1. General
Cov kab lus no muaj cov kev ua haujlwm tshwj xeeb rau cov fiber ntau optical cables lees paub hauv thaj chaw
kab kev cai.
1.1Cable kis tau tus mob
Cov kab hluav taws xob sib txuas sab nraud yuav tsum ua raws li ANSI/ICEA S-87-640. Sab hauv cog optical
fiber telecommunications cable yuav tsum ua raws li ANSI/ICEA S-83-596.
Txhua cabled fiber ntau yuav tsum ua tau raws li qhov kev ua tau zoo ntawm cov lus qhia 1.
Table 1 - Optical fiber cable kis tau tus mob tsis zoo
|
Optical fiber ntau hom kab
|
Wavelength (nm)
|
Qhov siab tshaj plaws attenuation (dB / km)
|
Cov ntaub ntawv tsawg kawg nkaus kis tau tus mob rau overfilled tso tawm (MHz · km) |
|
50/125 hli multimode |
850 |
3.5 |
500 |
|
1300 |
1.5 |
500 |
|
|
62.5 / 125 hli multimode |
850 |
3.5 |
160 |
|
1300 |
1.5 |
500 |
|
|
singlemode sab hauv cog cable |
1310 |
1.0 |
N/A |
|
1550 |
1.0 |
N/A |
|
|
singlemode sab nraum cog kab |
1310 |
0.5 |
N/A |
|
1550 |
0.5 |
N/A |
|
|
CEEB TOOM - Cov ntaub ntawv xa tawm muaj peev xwm ntawm cov fiber ntau, raws li ntsuas los ntawm fiber ntau chaw tsim khoom, tuaj yeem siv los ntawm cov chaw tsim khoom siv cable los ua kom pom kev ua raws li qhov no kev xav tau. |
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1.2 Lub cev cable specifications
Kev tsim kho qhov muag fiber ntau yuav tsum muaj 50/125 mm lossis 62.5/125 mm multimode optical fibers lossis
singlemode optical fibers, los yog kev sib txuas ntawm cov xov xwm no. Ib leeg fibers thiab pawg ntawm fibers yuav tsum yog
txheeb xyuas tau raws li ANSI/TIA/EIA-598-A. Lub cable yuav tsum tau teev thiab cim raws li qhov yuav tsum tau ua raws li cov cai siv hluav taws xob thiab cov cai hauv lub tsev hauv zos.
1.3Sab hauv cog cable specifications
Cov neeg kho tshuab thiab ib puag ncig specifications rau sab hauv cog optical fiber cable yuav tsum ua raws li
nrog ANSI/ICEA S-83-596.
2- thiab 4- fiber ntau cables npaj rau kab rov tav lossis centralized cabling yuav tsum txhawb nqa lub vojvoog ntawm 25 mm
(1 nyob rau hauv) nyob rau hauv tsis-load tej yam kev mob. 2- thiab 4- fiber ntau cables npaj los rub los ntawm txoj kev kab rov tav
Thaum lub sij hawm installation yuav tsum txhawb lub vojvoog khoov ntawm 50 hli (2 nyob rau hauv) nyob rau hauv ib tug rub load ntawm 222 N (50 lbf). Tag nrho lwm yam
nyob rau hauv cov nroj tsuag cables yuav tsum txhawb ib tug khoov vojvoog ntawm 10 npaug ntawm lub cable sab nraud txoj kab uas hla thaum tsis raug
tensile load, thiab 15 npaug ntawm cable sab nraud txoj kab uas hla thaum raug tensile loading mus txog rau lub cable rated
txwv.
1.4 Sab nraum cov nroj tsuag cable specifications
Cov neeg kho tshuab thiab ib puag ncig specifications rau sab nraud cog optical fiber cable yuav tsum ua raws li
nrog ANSI/ICEA S-87-640.
Sab nraum cov nroj tsuag kho qhov muag fiber ntau cables yuav tsum yog cov dej thaiv kev tsim kho thiab ua tau raws li qhov yuav tsum tau ua
Kev sib xyaw ua ke thiab dej nkag mus raws li tsim los ntawm ANSI/ICEA S-87-640. Sab nraum zoov cable yuav tsum muaj ib
Tsawg kawg rub lub zog ntawm 2670 N (600 lbf).
Sab nraum cov nroj tsuag cables yuav tsum txhawb lub vojvoog khoov ntawm 10 npaug ntawm cov kab hluav taws xob sab nraud thaum tsis raug
tensile load, thiab 20 npaug ntawm cable sab nraud txoj kab uas hla thaum raug tensile loading mus txog rau lub cable rated
txwv.
1.5 Tshem kab
Drop cables feem ntau me me txoj kab uas hla, tsis tshua muaj fiber ntau suav cables nrog txwv tsis pub muaj kev ncua deb.
Lawv yog siv los pub me me ntawm fibers los ntawm ntau dua fiber ntau suav cable rau hauv ib qho chaw. Tso
cable yuav tsum muaj qhov tsawg kawg nkaus rub lub zog ntawm 1335 N (300 lbf).