25G SFP28 kabel optik aktif JHA-SFP28-25G-AOC
Fitur
◊ Antarmuka listrik sing cocog karo SFF-8431
◊ 850nm VCSEL laser lan PIN foto-detektor
◊ Dawane link maksimal 70m ing OM3 MMF lan 100m ing OM4 MMF
◊ Fungsi diagnostik digital kasedhiya liwat antarmuka I2C
◊ Suhu kasus operasi Komersial: 0 °C nganti +70 °C
◊ + 3.3 V sumber daya tunggal
◊ Konsumsi daya kurang saka 1W
◊ RoHS tundhuk
◊ Proteksi sandhi kanggo A0h lan A2h
Aplikasi
◊ 25GBASE-SR Ethernet
◊ Server, ngalih, panyimpenan lan adaptor kertu inang
Spesifikasi
Ratings maksimum Absolute
Tabel 1- Rating Maksimum Absolute
Paramèter | Simbol | Min. | Khas | Maks. | Unit | Cathetan |
Tegangan Pasokan | Vcc3 | -0.5 | - | +3.6 | V | |
Suhu panyimpenan | Ts | -10 | - | +70 | °C | |
Kelembapan Operasi | RH | +5 | - | +85 | % | 1 |
Cathetan: 1 Ora ana kondensasi
Kahanan Operasi sing Disaranake
Paramèter | Simbol | Min. | Khas | Maks. | Unit | Cathetan |
Suhu Kasus Operasi | TC | 0 | - | +70 | °C | |
Tegangan Pasokan Daya | Vcc | 3.14 | 3.3 | 3.47 | V | |
Power Supply Saiki | Icc | - | - | 300 | mA | |
Dissipasi Daya | Pd | - | - | 1.0 | W | |
Bit Rate | BR | 8.5 | 25.78125 | - | Gbps | |
Radius Bend Serat | Rb | 3 | - | - | cm |
Tabel2- Kahanan operasi sing disaranake
Karakteristik Listrik
Tabel3- Karakteristik Listrik
Paramèter | Simbol | Min. | Tipe. | Maks. | Unit | Cathetan | ||||
Pemancar | ||||||||||
Swing Input Data Diferensial | Wiwin, PP | 200 | - | 1600 | mVPP | |||||
Impedansi Diferensial Input | ZIN | 90 | 100 | 110 | Ω | |||||
Tx_Fault | Operasi Normal | VOL | 0 | - | 0.8 | V | ||||
Kesalahan Pemancar | VOH | 2.0 | - | VCC | V | |||||
Tx_Disable | Operasi Normal | VIL | 0 | - | 0.8 | V | ||||
Laser Pateni | VIH | 2.0 | - | VCC+0.3 | V | |||||
panrima | ||||||||||
Output Tanggal Diferensial | Vout | 400 | - | 800 | mV | |||||
Impedansi Diferensial Output | ZD | 90 | 100 | 110 | Ω | |||||
Rx_LOS | Operasi Normal | VOL | 0 | - | 0.8 | V | ||||
Kelangan Sinyal | VoH | 2.0 | - | VCC | V |
Karakteristik Optik
Tabel4-Karakteristik Optik
Paramèter | Simbol | Unit | Min | Tipe | Maks | Cathetan |
Karakteristik pemancar optik | ||||||
Bit Rate | BR | Gbps | 8.5 | 25.78125 | - | |
Rentang Panjang Gelombang Tengah | λc | nm | 820 | 850 | 880 | |
Daya Bukak rata-rataTx_off | Poff | dBm | - | - | -45 | |
Bukak Daya Optik | P0 | dBm | -6.0 | 2.4 | 1 | |
Rasio kepunahan | ER | dB | 2 | - | - | |
Lebar Spektral (RMS) | RMS | nm | - | - | 0.65 | |
Karakteristik panrima optik | ||||||
Bit Rate | BR | Gbps | 8.5 | 25.78125 | ||
Bit Error Rate | BER | - | - | E-12 | ||
Ambang karusakan | DT | dBm | 3.4 | - | - |
Overload Input Optikdaya | PIN | dBm | 2.4 | - | - | 2 |
Rentang Panjang Gelombang Tengah | λc | nm | 820 | - | 880 | |
Sensitivitas panrima ingDaya rata-rata | Sen | dBm | - | - | -5.2 | 3 |
Los Assert | LosA | dBm | -30 | - | - | |
Los De-Assert | LosD | dBm | - | - | -13 | |
Los Hysteresis | LosH | dB | 0.5 |
Cathetan:
- Digabungake dadi 50/125 MMF.
