Модуль оптический SFP28 (25G) WDM, до 3км, DDM, LC - TS-SFP28-25G-WDM-A-03 TELSAR

Оптический модуль TS-SFP28-25G-WDM-A-03 TELSAR форм-фактора SFP28 предназначен для передачи данных в одномодовом оптическом волокне (SMF) со скоростью до 25 Гбит/с на максимальную дальность до 3км. Рабочая длина волны 1270нм на передачу и 1330нм на прием сигнала, оптический бюджет 8 дБ, тип лазера: DFB. Модуль оснащен разъемом LC, поддерживает функцию Digital Diagnostics Monitoring (DDM) для контроля параметров производительности в реальном времени. Соответствует стандартам SFF8472, SFF-8431, SFF-8432. Модуль TS-SFP28-25G-WDM-A-03 TELSAR предназначен для работы в паре с TS-SFP28-25G-WDM-B-03 TELSAR, но может также работать и с другими оптическими модулями SFP28 с обратным WDM делением длин волн приема/передачи. Прошивка: CISCO. Если Вам требуется другая прошивка, сообщите об этом менеджеру перед заказом модулей. Сертификация лазерной безопасности Класса 1 Скорость передачи данных до 25,78 Гбит/с Дальность передачи до 3 км DFB-лазер, высокочувствительный PIN-фотодиод и трансимпедансный предусилитель (TIA) Симплексный (одинарный) оптический разъем LC Разъем с возможностью «горячей» замены Низкое энергопотребление менее 1,5 Вт Широкий диапазон рабочих температур: от 0 до +75 °C Питание от одного источника +3,3 В ±5% Соответствие стандарту SFF-8472 Полное соответствие экологическим директивам RoHS Table 1: Transceiver pin descriptions Pin Number Symbol Name Description 1,17,20 VeeT Transmitter Signal Ground These pins should be connected to signal ground on the host board. 2 TX Fault Transmitter Fault Out (OC) Logic “1” Output = Laser Fault (Laser off before t_fault) Logic “0” Output = Normal Operation This pin is open collector compatible, and should be pulled up to Host Vcc with a 10kΩ resistor. 3 TX Disable Transmitter Disable In (LVTTL) Logic “1” Input (or no connection) = Laser off Logic “0” Input = Laser onThis pin is internally pulled up to VccT with a 10 kΩ resistor. 4 SDA Module Definition Identifiers Serial ID with SFF 8472 Diagnostics Module Definition pins should be pulled up to Host Vcc with 10 kΩ resistors. 5 SCL 6 MOD-ABS 7 RS0 Receiver Rate Select (LVTTL) Transmitter Rate Select (LVTTL) These pins have an internal 30kΩ pull-down to ground. A signal on either of these pins will not affect module performance. 9 RS1 8 LOS Loss of Signal Out (OC) Sufficient optical signal for potential BER < 1x10-12= Logic “0” Insufficient optical signal for potential BER > 1x10-12 = Logic “1” This pin is open collector compatible, and should be pulled up to Host Vcc with a 10kΩ resistor. 10,11,14 VeeR Receiver Signal Ground These pins should be connected to signal ground on the host board. 12 RD- Receiver Negative DATA Out (CML) Light on = Logic “0” Output Receiver DATA output is internally AC coupled and series terminated with a 50Ω resistor. 13 RD+ Receiver Positive DATA Out (CML) Light on = Logic “1” Output Receiver DATA output is internally AC coupled and series terminated with a 50Ω resistor. 15 VccR Receiver Power Supply This pin should be connected to a filtered +3.3V power supply on the host board. See Figure 3.Recommended power supply filter 16 VccT Transmitter Power Supply This pin should be connected to a filtered +3.3V power supply on the host board. See Figure 3.Recommended power supply filter 18 TD+ Transmitter Positive DATA In (CML) Logic “1” Input = Light on Transmitter DATA inputs are internally AC coupled and terminated with a differential 100Ω resistor. 19 TD- Transmitter Negative DATA In (CML) Logic “0” Input = Light on Transmitter DATA inputs are internally AC coupled and terminated with a differential 100Ω resistor. Absolute Maximum Ratings Parameter Symbol Unit Min Max Storage Temperature Range Ts oC -40 85 Relative Humidity RH % 0 95 Maximum Supply Voltage Vcc3 V -0.5 4.0 Recommended Operating Conditions Parameter Symbol Unit Min Typ Max Operating Case Temperature Range Tc oC -40 85 Power Supply Voltage Vcc V 3.14 3.3 3.46 Bit Rate BR Gb/s 25.78 Bit Error Ratio BER 5*10-5 Max Supported Link Length L Km 20 Electric Ports Definition Parameter Symbol Unit Min Typ Max Note Supply Voltage VCC V 3.14 3.3 3.46 Power consumption P mW 1500 Transmitter Input Differential Impedance RIN Ω 100 Single-ended Data Input Swing VIN mVp-p 90 450 Transmit Disable Voltage VDIS V 2 VCCHOST Transmit Enable Voltage VEN V VEE VEE+0.8 Transmit Fault Assert Voltage VFA V 2 VCCHOST Transmit Fault De-Assert Voltage VFDA V VEE VEE+0.4 Receiver Single-ended Data Output Swing VOD mVp-p 200 450 LOS Fault VLOSFT V 2 VCCHOST LOS Normal VLOSNR V VEE VEE+0.4 Optical Characteristics (Tc=-40 to 85 oC and Vcc= 3.14 to 3.46V) Parameter Symbol Unit Min Typ Max Note Transmitter Nominal Wavelength (TS-SFP28-25G-WDM-A) λ nm 1260 1270 1280 Nominal Wavelength (TS-SFP28-25G-WDM-B) λ nm 1320 1330 1340 Average Output Power Pav dBm 0 6 Spectral Width (-20dB) σ nm 1 Extinction Ratio ER dB 3.5 Side Mode Suppression Ratio SMSR dB 30 Average Launch Power of OFF Transmitter POFF dBm -30 Relative Intensity Noise RIN dB/Hz -128 Receiver Center Wavelength (TS-SFP28-25G-WDM-B) λC nm 1320 1330 1340 Center Wavelength (TS-SFP28-25G-WDM-A) λC nm 1260 1270 1280 Receiver Sensitivity RSENSE dBm -13 1 Receiver Overload Pmax dBm 2.2 Optical Return Loss dB -26 LOS Assert LOSA dBm -30 LOS De-Assert LOS LOSD dBm -17 LOS Hysteresis dB 0.5 Note1: Measured at 25.78125Gb/s,ER>3.5dBm, PRBS 231-1 and BER better than or equal to 5E-5;