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OptiX OSN 38006800
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www.VTHN.comwww.VTHN.com
Tnh ton cng sut OptiX OSN 6800
VTHN VTHN -- I VIN THNG H NI I VIN THNG H NI
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN11
Tng quan
l Khi thit k mng, commissioning, hay trong qu trnh vn
hnh khai thc mng WDM, chng ta cn tnh ton cng
sut. Kha ny s gii thiu v cch tnh ton cng sut
cho mng quang s dng OptiX OSN 6800.
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN22
V kha hc
l hon thnh kha hc bn cn nm cp OptiX OSN 3800/6800: ng dng v topo
p OptiX OSN 6800 M t phn cng
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN33
Tham kho
l Phn OptiX OSN 6800 Intelligent Optical Transport
Platform Hardware Description trong CD2
l PhnOptiX OSN 6800 Intelligent Optical Transport
Platform Commissioning Guide trong CD2
l Phn OptiX OSN 3800 Intelligent Optical Transport
Platform Hardware Description
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN44
Mc tiu
l Hon thnh kha hc bn c th:
p M t mi quan h gia cc im tham chiu cn tnh ton
p List the common indices on optical power calculation.
p Calculate the optical power.
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN55 PagePage55
Contents
1. Basics
2. Power Calculation
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN66 PagePage66
Contents
1. Basics
1.1 Review of the signal flow
1.2 Basic Concepts
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN77 PagePage77
Review of Signal Flow
OTUM40
M40
M40D40
F
I
USC1
OA
SC2
OTU
OTU
OTU
OA OA
OA
F
I
U
F
I
U
F
I
U
OA
M40D40
OTU
OTU
OTU
OTU
M40
M40OA
OTM1OTM1 OLAOLA OTM2OTM2
SC1
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN88 PagePage88
Review of Signal Flow (Cont.)
F
I
U
F
I
U
SC2
MR2
OA
OAMR2
MR2
MR2
OA
OA
FOADMFOADMOTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN99 PagePage99
Review of Signal Flow (Cont.)
F
I
U
F
I
U
SC2
ROAM
OA
OA OA
OA
ROADM:ROADM:(ROAM)(ROAM)
ROAM
M 4 0D40M 4 0D40
OTU
OTU
OTU
OTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1010 PagePage1010
Review of Signal Flow (Cont.)
F
I
U
OA
OA
WSD9 WSM9
WSM9 WSD9
OA
OA
F
I
U
M 4 0M40 M 4 0D40
M40 D40 M40 M40
ROADM:ROADM:(WSD9+WSM9)(WSD9+WSM9)
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1111 PagePage1111
Review of Signal Flow (Cont.)
F
I
U
OA
OA
WSD9 RMU9
RMU9 WSD9
OA
OA
F
I
U
M 4 0D40
M40 D40
ROADM:ROADM:(WSD9+RMU9)(WSD9+RMU9)
MR4
MR4
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
OTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1212 PagePage1212
p P (dBm) =10lg
p -10dBm = mW
p 0dBm = mW
p 10dBm= mW
p 20dBm = mW
p 20dBm-10 =10dBm
Units
p mW
the unit of optical power
p dBm
the unit of optical power
p dB
the unit of gain or attenuationof optical power
P(mW)
1(mW)
Calculation
Basic Concept
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1313 PagePage1313
Formula
The situation of N wavelengths
Ptotal (dBm) Psingle (dBm) +10lgN(dB)
P1
Ptotal
P2
Suppose P1=P2=Psingle
Ptotal (mW) P1 (mW) + P2 (mW)
Ptotal (dBm) Psingle (dBm) +10lg2(dB)
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1414 PagePage1414
Insertion Loss
l The loss of output optical power after the optical signals of
each channel pass through the corresponding channels.
