Atụmatụ ◊ Nkwado 4x25GBASE-SR ngwa ◊ Dabara na QSFP28 MSA SFF-8636 na SFP28 MSA SFF-8431 na SFF- 8472 ◊ Ọnụọgụ ọtụtụ ruo 25.78125Gbps kwa uzo ◊ 503 ike ọkọnọ ruo 3. Oriri ike dị ala ◊ UL certification cables (nhọrọ) ◊ Azụmahịa temp nke na-arụ ọrụ: 0°C ruo +70°C ◊ Ngwa kwekọrọ na RoHS ◊ 4x25Gbe-SR Oke kacha. Nkeji ndetu ọkọnọ voltaji Vcc3 -0.5 - +3.6 V Okpomọkụ Ts -10 - +70 Celsius C arụ ọrụ iru mmiri RH +5 - +85 % 1 Mara: 1 Ọ dịghị condensation akwadoro ọnọdụ ọrụ Tebụl 2- akwadoro ọrụ ọnọdụ Parameter Symbol Min. Oke kacha. Ihe ndetu Unit Na-arụ ọrụ Okpomọkụ TC 0 - +70 Celsius C Na-enye Ike Voltage Vcc 3.14 3.3 3.47 V Nkwụsị ike kwa QSFP28 Pd - - 2.5 W Nkwụsị ike kwa SFP28 Pd - - 1.0 W 1 Bit Rate kwa Lane BR 10.35.1 p. Tebụlụ njirimara eletrọnịkị ọnụ ọnụ ọnụ ọnụ 3- Njirimara eletriki maka akara akara paramita QSFP28 Min. Ụdị. Oke. Nkeji ndetu ModSelL Module Họrọ VOL 0 - 0.8 V Modul anaghị ahọpụta VOH 2.5 - VCC V LPMode Ọnọdụ ike dị ala VIL 0 - 0.8 V Nkịtị Ọrụ VIH 2.5 - VCC +0.3 V Tọgharia VIL 0 - 0.8 VCC Nrụgharị VIL 0 - 0.8 VCC V ModPrsL Ịrụ ọrụ nkịtị VOL 0 - 0.4 V IntL nkwụsị VOL 0 - 0.4 V Normal Operation VoH 2.4 - VCC V Eletriki na-ebufe àgwà dị iche iche ụbọchị ntinye Swing Vin, PP 200 - 1600 mV mmepụta ihe dị iche iche data ọkụ eletrik ZIN 90 000 Ω dị iche iche 100 Mmepụta Swing Vout 200 - 800 mVPP Bit Error Rate BER E-12 1 Ntinye dị iche iche Impedance ZD 90 100 110 Ω Mara: 1 PRBS2^31-1@25.78125Gbps Tebụl 4- Njirimara Eletriki maka SbolFP28. Ụdị. Oke. Nkeji ndetu Ihe nnyefe eletriki njirimara dị iche iche data ntinye Swing Vin,PP 200 - 1600 mVPP Ntinye di iche iche nke impedance ZIN 90 100 110 Ω Tx_Fault Normal Operation VOL 0 - 0.8 V Nrụnye Nrụ Ọrụ VOL 0 - 0.8 V Nrụ Ọrụ Nrụ Ọrụ VCC VOH 2.0_0 -0. V Laser Gbanyụọ VIH 2.0 - VCC+0.3 V Ihe ndị na-anata ọkụ eletrik njirimara dị iche iche ụbọchị mmepụta Vout 400 - 800 mV Bit Error Rate BER - - E-12 - Mpụta Iche Iche Ikwa ZD 90 100 110 Ω Rx_000 110 Ω Rx_08 VH Rx_08 Nkịtị LoH 2.0 - VCC V Nhazi ntụtụ onyonyo 1, Nlele pin maka QSFP28 Tebụl 5- Nkọwa ọrụ ntụtụ maka QSFP28 Pin Akara aha/Nkọwa nkọwa 1 GND Ground 1 2 Tx2n Transmitter Inverted Data Ntinye 3 Tx2p Nnyefe Na-abụghị Ntinye Data 4 GND GND Ntinye data ntụgharị Tx4n 6 Tx4p Transmitter Na-adịghị atụgharị Data Ntinye 7 GND Ground 1 8 ModSelL Module Họrọ 9 ResetL Module Tọgharia 10 Vcc Rx +3.3V Onye Nnweta Ike 11 SCL 2-waya serial interface elekere 12 SDA 2-waya serial interface Ground1 Ground data 13. Onye nnata Mbupute data na-abụghị nke 15 Rx3n 15 Rx3n Onye na-anata 16 