indoor hardware quality standard
DESCRIPTION
Indoor Hardware Quality StandardTRANSCRIPT
HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
Indoor Hardware
Quality Standard
Prepared By QC Department
HUAWEI TECHNOLOGIES CO., LTD. Page 2
Content
Rack & Cabinet
Power & Grounding Cables
Fibers
Signal Cables
Labels
Example Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 3
Rack & Cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 4
Cabinet Type
HUAWEI TECHNOLOGIES CO., LTD. Page 5
Cabinet Type
HUAWEI TECHNOLOGIES CO., LTD. Page 6
Indoor Environment
Rack & Cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 7
Cabinet Fixation on Cement Floor
Rack & Cabinet
4. Insulating Plate
Baut Expansi harus terinstall
dengan baik
HUAWEI TECHNOLOGIES CO., LTD. Page 8
Cabinet Fixation on Antistatic Floor
Rack & Cabinet
HUAWEI TECHNOLOGIES CO., LTD. Page 9
Cabinet Fixation
Rack & Cabinet
Cabinet yang berdampingan
harus sejajar dan lurus
sehingga terlihat rapi.
Cabinet yang mempunyai tinggi
yang sama harus sejajar dan
lurus.
Tidak boleh ada goresan atau
kerusakan pada cabinet, jika
terdapat kerusakan pada cat
maka harus dilakukan
pengecatan ulang.
Kesalahan pada ketinggian
Cabinet harus kurang dari
3 mm.
Kesalahan jarak antar rack
cabinet harus kurang dari 5 mm.
HUAWEI TECHNOLOGIES CO., LTD. Page 10
Inlet/Outlet
Rack & Cabinet
All of the inlet/outlet cable holes of the cabinet should be blocked out.
Antistatic Wrist strap harus dalam keadaan terpasang di lubang instalasi antistatic pada rack.
HUAWEI TECHNOLOGIES CO., LTD. Page 11
Power & Grounding Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 12
Power & Grounding Cables
Connection
Kabel Power dan Grounding harus terkoneksi dengan benar dan kuat.
Tidak boleh ada kawat tembaga yang terbuka pada koneksi kabel power dan Grounding.
HUAWEI TECHNOLOGIES CO., LTD. Page 13
Power & Grounding Cables
Connection
Semua jenis perangkat
dengan keseluruhan atau
sebagian dari metal pada
rack dan chassis
harus dihubungkan ke
protection ground dengan
benar dan relative kuat.
Koneksi Protection
Ground (PGND) dari 1
cabinet ke Busbar
Customer di-standardkan
1 (satu) tarikan kabel
seperti ditunjukkan pada
gambar disamping.
Cabinet
PGND BAR
HUAWEI TECHNOLOGIES CO., LTD. Page 14
Power & Grounding Cables
Connection
Koneksi Grounding cabinet doors harus
terkoneksi dengan benar dan kuat.
Grounding protection pada AC dan DC power
supply harus dikoneksikan pada grounding
bar. GND dan PGND harus dikoneksikan
pada grounding body yang sama.
HUAWEI TECHNOLOGIES CO., LTD. Page 15
Power & Grounding Cables
Routing & Distribution
Routing Kabel Power dan Ground
harus dilakukan dengan lurus
tanpa bending dan silang serta
diikat dengan kabel Ties
Bila jarak antara Cable Ladder dengan
bagian atas cabinet lebih dari 80 cm, harus
ditambahkan Cable Ladder dengan
menggunakan support yang kuat
HUAWEI TECHNOLOGIES CO., LTD. Page 16
Power & Grounding Cables
Contoh yang salah (signal cable
dan power cable di ikat
bersamaan)
Contoh yang benar (signal cable dan power cable
di beri jarak 3cm)
Note: Untuk instalasi indoor gunakan tie wrap warna putih. Potong ujung sisa sampai habis.
