
BLOCK DIAGRAM
MITSUBISHI (OPTICAL DEVICES)
MF-622DS-T12-43x/45x/46x
MF-622DS-R13-24x
SONET/SDH TRANSMITTER & RECEIVER
LD Module
PD
LD
Integrated device
OPT.OUT
DRIVER IC
DATA IN
DATA IN
Driver
IC
A.P.C.
Curcuit
Transmitter Block Diagram
Laser-backface
monitor(+)
Laser-backface
monitor(-)
Laser-bias monitor(+)
Laser-bias monitor(-)
Transmitter disable
OPT.IN
Limiting IC
PD
Preamp
Amp
Rt
PD-Preamp
Module
Alarm
Clock recovery IC
Decider
PLL
DATA Out
DATA Out
CLK Out
CLK Out
Receiver Block Diagram
Signal Detect