100-4*25G Kabel optik aktif (QSFP28-4*SFP28) JHA-QSFP28-4SFP28-100G-AOC
Fitur
◊ Ndhukung aplikasi 4x25GBASE-SR
◊ Selaras karo QSFP28 MSA SFF-8636 lan SFP28 MSA SFF-8431 lan SFF- 8472
◊ Multi rate nganti 25.78125Gbps saben lane
◊ Jarak transmisi nganti 50m
◊ + 3.3 V sumber daya tunggal
◊ konsumsi daya Low
◊ Kabel sertifikasi UL (opsional)
◊ Suhu operasi Komersial: 0°C nganti +70°C
◊ RoHS tundhuk
Aplikasi
◊ 4x25Gbe-SR
◊ pranala optik liyane
Spesifikasi:
Ratings maksimum Absolute
Tabel1- Ratings maksimum Absolute
| Parameter | 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
Tabel2- Kahanan operasi sing disaranake
| Parameter | Simbol | Min. | Khas | Maks. | Unit | Cathetan |
| Suhu operasi | TC | 0 | - | +70 | °C | |
| Tegangan Pasokan Daya | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Dissipation Daya saben QSFP28 | Pd | - | - | 2.5 | W | |
| Dissipation daya saben SFP28 | Pd | - | - | 1.0 | W | 1 |
| Bit Rate saben Lane | BR | 10.3125 | 25.78125 | - | Gbps |
Cathetan: 1 Per terminal
Karakteristik Listrik
Tabel3- Karakteristik Listrik kanggo QSFP28
| Parameter | Simbol | Min. | Tipe. | Maks. | Unit | Cathetan | |
| ModSelL | Pilih Modul | VOL | 0 | - | 0.8 | V | |
| Modul Batal Pilih | VOH | 2.5 | - | VCC | V | ||
| LPMode | Mode Daya Sedheng | VIL | 0 | - | 0.8 | V | |
| Operasi Normal | VIH | 2.5 | - | VCC+0.3 | V | ||
| ResetL | Reset | VIL | 0 | - | 0.8 | V | |
| Operasi Normal | VIH | 2.5 | - | VCC+0.3 | V | ||
| ModPrsL | Operasi Normal | VOL | 0 | - | 0.4 | V | |
| IntL | ngganggu | VOL | 0 | - | 0.4 | V | |
| Operasi Normal | VoH | 2.4 | - | VCC | V | ||
| Karakteristik Transmitter Listrik | |||||||
| Diferensial Tanggal Input Swing | Wiwin, PP | 200 | - | 1600 | mV | ||
| Impedansi Diferensial Output | ZIN | 90 | 100 | 110 | Ω | ||
| Karakteristik panrima listrik | |||||||
| Diferensial Data Output Swing | Vout | 200 | - | 800 | mVPP | ||
| Bit Error Rate | BER | E-12 | 1 | ||||
| Impedansi Diferensial Input | ZD | 90 | 100 | 110 | Ω | ||
Cathetan: 1 PRBS2^31-1@25.78125Gbps
Tabel4- Karakteristik Listrik kanggo SFP28
| Parameter | Simbol | Min. | Tipe. | Maks. | Unit | Cathetan | ||||
| Karakteristik Transmitter Listrik | ||||||||||
| 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 | |||||
| Karakteristik panrima listrik | ||||||||||
| Output Tanggal Diferensial | Vout | 400 | - | 800 | mV | |||||
| Bit Error Rate | BER | - | - | E-12 | - | |||||
| Impedansi Diferensial Output | ZD | 90 | 100 | 110 | Ω | |||||
| Rx_LOS | Operasi Normal | VOL | 0 | - | 0.8 | V | ||||
| Kelangan Sinyal | VoH | 2.0 | - | VCC | V | |||||
susunan pin
Gambar 1, Pin View kanggo QSFP28
Tabel5- Definisi Fungsi Pin kanggo QSFP28
| Pin | Simbol | Jeneng / Katrangan | Cathetan |
| 1 | GND | lemah | 1 |
| 2 | tx2n | Input Data Inverted Transmitter | |
| 3 | tx2p | Input Data Non-Kuwalik Transmitter | |