Routing & Distribution
HUAWEI TECHNOLOGIES CO., LTD. Page 17
Power & Grounding Cables
When making lugs for the power and ground cables, the lugs should be soldered or crimped firmly.
No Copper Wire naked
(Good Example)
1 2
3
HUAWEI TECHNOLOGIES CO., LTD. Page 18
Dua alasan utama untuk Instalasi Grounding system pada site
(2 Main clause for install grounding system at Site)
Power & Grounding Cables
1. Untuk mengurangi resiko cedera akibat petir
For decrease risk injury from thunderbolt
2. Untuk memproteksi peralatan pada OptiX yang disebabkan karena tegangan tinggi dan arus yang besar yang disebabkan oleh petir
For protect equipment of OptiX causes High voltage and high current from thunderbolt
HUAWEI TECHNOLOGIES CO., LTD. Page 19
Fibers
HUAWEI TECHNOLOGIES CO., LTD. Page 20
Distribusi Fibers Kabel tidak cross/menghalangi board sehingga dapat menyulitkan pada saat expand
modul. Label di tempatkan sejajar/rapih
Common
Fibers
HUAWEI TECHNOLOGIES CO., LTD. Page 21
Apabila terdapat coil box, fiber
cable dapat digulung dengan rapih
di coil box
Distribusi fiber kabel harus menggunakan protection tube apabila di
distribusikan ke luar kabinet
Pada ujung protection tube untuk fiber diberikan insulating tape untuk
mencegah gesekan yang tajam pada Fiber Cable.
Panjang protection tube yang masuk kedalam cabinet tidak lebih dari 10
cm dan diikat dengan kuat.
Common
Fibers
HUAWEI TECHNOLOGIES CO., LTD. Page 22
Common
The connection point of tail fiber must be clean without any dust.
The unused optical fiber head and board optical port must be
covered with protection caps (plugs).
Fibers
HUAWEI TECHNOLOGIES CO., LTD. Page 23
Signal Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 24
Routing Subscriber cables must be tidy
Jalur / rute kabel Signal / Kabel E1 harus rapi
Signal Cables
Routing & Distribution
HUAWEI TECHNOLOGIES CO., LTD. Page 25
Distribution signal cable on DDF
Distribusi signal tidak rapih
Distribusi signal rapih, di
buat spare secukupnya,
hasil pemotongan ujung
kabel di isolasi/ditutup
Signal cable disusun sejajar (tidak saling
cross), dengan label yang jelas
Signal Cables
Routing & Distribution
HUAWEI TECHNOLOGIES CO., LTD. Page 26
Labels
HUAWEI TECHNOLOGIES CO., LTD. Page 27
Labels
Labels of Cabinet
LABELS SUB RACK LABELS RACK
HUAWEI TECHNOLOGIES CO., LTD. Page 28
Labels
Labels of Power Cables & Ground
General use Label Ties for Power Cables
• Power cable menggunakan label ties.
• Diletakan 2 cm setelah konektor.
• Di Print, bukan tulis tangan.
Horizontal position
Vertical Position
HUAWEI TECHNOLOGIES CO., LTD. Page 29
Labels
Labels of Power Cables & Ground
The label of power cables are filled in and pasted correctly and reliably.
(Stick cable label at cabinet, power supply and grounding bar: for easy
Identification )
Explanation to the label example:
The contents of the label on the load cabinet side is “A01/B08- –48V2 ”, indicating that this
power cable is the –48V2 that comes from 8th connecting terminal on the second row of –
48V bus bar in the power distribution box, which is located in row A and line 01.
The contents of the label on the power distribution cabinet side is “B03- –48V2 ”,
indicating that this power cable is the –48V2 that comes from the load cabinet, which is
located in row B and line 03.
HUAWEI TECHNOLOGIES CO., LTD. Page 30
Labels
Labels of Power Cables & Ground
The label of power cables are filled in and pasted correctly and reliably.
