社内勉強会で発表したスライドです。 インターネットの通信で使用されている金属導線と光ファイバに関して物理層の基礎的な部分を学ぶためのものです。 内容等に関して所属する会社とは一切関係ありません。

1. 2014/01/10 MF

2. 
2014 (c) INTERNET MULTIFEED CO.

3. ref.2
ref.1
A: UTP
B:
2014 (c) INTERNET MULTIFEED CO.

4. 2014 (c) INTERNET MULTIFEED CO.

5. 

 RTT




(

 RTT
2014 (c) INTERNET MULTIFEED CO.
)

6. 
+1V
0, 1

0V

0.5 R


V
I
V
R
V = RI



€
€
Tx
€
€
€
€
0.5V
0.5 R
€
€
€
€

€
0
+




2014 (c) INTERNET MULTIFEED CO.
€
Rx

7. ref.3





ref.4









2014 (c) INTERNET MULTIFEED CO.

8. ref.5

 UTP






εs

v=


c
εs
c
€
,c
= 3.0 × 10 8 [m/s]
ε s = 2.3
ε s ≅ 1.0
v = 0.66c
v≅c
2014 (c) INTERNET MULTIFEED CO.
2
3

9. ref.6

0, 1



ref.7


n
c
n=
v

€

€


n2
€
n1
2014 (c) INTERNET MULTIFEED CO.

10. (
ref.8
)

OH






ref.9

 850nm
MMF

 1310nm

(
)
SMF
 1550nm

2014 (c) INTERNET MULTIFEED CO.

11. 





n1

v=
c
n1
€


€
n1 = 1.5
n1 = 1.6
v = 0.66c
2
3
€
€
2014 (c) INTERNET MULTIFEED CO.

12. 2014 (c) INTERNET MULTIFEED CO.

13. c = 3.0 × 10 8 [m/s]



RTT
€
0.5 1.5
⋅
⋅ 1[sec]
7.5 1.0
= 200[ms]
RTT = 2⋅

€
…
1.5



[wired.jp]
2014 (c) INTERNET MULTIFEED CO.

14.  Ethernet
100Mbps 100BASE-TX (2Lane)
100BASE-FX
1Gbps 1000BASE-T (4Lane)
1000BASE-X
10Gbps 10GBASE-T (4Lane)
10GBASE-R
40Gbps -
40GBASE-SR10 (10Lane)
100Gps -
100GBASE-LR4 (4Lane)
2014 (c) INTERNET MULTIFEED CO.

15. 1.
UTP/
2.
(
)
3.
2014 (c) INTERNET MULTIFEED CO.
LAG
DWDM

16. 


…





 1m
θ=
θ =0
π
8
2 ⋅ λ = 1 λ = 1 ⋅ c = 1 ⋅ 3 × 10
1=
2π €
4
4 f 4
f
€
6
f = 7.5 × 10 = 7.5[MHz]
π
2
f
θ=
π
2
€
θ =0
θ =π
€
1m
€
€
2014 (c) INTERNET MULTIFEED CO.
€

17. ref.10




…



ref.11



…
±1 2V
2014 (c) INTERNET MULTIFEED CO.

18. 


28Gbps
 100GBASE-LR 25Gbps
ref.12
2014 (c) INTERNET MULTIFEED CO.

19. 



2014 (c) INTERNET MULTIFEED CO.

20. ref.13




ref.14


2014 (c) INTERNET MULTIFEED CO.

21. ref.15
(IL, Insertion Loss)


(RL, Return Loss)


NEXT, Near End Crosstalk
FEXT, Far End Crosstalk




(ANEXT, Alian NEXT)
(AFEXT, Alian FEXT)



(BN, Background Noise)


2014 (c) INTERNET MULTIFEED CO.
ref.16

22. Ethernet
Cat3
Cat5
Cat5e
Cat6
Cat6a
Cat7
16MHz
100MHz
100MHz
250MHz
500MHz
600MHz
100±15
100±15
100±15
100±15
100±15
100±15
RJ45
RJ45
RJ45
RJ45
RJ45
TERA
-
12mm
12mm
3mm
3mm
3mm
TIA/EIA
UTP
UTP
UTP
UTP
UTP
STP
ISO/IEC
Class-C
UTP/STP
Class-D
UTP/STP
Class-D
UTP/STP
Class-E
UTP/STP
Class-EA
UTP/STP
Class-F
STP
100BASE-TX
-
100m
100m
100m
100m
100m
1000BASE-T
-
100m
100m
100m
100m
100m
10GBASE-T
-
-
-
55m
100m
100m
FEXT
ANEX/AACR-F
2014 (c) INTERNET MULTIFEED CO.

23. ref.17
Cat5e
Cat6
Cat6a
Cat7
2014 (c) INTERNET MULTIFEED CO.

24. T
100BASE-TX
1000BASE-T
10GBASE-T
100Mbps
1000Mbps
10Gbps
2
4
4
62.5MHz
125MHz
800MHz
31.25MHz
62.5MHz
400MHz
3
5
16
100m
100m
100m
Cat5
Cat5e
Cat6a
4B5B
8B1Q4
LDPC (64B65B)
MLT-3
4D-PAM5
DSQ128 (PAM16)
 100BASE-TX 1000BASE-T
5 4 ⋅ 125
2
3 ⋅ 62.5
= 16.6
2014 (c) INTERNET MULTIFEED CO.

25. Ethernet
ref.18
2014 (c) INTERNET MULTIFEED CO.

26. 1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
http://cable-ichiba.com/products/list.php?category_id=29&orderlength=00100&category_cable
http://www.amazon.co.jp/dp/B0037BQ6E8h
http://sakamotoss.digi2.jp/moter/migineji.html
http://www.jsimplicity.com/ja_Report_Electromagnetism_html/
ja_Chapter11_ElectromagneticInduction_FaradaysLaw.html
http://kuwalab.eng.shizuoka.ac.jp/kougi/dai6kai.ppt
http://www.phy.ntnu.edu.tw/wiki/index.php/%E5%85%A8%E5%8F%8D%E5%B0%84
http://www.kurejbc.com/technical/technical-3.htm
http://dbnst.nii.ac.jp/pro/detail/931
http://www.yokogawa.com/jp-ymi/tm/TI/keimame/opt/opt_1.htm
http://en.wikipedia.org/wiki/Skin_effect
http://www.blackbox.co.jp/Portals/0/techBBNS/tech/150229.html
http://www.yokogawa.com/jp-ymi/tm/TI/keimame/opt/opt_1.htm
http://ja.wikipedia.org/wiki/%E3%83%84%E3%82%A4%E3%82%B9%E3%83%88%E3%83%9A
%E3%82%A2%E3%82%B1%E3%83%BC%E3%83%96%E3%83%AB
http://homepage2.nifty.com/~amaki/lan/cont24-03.htm
http://www2.panasonic.biz/es/densetsu/haisen/lan/support/tokusei.html
http://www.cablinginstall.com/articles/print/volume-15/issue-1/features/standards/tsb-155-on-track-forimminent-publication.html
http://www.net.c.dendai.ac.jp/~nojikawa/03kc082.htm
http://www.picbasic.co.uk/forum/showthread.php?t=10169
2014 (c) INTERNET MULTIFEED CO.