GND Ground 1. Ihe nnata Rx2p Nwepu data anaghị atụgharị 23 GND Ground 1 24 Rx4n Onye nnata Mbupute Ntugharị data ntụtụ pin akara aha/nkọwa nkọwa 25 Rx4p nnata na-enweghị ntụgharị 26 GND Ground 1 27 ModPrsL ModPrsL Module M28t28t + 3.3V Onye na-ebunye ọkụ eletrik 30 Vcc1 + 3.3V Ọkụ ọkụ 31 LPMode Ọnọdụ ike dị ala 32 GND Ground 1 33 Tx3p Onye na-ebufe ihe na-abụghị ihe ntinye data 34 Tx3n Transmitter Inverted Data Ntinye 35 GND Ground 1 36 Tx3n Ntugharị Ntugharị 3 Tx1p Ntinye data ntụgharị ntụgharị 38 GND Ground 1 Mara: 1. Ala sekit dịpụrụ adịpụ na ala chassis. Ọgụgụ 2, Nlele Ntụtụ maka SFP28 Tebụl 6-Nkọwa Ọrụ Ngosi Pin Akara Aha/Nkọwa ndetu 1 VEET Module Transmitter Ground 1 2 TX_FAULT Module Transmitter Fault 2 3 TX_DISABLE Transmitter gbanyụọ; Na-agbanyụ mmepụta laser transmitter 3 4 SDA 2-Wire Serial Interface Data Line (MOD-DEF2) 5 SCL 2-Wire Serial Interface Clock (MOD-DEF1) 6 MOD_ABS Module Adịghị, jikọọ na VEET ma ọ bụ VEER na modul 2 7 RS0 Rate Họrọ 0, nhọrọ na-ejikwa SFP+ modul nnata 4 8 RX_LOS Nnata Ọnwụ nke ngosi ngosi (Na FC akpọrọ dị ka Rx_LOS na na Ethernet akpọpụtara dị ka Ọ BỤGHỊ Ịchọta Mgbaama) 2 9 RS1 Rate Họrọ 1, nhọrọ na-ejikwa SFP+ modul transmitter 4 Pin Symbol Aha/Nkọwa ndetu 10 VEER Module Nnata Ground 1 11 VEER Module Ground 1. 12 RD- Mpụta data atụgharịgharị nke nnata 13 RD+ Mpụpụ data anaghị agbanwe agbanwe 14 VEER Module Nnata Ground 1 15 VCCR Module Nnata 3.3 V Nnyefe 16 VCCT Module Transmitter 3.3 V Nnye 17 VEET Module + Na-ebufe Data Ground 1 18 Inverted InTD Ntinye ntinye data ntụgharị 20 VEET Module Transmitter Ground 1 Mara: Obere ala modul dịpụrụ adịpụ na ikpe modul. A ga-eji 4.7K-10Kohms bulite atụdo na voltaji n'etiti 3.14V na 3.46V na bọọdụ nnabata. A na-adọta ntụtụ ahụ ruo VCCT nwere ihe mgbochi 4.7K-10KΩ na modul. Lee SFF-8472 Mkpu12.2 Tebụl 10-2. Ihe osise 3 sekit akwadoro, sekit interface akwadoro maka QSFP28 eserese 4, sekit ọkọnọ ike bọọdụ ndị ọbịa akwadoro maka SFP28 eserese 5, okirikiri Interface akwadoro maka nkọwapụta SFP28 nleba anya onyonyo 6, Map ebe nchekwa maka QSFP28 eserese 7, Map ebe nchekwa maka SFP28 Mechanical Unit mm Figure 8 , Tebụl eserese Mechanical 7- Ogologo eriri eriri USB L1 (Unit: m) Ndinagide (Iji: cm) ≤1.0 +5/-0 1.0＜L≤4.5 +15/-0 4.5＜L≤14.5 +30/-0 ＞14.5 +2%/-0 Tebụl 8- Ngụkọta ogologo ogologo eriri Breakout Cable L1 (Unit: m) Breakout Point Atụtara site na SFPL2 (Unit: m) 1 0.7 2 1.4 3 2 ≥5 3 Ịdọ aka ná ntị Ijikwa kpachara anya: Ngwaọrụ a nwere ike imebi 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.