(Stick cable label at cabinet, power supply and grounding bar: for easy
Identification )
HUAWEI TECHNOLOGIES CO., LTD. Page 31
Labels
Labels of Signal Cables
• Pada label diatas “A01-03-01-01” meng-indikasikan bahwa ujung pangkal dari kabel dikoneksikan
dengan Terminal 01 pada Slot 01, Subrack 03 dari kabinet pada Baris A dan Kolom 01.
• Sedangkan pada “MDF-G01-01-01” meng-indikasikan bahwa ujung sisi yang lain dari kabel
dikoneksikan dengan Terminal pada Baris 01, Kolom 01 dari MDF pada Baris G dan Kolom 01.
Labels for Cable Posisi Pemasangan Label
General Labels for Signal Cables
HUAWEI TECHNOLOGIES CO., LTD. Page 32
Labels of Subscribers Cables
Labels
• Label untuk Kabel Subcribers dipasang diujung kabel disisi Konektor Equipment MA5605 (Access)
dan diujung kabel disisi Main Distribution Frame (MDF).
• Untuk Labels di MDF, cukup jelas.
HUAWEI TECHNOLOGIES CO., LTD. Page 33
MUST BE USE LABELS INFORMATION
Labels of Subscribers Cables
Labels
HUAWEI TECHNOLOGIES CO., LTD. Page 34
Labels
Labels of E1 Cables
LABELS NEAR DDF
HUAWEI TECHNOLOGIES CO., LTD. Page 35
Labels
Labels of E1 Cables
MUST BE USE LABELS INFORMATION
HUAWEI TECHNOLOGIES CO., LTD. Page 36
Labels
Labels of DDF
LABELS ON DDF LABELS ON DDF
HUAWEI TECHNOLOGIES CO., LTD. Page 37
Labels
• Pada label diatas “A01-01-05-05-R” meng-indikasikan bahwa ujung pangkal dari Optical Fiber
dikoneksikan dengan Interface Penerima (Receiving) Optical 05 pada Slot 05, Frame 01 dari Kabinet
pada Baris A, Kolom 01.
• Sedangkan pada “G01-01-01-01-T” meng-indikasikan bahwa ujung sisi yang lain dari Optical Fiber di
koneksikan dengan Interface Pengirim (Transmitting) Optical 01 pada Slot 01, Frame 01 dari Kabinet
pada Baris G, Kolom 01.
Labels for Cable Posisi Pemasangan Label
Labels of Fibers
General Labels for Optical Fibers
HUAWEI TECHNOLOGIES CO., LTD. Page 38
Labels
Labels of Fibers
The label of Fibers are filled in and pasted correctly and reliably.
HUAWEI TECHNOLOGIES CO., LTD. Page 39
Labels
Labels of Fibers
The label of Fibers are filled in and pasted correctly and reliably.
HUAWEI TECHNOLOGIES CO., LTD. Page 40
Labels
Labels on Alarm Box
The label of Fibers are filled in and pasted correctly and reliably.
HUAWEI TECHNOLOGIES CO., LTD. Page 41
Examples Hardware
Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 42
No. Check Content Suggestion for Modification Subcontractor
1
The labels of rack not yet attached.
Problem Analysis:
Installation Team still not yet attached
The labels of rack shall be placed neat and clean
-
Clause List
Labels
Location
Cabinet
Status
OPEN
QAM
7
Batch
2
Defect Quantity
2
Appraisal
Code 7.1.011
Score 0.2
Sample
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 43
No. Check Content Suggestion for Modification Subcontractor
2
Some materials and redundant cable ties still exist
inside cabinet and on the top of the subrack.
Problem Analysis:
Installation Team still not recheck after finish
installation
The sundries of redundant cable ties and screws and
other things must not exist inside, or at the bottom, or
on the top of the rack.
