optix metro wdm optical power calculation issue1.0
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OptiX Metro WDM Optical Power Calculation ISSUE1.0TRANSCRIPT
1
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OTC304202 OptiX Metro WDM Optical Power Calculation
ISSUE 1.0
2Internal Use
ReviewReview
Do you remember the Signal Flow of OptiX Metro 6100/6040?
OTM – OLA -- OADM -- OTM
3Internal Use
ObjectivesObjectives
Upon completion of this course, you will be able to:
Grasp the relation of each Reference Point on the Equipments;
Grasp the Optical Power Calculation; Grasp the common indices on Optical
Power Calculation.
4Internal Use
ReferenceReference
OptiX Metro6100 Technical Manual OptiX Metro 6040 User Manual
5Internal Use
Basics
Review the Signal Flow
Common Indices
Optical Power Calculation
6Internal Use
Signal Flow of OptiX WDM SystemSignal Flow of OptiX WDM System
M40
D40
LWF
LWF
LWF
LWF
LWF
LWF
FIU
SCC SC1
OAU
OAU
O T M1
M40
TWD
FIU
SCCSC1
OAU
O T M2
D40
LWF
LWF
LWF
OAU
LWF
LWF
LWF
SCC
SC2FIU
FIU
O L A
FIBER
FIBER
RC
TM
OUT
IN
RM
TC
ININ OUT
OUTOUT
RC
RC
RC
RM
RM
RM
TC
TC
TC
IN
TM
TM
TM
RM2TM1
TM2RM1 RM
TM
RM
TM
OAU
OAU
DCM
DCM DCM
DCM DCM
DCM
7Internal Use
Common IndicesCommon Indices
Insertion Loss (M40, D40, MR2, DCM……)
Specification of OA (OAU, OBU,OPU)
Specification of OTU
8Internal Use
Specifications of OAU/OPU/OBUSpecifications of OAU/OPU/OBU
Type Gain (dB)
Minimum input optical power (dBm)
Maximum output optical power (dBm)
Width of front panel(nm)
OAU-C01 20 – 33 -32 20 64
OAU-C02 20 – 33 -32 17 64
OAU-C03 26 – 32 -32 20 64
OBU-C01 23 -32 17 32
OBU-C02 23 -22 20 64
OPU-C01 20 -32 14 32
OPU-C02 20 -32 14 32
9Internal Use
Specification of OTUSpecification of OTU
OTU TypesReceiver Sensitivi
ty (dBm)Overload Power
(dBm)Mean Launch Power (d
Bm)
OCU
DWDM Side
-17 0 -1~-5
Client Side -18 -3 -3~-9
LDG
DWDM Side
PIN:-18 PIN:0 -10~2 ( EA )-10~7 (Direct Modulation)APD:-25 APD:-9
Client Side1310 : -19 1310 : -3 1310:-11.5~-3
850 : -17 850 : 0 850:-9.5~0
LWX
DWDM Side
PIN:-18 PIN:-3 -10~2(EA-10~7 (Direct Modulation)APD:-25 APD:-9
Client Side -18 -3 -10~-4
10Internal Use
Specification of OTUSpecification of OTU
OTU TypesReceiver Sensitivit
y (dBm)Overload Power (dBm)
Mean Launch Power (dBm)
LWM
DWDM Side
PIN:-18 PIN:0 -10~2 ( EA )-10~7 ( Direct Modulation )APD:-25 APD:-9
Client Side -18 -3 -10~-3
LQS
DWDM Side
PIN:-18 PIN:0 -10~2 ( EA )-10~7 ( Direct Modulation )APD:-25 APD:-9
Client Side -28 -8 1310nm : -8~-15
LGS
DWDM Side
PIN:-18 PIN:0 -10~2 ( EA )-10~7 ( Direct Modulation )APD:-25 APD:-9
Client Side SDH:-28 -8 SDH : -8~-15
GE ( 1310nm ) :-19
-3 1310nm : -9.5~0
GE ( 850nm ) :-17 0 850nm : -11.5~-3
11Internal Use
Basics
Optical Power Calculation
Power calculation of OSC
Power calculation of Traffic Channel
12Internal Use
Power Calculation of OSCPower Calculation of OSC
Typical Launch Power of SC2/SC1/TC1/TC2: -3~-4dBm IL of FIU (from RM to OUT or from IN to TM): 1dB Receiving Power = Launch Power – Loss of Fiber – 2•IL of FIU
13Internal Use
Power CalculationPower Calculation of Traffic Channel of Traffic Channel
Power calculation of OTM
Power calculation of OLA
Power calculation of OADM
14Internal Use
Power CalculationPower Calculation of OTM - Transmitting Side of OTM - Transmitting Side
Note:1. Nominal Insertion loss of V40: 9dB,2. POutput = PInput of Channel + Gain + 10lgN, N: number of channel.
