Gigabit Ethernet SFP Multimode Transceiver with Digital Diagnostics

Transcription

1 Gigabit Ethernet SFP Multimode Transceiver with Digital Diagnostics TPAGSXLAES Product Description The TPAGSXLAES SFP ber optic transceiver with integrated digital diagnostics monitoring functionality provides a quick and reliable interface for Gigabit Ethernet000BASE-SX multimode applications. The diagnostic functions, alarm and warning features as described in the Multi-Source Agreement (MSA) document, SFF-7(ev. 9.), are provided via an I C serial interface. A highly reliable 0nm wavelength Vertical Cavity Surface Emitting Laser (VCSEL) is used in the transmitter. The transceiver satises Class I Laser Safety requirements in accordance with the U.S. FDA/CDH and international IEC-0 standards. The TPAGSXLAES transceiver connects to a standard 0-pad SFP connector for hot plug capability. This allows the system designer to make conguration changes or maintenance by simply plugging in dierent types of transceivers without removing the power supply from the host system. The transceiver has bail-type latch, which oers an easy and convenient way to release the module. The latch is compliant with the SFP MSA. The transmitter and receiver DATA interfaces are AC coupled internally. LV-TTL Transmitter Disable controlinput and Loss of Signal output interfaces are also provided. The transceiver operates from a single +.V power supply over an operating case temperature range of -0 C to+ C. The housing is made of plastic and metal for EMI immunity. Features Compatible with SFP MSA Compliant with IEEE 0.z Gigabit Ethernet 000BASE-SX PMD Specifications Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics Industrial Operating Temperature ange 7m Distance with.μm Multimode Fiber 0m Distance with 0μm Multimode Fiber TX Disable Input Hot-pluggable Eye Safe (Class I Laser Safety) Duplex LC Optical Interface Single +.V Power Supply Absolute Maximum atings Parameter Symbol Minimum Maximum Units Storage Temperature V ST C Operating Case Temperature Industrial V OP C Supply Voltage V CC V Input Voltage V IN 0 V CC V Measured on top side of SFP module at the front center vent hole of the cage. An Oplink Company evb-np

2 TPAGSXLAES Transmitter Performance Characteristics All parameters guaranteed only at typical data rate =. to.7v) Operating Data ate B Mb/s Optical Output Power P O dbm Center Wavelength λ C 0-0 nm Spectral Width (MS) ΔλMS nm Extinction atio Phi /Plo db Total Jitter TJ ps elative Intensity Noise IN db/hz Coupled Power atio CP db Transmitter Output Eye Compliant with Eye Mask Dened in IEEE 0.z Standard Data rate ranges from 000Mb/s to 00Mb/s. However, some degradation may be incurred in overall performance. Measured average power coupled into either 0μm or.μm multimode fiber. eceiver Performance Characteristics All parameters guaranteed only at typical data rate =. to.7v) Operating Data ate B Mb/s Minimum Input Optical Power (0 - BE) Pmin dbm Maximum Input Optical Power (0 - BE) Pmax dbm LOS Thresholds Increasing Light Input Plos Decreasing Light Input Plos LOS Hysteresis db Total Jitter TJ - - ps Wavelength of Operation λ nm Optical eturn Loss OL - - db Electrical db Upper Cuto Frequency MHz Stressed eceiver Sensitivity Compliant with 0.z Standard Data rate ranges from 000Mb/s to 00Mb/s. However, some degradation may be incurred in overall performance. Measured with 7- PBS at 0Mb/s and 0nm wavelength. dbm Laser Safety: All transceivers are Class I Laser products per FDA/CDH and IEC-0 standards. They must be operated under specified operating conditions. DATE OF MANUFACTUE: This product complies with CF 00.0 and 00. Meets Class I Laser Safety equirements evb-np