| 4 | GND | lemah | 1 |
| 5 | tx4n | Input Data Inverted Transmitter | |
| 6 | tx4p | Input Data Non-Kuwalik Transmitter | |
| 7 | GND | lemah | 1 |
| 8 | ModSelL | Pilih Modul | |
| 9 | ResetL | Reset Modul | |
| 10 | Vcc Rx Kab | + 3.3V Power Supply panrima | |
| 11 | SCL | 2-kabel jam antarmuka serial | |
| 12 | SDA | 2-kabel data antarmuka serial | |
| 13 | GND | lemah | 1 |
| 14 | rx3p | Receiver Non-Kuwalik Output Data | |
| 15 | Rx3n | Receiver Inverted Data Output | |
| 16 | GND | lemah | 1 |
| 17 | rx1p | Receiver Non-Kuwalik Output Data | |
| 18 | Rx1n | Receiver Inverted Data Output | |
| 19 | GND | lemah | 1 |
| 20 | GND | lemah | 1 |
| 21 | Rx2n | Receiver Inverted Data Output | |
| 22 | rx2p | Receiver Non-Kuwalik Output Data | |
| 23 | GND | lemah | 1 |
| 24 | Rx4n | Receiver Inverted Data Output |
| Pin | Simbol | Jeneng / Katrangan | Cathetan |
| 25 | rx4p | Receiver Non-Kuwalik Output Data | |
| 26 | GND | lemah | 1 |
| 27 | ModPrsL | Modul Saiki | |
| 28 | IntL | ngganggu | |
| 29 | Vcc Tx | + 3.3V Power supply pemancar | |
| 30 | Vcc1 | + 3.3V Power supply | |
| 31 | LPMode | Mode Daya Sedheng | |
| 32 | GND | lemah | 1 |
| 33 | tx3p | Input Data Non-Kuwalik Transmitter | |
| 34 | tx3n | Input Data Inverted Transmitter | |
| 35 | GND | lemah | 1 |
| 36 | tx1p | Input Data Non-Kuwalik Transmitter | |
| 37 | tx1n | Input Data Inverted Transmitter | |
| 38 | GND | lemah | 1 |
Wigati: 1. Circuit lemah internal diisolasi saka lemah sasis.
Gambar 2, Pin View kanggo SFP28
Tabel6-Definisi Fungsi Pin
| 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 |
| Pin | Simbol | Jeneng / Katrangan | Cathetan |
| 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.
- Pin kasebut kudu ditarik munggah kanthi 4.7K-10Kohms menyang voltase antarane 3.14V lan 3.46V ing host papan.
- Pin ditarik nganti VCCT kanthi resistor 4.7K-10KΩ ing modul.
- Waca SFF-8472 Rev12.2 Tabel 10-2.
Dianjurake Circuit
Gambar 3, Recommended Interface Circuit kanggo QSFP28
Figure 4, Recommended Host Board Power Supply Circuit kanggo SFP28
Gambar5, Recommended Interface Circuit kanggo SFP28
Spesifikasi Monitoring
Gambar 6, Peta Memori kanggo QSFP28
Gambar 7, Peta Memori kanggo SFP28
Mekanik
Unit mm
Gambar 8, Diagram Mekanik
Tabel7- Dawane kabel
| Dawane kabelL1（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 |
Tabel8- Panjang Nominal Kabel Breakout
| Total Length L1(Unit: m) | Breakout Point Diukur saka SFPL2(Unit: m) |
| 1 | 0.7 |
| 2 | 1.4 |
| 3 | 2 |
| ≥5 | 3 |
Pènget
Pancegahan Penanganan:Piranti iki gampang rusak amarga discharge elektrostatik (ESD).
Lingkungan bebas statis dianjurake banget.Tindakake pedoman miturut prosedur ESD sing tepat.
Keamanan Laser:Radiasi sing dipancarake dening piranti laser bisa mbebayani kanggo mata manungsa.Ngindhari sinar mata langsung utawa ora langsung.