-
Clause List
Rack & Cabinet
Location
Inside Cabinet
Status
CLOSED
QAM
1
Batch
2
Defect Quantity
4
Appraisal
Code 1.1.009
Score 0.5
Sample
Sample
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 44
Examples Hardware Quality Inspection Report
No. Check Content Suggestion for Modification Subcontractor
3
Fibers and signal cables not have fixed printed
labels.
Problem Analysis:
Installation Team not yet attached
The labels of cable are filled in and stuck correctly
and reliably. They must be tidy position and same
direction. They must be stuck on a position 2cm away
from their connectors. They can be made in a uniform
way according to customer requirement.
-
Clause List
Labels
Location
Signal Cables
Status
OPEN
QAM
7
Batch
2
Defect Quantity
4
Appraisal
Code 7.1.005
Score 0.5
Good Sample
Good Sample
Good Sample
HUAWEI TECHNOLOGIES CO., LTD. Page 45
No. Check Content Suggestion for Modification Subcontractor
4
DDF Rack not connected to the protection ground.
Problem Analysis:
Installation Team not recheck after finish
installation
The shell of maintenance terminal must be connected
to the protection ground:
1. when the network interface between the
maintenance terminal and major equipment uses a
RJ45 connector, The electric isolation between them
is realized. Thus it does not need to have the same
ground with the major equipment.
2. when the network interface between the
maintenance terminal and major equipment does not
use a RJ45 connector. It needs to have the same
ground with the major equipment.
Dian Karya
Clause List
Power & Grounding Cables
Location
DDF
Status
OPEN
QAM
3
Batch
2
Defect Quantity
1
Appraisal
Code 3.1.001
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 46
No. Check Content Suggestion for Modification Subcontractor
2
The DDF and OTB rack not connected to
protection grounding.
Problem Analysis:
Installation Team not rechecking after finished
installation
All kinds of equipment with a complete or part of
metal shell of rack and chassis must be connected to
the protection ground in a correct and reliable way.
Procon
Clause List
Power & Grounding Cables
Location
On DDF
Status
OPEN
QAM
3
Batch
1
Defect Quantity
1
Appraisal
Code 3.2.020
Score 1
Good Sample
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 47
No. Check Content Suggestion for Modification Subcontractor
5
Ground cable of cabinet door not reliable and have
no connected.
Problem Analysis:
Installation Team forget to installed
The ground cable of cabinet door must be connected
in a correct and reliable way.
-
Clause List
Power & Grounding Cable
Location
Inside Cabinet
Status
OPEN
QAM
3
Batch
2
Defect Quantity
3
Appraisal
Code 3.2.030
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 48
No. Check Content Suggestion for Modification Subcontractor
3
Ground cable of cabinet door not reliable.
Problem Analysis:
Installation Team not recheck after finish
installation
The ground cable of cabinet door must be connected
in a correct and reliable way.
Procon
Clause List
Power & Grounding Cable
Location
Inside Cabinet
Status
OPEN
QAM
3
Batch
1
Defect Quantity
1
Appraisal
Code 3.2.030
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 49
No. Check Content Suggestion for Modification Subcontractor
6
Power cable and PGND cables still use temporary
labels or not have fixed labels.
Problem Analysis:
Installation Team still not yet attached
The labels of power cable and ground cable are filled
in and stuck correctly and reliably. They must be in a
tidy position and the same direction. They must be
stuck on a position about 2cm away from their
connectors. They can be made in a uniform way
according to customer requirements, including the
label for power distribution switch.
-
Clause List
Labels
Location
Power Cables
Status
OPEN
QAM
7
Batch
2
Defect Quantity
4
Appraisal
Code 7.1.006
Score 0.3 x 3 times
(0.9)
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 50
No. Check Content Suggestion for Modification Subcontractor
7
Many redundant parts of cable ties still not cut.
Problem Analysis:
Installation Team not rechecking after finish
installation
Cables must be tied with uniform spacing and
appropriate tightness. Cable ties must be arranged in
a tidy way. Their redundant parts must be cut from
their bottom after they are tied so that any sharp
edges do not exist.
