Sfp transceiver electrical pad layout, Pin function definitions – Delta Electronics Multi-Rate CWDM SFP Transceiver LCP-1250 CWDM User Manual

Page 5

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DELTA ELECTRONICS, INC.

5 2008/1/15

Rev. 0A

www.deltaww.com

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.

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