Chapter 7 - specifications, 1 diagnostic indicators and controls, 2 optical interface – CANOGA PERKINS 2270 Fiber Optic Modem User Manual
Page 60
60
Canoga Perkins
Chapter 7 - Specifications
7.1 Diagnostic Indicators and Controls
System Test, Optical Power, Rx/Tx, Power On, Power Alarms (2201)
7.2 Optical Interface
Composite Error Rate
1 in 10
10
or better
Fiber Optic Cable Compatibility
50 to 62.5 micron multimode or
8 to 10 micron single mode fiber
Transmitter Type
LED (850 nm)
Laser diode (1310 nm)
HI/LO Optical Power Switch (HP Laser Model Only)
Reduces Peak Modulation Intensity
by at least 3 dB
Wavelength
850 nm (LED Model)
1310 nm (Laser Models)
Fiber Optic Connectors
ST or FC type
Fiber Optic Receiver
PIN diode
Transmission Code
Pulse Width Coding
Fiber Optic Transmission Specifications
(All powers are measured at 20 Mbps
unless noted)
High Power (HP) Laser
Optical Launch Power
> -6 dBm HI Tx (at 20 Mbps)
-11 to -8 dBm LO Tx (at 20 Mbps)
Low Power (LP) Laser
> -8 dBm (at 20 Mbps)
850 LED
> -14 dBm (at 20 Mbps)
Fiber Optic Link Loss Budget
850 nm LED
>6 dB (62.5/125 MM fiber)
1310 nm HP Laser
>15 dB (SM fiber)
1310 nm LP Laser
>10 dB (SM fiber)