Note : ● indicates LNK/ACT LED Lit
○ indicates LNK/ACT LED Off
● ○
○ ○
○ ○ ●
C
B
10/100
Switch
10/100
Switch
Fibre Cable
A
TP TP
LFP LFP
Fibre Cable
B A
○ ○ ○ ○ ●
C
○ ○
TP TP
10/100
Switch
Remote
Station
10/100
Switch
LFP LFP
Fig. 7 Normal Status via a pair of LFP’s
A
B
10/100
Switch
LFP
●
LFP
10/100
Switch
TP
● ●
TP
Fibre Cable
C
● ●
Remote
Station
● ●
Fig. 8 The Status when Copper Cable A link is broken
Remote
Station
Fig. 9 The Status when Fibre Cable C or B link is broken