Lsi7404ep-lc connectors and indicator leds, Lsi7404ep-lc led color-code definitions, Figure 2.16 – Avago Technologies LSI7104EP-LC User Manual
Page 43: Table 2.13

Physical Characteristics
2-23
Ver. 2.1
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Figure 2.16 LSI7404EP-LC Connectors and Indicator LEDs
Table 2.13
LSI7404EP-LC LED Color-Code Definitions
LSI7404EP-LC
LED Indicator
Loss of Sync, No Link
Constant: Bright White
Fault
Blinking: Bright White/Slow – 1 Blink/s
1 Gbit/s Link
Constant: Amber
1 Gbit/s Activity (Data Transfers)
Blinking: Amber/Fast – 4 Blinks/s
2 Gbit/s Link
Constant: Green
2 Gbit/s Activity (Data Transfers)
Blinking: Green/Fast – 4 Blinks/s
4 Gbit/s Link
Constant: Blue
4 Gbit/s Activity (Data Transfers)
Blinking: Blue/Fast – 4 Blinks/s
Port 0
Port 2 Status LED
Port 1
Port 0 Status LED
Port 3 Status LED
Port 1 Status LED
Port 2
Port 3
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