Specializing in R&D & Production in xPON & Optical Communication & CATV & Ethernet Networking
HANGZHOU DAYTAI NETWORK TECHNOLOGIES CO.,LTD.
HANGZHOU DAYTAI NETWORK
TECHNOLOGIES CO.,LTD.
DAYTAI-HANGZHOU-CHINA
Tel:
+86-571-8735 7725-Español
+86-571-8735 7726-English
+86-571-8735 7727-English
+86-571-8735 7728-English
Fax : +86-571-8735 7798
Mr.Amani
Skype:daytai-amani
Mobile:+86-137 7755 3827
WeChat:+86-180 7288 6827
E-mail:info@daytai.com
Web Site:WWW.DAYTAI.COM
LWDM 30km 25G SFP28 Optical Transceivers (DT-LWDM-SFP28-25G-30KM),To Be Used On a Series of Switches, Routers, Servers,
Network InterfaceCard Etc,Package:SFP28,Data Rate:25G,Reach:30km,TX:EML,RX:APD,TX Power:-1.6~6dBm,RX Sensitivity:-19dBm,
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LWDM 30km 25G SFP28 Optical Transceivers (DT-LWDM-SFP28-25G-30KM),To Be Used On a Series of Switches, Routers, Servers,
Network InterfaceCard Etc,Package:SFP28,Data Rate:25G,Reach:30km,TX:EML,RX:APD,TX Power:-1.6~6dBm,RX Sensitivity:-19dBm,
Compatible With the Brand:Cisco,Juniper,Brocade,Arista,Mellanox,HPE,Dell,Dell Force10,Huawei...Etc is Optional.
★Features
⊙Single 3.3V power supply
⊙Power dissipation < 1.8 W
⊙EML Laser and APD receiver
⊙Metal enclosure, for lower EMI
⊙ Up to 30km transmission on SMF
⊙ Specifications compliant with SFF 8472
⊙ Supports 24.3Gb/s to 26.5Gb/s bit rates
⊙Compliant with SFP+ MSA with Duplex LC connector
⊙ Case operating temperature range:Commercial: 0°C to +70°C
⊙ 2-wire interface with integrated Digital Diagnostic monitoring
Recommended Operating Conditions | |||||
Parameter | Symbol | Min | Typical | Max | Unit |
Operating Case Temperature (Commercial) | Tc | 0 | 70 | C | |
Power Supply Voltage | Vcc | 3. 13 | 3.3 | 3.47 | V |
Supply Current | Icc | 550 |
| ||
Data Rate | 24.3 | 25.78 | 26.5- | Gbps | |
Timing and Electrical | |||||
Parameter | Symbol | Min | Max | Unit | Conditions |
Tx-Disable assert time | T_off | 100 | us | Rising edge of Tx_Disable to fall of output signal below 10% of nominal | |
Tx-Disable negate time |
T_on |
2 |
ms | Falling edge of Tx_Disable to rise of output signal above 90% of nominal,this is only applies in normal operation,ont during start up or fault recorvery. | |
Time to initialize 2-wire interface | t_2w_start_up | 300 | ms | From power on or hot plug after the supply meeting | |
Time to initialize |
T_start_up |
300 |
ms | From power supplies meeting hot plug or Tx disable negated during power up ,or Tx_Fault recovery,unitl non-cooled power level I part is full operational | |
Time to initialize cooled module and time to power up a cooled module to power level II |
T_start_up_co oled |
90 |
S | From power supplies meeting hot plug or Tx disable negated during power up ,or Tx_Fault recovery,unitl non-cooled power level I part is full operational.Also,from stoop bit low-to-high SDA transition enabling Power Level II until cooled module is fully operational. | |
Time to Power up to level II | T_power_level 2 |
300 | ms | From stop bit low-to-hight SDA transition enabling power Level II until non-cooled module is fully opertational. | |
Time to Power Down from level II | T_power_dow n |
300 | ms | From stop bit low-to-high SDA transition disabling power level II until module is within power level I requirements. | |
Tx_Fault assert | Tx_Fault_on | 1 | ms | From occurrence of fault to assertion of Tx_Fault. | |
Tx_Fault assert for cooled module | Tx_Fault_on_c ooled | 50 | ms | From occurrence of fault to assertion of Tx_Fault. | |
Tx_Fault Reset | T_reset | 10 | us | Time Tx_Disable must be held high to reset Tx_Fault. | |
RSO,RSI rate select timing for FC | T_RSO_FC,T_ RSI FC | 500 | us | From assertion till stable output | |
RSO,RSI rate select timing non FC | T_RSO,T_RSI | 24 | ms | From assertion till stable output | |
Rx_LOS assert delay | T_los_on | 100 | us | From occurrence of loss of signal to assertion of Rx LOS | |
Rx_LOS assert delay | T_los_off | 100 | us | From occurrence of loss of signal to negation of Rx_LOS | |
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