Passive component
PoutPin
Insertion Loss (IL) = PinPout
Unit: dB
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1515 PagePage1515
Common Indices
Name Insertion Loss Name Insertion Loss
FIU
1.5 dB (main channel)
MR2
1.5 dB (Add/Drop)
2.0 dB (OSC 1.0 dB(IN-MRO,MRI-
OUT)
MR8
4 dB (Add/Drop)
CMR4
4 dB (Add/Drop)
3.5 dB (IN-MRO,MRI-
OUT)
3.5 dB (IN-MRO,MRI-
OUT)
MR4
2.2 dB (Add/Drop)
CMR2
1.5 dB (Add/Drop)
1.5 dB (IN-MRO,MRI-
OUT)
1.0 dB (IN-MRO,MRI-
OUT)
M40/D40 6.5 dB M40V/D40V 8a dB
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1616 PagePage1616
Common Indices (Cont.)
Name Insertion Loss Name Insertion Loss
RMU9
8.5 dB (EXPI-OUT)
ROAM
9a dB (Mx-OUT)
12.5a dB (AMx-TOA) 7 dB (IN-DM)
1.5 dB (ROA-OUT 14a dB (EXPI-OUT)
WSM9 8a dB (AMx-OUT, EXPI-OUT) 3 dB (IN-EXPO)
WSD9 8a dB (IN-DMx, IN-EXPO) DCM (S/A-F2.5/4/5/7/8/9/10 ( dB )
(G.652)
WSMD4 8a dB (AMx-OUT, IN-DMx)
Note: a. This value can be reached when the VOA is set to minimum.
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1717 PagePage1717
Characteristics of OA
l Nominal Input Power
l Nominal Output Power
l Maximum output power of a single wavelength
l Gain
OA
Pout Pin
Pout
Gain = Pout (dBm) Pin (dBm)
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1818 PagePage1818
Name Nominal input Power Range
Nominal output Power
Maximum output power of a single
wavelengthGain range
OBU101 -32-4(dBm) 16 dBm 0 dBm 201.5dB
OBU103 -32 ~ -3 (dBm) 20 dBm 4 dBm 231.5dB
OBU104 -32 ~ -1 (dBm) 16 dBm 0 dBm 171.5dB
OBU205 -24 ~ 0 (dBm) 23 dBm 7 dBm 231.5dB
OAU101 -32 ~ 0 (dBm) 20 (dBm) 4 dBm 2031
OAU102 -32 ~ -4 (dBm) 20 (dBm) 4 dBm 2436
CPRCGain 10dB (on G.652 fiber)
Gain 12dB (on LEAF fiber)
Common Indices (40 Channels)
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN1919 PagePage1919
Name Nominal input Power Range
Nominal output Power
Maximum output power of a single
wavelengthGain range
OBU101 -32-4(dBm) 16 dBm -3 dBm 201.5dB
OBU103 -32 ~ -3 (dBm) 20 dBm 1 dBm 231.5dB
OBU104 -32 ~ -1 (dBm) 16 dBm -3 dBm 171.5dB
OBU205 -24 ~ 0 (dBm) 23 dBm 4 dBm 231.5dB
OAU101 -32 ~ 0 (dBm) 20 (dBm) 1 dBm 2031
OAU102 -32 ~ -4 (dBm) 20 (dBm) 1 dBm 2436
Common Indices (80 Channels)
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2020 PagePage2020
Characteristics of OTU
l Mean Launch Power
l Receiver sensitivity: A
l Receiver overload: B
Recommended Receiving Power Range: A+3(dBm) ~ B-
5(dBm)
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2121 PagePage2121
Common Indices
Name Mean Launch Power (dBm)Receiving power Range
RemarkPIN (dBm) APD (dBm)
NS2 0 ~ 4, -5 ~ 0 -14 ~ 0, -16 ~ 0 -27 ~ -8
WDM Side
L4G 0 ~ 4, -5 ~ -1, -2 ~ 2 -25 ~ -9
LQMS -5 ~ -1, -2 ~ 3, -1 ~ 3 -18 ~ 0 -25 ~ -9, -30 ~ -9
LQMD -8 ~ -4, -5 ~ 0, -4 ~ 0 -18 ~ 0 -25 ~ -9, -30 ~ -9
LWX2 -5 ~ -1, -2 ~ 3 -18 ~ 0 -25 ~ -9
TQS -10 ~ -3, -5 ~ 0, -2 ~ 3 -18 ~ 0, -18 ~ -3 -27 ~ -9, -28 ~ -9Client Side
TQM -10 ~ -3, -5 ~ 0, -2 ~ 3 -18 ~ 0, -18 ~ -3 -27 ~ -9, -28 ~ -9
More information please refer to OptiX OSN 6800 Hardware Description
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2222 PagePage2222
Questions
l What are the units related to optical power?
