Kord Gentian: Panduan Terbaik untuk Jenis, Aplikasi dan Pemilihan

2025-10-23

Kord Gentian: Panduan Terbaik untuk Jenis, Aplikasi dan Pemilihan第1张

1. Apakah kord tampalan gentian optik? 

Kabel tampalan gentian optik, juga dikenali sebagai kabel gentian optik (tali gentian), adalah kabel optik panjang tetap dengan penyambung gentian optik (seperti SC, LC, ST, FC, dll) yang dipasang pada kedua-dua hujungnya. Ia digunakan untuk menyediakan sambungan fleksibel atau menampal antara peranti dan komponen dalam sistem komunikasi gentian optik.

Komponen utama:

  • 1: Kabel Gentian Optik: Bahagian teras yang menghantar isyarat optik.
  • 2: Penyambung Gentian Optik: Dibetulkan pada kedua-dua hujung kabel optik dan digunakan untuk menyambungkan peranti.


2. Jenis Teras Kabel Tampalan Gentian: Mod Tunggal lwn. Berbilang mod 


2.1 Kord Gentian Mod Tunggal (SMF) 

  • 1: Ciri-ciri: Diameter teras gentian adalah kecil (biasanya 9μm / 125μm), membenarkan hanya satu mod cahaya dihantar.
  • 2: Warna kot: Biasanya kuning.
  • 3: Senario aplikasi: Sesuai untuk penghantaran data jarak jauh, berkelajuan tinggi, seperti telekomunikasi, pusat data besar dan rangkaian CATV.


2.2 Kord Gentian Berbilang Mod (MMF) 

  • 1: Ciri-ciri: Diameter teras gentian adalah besar (seperti 50μm / 125μm atau 62.5μm / 125μm), membenarkan penghantaran pelbagai mod cahaya.
  • 2: Warna kot: OM1 / OM2 biasanya oren atau kelabu; OM3 ialah aqua; OM4 ialah erika violet; OM5 ialah hijau limau.


(Nota: Warna jaket kord tampalan gentian optik adalah kunci untuk membezakan modnya. Sebagai contoh, mod tunggal biasanya kuning, manakala multimod berbeza mengikut grednya (seperti OM3 ialah biru aqua). Untuk pengekodan warna terperinci, sila rujuk piawaian pengekodan warna gentian optik berwibawa industri (TIA-598-C).)

  • Senario aplikasi: Sesuai untuk penghantaran jarak dekat, lebar jalur tinggi, seperti rangkaian kawasan setempat (LAN) dan sambungan dalaman di pusat data kecil.


3. Penjelasan Terperinci Jenis Penyambung Gentian Optik Biasa 

(Gunakan jadual atau senarai untuk membentangkan dan meningkatkan kecekapan pemerolehan maklumat dengan jelas)

Connector TypeAppearance  FeaturesCommon  Applications
LCGancu tolak-tarik kecil, ketumpatan tinggiPusat data, bingkai pengedaran berketumpatan tinggi
SCSegi empat sama, palam tolak-tarikTelekomunikasi, FTTH (Serat ke Rumah), Pusat Data
STSambungan bayonet bulat (gaya BNC)Peralatan rangkaian terdahulu, persekitaran perindustrian
MTP / MPOBerbilang teras (8/12/24 teras), pra-penamat berketumpatan tinggiRangkaian berkelajuan tinggi 40G / 100G / 400G


Semua produk kord tampalan gentian optik berkualiti tinggi harus mematuhi piawaian antarabangsa untuk penyambung dan prestasi, seperti spesifikasi IEC 61754 (standard keluarga penyambung) dan TIA / EIA 604 (FOCIS), untuk memastikan kebolehoperasian dan kebolehpercayaan.

Kord Gentian: Panduan Terbaik untuk Jenis, Aplikasi dan Pemilihan第2张

4. Klasifikasi mengikut mod penghantaran 

  • 1: Simplex: Terdapat hanya satu gentian optik dan ia hanya boleh menghantar dalam satu arah.
  • 2: Dupleks: Terdapat dua gentian optik untuk penghantaran dua arah (satu untuk menghantar dan satu untuk menerima).


5. Bagaimana untuk memilih kord tampalan gentian optik yang betul?


  1. 1: Tentukan mod gentian: Pilih mod tunggal (SM) atau berbilang mod (MM) (seperti OM3 / OM4) berdasarkan keperluan jarak dan kelajuan penghantaran.
  2. 2: Padankan jenis penyambung: Pastikan jenis penyambung (seperti LC-SC, LC-LC) pada kedua-dua hujung kord tampalan betul-betul sepadan dengan antara muka peranti anda.
  3. 3: Tentukan jenis pengilat penyambung (Jenis Poland):
    • J: PC / UPC: sentuhan fizikal / sentuhan ultra-fizikal (biasa digunakan dalam berbilang mod dan beberapa mod tunggal).
    • B: APC: Sentuhan fizikal bersudut (biasanya digunakan dalam mod tunggal, terutamanya dalam FTTH, untuk meminimumkan kerugian pulangan).
  4. 4: Pilih bahan jaket: LSZH (Halogen Sifar Asap Rendah) sesuai untuk kawasan awam dalaman; OFNR / OFNP sesuai untuk risers / ventilasi.
  5. 5: Pertimbangkan gentian tidak sensitif bengkok (BIF): Dalam senario di mana ruang kabel terhad atau terdapat selekoh besar, memilih kord tampalan BIF boleh mengurangkan kehilangan.


6. Soalan Lazim


S1: Bolehkah kabel tampalan gentian optik mod tunggal dan berbilang mod dicampur?

J: Tidak. Isyarat optik daripada peranti mod tunggal tidak boleh dihantar dengan berkesan dalam gentian berbilang mod, dan sebaliknya, mengakibatkan kehilangan isyarat atau kegagalan sambungan yang teruk.


S2: Bagaimanakah saya mengetahui sama ada kabel tampalan gentian optik saya adalah mod tunggal atau berbilang mod?

J: Cara paling mudah ialah melihat warna jaket: kuning biasanya mod tunggal; oren / aqua / hijau limau biasanya berbilang mod.


S3: Bolehkah penyambung UPC dan APC disambungkan antara satu sama lain?

A: Tidak disyorkan. Oleh kerana sudut penggilap yang berbeza (UPC ialah 0 darjah, APC ialah 8 darjah), sambungan terus akan mengakibatkan kehilangan sisipan yang sangat tinggi dan kerosakan kekal.


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