3 TPAGSXLAES Transmitter Performance Characteristics =. to.7v) Input Voltage Swing (TD+ & TD-) V PP-DIF V Input HIGH Voltage (TX Disable) V IH.0 - V CC V Input LOW Voltage (TX Disable) V IL 0-0. V Output HIGH Voltage (TX Fault) V OH.0 - V CC +0. V Output LOW Voltage (TX Fault) V OL 0-0. V Differential peak-to-peak voltage. There is an internal.7 to 0kΩ pull-up resistor to VccT. Open collector compatible,.7 to 0kΩ pull-up resistor to Vcc (Host Supply Voltage). eceiver Electrical Interface =. to.7v)) Output Voltage Swing (D+ & D-) V PP-DIF V Output HIGH Voltage (LOS) V OH.0 - V CC +0. V Output LOW Voltage (LOS)) V OL 0-0. V Differential peak-to-peak voltage across external 00Ω load. Open collector compatible,.7 to 0kΩ pull-up resistor to Vcc (Host Supply Voltage). Electrical Power Supply Characteristics =. to.7v)) Supply Voltage V CC...7 V Supply Current I CC - 7 ma Module Definition pin MOD_DEF() pin MOD_DEF() pin Interpretation by Host TTL LOW SCL SDA Serial module denition protocol Electrical Pad Layout Host Board Connector Pad Layout TD- (TX DATA IN-) TD+ (TX DATA IN+) VccTX VccX D+ (X DATA OUT+) D- (X DATA OUT-) Top of Board TX Fault TX Disable MOD_DEF() MOD_DEF() NO CONNECTION LOS Bottom of Board (as viewed thru top of board) Toward Bezel Toward ASIC evb-np

4 TPAGSXLAES Example of SFP host board schematic μh coil or ferrite bead (<0.Ω series resistance) Vcc.V Vcc.V TX Disable TX DATA IN+ TX DATA IN Ω line 0Ω line TPAGSXLAES 9, 9,0,,,7,0 0Ω line 0Ω line TX Fault LOS MOD_DEF() MOD_DEF() (Internally Grounded) X DATA OUT+ to 0Ω load X DATA OUTto 0Ω load :.7 to 0kΩ Application Notes Electrical interface: All signal interfaces are compliant with the SFP MSA specification. The high speed DATA interface is differential AC-coupled internally with 0.μF and can be directly connected to a.v SEDES IC. All low speed control and sense output signals are open collector TTL compatible and should be pulled up with a.7-0kω resistor on the host board Loss of Signal (LOS): The Loss of Signal circuit monitors the level of the incoming optical signal and generates a logic HIGH when an insufficient photocurrent is produced. TX_Fault: The output indicates LOW when the transmitter is operating normally, and HIGH with a laser fault including laser end-of-life. TX Fault is an open collector/drain output that should be pulled up with a.7-0kω resistor on the host board. TX Fault is latched per SFP MSA. TX_Disable: When the TX Disable pin is at logic HIGH, the transmitter optical output is disabled (less than -dbm). Serial Identification and Monitoring: The module definition of SFP is indicated by the three module definition pins,, MOD_DEF() and MOD_DEF(). Upon power up, MOD_DEF(:) appear as NC (no connection), and is TTL LOW. When the host system detects this condition, it activates the serial protocol (standard two-wire I C serial interface) and generates the serial clock signal (SCL). The positive edge clocks data into the EEPOM segments of the SFP that are not write protected, and the negative edge clocks data from the SFP. The serial data signal (SDA) is for serial data transfer. The host uses SDA in conjunction with SCL to mark the startand end of serial protocol activation. The supported monitoring functions are internal temperature, supply voltage, bias current, transmitter power, average receiver signal, all alarms and warnings and software monitoring of TX Fault/LOS. The device is internally calibrated. The data transfer protocol and the details of the mandatory and vendor specific data structures are defined in the SFPMSA, and SFF-7, ev. 9. Power supply and grounding: The power supply line shouldbe well-filtered. All 0.μF power supply bypass capacitors should be as close to the transceiver module as possible. evb-np

5 TPAGSXLAES Package Outline EF FONTEDGEOF TANSCEIVECAGE Landing Pkwy Fremont, CA 9 Tel: (0) Fax: (0) Sales@Oplink.com Ordering Information Dimensions in inches [mm] Defaulttolerances:.xxx = +.00,.xx = +.0 Oplink can provide a remarkable range of customized optical solutions. For detail, please contact Oplink s Sales and Marketing for your requirements and ordering information (0) or Sales@oplink.com. reserves the right to make changes in equipment design or specifications without notice. Information supplied by Oplink Communications, Inc. is believed to be accurate and reliable. However, no responsibility is assumed by for its use nor for any infringements of third parties, which may result from its use. No license is granted by implication or otherwise under any patent right of 00, evb-np