Oplink Communications, Inc

S0313. Rev.01. (web) 2012-05-11

5

TRPV3GKERx000xxG

18

19

20

TX DATA IN+

15

1µH coil or ferrite bead

(<0.2Ω series resistance)

0.1

TX DATA IN-

TX Disable

16

0.1

50Ω line

50Ω line

50Ω line

50Ω line

1, 4, 7, 11, 14, 17

0.1

to 50Ω load

Vcc

3.3V

RX DATA OUT+

13

12

RX DATA OUT-

6

5

LOS

to 50Ω load

8

R

2

TX Fault

RR

R

Vcc

3.3V

Interfacing the Transceivers

Application Schematics

Communication is via a serial 2-wire serial interface. As described in the document SFF-8472 (REV. 9.4) there are two distinct address spaces:

SFP

R: 4.7 to 10kΩ

CAP Values in µF

No Connection: 3, 9, 10

Base Address A0(hex)

Byte Address

Content

0 – 95

Serial Transceiver ID as defined in SFP MSA

96 – 127

OPLINK Specific

128 – 255

Reserved

Base Address A2(hex)

Byte Address

Content

0 - 55

Alarm & Warnings thresholds & limits

56 - 95

External calibration constants (not used)

96 – 119

Values from real time diagnostic monitoring

120 – 127

Not used

128 – 247

Customer specific, writable area

248 - 255

Not used