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Ref: ATGBICS_X6589-R6-C_V1

Page 5 of 10

Product Datasheet

Pin Function Definitions

PIN No

Name

Function

Notes

1

VeeT

Module transmitter ground

1

2

Tx Fault

Module transmitter fault

2

3

Tx

Disable

Transmitter Disable; Turns off transmitter laser output

3

4

SDL

2 wire serial interface data input/output (SDA)

5

SCL

2 wire serial interface clock input (SCL)

6

MOD-

ABS

Module Absent, connect to VeeR or VeeT in the module

2

7

RS0

Rate select0, optionally control SFP+ receiver. When high,

input data rate >4.5Gb/ s; when low, input data rate

<=4.5Gb/s

8

LOS

Receiver Loss of Signal Indication

4

9

RS1

Rate select0, optionally control SFP+ transmitter. When

high, input data rate >4.5Gb/s; when low, input data rate

<=4.5Gb/s

10

VeeR

Module receiver ground

1

11

VeeR

Module receiver ground

1

12

RD-

Receiver inverted data out put

13

RD+

Receiver non-inverted data out put

14

VeeR

Module receiver ground

1

15

VccR

Module receiver 3.3V supply

16

VccT

Module transmitter 3.3V supply

17

VeeT

Module transmitter ground

1

18

TD+

Transmitter inverted data out put

19

TD-

Transmitter non-inverted data out put

20

VeeT

Module transmitter ground

1

Notes:

1. The module ground pins are isolated from the module case.

2. This pin is an open collector/drain output pin and is pulled up with 4.7K-10Kohms to Host_Vcc on

the host board.

3. This pin is pulled up with 4.7K-10Kohms to VccT in the module.

4. This pin is an open collector/drain output pin and is pulled up with 4.7K-10Kohms to Host_Vcc on

the host board.