Cisco Prisma 1310 nm DFB Reverse Transmitter for Model 6920 Node データシート
Analog Reverse Transmitters For 6940, 6942, 6944 & GainMaker Nodes
5
1310 nm Link Specifications, continued
Standard Gain FP Transmitter
Typical Noise Power Ratio (NPR) Performance with 7 dB Optic Link (15 km glass, plus passive loss)
Standard Gain 1310 nm FP TX
Noise Power Ratio (NPR) Performance
20
25
30
35
40
45
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
Input Power per Hz (dBmV/Hz)
NP
R (d
B)
Room Temp
- 40 F
+ 140 F
- 40 F
+ 140 F
High Gain FP Transmitter
Typical Noise Power Ratio (NPR) Performance with 7 dB Optic Link (15 km glass, plus passive loss)
High Gain 1310 nm FP TX
Noise Power Ratio (NPR) Performance
20
25
30
35
40
45
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
Input Power per Hz (dBmV/Hz)
NP
R (d
B)
Room Temp
- 40 F
+ 140 F
- 40 F
+ 140 F
Note: NPR performance with noise loading from 5-42 MHz