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Ref: ATGBICS_I-MGBIC-GLX-C_V1

Page 5 of 9

Product Datasheet

Pin Function Definitions

Pin No

Name

Function

Plug Seq

Notes

1

VeeT

Transmitter Ground

1

1

2

TX Fault

Transmitter Fault Indication

3

3

TX Disable

Transmitter Disable

3

2

4

MOD-DEF2

Module Definition

2

3

5

MOD-DEF1

Module Definition 1

3

3

6

MOD-DEF0

Module Definition 0

3

3

7

Rate Select

Not Connected

3

4

8

LOS

Loss of Signal

3

5

9

VeeR

Receiver Ground

1

1

10

VeeR

Receiver Ground

1

1

11

VeeR

Receiver Ground

1

12

RD-

Inv. Received Data Out

3

6

13

RD+

Received Data Out

3

6

14

VeeR

Receiver Ground

3

1

15

VccR

Receiver Power

2

1

16

VccT

Transmitter Power

2

17

VeeT

Transmitter Ground

1

18

TD+

Transmit Data In

3

6

19

TD-

Inv. Transmit In

3

6

20

VeeT

Transmitter Ground

1

Notes:

1. Circuit ground is internally isolated from chassis ground.

2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3. Should be pulled up with 4.7k - 10 kohms on host board to a voltage between 2.0V and

3.6V.MOD_DEF (0) pulls line low to indicate module is plugged in.

4. Rate select is not used

5. LOS is open collector output. Should be pulled up with 4.7k – 10 kohms on host board to a voltage

between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

6. AC Coupled