Fixed Attenuator
VOA
① Typical Launch Power: -2dBm② IL of M40:6dB③ ⑥ Min. IL of VOA:2dB④ Nominal Input Power of individual channel:-19dBm⑤ Nominal Output Power of individual channel:1dBm⑦ IL of DCM: depend on compensation distance ⑧ Nominal Input Power of individual channel:-15dBm⑨ Nominal Output Power of individual channel: 4dBm⑩ IL of FIU: 1dB
To Fiber
IL-Insertion Loss
OAUFIUOTU M40
DCM
20
19
PA BA
① ② ③ ④ ⑤ ⑥ ⑦
⑧ ⑨ ⑩
15Internal Use
Power calculationPower calculation of OTM - Receiving Side of OTM - Receiving Side
OAU
FIU D40OTU
DCM
20
19
PA BA
① ② ③ ④ ⑤⑥
⑦ ⑧ ⑨ ⑩
From Fiber
Fixed Attenuator
VOA① IL of FIU: 1dB② ⑤ Min. IL of VOA:2dB
③ Nominal Input Power of individual channel:-19dBm ④ Nominal Output Power of individual channel:1dBm ⑥ IL of DCM: depend on compensation distance ⑦ Nominal Input Power of individual channel:-15dBm ⑧ Nominal Output Power of individual channel: 4dBm
⑨ IL of D40:6dB ⑩ Typical Receiving Power: -10dbm(PIN)
If ESC is available, FIU and SC1/2 (orTC1/2) are not involved in power calculation.
16Internal Use
Power calculationPower calculation of of OLAOLA
OAU
FIUFIU
DCM
20
19
PA BA
① ② ③ ④ ⑤ ⑥
⑦ ⑧ ⑨
From Fiber To Fiber
① ⑨ IL of FIU: 1dB② ⑤ Min. IL of VOA:2dB
③ Nominal Input Power of individual channel:-19dBm ④ Nominal Output Power of individual channel:1dBm ⑥ IL of DCM: depend on compensation distance ⑦ Nominal Input Power of individual channel:-15dBm ⑧ Nominal Output Power of individual channel: 4dBm
Fixed Attenuator
VOA
Note:If the input optical power of PA is lower than the nominal power, VOA must be removed to make input power as high as possible, input optical power of BA must reach the nominal value.
17Internal Use
Power calculationPower calculation of OADM I of OADM I
OAU
20
19
PA BA
① ② ③ ④
⑤
⑥ ⑦ ⑧ ⑨DCM
FIUFIU2
3MR2
OTU
OTU
MR2
OTU
OTU
OBU
① ⑨ IL of FIU: 1dB② ④ ⑦ Min. IL of VOA:2dB
③ Nominal Input Power of individual channel:-19dBm ⑤ IL of DCM: depend on compensation distance ⑥ Nominal Input Power of individual channel:-15dBm
⑧ Nominal Input Power of individual channel:-15dBm
Fixed Attenuator
VOA
From Fiber To Fiber
18Internal Use
Power calculationPower calculation of OADM II of OADM II
20 19
PA BA
① ②
③
④ ⑤ ⑥ ⑦
⑨From Fiber
FIUFIUTo Fiber
MR2
OTU
OTU
MR2
OTU
OTU
OAU-I
① ⑧ IL of FIU: 1dB② ⑤ ⑨ Min. IL of VOA:2dB
③ Nominal Input Power of individual channel:-19dBm ④ Nominal Output Power of individual channel:1dBm ⑥ Nominal Input Power of individual channel:-15dBm
⑦Nominal Output Power of individual channel: 4dBm
Fixed Attenuator
VOA
OAU-II①
19Internal Use
Power calculationPower calculation of OADM of OADM
Ensure the power flatness of pass-through channel and add channel
Ensure that power of OBU or BA in OAU reach the Nominal Value. Power calculation of dropping/adding wavelength channel
If ESC is available, FIU and SC1/2 (orTC1/2) are not involved in power calculation.
20Internal Use
SummarySummary
How to calculate multiplex wavelength optical power? answer
QuestionsQuestions
21Internal Use
PracticePractice
If there are four wavelengths in the actual network,If there are four wavelengths in the actual network,please calculate the optical power of the reference points.please calculate the optical power of the reference points.
MR2
MR2
M40
D40
LWF
LWF
LWF
LWF
LWF
LWF
FIU
SCC SC1
OAU
OAU
O T M1
M40
TWD
FIU
SCCSC1
OAU
O T M2
D40
LWF
LWF
LWF
OAU
LWF
LWF
LWF
SC2FIU
FIU
O L A
FIBER
FIBER
RC
TM
OUT
IN
RM
TC
ININ OUT
OUTOUT
RC
RC
RC
RM
RM
RM
TC
TC
TC
IN
TM
TM
TM
RM2TM1
TM2RM1 RM
TM
RM
TM
OAUDCM
DCM
DCM
DCM
MO
MO
MI
MI
OAU OBU
OAUOBU
A
1
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B C D E F G
Confidential Information of Huawei. No Spreading without Permission.