Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split 数据表
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Block Diagram – Non-segmented Node with 8-position Optical Interface Board
XM
TR
Laser
D
iode
XM
TR
Laser
D
iode
XM
TR
Laser
D
iode
XM
TR
Laser
D
iode
RCV
R
Phot
o D
iode
St
at
us M
oni
tor
Tr
ansponder
RCV
R
Phot
o D
iode
RCV
R
Phot
o D
iode
RCV
R
Phot
o D
iode