SFP Transceiver Electrical Pad Layout

Pin Function Definitions

Pin Num.

Name

Function

Plug Seq.

Notes

1

VeeT

Transmitter Ground

1

 

2

TX Fault

Transmitter Fault Indication

3

Note 1

3

TX Disable

Transmitter Disable

3

Note 2

Module disables on high or open

 

 

 

 

4

MOD-DEF2

Module Definition 2

3

Note 3, 2 wire serial ID interface

5

MOD-DEF1

Module Definition 1

3

Note 3, 2 wire serial ID interface

6

MOD-DEF0

Module Definition 0

3

Note 3, Grounded in Module

7

Rate Select

Not Connect

3

Function not available

8

LOS

Loss of Signal

3

Note 4

9

VeeR

Receiver Ground

1

Note 5

10

VeeR

Receiver Ground

1

Note 5

11

VeeR

Receiver Ground

1

Note 5

12

RD-

Inv. Received Data Out

3

Note 6

13

RD+

Received Data Out

3

Note 7

14

VeeR

Receiver Ground

1

Note 5

15

VccR

Receiver Power

2

3.3 ± 5%, Note 7

16

VccT

Transmitter Power

2

3.3 ± 5%, Note 7

17

VeeT

Transmitter Ground

1

Note 5

18

TD+

Transmit Data In

3

Note 8

19

TD-

Inv. Transmit Data In

3

Note 8

20

VeeT

Transmitter Ground

1

Note 5

Plug Seq.: Pin engagement sequence during hot plugging.

4

Jan. 2008

 

Rev. 0B

DELTA ELECTRONICS, INC.

www.deltaww.com

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Delta Electronics LCP-155B4MSRx manual MOD-DEF2