25G SFP28 Igwe anya igwe na-arụ ọrụ JHA-SFP28-25G-AOC
Atụmatụ
◊ Igwe eletrọnịkị kwekọrọ na SFF-8431
◊ 850nm VCSEL laser na onye nyocha foto PIN
Ogologo njikọ kacha nke 70m na OM3 MMF na 100m na OM4 MMF
◊ Ọrụ nyocha dijitalụ dị site na interface I2C
◊ Ọnọdụ okpomọkụ na-arụ ọrụ azụmahịa: 0°C ruo +70°C
◊ + 3.3V otu ike ọkọnọ
◊ Oriri ike na-erughị 1W
◊ kwekọrọ na RoHS
◊ Nchekwa paswọọdụ maka A0h na A2h
Ngwa
◊ 25GBASE-SR Ethernet
◊ Sava, switches, nchekwa na nnabata kaadị nkwụnye
Nkọwapụta
Oke kacha oke
Tebụl1- Oke kacha oke
| Oke | Akara | Min. | Ụdị | Oke. | Nkeji | Ihe ndetu |
| Voltaji na-eweta | Vcc3 | -0.5 | - | + 3.6 | V | |
| Okpomọkụ nchekwa | Ts | -10 | - | +70 | Celsius C | |
| Iru mmiri na-arụ ọrụ | RH | +5 | - | +85 | % | 1 |
Mara: 1 Enweghị condensation
Ọnọdụ ọrụ akwadoro
| Oke | Akara | Min. | Ụdị | Oke. | Nkeji | Ihe ndetu |
| Okpomọkụ Okwu na-arụ ọrụ | TC | 0 | - | +70 | Celsius C | |
| Voltaji na-enye ike | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Nkwanye ike ugbu a | Icc | - | - | 300 | mA | |
| Mgbasa ike | Pd | - | - | 1.0 | W | |
| Ọnụego Bit | BR | 8.5 | 25.78125 | - | Gbps | |
| Fiber Bend Radius | Rb | 3 | - | - | cm |
Tebụl2- Ọnọdụ ọrụ akwadoro
Àgwà ọkụ eletrik
Tebụl3- Njirimara eletriki
| Oke | Akara | Min. | Ụdị. | Oke. | Nkeji | Ihe ndetu | ||||
| Nnyefe | ||||||||||
| Ntinye data dị iche iche Swing | Vin, PP | 200 | - | 1600 | mVPP | |||||
| Ntinye Mmetụta Dị Iche | ZIN | 90 | 100 | 110 | Ω | |||||
| Tx_Mmehie | Arụ ọrụ nkịtị | VOL | 0 | - | 0.8 | V | ||||
| Mmejọ nnyefe | VOH | 2.0 | - | VCC | V | |||||
| Tx_gbanyụọ | Arụ ọrụ nkịtị | VIL | 0 | - | 0.8 | V | ||||
| Gbanyụọ laser | VIH | 2.0 | - | VCC+0.3 | V | |||||
| Onye nnata | ||||||||||
| Mpụta ụbọchị dị iche | Mkpu | 400 | - | 800 | mV | |||||
| Mmepụta Mmetụta Dị Iche | ZD | 90 | 100 | 110 | Ω | |||||
| Rx_LOS | Arụ ọrụ nkịtị | VOL | 0 | - | 0.8 | V | ||||
| Kwụsị nrịbama | VoH | 2.0 | - | VCC | V | |||||
Njirimara ngwa anya
Tebụl4- Njirimara ngwa anya
| Oke | Akara | Nkeji | Min | Ụdị | Oke | Ihe ndetu |
| Àgwà transmitter anya | ||||||
| Ọnụego Bit | BR | Gbps | 8.5 | 25.78125 | - | |
| Ogologo Ogologo Ogologo etiti | λc | nm | 820 | 850 | 880 | |
| Nkezi ike mmaliteTx_off | Poff | dBm | - | - | -45 | |
| Mwepụta Ike ngwa anya | P0 | dBm | -6.0 | 2.4 | 1 | |
| Oke mkpochapụ | ER | dB | 2 | - | - | |
| Obosara Spectral(RMS) | RMS | nm | - | - | 0.65 | |
| Àgwà ndị nnata ngwa anya | ||||||
| Ọnụego Bit | BR | Gbps | 8.5 | 25.78125 | ||
| Ọnụego mperi | BER | - | - | E-12 | ||
| Oke mmebi | DT | dBm | 3.4 | - | - | |
| Bufee ngwa anya ntinyeIke | PIN | dBm | 2.4 | - | - | 2 |
| Ogologo Ogologo Ogologo etiti | λc | nm | 820 | - | 880 | |
| Mmetụta nke nnata n'imeNkezi Ike | Sen | dBm | - | - | -5.2 | 3 |
| Los Assert | LosA | dBm | -30 | - | - | |
| Los De-Assert | LosD | dBm | - | - | -13 | |
| Los hysteresis | LosH | dB | 0.5 |
Mara:
- Ejikọtara ya na 50/125 MMF.
