Home > Products > Transceivers > CLR-FGS-LR4                 CLR-FGS-LR4       40GBase-LR4 QSFP+ Optical Transceiver Module   Singlemode, LC, 10Km                       Specifications                   Absolute Maximum Ratings Parameter Symbol Min Typical Max Unit Supply Voltage Vcc -0,5 3,6 V Storage Temperature Tst -40 85 ºC Maximum Average Input Optical Power per lane (Damage Threshold) Pin 3.4   dBm Humidity (non-condensing) Rh 10 90 %   Recommended Operating Conditions Parameter Symbol Min Typical Max Unit Supply Voltage Vcc 3,1 3,3 3,5 V Operating Case temperature Tca 0 70 ºC Power Dissipation Pdiss 3,5 W SMF Link Length Lkm 10 km   Electrical Specifications Parameter Symbol Min Typical Max Unit Signaling speed per channel       11.2 Gb/s Differential input impedance Zin 90 100 110 ohm Differential Output impedance Zout 90 100 110 ohm Differential input voltage amplitude ΔVin 120 1200 mVp-p Differential output voltage amplitude ΔVout 300 850 mVp-p Transmitter Signaling Speed Operating Range   ±20 ppm Receiver Signaling Speed Operating Range   ±100 ppm Receiver Rise Time     60   ps Receiver Fall Time     60   ps   Optical Characteristics Parameter Symbol Min Typical Max Unit Transmitter Centre Wavelength Range per Lane λc 1264.5 1271 1277.5 nm 1284.5 1291 1297.5 1304.5 1311 1317.5 1324.5 1331 1337.5 Data Rate Per Lane       11.2 Gb/s Average Optical Power Per Lane Pout -2.3   2.3 dBm Total Average Launch Power       8.3 dBm Optical Modulation Amplitude per Lane OMA -4   3.5 dBm Extinction Ratio ER 4.5     dB Difference in launch power between any two lanes       6.5 dB Relative Intensity Noise RIN     -128 dB/Hz Launch Power in OMA minus TDP per Lane   -4.8     dBm Transmission and dispersion penalty per Lane TDP     2.6 dB Side-Mode Suppression Ratio SMSR 30     dB Average launch power of OFF transmitter per each lane -30 dBm Transmitter Reflectance       -12 dB Optical retun loss tolerance       20 dB Eye Mask coordinates: X1, X2, X3, Y1, Y2, Y3 Compliant with 802.3ba standard {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} Eye Mask Criteria 5% mask margin over specified ranges of temperature, voltage and power supply noise at end of life. Receiver Centre Wavelength Range per Lane λc 1264.5 1271 1277.5 nm 1284.5 1291 1297.5 1304.5 1311 1317.5 1324.5 1331 1337.5 Damage Treshold 3,4 dBm Average Optical Power Per Lane Pin -13.7   2.3 dBm Receive Power per lane OMA 3.5 dBm Difference in Receive power between any two lanes       7.5 dB Receiver Reflectance       -26 dB Receiver Sensitivity (OMA) per Lane -11.5 dBm Receiver 3 dB electrical upper cutoff frequency, each lane 12.3 GHz Stressed Receiver Sensitivity OMA each lane -9.6 dBm RX_ LOS_ Assert Min/Max -30   dBm RX_ LOS_ De-Assert Max -14 dBm RX_ LOS_ Hysteresis 0.5   dB   Pin Descriptions Pin Logic Symbol Name/Description 1 GND Module Ground 2 CML-I Tx2- Transmitter inverted data input 3 CML-I Tx2+ Transmitter non-inverted data input 4 GND Module Ground 5 CML-I Tx4- Transmitter inverted data input 6 CML-I Tx4+ Transmitter non-inverted data input 7 GND Module Ground 8 LVTTL-I MODSEIL Module Select 9 LVTTL-I ResetL Module Reset 10 VCCRx +3.3v Receiver Power Supply 11 LVCMOS-I SCL 2-wire Serial interface clock 12 LVCMOS-I/O SDA 2-wire Serial interface data 13 GND Module Ground 14 CML-O RX3+ Receiver non-inverted data output 15 CML-O RX3- Receiver inverted data output 16 GND Module Ground 17 CML-O RX1+ Receiver non-inverted data output 18 CML-O RX1- Receiver inverted data output 19 GND Module Ground 20 GND Module Ground 21 CML-O RX2- Receiver inverted data output 22 CML-O RX2+ Receiver non-inverted data output 23 GND Module Ground 24 CML-O RX4- Receiver inverted data output 25 CML-O RX4+ Receiver non-inverted data output 26 GND Module Ground 27 LVTTL-O ModPrsL Module Present, internal pulled down to GND 28 LVTTL-O IntL Interrupt output, should be pulled up on host board 29 VCCTx +3.3v Transmitter Power Supply 30 VCC1 +3.3v Power Supply 31 LVTTL-I LPMode Low Power Mode 32 GND Module Ground 33 CML-I Tx3+ Transmitter non-inverted data input 34 CML-I Tx3- Transmitter inverted data input 35 GND Module Ground 36 CML-I Tx1+ Transmitter non-inverted data input 37 CML-I Tx1- Transmitter inverted data input 38 GND Module Ground