Cabletron Systems FDDI - Manual (Page 28)

Chapter 4: Troubleshooting
4-2 7F06-02 FDDI SmartSwitch Interface Module User’s Guide
4.2 PORT RECEIVE LEDS
Table 4-1 indicates the state of the receive port.
4.3 PORT TRANSMIT LEDS
Table 4-2 indicates the state of the transmit port.
4.4 A/B LINK LEDS
Table 4-3 indicates the state of the A/B Link LEDs.
Table 4-1 Port Receive LEDs
LED Color State
Yellow (Flashing) Data activity (flashing to steady on indicates rate)
Off No activity, port can be disabled or enabled
Table 4-2 Port Transmit LEDs
LED Color State
Green (Flashing) Data activity (flashing to steady on indicates rate)
Off No activity, port can be disabled or enabled
Table 4-3 Link LEDs
A P S B State
Green N/A N/A Green Ports Enabled & Active
Green Green Off Green THRU A, MAC on Primary,
Secondary Bypasses Board
Green Green Yellow Green THRU A, MAC on Primary,
No MAC on Secondary