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8. Label

Label that describe the following items is indicated on the top of transceiver.

Product name, Serial number, Wavelength, Manufacture name and “CLASS 1 LASER

PRODUCT”.

9. PINOUT

Pinout is shown in Table 4.

Table 4. Pin Designations

Name

Symbol

Pin

Pin

Symbol

Name

Transmitter Ground

VeeT

20

1

VeeT

Transmitter Ground

Inv. Transmit

Data In

TD-

19

2

Tx Fault

Transmitter Fault

Indication

Transmit Data In

TD+

18

3

Tx Disable

Transmitter Disable

Transmitter Ground

VeeT

17

4

MOD_DEF(2)*

Module Definition 2

Transmitter Power

VccT

16

5

MOD_DEF(1)*

Module Definition 1

Receiver Power

VccR

15

6

MOD_DEF(0)*

Module Definition 0

Receiver Ground

VeeR

14

7

(Rate Select)

Unused function

Received Data Out

RD+

13

8

LOS

Loss of Signal

Inv. Received

Data Out

RD-

12

9

VeeR

Receiver Ground

Received Ground

VeeR

11

10

VeeR

Receiver Ground

* Mod-Def 0,1,2 are the module definition pins. They should be pulled up with a 4.7K-10K

Ω

resistor on the host board.

Mod-Def 0 is grounded by the module to indicate that the module is present.

AT24C01A/02/04 data sheet is recommended. Refer to URL below for more detail:

http://www.semiconductors.philips.com/buses/i2c/facts/index.html or,

http://www.atmel.com/acrobat/doc0180.pdf