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SFP28 25G LWDM 40km LC DX光模塊
25Gbps SFP28 LWDM光模塊
型   號:JFTSM-SFP28-25-LWD-40-LCD
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產品詳情
相關資料

  產品型號   JFTSM-SFP28-25-LWD-40-LCD   工廠品牌   JFOPT嘉富
  封裝形式   SFP28   光口類型   雙聯LC
  最高總速率   25.78G   每通道速率   -
  最大傳輸距離   40km
  工作波長   1286.66nm
  1291.10nm
  1295.56nm
  1300.05nm
  1304.58nm
  1309.14nm
  工作電壓   3.3V
  光纖型號   SMF   纖芯尺寸   9/125
  發射器類型   EML LWDM   接收器類型   APD
  發射功率   -2~6dBm   接收靈敏度   <-19dBm
  數字診斷(DOM)   YES   接收過載   -
  功耗   1.5W   支持協議   SFF-8431, SFF-8472和IEEE 802.3CC
  工作溫度(商業級)   0℃~+70℃   儲存溫度(商業級)   -40℃~+85℃


 

生產線介紹
PRODUCTION LINE INTRODUCTION
 

JFOPT嘉富持續投入光模塊生產領域,產品覆蓋1*9、SFP、10G、25G、100G、200G、400G、800G GPON/EPON/XG/XGSPON OLT等全系列光模塊。同時為下游同行提供TOSA、ROSA、BOSA等光器件半成品解決方案。JFOPT嘉富生產線具備日產量一萬只光模塊、兩萬只光器件的能力。此外,JFOPT嘉富光模塊擁有業界領先的耐高溫、抗干擾特性,廣泛應用于計算中心、運營商、交通安防、電力設施等行業領域。





產品介紹
PRODUCT PRESENTATION
 

JFOPT SFP28 25G LWDM 40公里 LC DX光模塊是一款緊湊型高性能光模塊,專為25GBASE-ER以太網應用設計。該模塊可將25Gbps串行CML電信號轉換為串行光數據,并確保符合25GBASE-ER標準。采用EML發射器與APD接收器,為長達40公里的單模光纖鏈路提供卓越性能,嚴格遵循SFF-8431、SFF-8432及IEEE 802.3CC標準,保障穩定可靠的運行。通過SFF-8472規范定義的雙線串行接口可實現數字診斷監控功能。全兼容的SFP28封裝形態支持熱插拔特性,可簡化光端口升級流程,最大程度降低電磁干擾,從而成為高速網絡環境的理想解決方案。





光模塊系列產品
TRANSCEIVER SERIES PRODUCTS
 





生產及檢測設備
PRODUCTION & TESTING EQUIPMENT
 





產品特點
FEATURES
 
25.78Gb/s bit rates Hot-pluggable
EML transmitter, APD photo-detector Up to 40km on SMF
Operating case temperature range: 0~ 70°C 2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface for optical transceivers
Duplex LC connector Power supply :+3.3V
Cost effective SFP28 solution, enables higher port densities and greater bandwidth Low power consumption<1.5W




應用范圍
APPLICATION
 
High-speed storage area networks Computer cluster cross-connect
Custom high-speed data pipes Inter rack connection
WDM system  




符合標準
STANDARD COMPLIANCE
 

 


絕對最大額定值
ABSOLUTE MAXIMUM RATINGS
 
Parameter Symbol Min. Typ. Max. Unit Ref.
Storage temperature TS -40  - +85 -
Case operating temperature TA - 70  -
Maximum supply voltage VCC - 3.6  V -
Relative humidity RH - 95  % -





電氣特性
ELECTRICAL CHARACTERISTICS
 
Parameter Symbol Min. Typ. Max. Unit Ref.
Supply voltage VCC 3.135  - 3.465 V -
Supply current ICC - - 606 mA -
Power consumption P - - 2 W -
Data rate R - 25.78 - Gb/s -

Transmitter section:
 
Input differential impedance Rin - 100 - Ω
Tx input single ended DC voltage tolerance (ref VeeT) V -0.3 - 4 V -
Differential input voltage swing Vin,pp 180 - 700 mV
Transmit disable voltage VD 2 - VCC V -
Transmit enable voltage VEN Vee - Vee+0.8 V -

Receiver section:
 
Single ended output voltage tolerance V -0.3 - 4 V -
Rx output diff voltage VO 150 - 900 mV -
Rx output rise and fall time Tr/Tf 9.5 - - ps
LOS fault VLOS fault 2 - VCCHOST V
LOS normal VLOS norm Vee - Vee+0.8 V
Notes:
1.Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
2.Per SFF-8431 Rev 3.0
3.20%~80%
4.LOS is an open collector output. Should be pulled up with 4.7k – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.





