Cabletron Systems FDDI User Manual
Chapter 4: Troubleshooting
4-2
7F06-02 FDDI SmartSwitch Interface Module User’s Guide
4.2
PORT RECEIVE LEDS
4.3
PORT TRANSMIT LEDS
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
Secondary Bypasses Board
Green
Green
Yellow
Green
THRU A, MAC on Primary,
No MAC on Secondary
No MAC on Secondary