R - 14
Reference
FiberPoint Structured Wiring Enclosure Installation Guide
Form 361015-0001A
Figure R-5: VPON Calculator
FP500 GPON & VPON CALCULATOR
OSI Specification VPON Loss
Qty U/M
Unit Loss (typ.)
Total
Loss
σ
2
3
σ
Splitter(1X2) - connectorized
0
ea
3.70
0.00
0.0000
0.33
Splitter(1X3) - connectorized
0
ea
5.10
0.00
0.0000
0.40
Splitter(1X4) - connectorized
0
ea
7.25
0.00
0.0000
0.45
Splitter(1X8) - connectorized
0
ea
10.38
0.00
0.0000
0.63
Splitter(1X16) -connectorized
1
ea
14.10
14.10
0.0900
0.90
Splitter(1X32) - connectorized
0
ea
17.45
0.00
0.0000
1.25
Fiber Length (mi)
10
mi
0.40
4.02
0.0072
0.08
Connectors (APC)
2
ea
0.25
0.50
0.0089
0.20
Splices
5
ea
0.05
0.25
0.0002
0.02
FiberPoint Connector
1
ea
0.40
0.40
0.0044
0.20
OLT CWDM Combiner
1
ea
1.20
1.20
0.0000
0.00
VPON Loss in dB
Mean
3
σ
Mean+3
σ
Mean-3
σ
20.5
1.00
21.5
19.5
Video Power Calculation
Select SBS Suppression Level
20
dBm Suppression
EDFA Output Power
18
dBm
EDFA Output Power Tolerance
0.5 dB
EDFA Power Prior to CWDM
17.5 dBm
Mean PON Loss
20.5
dB
Receiver Sensitivity at 48dB CNR Typical
Nominal
Min
Max
Received Power Limits [ Max | Mean | Min ]
-3.0
-4.0
-2.0
dBm
Margin at 48dB CNR typ. (dB)
Margin to Overdrive
Margin to Underdrive
4.0
1.5