Reciever Data Non-Inverted


14


VeeR

Reciever Ground


15


VccR

Reciever Supply 3.3V


16


VccT

Transmitter Supply 3.3V


17


VeeT

Transmitter Ground



18

CML-I

TD+


Transmitter Data Non-Inverted



19

CML_I

TD-


Transmitter Data Inverted



20


VeeT


Transmitter Ground


1.

Signals not supported in SFP+ Copper pulled-downto VeeT with 30K ohms resistor


2.

Passive cable assemblies do not support

LOS and TX_DIS



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