l The conversion between mW and dBm?
l If the input power of each channel is -4dBm, whats the value of
input power for 40 wavelengths?
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2323 PagePage2323
Contents
1. Basics
2. Power Calculation
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2424 PagePage2424
Contents
2. Power calculation
2.1 Power calculation of OSC
2.2 Power calculation of Main Path
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2525 PagePage2525
l Typical Launch Power SC2: 0 ~ -4
SC1: 2 ~ 4.5dBm
l Sensitivity of SC1/SC2: -48dbm
l Receiving PowerLaunch Power - Loss of Fiber - 2IL of FIU.
Power Calculation of OSC
TM RMSC1/2SC1 SC1/2SC1
F
I
U
F
I
URM TM
2dBm
40km12dB
IL:1.5dB
0.5dBm -11.5dBm -13dBm
IL:1.5dB
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2626 PagePage2626
Station A Station B
40km12dB
l The distance between station A and station B: 40km, line attenuation: 12dB.
l The same board configuration of station A and station B :
p Transmitting end: OBU101.
p Receiving end: OAU101.
OTM OTM
l Network topology
Power Calculation of Main Path - OTM
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2727 PagePage2727
To station B
OTU
M40
M40 OBU101
F
I
U
Suppose Typical Launch Power of OTU: -2dBm.
Min. insertion loss of VOA : 2dB.
IL of M40: 6.5dB.
OBU101 nominal individual channel input/output Power-20/0dBm, typical gain: 20 dB.
IL of FIU:1dB.
VOA
l Signal flow and related indices at the transmitting side of station A
Power Calculation of Main Path - OTM
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2828 PagePage2828
OTUM40
M40
F
I
U
To station B
l Typical optical power of the reference points at the transmitting side
of station A Single Channel
-2dBm -20dBm 0dBm -1dBm
Power Calculation of Main Path - OTM
OBUC01
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN2929 PagePage2929
M40M40
F
I
U
l Ptotal (dBm)Psigle (dBm) + 10lgN (dB)
OTU
OTU
-2dBm -20+10lgN 0+10lgN -1+10lgN
To station B
l Typical optical power of the reference points at the transmitting side
of station A Multiplex Channels
Power Calculation of Main Path - OTM
OBUC01
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3030 PagePage3030
Station A Station B
l The launched optical power of station A : -1+10lgN(dBm).
l Attenuation of the line fiber: 12dB.
l The receiving optical power of station B: -13+10lgN(dBm).
OTM OTM40km12dB
-1+10lgN -13+10lgN
Power Calculation of Main Path - OTMl Network topology and the line optical power
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3131 PagePage3131
IL of FIU:1dB.
Min. IL of VOA : 2dB.
OAU101 nominal individual channel input/output Power -16/4dBm, typical gain: 20 dB.
IL of D40: 6.5dB.
Typical receiving optical power of OTU: -16dBm (APD), -9dBm (PIN).
M40D40
F
I
U
M40D40
OTU
OTU
Fixed attenuator
-13+10lgN
l Signal flow and related indices at the receiving side of station B
Power Calculation of Main Path - OTM
From station A
OAU101
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3232 PagePage3232
l If the input optical power of OAU is lower than the nominal power, VOA should be
removed.
PsinglePtotal - 10lgN - IL of D40.
