The table below lists some parameters and the end of life power budgets for the
CWDM STM-4/16 SFPs:
Application
CWDM STM-4/16 40km
CWDM STM-4/16 80km
Maximum channels
8
8
Interface at point SS
Maximum output power
+5 dBm
+5 dBm
Minimum output power
0 dBm
0 dBm
Operating wavelength
1471 nm +20m (m = 0 to 7)
1471 nm +20m (m = 0 to 7)
Maximum central wavelength
deviation
+/- 6.5nm
+/- 6.5nm
Minimum extinction ratio
8.2 dB
8.2 dB
Eye mask pattern
see G.957
see G.957
Optical path between point SS
and RS
Maximum channel insertion loss
17 dB
25.5 dB
Minimum channel insertion loss
5 dB
13 dB
Maximum dispersion
1000 ps/nm
1640 ps/nm
Minimum optical return loss at
SS
24 dB
24 dB
Maximum discrete reflectance
between SS and RS
27 dB
27 dB
Maximum differential group
delay
120 ps
120 ps
Maximum optical cross talk
20 dB
20 dB
Interface at point RS
Maximum mean channel input
power
0 dBm
-8 dBm
Minimum sensitivity
-18.5 dBm
-28 dBm
Maximum optical path penalty
1.5 dB
2.5 dB
Maximum reflectance of receiver
27 dB
27 dB
Single-fiber Bidirectional SFPs
The table below lists some parameters and the end of life power budgets for the
STM-1, STM-4, 1 GbE Single-Fiber (Bidirectional) Short Haul optical modules (SFPs).
Product description
System specifications
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365-312-847R4.0
Issue 4, November 2006
Lucent Technologies - Proprietary
See notice on first page
2-39