Home > Products > Transceivers > CLR-GES-B40B                 CLR-GES-B40B       1.25Gbps LC SFP Bi-Directional SMF SFP Module   Single Fiber, 1550nm TX / 1310 nm RX, 40km                       Specifications                   Absolute Maximum Ratings Parameter Symbol Min   Max Unit Supply Voltage Vcc -0,5 4,5 V Storage Temperature Ts -40 +85 °C Operating Humidity - 5 85 %   Recommended Operating Conditions Parameter Symbol Min Typical Max Unit Operating Case Temperature - Commercial Tc 0 +70 °C Operating Case Temperature - Industrial -40 +85 °C Power Supply Voltage Vcc 3,13 3,3 3,47 V Power Supply Current Icc 300 mA Data Rate - Gigabit Ethernet 1,25 Gbps Data Rate - Fiber Channel 1,063   Optical and Electrical Characteristics Parameter Symbol Min Typical Max Unit Transmitter Centre Wavelength λc 1530 1550 1570 nm Spectral Width (RMS) (-20dB) σ 1 nm Side Mode Suppression Ratio SMSR 30   dB Average Output Power Pout -5 0 dBm Extinction Ratio ER 9 dB Optical Rise/Fall Time (20%~80%) tr/tf 0,26 ns Data Input Swing Differential VIN 400 1800 mV Input Differential Impedance ZIN 90 100 110 Ω TX Disable - Disable 2.0 Vcc V TX Disable - Enable 0 0,8 V TX Fault - Fault 2.0 Vcc V TX Fault - Normal 0 0,8 V Receiver Centre Wavelength λc 1260 1360 nm Receiver Sensitivity -23 dBm Receiver Overload -3 dBm LOS De-Assert LOSD -24 dBm LOS Assert LOSA -35 dBm LOS Hysteresis 1 4 dB Data Output Swing Differential Vout 400 1800 mV LOS High 2.0 Vcc V Low 0.8 V   Timing and Electrical Parameter Symbol Min Typical Max Unit Tx Disable Negate Time t_on 1 ms Tx Disable Assert Time t_off 10 μs Time To Initialize, including Reset of Tx Fault t_init 300 ms Tx Fault Assert Time t_fault 100 μs Tx Disable To Reset t_reset 10 μs LOS Assert Time t_loss_on 100 μs LOS De-assert Time t_loss_off 100 μs Serial ID Clock Rate f_serial_clock 400 KHz MOD_DEF (0:2)-High VH 2 Vcc V MOD_DEF (0:2)-Low VL 0,8 V   Diagnostics Specification Parameter Range Unit Accuracy Calibration Temperature 0 to +70 °C ±3°C internal/external -40 to +85 Voltage 3.0 to 3.6 V ±3% internal/external Bias Current 0 to 100 mA ±10% internal/external TX Power -5 to 0 dBm ±3dB internal/external RX Power -23 to -3 dBm ±3dB internal/external   Pin Descriptions Pin Signal Name Description Plug Seq.     1 VEET Transmitter Ground 1 2 TX FAULT Transmitter Fault Indication 3 3 TX DISABLE Transmitter Disable 3 4 MOD_DEF(2) SDA Serial Data Signal 3 5 MOD_DEF(1) SCL Serial Clock Signal 3 6 MOD_DEF(0) TTL Low 3 7 Rate Select Not Connected 3 8 LOS Loss of Signal 3 9 VEER Receiver ground 1 10 VEER Receiver ground 1 11 VEER Receiver ground 1 12 RD- Inv. Received Data Out 3 13 RD+ Received Data Out 3 14 VEER Receiver ground 1 15 VCCR Receiver Power Supply 2 16 VCCT Transmitter Power Supply 2 17 VEET Transmitter Ground 1 18 TD+ Transmit Data In 3 19 TD- Inv. Transmit Data In 3 20 VEET Transmitter Ground 1