100-4 * 25G kabel optik aktip (QSFP28-4 * SFP28) JHA-QSFP28-4SFP28-100G-AOC
Fitur
◊ Rojongan 4x25GBASE-SR aplikasi
◊ Patuh kana QSFP28 MSA SFF-8636 sareng SFP28 MSA SFF-8431 sareng SFF- 8472
◊ Laju multi nepi ka 25.78125Gbps per jalur
◊ Transmisi jarak nepi ka 50m
◊ + 3.3V catu daya tunggal
◊ Konsumsi kakuatan low
◊ kabel sertifikasi UL (opsional)
◊ Operasi temp komérsial: 0 °C nepi ka +70 °C
◊ RoHS patuh
Aplikasi
◊ 4x25Gbe-SR
◊ Tumbu optik séjén
spésifikasi:
Peunteun Maximum Absolute
Méja1- Peunteun Maximum Absolute
| Parameter | Lambang | Min. | has | Max. | Unit | Catetan |
| Tegangan suplai | Vcc3 | -0,5 | - | +3.6 | V |
|
| Suhu Panyimpenan | Ts | -10 | - | +70 | °C |
|
| Kalembaban Operasi | RH | +5 | - | +85 | % | 1 |
Catetan: 1 Taya kondensasi
Disarankeun Kaayaan Operasi
Méja2- Disarankeun kaayaan operasi
| Parameter | Lambang | Min. | has | Max. | Unit | Catetan |
| Suhu Operasi | TC | 0 | - | +70 | °C | |
| Tegangan catu daya | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Dissipation kakuatan per QSFP28 | Pd | - | - | 2.5 | W | |
| Dissipation kakuatan per SFP28 | Pd | - | - | 1.0 | W | 1 |
| Bit Rate per Jalur | BR | 10.3125 | 25.78125 | - | Gbps |
Catetan: 1 Per Terminal
Karakteristik listrik
Méja3- Karakteristik listrik pikeun QSFP28
| Parameter | Lambang | Min. | Tip. | Max. | Hijian | Catetan | |
| ModSelL | Pilih Modul | VOL | 0 | - | 0.8 | V | |
| Modél Batal Pilih | VOH | 2.5 | - | VCC | V | ||
| LPMode | Mode Daya Lemah | 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 | ngaganggu | VOL | 0 | - | 0.4 | V | |
| Operasi Normal | VoH | 2.4 | - | VCC | V | ||
| Karakteristik pamancar listrik | |||||||
| Diferensial Tanggal Input ayun | Vin, PP | 200 | - | 1600 | mV | ||
| Kaluaran impedansi diferensial | ZIN | 90 | 100 | 110 | Ω | ||
| Karakteristik panarima listrik | |||||||
| Diferensial Data Kaluaran ayun | Vout | 200 | - | 800 | mVPP | ||
| Laju Kasalahan Bit | BER | E-12 | 1 | ||||
| Input impedansi diferensial | ZD | 90 | 100 | 110 | Ω | ||
Catetan: 1 PRBS2^31-1@25.78125Gbps
Méja4- Karakteristik listrik pikeun SFP28
| Parameter | Lambang | Min. | Tip. | Max. | Hijian | Catetan | ||||
| Karakteristik pamancar listrik | ||||||||||
| Diferensial Data Input ayun | Vin, PP | 200 | - | 1600 | mVPP | |||||
| Input impedansi diferensial | ZIN | 90 | 100 | 110 | Ω | |||||
| Tx_Fault | Operasi Normal | VOL | 0 | - | 0.8 | V | ||||
| Kasalahan pamancar | VOH | 2.0 | - | VCC | V | |||||
| Tx_Disable | Operasi Normal | VIL | 0 | - | 0.8 | V | ||||
| Laser Nonaktipkeun | VIH | 2.0 | - | VCC+0.3 | V | |||||
| Karakteristik panarima listrik | ||||||||||
| Kaluaran Tanggal diferensial | Vout | 400 | - | 800 | mV | |||||
| Laju Kasalahan Bit | BER | - | - | E-12 | - | |||||
| Kaluaran impedansi diferensial | ZD | 90 | 100 | 110 | Ω | |||||
| Rx_LOS | Operasi Normal | VOL | 0 | - | 0.8 | V | ||||
| Kaleungitan Sinyal | VoH | 2.0 | - | VCC | V | |||||
Susunan pin
Gambar 1, Pin View pikeun QSFP28
Méja5- Harti Fungsi Pin pikeun QSFP28
| Pin | Lambang | Ngaran / Katerangan | Catetan |
| 1 | GND | taneuh | 1 |
| 2 | Tx2n | Pamancar Inverted Data Input | |
| 3 | Tx2p | Pamancar Input Data Non-Inverted | |
| 4 | GND | taneuh | 1 |
| 5 | tx4n | Pamancar Inverted Data Input | |
| 6 | tx4p | Pamancar Input Data Non-Inverted | |
| 7 | GND | taneuh | 1 |
| 8 | ModSelL | Pilih Modul | |
| 9 | ResetL | Reset modul | |
| 10 | Vcc Rx | + 3.3V Power Supply panarima | |
| 11 | SCL | 2-kawat jam panganteur serial | |
| 12 | SDA | 2-kawat data panganteur serial | |
| 13 | GND | taneuh | 1 |
| 14 | rx3p | Receiver Non-Inverted Data Kaluaran | |
