Technical data

TraverseEdge 2020 Applications and Engineering Guide, Chapter 7: Optical Link Design
Page 7-4 Turin Networks Release 5.0.x
Table 7-4 OC-48 LR Optical Parameters
Table 7-5 OC-48 ITU (SFPs) Optical Parameters
Parameter LR-1 LR-2 VR-1 Unit
Transmitter SLM SLM SLM
λ
Tmin
-λ
Tmax
1280-1335 1500-1580 1280-1335 nm
∆λ
rms(max)
NA NA NA nm
∆λ
20(max)
1 <1 1 nm
SSR
min
30 30 30 dB
P
Tmax
+3 +3 +9 dBm
P
Tmin
-2 -2 +3 dBm
r
e(min)
8.2 8.2 8.2 db
Optical Path
System ORL
min
24 24 24 dB
D
SR(max)
NA 1194 NA ps/nm
Attenuation 12-25 12-26 18-31 dB
Max. Reflectance between S
and R
-27 -27 -27 dB
Receiver
P
Rmax
-9 -9 -9 dBm
P
Rmin
-28 -28 -28 dBm
P
O
1 2 1 dB
Receiver
Reflectance (max)
-27 -27 -27 dB
Parameter ITU LR-2 Unit
Transmitter EM
λ
Tmin-λTmax
1528.77-1563.45 nm
PTmax +9 dBm
PTmin +5 dBm
re(min) 8.2 dB
Optical Path
System ORLmin 24 dB
DSR(max) 1600 ps/nm