From station A
M40D40OPU03
F
I
U
M40D40
OTU
OTU
l Typical optical power of the reference points at the receiving side
of station B-13+10lgN -16+10lgN 4+10lgN -2.5dBm
Power Calculation of Main Path - OTM
OAU101
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3333 PagePage3333
Power Calculation of Main Path - OLA
Station A Station C
OLAOTM OTM
Station B
40km12dB
l OBU101 is used at the transmitting side of station A & C.
l OAU101 is used in station B.
C
B
B DCM-B
l Network topology
60km18dB
-1+10lgN -13+10lgN
-1+10lgN-19+10lgN
C DCM-C
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3434 PagePage3434
OAU101
PA BAFrom station A
F
I
U
F
I
U
DCM(B)
l Typical optical power of the reference points from station A to station C
OAU101 nominal individual channel input/output power: -16/+4dBm, gain range: 20~31dB.
IL of DCM(B): 5dB. IL of FIU: 1 dB.
Actual gain of OAU101 is 20dB.
-13+10lgN -16+10lgN +4+10lgN +3+10lgN
Power Calculation of Main Path - OLA
To station C
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3535 PagePage3535
l Please calculate the optical power of each reference point from station C to station A.
F
I
U
F
I
U
OAU101
BA
DCM(C)
PA
l Is it necessary to put VOA before OAU101?
l What is the actual gain of OAU101?
-19+10lgN
Questions
From station C
To station A
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3636 PagePage3636
Station A Station C
FOADMOTM OTM
Station B
40km12dB
l OBU101 is used at the transmitting side of station A & C.
l OAU101/OBU101 is used at the station B.
l Two MR2 is used in station B.
B
B DCM-B
l Network topology
80km24dB
-1+10lgN -13+10lgN
Power Calculation of Main Path - FOADM
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3737 PagePage3737
OAU101 nominal individual channel input/output Power -16/+4dBm,
gain range:20~31dB.
IL of DCM(B): 5dB. IL of FIU: 1dB. IL of MR2: 1dB.
OBU101 nominal individual channel input/output Power -20/0dBm.
OAU101
PA BAF
I
U
F
I
U
DCM(B)
MR2MR2
OTU
OBU101
l Typical optical power of the reference points from station A to station C
OTU
OTU
OTU
-13+10lgN
Power Calculation of Main Path - FOADM
From station A
To station C
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3838 PagePage3838
OAU101
PA BAF
I
U
F
I
U
DCM(B)
MR2MR2
OTU
VOAOBU101
OTU
OTU
OTU
-13+10lgN
-16+10lgN +4+10lgN -20+10lgN 0+10lgN
-1+10lgN
Power Calculation of Main Path - FOADM
l Typical optical power of the reference points from station A to station C
From station A
To station C
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN3939 PagePage3939
Station A Station C
ROADMOTM OTM
Station B
40km12dB
l OBU101 is used at the transmitting side of station A & C.
l OAU101/OBU101 is used at the station B.
l Two ROAM is used in station B.
B
B DCM-B
l Network topology
80km24dB
-1+10lgN -13+10lgN
Power Calculation of Main Path - ROADM
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4040 PagePage4040
OAU101 nominal individual channel input/output Power -16/+4dBm,
gain range:20~31dB.
IL of DCM(B): 5dB. IL of FIU: 1dB. IL of D40: 6.5dB.
IL of ROAM: Mx-OUT:9dB, IN-DM:7dB, EXPI-OUT:14dB, IN-EXPO:3dB.
OBU101 nominal individual channel input/output Power -20/0dBm.
OAU101
PA BAF
I
U
F
I
U
DCM(B)
ROAM
OTU
OBU101
l Typical optical power of the reference points from station A to station COTU
OTU
OTU
-13+10lgN
Power Calculation of Main Path ROADM 1
From station A
To station C
ROAM
D40
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4141 PagePage4141
OAU101
PAF
I
U
F
I
U
DCM(B)
OBU101
-13+10lgN
-16+10lgN +4+10lgN
-3+10lgN
0+10lgN
-1+10lgN
l Typical optical power of the reference points from station A to station C
From station A
To station C
ROAM
OTU
OTU
OTU
OTU
ROAM
D40
BA
+1+10lgN
-20+10lgN
Power Calculation of Main Path ROADM 1
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4242 PagePage4242
OAU1 nominal individual channel input/output Power -16/+4dBm, gain range:20~31dB.