- Eji PRBS 2 tụọ ya31-1 ụkpụrụ ule @25.78125Gbps.BER=E-12 3. BER=1×10-12; PRBS231-1@25.78125Gbps.
Na-atụ aro sekit ọkọnọ ike
Onyonyo 1, Na-atụ aro Host Board Power Supply Circuit
Sekit interface akwadoro
Ọgụgụ 2, Sekit Interface akwadoro
Nhazi pin
Ọgụgụ 3, Nlele Ntụtụ
Tebụl5-Arụ ọrụ pin
Nkọwa
| Ntụtụ | Akara | Aha/Nkọwa | Ihe ndetu |
| 1 | VEET | Ground Transmitter Module | 1 |
| 2 | TX_FAULT | Mmehie Module Transmitter | 2 |
| 3 | TX_DISABLE | Gbanyụọ nnyefe;Na-agbanyụ mmepụta laser transmitter | 3 |
| 4 | SDA | Ahịrị data ọnụọgụ 2-Wire (MOD-DEF2) | |
| 5 | SCL | 2-Waya Oghere Usoro Interface elekere (MOD-DEF1) | |
| 6 | MOD_ABS | Modul adịghị, ejikọrọ na VEET ma ọ bụ VEER na modul | 2 |
| 7 | RS0 | Ọnụọgụgụ Họrọ 0, na-ejikwa nhọrọ nnabata SFP+ modul | 4 |
| 8 | RX_LOS | Ngosipụta nrịbama nke nnata (Na FC akpọrọ dị ka Rx_LOS yana na Ethernet akpọpụtara dị ka Ọ BỤGHỊ Ịchọta Mgbama) | 2 |
| 9 | RS1 | Ọnụego Họrọ 1, nhọrọ na-ejikwa SFP+ modul nnyefe | 4 |
| 10 | VEER | Ala Modul nnata | 1 |
| 11 | VEER | Ala Modul nnata | 1 |
| 12 | RD- | Mmepụta data atụgharịrị nke nnata | |
| 13 | RD+ | Mmepụta data anaghị atụgharị nnata | |
| 14 | VEER | Ala Modul nnata | 1 |
| 15 | VCCR | Module nnata 3.3 V ọkọnọ | |
| 16 | VCCT | Nnyefe Modul 3.3 V | |
| 17 | VEET | Ground Transmitter Module | 1 |
| 18 | TD+ | Ntinye data anaghị atụgharị ebugharị | |
| 19 | TD- | Ntinye data ntụgharị ntụgharị | |
| 20 | VEET | Ground Transmitter Module | 1 |
Mara:
- Ogwe ala modul dịpụrụ adịpụ na modul ikpe.
- Nke atụdo ga- be dọtara up ya na 4.7K-10Kohms to a voltaji n'etiti 3.14V na 3.46V on onye ọbịa osisi.
- A na-adọta ntụtụ ahụ ruo VCCT nwere ihe mgbochi 4.7K-10KΩ dị na modul.
- Lee SFF-8472 Mkpu12.2 Tebụl 10-2.
Nkọwapụta nlekota oru
Ọgụgụ 4, Map ebe nchekwa
Eserese Mechanical Design
Tebụl5- USB
Ogologo
| Ogologo eriri USBL(Nkeji: m) | Nkwenye(Nkeji: cm) |
| ≤1.0 | +5/-0 |
| 1.0.L≤4.5 | + 15/-0 |
| 4.5.L≤14.5 | + 30/-0 |
| 14.5 | + 2%/-0 |
Ịdọ aka ná ntị
Ijikwa kpachara anya: Ngwaọrụ a nwere ike imebi ya n'ihi mwepu electrostatic (ESD).
A na-atụ aro gburugburu ebe kwụ ọtọ n'efu.Soro ntuziaka dabere na usoro ESD kwesịrị ekwesị.
Nchekwa Laser: Radiation nke ngwaọrụ laser na-ewepụta nwere ike ịdị ize ndụ nye anya mmadụ.Zere ikpughe anya na radieshon ozugbo ma ọ bụ na-apụtaghị ìhè.
