sp-12-lr2-idfm Source Photonics, Inc., sp-12-lr2-idfm Datasheet - Page 5

• Manufacturer Part Number: sp-12-lr2-idfm
• Description: Preliminary Sp-12-xxx-xdfm
• Manufacturer: Source Photonics, Inc.

Recommended Interface Circuit
Recommended Host Board Power Supply Circuit
Pin Definitions
Figure 3 below shows the pin numbering of SFP electrical interface. The pin functions are described in
Table 8 with some accompanying notes.
Protocol
IC
3×4.7K to 10K
Vcc (+3.3V)
2×4.7K to 10K
Host Board
Vcc (+3.3V)
SERDES
IC
Figure 1, Recommended Host Board Power Supply Circuit
Figure 2, Recommended Interface Circuit
SerDat Out +
SerDat Out -
SerDat In +
SerDat In -
Z=50
Z=50
Z=50
Z=50
MOD-DEF2
MOD-DEF1
MOD-DEF0
TX Disable
TX Fault
TD +
RD +
RD -
TD -
LOS
RGND
SFP Module
10K
VccT
EEPROM
Amplifier
driver
Laser
DS-5725 Rev 0.1 2009-08-13
SP-12-xxx-xDFM
Preliminary