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Gigabit Ethernet SFP Multimode Transceivers with Digital Diagnostics
TRXAG1SX
Product Description
The TRXAG1SX series of fiber optic transceivers with integrated digital diagnostics monitoring functionality provide a quick and reliable interface for Gigabit Ethernet 1000BASE-SX multimode applications. The diagnostic functions, alarm and warning features are provided via an I2C serial interface. A highly reliable 850nm wavelength Vertical Cavity Surface Emitting Laser (VCSEL) is used in the transmitter. The transceivers satisfy Class I Laser Safety requirements in accordance with the U.S. FDA/CDRH and international IEC60825 standards. The TRXAG1SX transceivers connect to standard 20-pad SFP connectors for hot plug capability. This allows the system designer to make configuration changes or maintenance by simply plugging in different types of transceivers without removing the power supply from the host system. The transceivers have bail-type latches, which offer an easy and convenient way to release the modules. The latch is compliant with the SFP MSA. The transmitter and receiver DATA interfaces are ACcoupled internally. LV-TTL Transmitter Disable control input and Loss of Signal output interfaces are also provided. The transceivers operate from a single +3.3V power supply over three operating case temperature ranges of -5C to +70C, -10C to +85C, or -40C to +85C. The housing is made of plastic and metal for EMI immunity.
Features Lead Free Design & Fully RoHS Compliant Compatible with SFP MSA Compliant with IEEE 802.3z Gigabit Ethernet 1000BASE-SX PMD Specifications Digital Diagnostics through Serial Interface Internal Calibration for Digital Diagnostics 275m Distance with 62.5m Multimode Fiber 550m Distance with 50m Multimode Fiber Loss of Signal & TX Fault Outputs TX Disable Input Hot-pluggable Eye Safe (Class I Laser Safety) Duplex LC Optical Interface
Absolute Maximum Ratings
Parameter Storage Temperature "B" option Operating Case Temperature Supply Voltage Input Voltage Lead Terminal Finish, Reflow Profile Limits and MSL
1
Symbol TST
Minimum - 40 -5 - 10 - 40 0 0 -
Maximum + 80 + 70 + 85 + 85 + 5.0 VCC NA
Units C C V V -
1
"E" option "A" option
TOP VCC VIN -
Measured on top side of SFP module at the front center vent hole of the cage.
An Oplink Company
RevA-P.2009.06.18
TRXAG1SX
Transmitter Performance Characteristics
All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Optical Output Power Center Wavelength Spectral Width (RMS) Extinction Ratio Deterministic Jitter Total Jitter Relative Intensity Noise Coupled Power Ratio Transmitter Output Eye
1
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)
Symbol B PO C RMS Phi /Plo DJ TJ RIN CPR
Minimum - 9.5 820 9 9
Typical 1250 - 7.0 -
Maximum - 4.0 860 0.85 80 227 - 117 -
Units Mb/s dBm nm nm dB ps ps dB/Hz dB
2
Compliant with Eye Mask Defined in IEEE 802.3z Standard
Data rate ranges from 1000Mb/s to 1300Mb/s. However, some degradation may be incurred in overall performance. The minimum power specified is at Beginning-of-Life. 2 Measured average power coupled into either 50m or 62.5m multimode fiber.
Receiver Performance Characteristics
All parameters guaranteed only at typical data rate Parameter Operating Data Rate 1 Minimum Input Optical Power (10 BER)
-12 2
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)
Symbol B Pmin Pmax Plos+ PlosDJ TJ ORL -
Minimum - 17.0 0 - 30.0 0.5 770 12 -
Typical 1250 -
Maximum - 17.0 170 266 860 1500
Units Mb/s dBm dBm dBm dB ps ps nm dB MHz
Maximum Input Optical Power (10 -10 BER) 2 LOS Thresholds LOS Hysteresis Deterministic Jitter Total Jitter Wavelength of Operation Optical Return Loss Electrical 3dB Upper Cutoff Frequency Stressed Receiver Sensitivity
1 2
Increasing Light Input Decreasing Light Input
Compliant with 802.3z Standard
Data rate ranges from 1000Mb/s to 1300Mb/s. However, some degradation may be incurred in overall performance. Measured with 27-1 PRBS at 1250Mb/s & at 850nm wavelength.
Laser Safety: All transceivers are Class I Laser products per FDA/CDRH and IEC-60825 standards. They must be operated under specified operating conditions.
Oplink Communications, Inc.
