UPSR / 2F BLSR / 4F BLSR

working

protection

B

A

D

C

• UPSR(Unidirectional Path Switched Ring)

working

protection

B

A

• 2-F BLSR(2 Fiber Bidirectional Line Switched Ring)

working

protection

B

A

D

C

• 4-F BLSR(4 Fiber Bidirectional Line Switched Ring)

W1/P2

W2/P1

C

D

working

protection

B

A

• 2-F BLSR(2 Fiber Bidirectional Line Switched Ring)

W1/P2

W2/P1

C

D

前一張投影片

下一張投影片

回到第一張投影片

檢視圖形版本