| 15 | Rx3n | Receiver Inverted Data Kaluaran | |
| 16 | GND | taneuh | 1 |
| 17 | Rx1p | Receiver Non-Inverted Data Kaluaran | |
| 18 | Rx1n | Receiver Inverted Data Kaluaran | |
| 19 | GND | taneuh | 1 |
| 20 | GND | taneuh | 1 |
| 21 | Rx2n | Receiver Inverted Data Kaluaran | |
| 22 | Rx2p | Receiver Non-Inverted Data Kaluaran | |
| 23 | GND | taneuh | 1 |
| 24 | Rx4n | Receiver Inverted Data Kaluaran |
| Pin | Lambang | Ngaran / Katerangan | Catetan |
| 25 | rx4p | Receiver Non-Inverted Data Kaluaran | |
| 26 | GND | taneuh | 1 |
| 27 | ModPrsL | Modul Hadir | |
| 28 | IntL | ngaganggu | |
| 29 | Vcc Tx | + 3.3V Power supply pamancar | |
| 30 | Vcc1 | + 3.3V kakuatan suplai | |
| 31 | LPMode | Mode Daya Lemah | |
| 32 | GND | taneuh | 1 |
| 33 | tx3p | Pamancar Input Data Non-Inverted | |
| 34 | tx3n | Pamancar Inverted Data Input | |
| 35 | GND | taneuh | 1 |
| 36 | Tx1p | Pamancar Input Data Non-Inverted | |
| 37 | Tx1n | Pamancar Inverted Data Input | |
| 38 | GND | taneuh | 1 |
Catetan: 1. Sirkuit taneuh ieu internal terasing tina taneuh chassis.
Gambar 2, Pin View pikeun SFP28
Méja6-Pin Fungsi Harti
| Pin | Lambang | Ngaran / Katerangan | Catetan |
| 1 | VEET | Modul pamancar Ground | 1 |
| 2 | TX_FAULT | Sesar pamancar modul | 2 |
| 3 | TX_DISABLE | Pamancar nonaktipkeun;Pareuman kaluaran laser pamancar | 3 |
| 4 | SDA | 2-Kawat Serial Interface Data Line (MOD-DEF2) | |
| 5 | SCL | 2-Kawat Serial Interface Jam (MOD-DEF1) | |
| 6 | MOD_ABS | Modul Absen, disambungkeun ka VEET atanapi VEER dina modul | 2 |
| 7 | RS0 | Laju Pilih 0, optionally ngadalikeun SFP + panarima modul | 4 |
| 8 | RX_LOS | Receiver Leungitna Indikasi Sinyal (Dina FC ditunjuk salaku Rx_LOS sareng di Ethernet ditunjuk salaku NOT Signal Detect) | 2 |
| 9 | RS1 | Laju Pilih 1, optionally ngadalikeun SFP + modul pamancar | 4 |
| Pin | Lambang | Ngaran / Katerangan | Catetan |
| 10 | VEER | Modul panarima Ground | 1 |
| 11 | VEER | Modul panarima Ground | 1 |
| 12 | RD- | Receiver Inverted Data Kaluaran | |
| 13 | RD+ | Receiver Non-Inverted Data Kaluaran | |
| 14 | VEER | Modul panarima Ground | 1 |
| 15 | VCCR | modul panarima 3.3 V suplai | |
| 16 | VCCT | pamancar modul 3.3 V suplai | |
| 17 | VEET | Modul pamancar Ground | 1 |
| 18 | TD+ | Pamancar Input Data Non-Inverted | |
| 19 | TD- | Pamancar Inverted Data Input | |
| 20 | VEET | Modul pamancar Ground | 1 |
Catetan:
- Pin taneuh modul diisolasi tina modul kasus.
- Pin bakal ditarik ka luhur nganggo 4.7K-10Kohms kana tegangan antara 3.14V sareng 3.46V dina host. papan.
- Pin ieu ditarik nepi ka VCCT kalawan résistor 4.7K-10KΩ dina modul.
- Tempo SFF-8472 Rev12.2 tabél 10-2.
Disarankeun Circuit
angka 3, Disarankeun Interface Circuit pikeun QSFP28
angka 4, Disarankeun Host Board Power Supply Circuit pikeun SFP28
Angka5, Disarankeun Interface Circuit pikeun SFP28
Spésifikasi ngawaskeun
angka 6, Peta Mémori pikeun QSFP28
angka 7, Mémori Peta pikeun SFP28
Mékanis
Hijian mm
Gambar 8, Diagram Mékanis
Méja7- Panjang kabel
| Panjang 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 |
Méja8- Breakout Cable Panjang Nominal
| Total Panjang L1(Unit: m) | Breakout Point Diukur tina SFPL2(Unit: m) |
| 1 | 0.7 |
| 2 | 1.4 |
| 3 | 2 |
| ≥5 | 3 |
Perhatosan
Penanganan pancegahan:Alat ieu rentan ka ruksak salaku hasil tina muatan éléktrostatik (ESD).
Lingkungan bébas statik disarankeun pisan.Turutan tungtunan nurutkeun prosedur ESD ditangtoskeun.
Kasalametan laser:Radiasi anu dipancarkeun ku alat laser tiasa ngabahayakeun pikeun panon manusa.Hindarkeun paparan panon ka radiasi langsung atanapi henteu langsung.