- Diukur nganggo PRBS 231-1 pola tes @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.
Dianjurake Host Board Power Supply Circuit
Figure 1, Recommended Host Board Power Supply Circuit
Dianjurake Interface Circuit
Gambar 2, Recommended Interface Circuit
susunan pin
Gambar 3, Pin View
Tabel5- Fungsi Pin
Definisi
Pin | Simbol | Jeneng / Katrangan | Cathetan |
1 | VEET | Modul Transmitter Ground | 1 |
2 | TX_FAULT | Modul Transmitter Fault | 2 |
3 | TX_DISABLE | Transmitter Pateni;Pateni output laser pemancar | 3 |
4 | SDA | 2-Wire Serial Interface Data Line (MOD-DEF2) | |
5 | SCL | 2-Wire Serial Interface Clock (MOD-DEF1) | |
6 | MOD_ABS | Modul Absen, disambungake menyang VEET utawa VEER ing modul | 2 |
7 | RS0 | Rate Pilih 0, opsional kontrol panrima modul SFP + | 4 |
8 | RX_LOS | Indikasi Sinyal Kehilangan Penerima (Ing FC sing ditunjuk minangka Rx_LOS lan ing Ethernet sing ditunjuk minangka NOT Signal Detect) | 2 |
9 | RS1 | Rate Pilih 1, opsional kontrol SFP + modul pemancar | 4 |
10 | VEER | Modul Receiver Ground | 1 |
11 | VEER | Modul Receiver Ground | 1 |
12 | RD- | Receiver Inverted Data Output | |
13 | RD+ | Receiver Non-Kuwalik Output Data | |
14 | VEER | Modul Receiver Ground | 1 |
15 | VCCR | Modul panrima 3.3 V Supply | |
16 | VCCT | Modul Transmitter 3.3 V Pasokan | |
17 | VEET | Modul Transmitter Ground | 1 |
18 | TD+ | Input Data Non-Kuwalik Transmitter | |
19 | TD- | Input Data Inverted Transmitter | |
20 | VEET | Modul Transmitter Ground | 1 |
Cathetan:
- Pin lemah modul diisolasi saka modul kasus.
- Ing pin bakal be ditarik up karo 4.7K-10Kohms to a voltase antarane 3.14v lan 3.46V on tuan rumah papan.
- Pin ditarik nganti VCCT kanthi resistor 4.7K-10KΩ ing modul.
- Waca SFF-8472 Rev12.2 Tabel 10-2.
Spesifikasi Monitoring
Gambar 4, Peta Memori
Diagram Desain Mekanik
Tabel5- Kabel
dawa
Dawane kabelL(Unit: m) | Sabar(Unit: cm) |
≤1.0 | +5/-0 |
1.0<L≤4.5 | +15/-0 |
4.5<L≤14.5 | +30/-0 |
> 14.5 | +2%/-0 |
Pènget
Pancegahan Penanganan: Piranti iki gampang rusak amarga discharge elektrostatik (ESD).
Lingkungan bebas statis dianjurake banget.Tindakake pedoman miturut prosedur ESD sing tepat.
Safety Laser: Radiasi sing dipancarake dening piranti laser bisa mbebayani kanggo mata manungsa.Ngindhari sinar mata langsung utawa ora langsung.