Fiber-Optic Network Components
DIGITUS
®
Optical fiber cable
Construction of a glass fiber cable
A glass fiber cable consists mainly of three parts: The glass fiber
core, carrying the light signal, the glass jacket which reflects the
light and a plastic cladding which protects the glass fiber cable from
external influences and makes it flexible. .
The glass fiber core
There are various thicknesses of the glass fiber core which are
described with their cross section: The single mode fiber cable with
a cross section of 9µm and multi-mode fiber cables with cross sec-
tions of 50 µm and 62.5 µm.
Single mode fiber cables are more costly than multi-mode fiber
cables because of difficulties in the manufacture of an extremely
thin cable with a cross section of 9µm, but they have a greater
range.
Additional designations are used to describe them in terms of their
quality: OS1 and OS2 for single mode fiber cables, where OS2 is
the best quality and OM1, OM2 and OM3 for multi-mode cables
where OM3 is the best quality.
Fiber-Optic Patch Cables
.................................................................
75
Fiber-Optic Installation cable
...........................................................
79
Fiber-Optic Pigtails
...........................................................................
80
Fiber-Optic Couplers and Connectors
.............................................
81
Fiber-Optic Spliceboxes.................................................................... 82
Fiber-Optic Accessories
....................................................................
86
The difference between single mode and multi mode
The light is reflected in a zigzag pattern in the core of thicker multi-
mode fiber cables. This results in higher attenuation, the range of
the signal reduces, in other words. The light does not refract so
frequently in single mode fiber cables and guarantees an enor-
mous range.
The combined strand type represents an intermediate form of the
solid core type and the hollow core type. The hollow space of the
cladding is filled here with a gel or similar.
Use of the individual glass fiber cables
Multi fire cables are usually found in cabling in buildings and in
short and medium distance runs. OM2 fiber cables are used the
most. OM3 fibers of better quality are used more and more fre-
quently and replace OM2 fiber cables over the long run.
Single mode fiber cables are used because of their good signal
properties in long distance cabling.
LWL plugs
The widest distributed LWL plugs are ST-, SC- and LC plugs. The LC
plugs gains an ever increasing share of the market for glass fiber
plugs because of the compact size and their use with mini GBIC
modules in switches or media converters.
Pigtails
Pigtails are cables equipped with an LWL plug on one side and a
plain glass fiber cable on the other side. They are used at the end
points of laid cables and are spliced with each other.
Cladding
There are several forms of cladding for glass fiber cables.
Solid strand type
Hollow strand type
Combined strand type
The solid strand type surrounds the fiber directly. This has a disad-
vantageous effect when there is high strain and with temperature
differences.
Unlike the solid strand type, the hollow strand type does not
surround the fiber directly. There is a hollow space between the
cladding and the fiber which reduces the disadvantageous effects
of strain load and temperature differences.
Kabeltyp
A
Outside cable
I/J Inside cable
U
optoversal
®
cable (not VDE)
Ader
V
D
W
H
M
Solid strand
Bundled strand
Hollow strand, filled
Hollow strand, unfilled
Mini bundle (not VDE)
S
Metallic distribution element
F
Q
Filling compound for filling the cord cavities in the cable core
Source element (not VDE)
Splicing
Splicing is understood to be the connection of two glass fiber
cables. These are adjusted at their end points and permanently
fused together.
Uniform, abbreviated descriptions exist for LWL
cables in accordance with DIN-VDE Norm 0888
which consist of a series of number, as can be
seen in the table.
1. Outside cladding
H
LSOH cladding
Y
PVC cladding
2Y
PE cladding
(ZN)2Y
PE cladding with non-metallic strain relief elements
(ZN)(L)2Y PE laminated cladding with non-metallic strain relief elements
(ZN)(SR)2Y Steel spiral laminated cladding with non-metallic strain relief elements
2. Outside cladding
B
Reinforcement
BY
Reinforcement with PVC protective cover
B2Y Reinforcement with PE protective cover
Number of fibers
Number of bundled fibers x number of fibers per fiber bundle
1
2
3
4
5
6
7
8
9
10 11 12 13 14
Construction
LG
stranding in layers
Bandwidth in MHz for 1 km
(Multimode fibers)
Dispersion in ps/nm x km
(Single mode fibers)
Wavelengths
B
850nm
F
1300nm
F
1310nm
H
1550nm
Attenuation coefficient in dB/km
Cladding diameter in μm
(125µm)
(multimode fibers)
(multimode fibers)
(single mode fibers)
(single mode fibers)
Field diameter in μm for single mode fibers
(9µm)
Core diameter in μm for multi mode fibers
(50µm or 62.5µm)
Construction type
E
Single mode fiber
G
Multimode fiber
Subject to alterations.