DATE OF MANUFACTURE: This product complies with 21 CFR 1040.10 and 1040.11 Meets Class I Laser Safety Requirements
Oplink Communications, Inc.
2
RevA-P.2009.06.18
TRXAG1SX
Transmitter Performance Characteristics
Parameter Input Voltage Swing (TD+ & TD-) 1 Input HIGH Voltage (TX Disable) 2 Input LOW Voltage (TX Disable) Output HIGH Voltage (TX Fault)
1 2 3
(Over Operating Case Temperature. VCC = 3.13 to 3.47V) Minimum 0.50 2.0 0 2.0 0 Typical Maximum 2.4 VCC 0.8 VCC + 0.3 0.8 Units V V V V V
Symbol VPP-DIF VIH VIL VOH VOL
2 3
Output LOW Voltage (TX Fault) 3
1Differential peak-to-peak voltage. There is an internal 4.7 to 10k pull-up resistor to VccT. Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage).
Receiver Electrical Interface
Parameter Output Voltage Swing (RD+ & RD-) 1 Output HIGH Voltage (LOS) 2 Output LOW Voltage (LOS)) 2
1 2
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Symbol VPP-DIF VOH VOL Minimum 0.6 2.0 0 Typical Maximum 2.0 VCC + 0.3 0.5 Units V V V
Differential peak-to-peak voltage across external 100 load. Open collector compatible, 4.7 to 10k pull-up resistor to Vcc (Host Supply Voltage).
Electrical Power Supply Characteristics
Parameter Supply Voltage Supply Current VCC ICC
(Over Operating Case Temperature. VCC = 3.13 to 3.47V)) Minimum 3.13 Typical 3.3 175 Maximum 3.47 245 Units V mA
Symbol
Module Definition
MOD_DEF(0) pin 6 MOD_DEF(1) pin 5 MOD_DEF(2) pin 4 Interpretation by Host
TTL LOW
SCL
SDA
Serial module definition protocol
Electrical Pad Layout
20 19 18 17 16 15 14 13 12 11
TX GND TD- (TX DATA IN-) TD+ (TX DATA IN+) TX GND VccTX VccRX RX GND RD+ (RX DATA OUT+) RD- (RX DATA OUT-) RX GND
Host Board Connector Pad Layout
20 19 18 17 16 15 14 13 12 11
Toward ASIC
1 2 3 4 5 6 7 8 9 10
TX GND TX Fault TX Disable MOD_DEF(2) MOD_DEF(1) MOD_DEF(0) NO CONNECTION LOS RX GND RX GND
1 2 3
Toward Bezel
4 5 6 7 8 9 10
Top of Board
Bottom of Board (as viewed thru top of board)
Oplink Communications, Inc.
3
RevA-P.2009.06.18
TRXAG1SX
Example of SFP host board schematic
R: 4.7 to 10k
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 0.1F and can bedirectly connected to a 3.3V SERDES IC. All low speed control and sense output signals are open collector TTL compatible and should be pulled up with a 4.7 - 10k 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 4.7 - 10k 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 -45dBm). Serial Identification and Monitoring: The module definition of SFP is indicated by the three module definition pins, MOD_DEF(0), MOD_DEF(1) and MOD_DEF(2). Upon power up, MOD_DEF(1:2) appear as NC (no connection), and MOD_DEF(0) is TTL LOW. When the host system detects
this condition, it activates the serial protocol (standard two-wire I2C serial interface) and generates the serial clock signal (SCL). The positive edge clocks data into the EEPROM 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 start and 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-8472, Rev. 9.4 Power supply and grounding: The power supply line should be well-filtered. All 0.1F power supply bypass capacitors should be as close to the transceiver module as possible.
Oplink Communications, Inc.
4
RevA-P.2009.06.18
TRXAG1SX
Mechanical Package
46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com * www.oplink.com
Dimensions in inches [mm] Default tolerances:
.xxx = + .005", .xx = + .01"
Ordering Information
Model Name
Oplink Order Number
For Reference (OCP order number)
Operation Temperature
Nominal Wavelength
Latch Color
TRP1G10V1C00000G TRP1G10V1D00000G TRP1G10V1I00000G
TRXAG1SXLBES TRXAG1SXLDES TRXAG1SXLAES
- 5 C to + 70C - 10 C to + 85C - 40 C to + 85C
850nm 850nm 850nm
Beige Beige Beige
Oplink Communications, Inc. 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 Oplink Communications, Inc. 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 Oplink Communications, Inc. RevA-P.2009.06.18 (c) 2006, Oplink Communications, Inc. 5

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