IL of DCM(B): 5dB. IL of FIU: 1dB. IL of D40: 6dB, IL of M40V: 8dB.
IL of WSD9: 8dB(IN-DMx,IN-EXPO).
IL of RMU9: 8.5dB(EXPI-OUT), 12.5dB (AMx-TOA), 1.5 dB (ROA-OUT
OBU101 nominal individual channel input/output Power -20/0dBm.
OAU101
PA BAF
I
U
F
I
U
DCM(B)
WSD9
OTU
OBU101
l Typical optical power of the reference points from station A to station COTU-13+10lgN
Power Calculation of Main Path ROADM 2
From station A
To station C
RMU9
D40
M40V
OBU101
OTUOTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4343 PagePage4343
OAU101
PAF
I
U
F
I
U
DCM(B)
OBU101
-13+10lgN
l Typical optical power of the reference points from station A to station C
From station A
To station C
BA
Power Calculation of Main Path ROADM 2
WSD9
OTU
OTU
RMU9
D40
-16+10lgN +4+10lgN -20+10lgN
0+10lgN
-1+10lgNM40V
OBU101
OTUOTU
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4444 PagePage4444
OAU101 nominal individual channel input/output Power -16/+4dBm,
gain range:20~31dB.
IL of DCM(B): 5dB. IL of FIU: 1dB. IL of D40/M40: 6.5dB.
IL of WSD9: 8dB(IN-DMx,IN-EXPO). IL of WSM9: 8dB(AMx-OUT,EXPI-OUT).
OBU101 nominal individual channel input/output Power -20/0dBm.
OAU101
PA BAF
I
U
F
I
U
DCM(B)
WSD9
OTU
OBU101
l Typical optical power of the reference points from station A to station COTU
OTU
OTU-13+10lgN
Power Calculation of Main Path ROADM 3
From station A
To station C
WSM9
D40 M40
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OAU101
PAF
I
U
F
I
U
DCM(B)
OBU101
-13+10lgN
l Typical optical power of the reference points from station A to station C
From station A
To station C
BA WSD9
OTU
OTU
OTU
OTU
WSM9
D40 M40
Power Calculation of Main Path ROADM 3
B
C
-16+10lgN +4+10lgN
-4+10lgN
-10
-4+10lgN -12+10lgN
0+10lgN
-1+10lgN
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4646 PagePage4646
l 80CH WSS ROADM
Power Calculation of Main Path ROADM 4
WSD9
OTU
OTU
OTU
OTU
D40-E
M40-O
OBU101OAU101
OTU
OTU
D40-O
WSM9
OTU
OTU
M40-E
-19+10lgN +1+10lgN
-7+10lgN
-8+10lgN
-3+10lgN
-15+10lgN (pass through)
-7+10lgN
-16+10lgN(add)
-2
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4747 PagePage4747
l Please calculate the optical power of each reference point (40 channels)
Questions
F
I
U
F
I
U
OBUC01
-12+10lgN
From station A
To station C
WSMD4
OTU
OTU
OTU
OTU
D40
M40
OAU101 WSMD4
-4
Optical power of adding wavelength.
Optical power of passing through.
2009 VTHN. All rights reserved. 2009 VTHN. All rights reserved. THNG TIN NI B V THUC QUYN BO MT CA VTHNTHNG TIN NI B V THUC QUYN BO MT CA VTHN4848 PagePage4848
Summary
l OSC Power Calculation
l OTM Power Calculation
l OLA Power Calculation
l FOADM Power Calculation
l ROADM(ROAM) Power Calculation
l ROADM(WSD9+RMU9) Power Calculation
l ROADM(WSD9+WSM9) Power Calculation
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