Cisco Prisma 1310 nm DFB Reverse Transmitter for Model 6920 Node Fiche De Données
Prisma 1310 nm DFB Reverse Tx for Model 6920 Node
3
Specifications, continued
NPR Performance
The plot below illustrates the typical Noise Power Ratio (NPR) performance of the 1310 nm DFB transmitter
module with a 7 dB optical link (15 km glass plus passive loss).
6920 DFB TX
Noise Power Ratio (NPR) Performance
25
30
35
40
45
50
55
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
Input Pow er per Hz (dBmV/Hz)
NP
R (
d
B
)
- 40F
Room Temp
+ 140 F
Room Temp
+ 140 F
Note: NPR performance with noise loading from 5 – 42 MHz.