4
Fiber-Optic Patch Cables
ST / ST
Fiber-optic patch cable, duplex
• ST / ST Connectors
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Two color Boot (Multimode cable)
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 - 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
247999 /
DK-2511-01
248033 /
DK-2511-02
248064 /
DK-2511-03
248118 /
DK-2511-05
248101 /
DK-2511-07
248095 /
DK-2511-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
248194 /
DK-2611-01
248217 /
DK-2611-02
248224 /
DK-2611-03
248231 /
DK-2611-05
248255 /
DK-2611-07
248262 /
DK-2611-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
248279 /
DK-2511-01/3
248286 /
DK-2511-02/3
248293 /
DK-2511-03/3
248309 /
DK-2511-05/3
248316 /
DK-2511-07/3
248323 /
DK-2511-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
248330 /
DK-2911-01
248347 /
DK-2911-02
248354 /
DK-2911-03
248361 /
DK-2911-05
248378 /
DK-2911-07
248385 /
DK-2911-10
SC / SC
Fiber-optic patch cable, duplex
• SC / SC Connector
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Two color Boot (Multimode cable)
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 - 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
248392 /
DK-2522-01
248408 /
DK-2522-02
248415 /
DK-2522-03
248422 /
DK-2522-05
248446 /
DK-2522-07
248453 /
DK-2522-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
248460 /
DK-2622-01
248477 /
DK-2622-02
248491 /
DK-2622-03
248507 /
DK-2622-05
248514 /
DK-2622-07
248521 /
DK-2622-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
248538 /
DK-2522-01/3
248545 /
DK-2522-02/3
248552 /
DK-2522-03/3
248569 /
DK-2522-05/3
248576 /
DK-2522-07/3
248729 /
DK-2522-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
248736 /
DK-2922-01
248743 /
DK-2922-02
248750 /
DK-2922-03
248767 /
DK-2922-05
248774 /
DK-2922-07
248781 /
DK-2922-10
75
Fiber-Optic Patch Cables
LC / LC
Fiber-optic patch cable, duplex
• LC / LC Connector
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 - 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
249030 /
DK-2533-01
249054 /
DK-2533-02
249047 /
DK-2533-03
249061 /
DK-2533-05
249078 /
DK-2533-07
249085 /
DK-2533-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
248798 /
DK-2633-01
248804 /
DK-2633-02
248811 /
DK-2633-03
248828 /
DK-2633-05
248835 /
DK-2633-07
248842 /
DK-2633-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
248859 /
DK-2533-01/3
248866 /
DK-2533-02/3
248873 /
DK-2533-03/3
248880 /
DK-2533-05/3
248897 /
DK-2533-07/3
248903 /
DK-2533-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
248910 /
DK-2933-01
248927 /
DK-2933-02
248934 /
DK-2933-03
248941 /
DK-2933-05
248958 /
DK-2933-07
248965 /
DK-2933-10
ST / SC
Fiber-optic patch cable, duplex
• ST / SC Connector
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Two color Boot (Multimode Cable)
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 - 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
248606 /
DK-2512-01
248613 /
DK-2512-02
248620 /
DK-2512-03
248637 /
DK-2512-05
248644 /
DK-2512-07
248651 /
DK-2512-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
248668 /
DK-2612-01
248675 /
DK-2612-02
248682 /
DK-2612-03
248699 /
DK-2612-05
248705 /
DK-2612-07
248712 /
DK-2612-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
248972 /
DK-2512-01/3
248989 /
DK-2512-02/3
248996 /
DK-2512-03/3
249009 /
DK-2512-05/3
249016 /
DK-2512-07/3
249023 /
DK-2512-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
249092 /
DK-2912-01
249108 /
DK-2912-02
249115 /
DK-2912-03
249122 /
DK-2912-05
249139 /
DK-2912-07
249146 /
DK-2912-10
76
Fiber-Optic Patch Cables
LC / ST
Fiber-optic patch cable, duplex
• LC / ST connector
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Two color Boot (Multimode Cable)
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 - 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
249153 /
DK-2531-01
249160 /
DK-2531-02
249177 /
DK-2531-03
249184 /
DK-2531-05
249191 /
DK-2531-07
249207 /
DK-2531-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
249214 /
DK-2631-01
249221 /
DK-2631-02
249238 /
DK-2631-03
249245 /
DK-2631-05
249252 /
DK-2631-07
249269 /
DK-2631-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
249276 /
DK-2531-01/3
249283 /
DK-2531-02/3
249290 /
DK-2531-03/3
249306 /
DK-2531-05/3
249313 /
DK-2531-07/3
249320 /
DK-2531-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
249337 /
DK-2931-01
249344 /
DK-2931-02
249351 /
DK-2931-03
249368 /
DK-2931-05
249375 /
DK-2931-07
249382 /
DK-2931-10
LC / SC
Fiber-optic patch cable, duplex
• LC / SC Connector
• Halogen free cable I-VH 2G-XXX (Multimode),
I-VH 2E-XXX (Singlemode)
• OM3 up to 10Gbit Ethernet, OM1 & 2 1Gbit Ethernet
• Connector with ceramic ferrule
• Two color Boot (Multimode Cable)
• Single packed, with test report
Multimode
Singlemode
Please choose your requested product by the corresponding article number or the EAN code.
Multimode OM2 50/125 µ
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
249399 /
DK-2532-01
249405 /
DK-2532-02
249412 /
DK-2532-03
249436 /
DK-2532-05
249443 /
DK-2532-07
249450 /
DK-2532-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM1 - 62,5/125 µ
249467 /
DK-2632-01
249474 /
DK-2632-02
249481 /
DK-2632-03
249498 /
DK-2632-05
249511 /
DK-2632-07
249528 /
DK-2632-10
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Multimode OM3 - 50/125 µ
249566 /
DK-2532-01/3
249580 /
DK-2532-02/3
249597 /
DK-2532-03/3
249603 /
DK-2532-05/3
249610 /
DK-2532-07/3
249627 /
DK-2532-10/3
1,0 m
2,0 m
3,0 m
5,0 m
7,0 m
10,0 m
Singlemode - 9/125 µ
249634 /
DK-2932-01
249641 /
DK-2932-02
249658 /
DK-2932-03
249665 /
DK-2932-05
249672 /
DK-2932-07
249689 /
DK-2932-10
77
Microcontroller MCU
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