-
Clause List
Signal Cables
Location
Cable Ladder
Status
OPEN
QAM
4
Batch
2
Defect Quantity
4
Appraisal
Code 4.1.014
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 51
No. Check Content Suggestion for Modification Subcontractor
8
Discarded marking still exist under the floor.
Problem Analysis:
Installation Team not rechecking after finish
installation
The floor gaps around the rack should be blocked up.
Discarded cable ties, screws and other sundries
should not be found under the floor.
-
Clause List
Site Clean
Location
Under The Floor
Status
OPEN
QAM
19
Batch
2
Defect Quantity
4
Appraisal
Code 19.1.004
Score 0.2
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 52
No. Check Content Suggestion for Modification Subcontractor
10
Discarded marking and packing materials still exist
under the floor.
Problem Analysis:
Installation Team not rechecking after finish
installation
The floor gaps around the rack should be blocked up.
Discarded cable ties, screws and other sundries
should not be found under the floor.
-
Clause List
Site Clean
Location
Under The Floor
Status
OPEN
QAM
19
Batch
2
Defect Quantity
4
Appraisal
Code 19.1.004
Score 0.2
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 53
No. Check Content Suggestion for Modification Subcontractor
9
Copper wire naked..
Problem Analysis:
Installation Team not rechecking after finish
installation
No copper wire is naked in the plugs of power cable
and grounding cable. Cable plugs must be installed
according to specification.
-
Clause List
Power & Grounding Cables
Location
OSN 6800
Status
OPEN
QAM
3
Batch
2
Defect Quantity
1
Appraisal
Code 3.2.026
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 54
No. Check Content Suggestion for Modification Subcontractor
12
PGND cables and Power cables of battery have
bad arrangement (not tidy).
Problem Analysis:
Installation Team forget to installed
Power cable and grounding cable arrangement must
accord with engineering design document. Easy to
expansion or maintenance.
-
Clause List
Power & Grounding Cables
Location
Under Cabinet & Battery
Status
OPEN
QAM
3
Batch
4
Defect Quantity
4
Appraisal
Code 3.2.025
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 55
No. Check Content Suggestion for Modification Subcontractor
11
Insulation Pad not yet installed.
Problem Analysis:
Installation Team forget to installed
Support parts of rack must be installed correctly and
firmly, all of the bolts must be fixed according with
criterion. If have insulation parts must be also
installed and assure insulation result. The support
made by customer must be installed according to
customer’s request.
-
Clause List
Rack & Cabinet
Location
Under Cabinet
Status
OPEN
QAM
1
Batch
4
Defect Quantity
4
Appraisal
Code 1.1.003
Score 1.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 56
No. Check Content Suggestion for Modification Subcontractor
13
Wrong battery setting on Rectifier by customer.
Problem Analysis:
Wrong setting
Re-setting Battery setting become 650 Ah – 650 Ah.
-
Clause List
Indoor Auxiliary
Location
Rectifier
Status
CLOSED
QAM
2
Batch
1
Defect Quantity
1
Appraisal
Code -
Score -
Rework
Battery Capacity 650Ah
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 57
No. Check Content Suggestion for Modification Subcontractor
14
Materials unused, rubbish inside MKCS cabinets
The equipment room should be
neatness and tidy. Discarded packing
materials should be cleaned. Spare
parts should be arranged in a tidy
way after installation
PT. Dian Karya
Clause List
19.1.005
Category
MIN
Status
OPEN
QAM
19
Batch
2
Defect Quantity
7
Appraisal
Code 000000L
Score 0,2
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 58
No. Check Content Suggestion for Modification Subcontractor
15
Inlet outlet cable holes not yet block
properly.
