October 2007
Intermediate to advanced
368 pages
10h 55m
English
Content preview from Passive Optical Networks
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•••
•••
OLT
1 × N AWG
B1, D1
Bi, Di
Ai, Ci
Group iGroup 1
Ai Bi Ci Di
Blue/Red filterBlue/Red filterBlue/Red filterBlue/Red filter
M1
M1
M1
M1
M2
M2M2M2
WC
PD LD
Data router
WC
PD LD
Data router
LAN /
Subscribers
WC
PD LD
Data router
LAN /
Subscribers
WC
PD LD
Data router
LAN /
Subscribers
LAN /
Subscribers
Di
Di
D1
D1B1D1B1
B1, D1
A1
A1
B1
C1
C1
C1
Di
Ai
A1
Ai
Bi
Bi
Ci
Ci
Ci
ONU(2i)ONU(2i−1)ONU2ONU1
FSR
RedBlue
FSRFSR
FIBER
BREAK
RN
B1,...,B ; D1,...,D
A1,...,A ; C1,...,C
Figure 6.9 Self-protected network architecture for WDM-PON. LD1–4: laser diode; PD1–4: PIN photodiode; WC: WDM coupler; M1&M2: optical
power monitors; {Ai,Ci} for i 2 {1,..., N}: upstream wavelengths; {Bi,Di} for i 2 {1,..., N}: downstream ...
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