Cisco Laser Link 1310 nm Transmitters Datenbogen
Laser Link Modular 1550 nm Transmitters
2
Block Diagrams
LEMT 870 MHz Forward Transmitter
Voltage
Controlled
Attenuator
Attenuator
Predistortion
Optical
Modulator
Front Panel
RF
Test Point
Microprocessor
Optical Outputs
RF Input
DFB
Laser
Front Panel
LCD Display
SBS
Suppression
LLNT 870 MHz Narrowcast Transmitter
RF Signal
Control
Laser
Optical Output
Main RF Input
Laser
Monitor
RF Test Point
Attenuator Adjust
Slope Adjust
Optical Power Test Point
Laser Status Alarms
Laser Status LEDs
Laser Current Monitor
Laser Current Monitor
LLNTR 210 MHz Narrowcast Return Transmitter
Laser
Optical Output
RF Input
Laser
Monitor
RF Test Point
Optical Power Test Point
Laser Status Alarms
Laser Status LEDs
Laser Current Monitor
RF Signal
Control
Attenuator Adjust