Specifications

6.1 Power Supply
Two (2) LEDs indicate RX power and TX power have been applied.
• VR+: VCCR; Indicates power has been applied to the RX (LED D10 Green)
•VT+:V
CCT; Indicates power has been applied to the TX (LED D11 Green)
6.2 I
2
C or MOD_DEF Communication
Three (3) LEDs indicate MODDEF or I
2
C communications
• MDF0; MOD-ABS Same as MOD_DEF0, this LED (D5 Yellow) is OFF when the module is present.
• SCL; Same as MOD_DEF1, this LED (D4 Yellow) represents the clock signal and will blink
perceptibly during I
2
C communications.
• SDA; Same as MOD_DEF2, this LED (D3 Yellow) represents the data signal and will blink
perceptibly during I
2
C communications.
11
Application Note: SFP+ Evaluation Board
Figure 7: Location of LED Indicators on the JDSU SFP+ Evaluation Board