Cabletron Systems SmartSWITCH 7F06-02 User Manual page 26

Table 4-3 indicates the state of the A/B Link LEDs.
A p
Green N/A
Green Green
Green Green
Green Off
Green Yellow
Green Yellow
Green Off
Green Green
Green Yellow
Yellow Green
Yellow Yellow
Green Green
Green Off
Green Red
Yellow Off
Red Off
Table 4-3. Link LEDs
S B
N/A Green
Off Green
Yellow Green
Green Green
Green Green
Off Green
Yellow Green
Red Yellow
Red Yellow
Red Green
Red Green
Red Green
Off Green
Red Green
Off Yellow
Off Red
TROUBLESHOOTING
State
Ports Enabled & Active
THRU A, MAC on Primary,
Secondary Bypasses Board
THRU A, MAC on Primary,
No MAC on Secondary
THRU B, MAC on Secondary,
Primary Bypasses Board
THRU B, MAC on Secondary,
No MAC on Primary
THRU, No MAC on Primary,
Secondary Bypasses Board
THRU, No MAC on
Secondary, Primary Bypasses
Board
WRAP A, MAC on Primary
WRAP A, No MAC on
Primary
WRAP B, MAC on Primary
WRAP B, No MAC on Primary
WRAP AB, MAC on Primary
BYPASS Primary & Secondary
TWISTED A-A, B-B
PCM did not complete, Not
Active
Ports Disabled
4-3