All of the input/output cable holes of
the rack (except N68E) must be
blocked out
PT. Dian Karya
Clause List
1.1.007
Category
MED
Status
OPEN
QAM
1
Batch
2
Defect Quantity
1
Appraisal
Code 000000I
Score 1
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 59
No. Check Content Suggestion for Modification Subcontractor
16
Labels on DDF & Fibers not yet attached
Problem Analysis:
Waiting provide Optic Cables by Customer
On the DDF, trunk cable labels must be easily viewed
for going to problem location.
Adyawinsa
Clause List
Labels
Location
On DDF
Status
OPEN
QAM
7
Batch
1
Defect Quantity
3
Appraisal
Code 7.1.008
Score 0.3
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 60
No. Check Content Suggestion for Modification Subcontractor
2
The labels attached not good or not same direction
Problem Analysis:
Installation Team not rechecking after finish
installation
The labels of cable are filled in and stuck correctly
and reliably. They must be tidy position and same
direction. They must be stuck on a position 2cm away
from their connectors. They can be made in a uniform
way according to customer requirement.
Adyawinsa
Clause List
Labels
Location
On Cables
Status
OPEN
QAM
7
Batch
1
Defect Quantity
3
Appraisal
Code 7.1.005
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 61
No. Check Content Suggestion for Modification Subcontractor
1
Some screws still not tightness
Problem Analysis:
Installation Team not rechecking after finished
installation
The board can be plugged and unplugged smoothly.
Its panel screws must have appropriate tightness if
they exist. The steel wire of spring is perfect
SWATAMA
Clause List
Rack & Cabinet
Location
Inside Cabinet
Status
CLOSED
QAM
1
Batch
1
Defect Quantity
2
Appraisal
Code 1.1.016
Score 0.5
Examples Hardware Quality Inspection Report
HUAWEI TECHNOLOGIES CO., LTD. Page 62
No. Check Content Suggestion for Modification Subcontractor
4
Some panel screws still loosen.
Problem Analysis:
Installation Team not rechecking after finish
installation
The board can be plugged and unplugged smoothly.
Its panel screws must have appropriate tightness if
they exist. The steel wire of spring is perfect.
Procon
Clause List
Rack & Cabinet
Location
Module Power
Status
CLOSED
QAM
1
Batch
1
Defect Quantity
3
Appraisal
Code 1.1.016
Score 0.5
Rework
HUAWEI TECHNOLOGIES CO., LTD. Page 63
No. Check Content Suggestion for Modification Subcontractor
5
No covered with the adhesive tape
Problem Analysis:
Installation Team not rechecking after finish
installation
The peeled place of subscriber cable at the MDF
should be covered with the adhesive tape or heat-
shrinkable tube
Procon
Clause List
Signal Cables
Location
Cables near DDF
Status
CLOSED
QAM
4
Batch
1
Defect Quantity
3
Appraisal
Code 4.1.023
Score 0.2
Rework
HUAWEI TECHNOLOGIES CO., LTD. Page 64
No. Check Content Suggestion for Modification Subcontractor
2
Labels on the alarm box still not have and also not
yet attached on the door.
Problem Analysis:
Installation not complete yet
Labels must be stuck on the alarm box according to
specifications, easy to maintenance
Adyawinsa
Clause List
Labels
Location
On Alarm Box
Status
OPEN
QAM
7
Batch
1
Defect Quantity
2
Appraisal
Code 7.1.007
Score 0.3
HUAWEI TECHNOLOGIES CO., LTD. Page 65
No. Check Content Suggestion for Modification Subcontractor
2
No Insulating tape of the cut of protection tube.
Problem Analysis:
Installation Team still not yet attached
The cut of protection tube for tail fiber must be
smooth. Otherwise, the insulating tape must be used
to avoid hurting anyone.
Adyawinsa
Clause List
Fibers
Location
Cabinet
Status
CLOSED
QAM
5
Batch
1
Defect Quantity
2
Appraisal
Code 5.1.005
Score 0.5
Rework
Rework
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