MT25EW Bookham Technology, MT25EW Datasheet
MT25EW
Related parts for MT25EW
MT25EW Summary of contents
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... Etalon wavelength locking, ensures that the optical source remains within optical power and wavelength limits over variations in temperature, power, and over life. The MT25EW conforms to ITU-T G.692, ITU-T G.957, G.958 STM-16 Long Haul and Telcodia OC-48 Long Reach specifications for data links to 160 Km and beyond ...
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OPTICAL DEVICE THERMO- ELECTRIC COOLER Figure 1: Transmitter block diagram Functional description The module comprises an hermetically packaged 1550 nm BH Laser device with optical isolation and Etalon wavelength feedback, laser drive, automatic laser power control, and monitoring circuitry. The ...
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Transmitter operation (continued) Transmitter disable (TXSD) Transmitter operation can be disabled by applying a CMOS Logic 1 level to the TxSD pin. The laser can be disabled by the module microprocessor in the event of gross failure. When disabled the ...
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Pinout Table 1: Module pinout Pin # Name 1 Gnd 2 Data 3 Data 4 Gnd 5 Laser Disable 6 Vcc 7 Vcc 8 Vcc 9 Modulation Input 10 Gnd Gnd pins are connected to the module case. Do not ...
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Mechanical outline All dimensions in mm unless otherwise stated, general tolerance = 0.25 mm Figure 2: Mechanical outline Electrical characteristics The product is intended for use in fully compliant STM16 Long-haul optical links. These are defined by ITU-T G.957, G.958, ...
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Table 4: Electrical characteristics Parameter Supply Voltage Vcc Supply Voltage Vtec Supply Current Icc Supply Current Itec Transmitter Enable voltage Transmitter Disable voltage Output Disable time Output Enable time Laser Bias Current Monitor LBC Monitor - Slope LBC Monitor -o/p ...
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Optical characteristics Typical parameters are RT/SOL, MIN and MAX values are over the operating temperature and power supply range. Table 5: Optical characteristics Parameter Mean Output Power, SOL Mean Output Power, EOL Power Variation with Temp Wavelength Wavelength Stability Spectral ...
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... MT25EW4373**-** 23 MT25EW4453**-** Wavelength required is specified at the time of ordering. For example: MT25EW = Module, Transmitter, 2.488 Gb/s, Etalon, DWDM MT25EW2877$#-**. Wavelength required = 1528. Power C=3 mW (+1.7 dBm mean) # Reach C=160 km ** specify connector type and the fibre lengths For SC(C28) connector, UPC polish and minimum connector return loss of -50 dB www ...
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Two Wire Interface Communication with the module is via an industry standard synchronous two-wire interface. Addressing The module uses standard 7-bit addressing and has a fixed address TWCK and TWDA The two bus connections are implemented internally ...
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Receiving Data To receive data from the module e.g. submount temperature, first the module is addressed for write (R/W bit clear) and the appropriate command is sent. After the module has returned an ACK, a re-start condition is asserted, and ...
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SBT (05h) Return the laser submount temperature in units of 1/10ths of a degree C, e.g. 345 = 34.5C. Result is returned as an unsigned 16-bit value, MSB first followed by the LSB. Command is read-only. SBF (06h) Return the ...
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SER (09h) Return the module serial number. The serial number is 9 characters long and will typically include upper-case letters A-Z, digits 0-9, a period “.” separator and may contain spaces to pad the serial number to nine characters if ...
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Two Wire Command Summary Command-Mnemonic Command byte CHN 00h DEF 01h TUN 02h TWL 03h LAS 04h SBT 05h SBF 06h LBF 07h STA 08h SER 09h THR 0Ah MOD 0Bh BIS 0Ch WAV 0Dh TYP 0Eh THM 10h MCH ...
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System installation Electrostatic precautions The module has built in protection and is qualified to ±500 V, however the following procedures for handling ESD sensitive devices are recommended: • reduce body charge by using non metallic carbon wrist stations • ground ...
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... If you are interested in a particular product please request the available from any Bookham Technology sales representative. © Bookham Technology 2003 Bookham & ASOC are registered trademarks of Bookham Technology plc REV 1 Feb 2003 ...