Nortel Optical Multiservice Edge 6130, Руководство по планированию, Страница: 126 / 292

7-24 Technical specifications
Optical Multiservice Edge 6130 NT6Q92MA Rel 1.0 Iss 1 Standard September 2006
STM-1/4 and GE SFP optical specifications
Table 7-23 lists the optical specifications for the STM-1 optical SFPs.
Table 7-23
Optical specifications for STM-1 SFPs
Classification SR0 IR1/S1.1 LR1/L1.1 LR2/L1.2
PEC NTTP02AD NTTP02CD NTTP02ED NTTP02FD/
NTTP02FF
Transmitter
Transmitter type LED FP laser DFB laser DFB laser
Nominal wavelength 1270 nm to
1380 nm 1310 nm 1310 nm 1550 nm
Transmit output power (max) -14 dBm -8 dBm 0 dBm 0 dBm
Transmit output power (min) -20 dBm -15 dBm -5 dBm -5 dBm
Spectral width 200 nm
(FWHM) 7.7 nm
(RMS) 1 nm
(-20 dB) 1 nm
(-20 dB)
Minimum side mode
suppression ratio - - 30 dB 30 dB
Minimum extinction ratio 10 dB 8.2 dB 10 dB 10 dB
Power monitor accuracy
(see
Note 2 )
+/- 2 dB +/- 2 dB +/- 2 dB +/- 2 dB
Receiver
Receiver type PIN photodiode APD APD APD
Wavelength range 1100 nm to
1600 nm 1261 nm to
1580 nm 1261 nm to
1580 nm 1260 nm to
1580 nm
Nominal wavelength 1310 nm 1310 nm 1310 nm 1550 nm
Receiver sensitivity -30 dBm -28 dBm -34 dBm -34 dBm
Receiver overload -14 dBm -8 dBm -10 dBm -10 dBm
Path penalty - 1 dB 1 dB 1 dB
Maximum receive reflectance - - - -25 dB
Power monitor accuracy
(see
Note 2 )
+/- 2 dB +/- 2 dB +/- 2 dB +/- 2 dB
Optical path
Attenuation range 0 dB
to 10 dB 0 dB to 12 dB 10 dB to 28 dB 10 dB to
28 dB