光學特性
OPTICAL CHARACTERISTICS
 
Parameter Symbol Min. Typ. Max. Unit Ref.

Transmitter section:
 
Center Wavelength λt 1285.51 1286.66 1287.81 nm -
1289.95 1291.1 1292.25
1294.41 1295.56 1296.71
1298.9 1300.05 1301.2
1303.43 1304.58 1305.73
1307.99 1309.14 1310.29
spectral width △λ - - 1 nm -
Average optical power Pavg -2.0  - +6 dBm 1
Laser off power Poff - - -30 dBm -
Extinction ratio ER 4 - - dB -
Receiver section: - - - - - -
Center wavelength λr 1295 - 1325 nm -
Receiver sensitivity(OMA) Sen - - -19 dBm 2
Stressed sensitivity(OMA) Sen2 - - -16.5 dBm 2
Los sssert LOSA -30 - - dBm -
Los dessert LOSD - - -20 dBm -
Los hysteresis LOSH 0.5 - 5 dB -
Overload Sat -6 - - dBm 3
Receiver reflectance Rrx - - -12 dB -
Notes:
1.Average power figures are informative only, per IEEE802.3CC.
2.Conditions of stressed receiver tests per IEEE802.3CC. At 5E-5 BER.
3.Receiver overload specified in OMA and under the worst comprehensive stressed condition.





時序特性
TIMING CHARACTERISTICS
 
Parameter Symbol Min. Typ. Max. Unit
TX_disable assert time t_off - - 100 us
TX_disable negate time t_on - - 2 ms
Time to initialize include reset of TX_FAULT t_int - - 300 ms
TX_FAULT from fault to assertion t_fault - - 1 ms
TX_disable time to start reset t_reset 10 - - us
Receiver loss of signal assert time TA,RX_LOS - - 100 us
Receiver loss of signal de assert time Td,RX_LOS - - 100 us
Rate-select chage time t_ratesel - - 10 us
Serial ID clock time t_serial-clock - - 100 kHz





數字診斷監控信息
DIGITAL DIAGNOSTIC MONITORING SPECIFICATIONS
 
Data Address Parameter Accuracy Unit
96-97 Transceiver internal temperature ±3.0
98-99 VCC3 internal supply voltage ±3.0 %
100-101 Laser bias current ±10 %
102-103 Tx output power ±2.0 dBm
104-105 Rx input power ±2.0 dBm





引腳分配
PIN ASSIGNMENT
 
Pin Name Function Notes
VeeT Module transmitter ground 1
TX fault Module transmitter fault 2
TX disable Transmitter disable; Turns off transmitter laser output 3
SDL 2 wire serial interface data input/output (SDA) 4
SCL 2 wire serial interface clock input (SCL) 4
MOD_ABS Module absent, connect to VeeR or VeeT in the module 2
RS0 Rate select0, optionally control SFP+ receiver. When high, input data rate >4.5Gb/ s; when low, input data rate <=4.5Gb/s -
LOS Receiver Loss of signal indication -
RS1 Rate select0, optionally control SFP+ transmitter. When high, input data rate >4.5Gb/s; when low, input data rate <=4.5Gb/s -
10  VeeR Module receiver ground 1
11  VeeR Module receiver ground 1
12  RD- Receiver inverted data out put -
13  RD+ Receiver non-inverted data out put -
14  VeeR Module receiver ground 1
15  VccR Module receiver 3.3V supply -
16  VccT Module transmitter 3.3V supply -
17  VeeT Module transmitter ground 1
18  TD+ Transmitter non-inverted data out put -
19  TD- Transmitter inverted data out put -
20  VeeT Module transmitter ground 1
Notes:
1.The module ground pins shall be isolated from the module case.
2.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board.
3.This pin shall be pulled up with 4.7K-10Kohms to VccT in the module.
4.This pin is an open collector/drain output pin and shall be pulled up with 4.7K-10Kohms to Host_Vcc on the host board.






產品包裝
PRODUCT PACKAGING
 



產品認證
PRODUCT CERTIFICATION
 





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