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Data Sheet
24 PIN 10Gb/s Long Reach DWDM Serial Transmitter Module MT10EW
The Bookham MT10EW 10Gb/s LR Transmitter Module is a 1550nm, low power, small footprint 24-pin module enabling high port density. It is designed to support a SONET / SDH or 10GE interface between the photonics layer and the electrical layer for applications with reach requirements of 80km or more. The Transmitter allows convenient direct connection to system card electrical MUX ASICs, using un-clocked mode of data transfer. The transmitter has been designed for Dense Wavelength Division Multiplexed (DWDM) operation for applications up to 11.1GB/s. Low power dissipation coupled with small footprint significantly simplifies high speed card design. This results in significant savings in card space and development time, and greatly improved time to market. The module provides wavelengths on the 50GHz ITU-T grid in the C band. It is also available for non-WDM applications that use a single wavelength. Multi functional hardware alarms and monitors are also available for systems card and network management. The MT10EW LR 24 pin Transmitter Module can be used in existing OC192 and OC192c ports as well as emerging IEEE 802.3ae 10 Gigabit Ethernet WAN / LAN ports. The MT10EW LR Transmitter Module is optimised for optical link spans of 80km+ (based on GR-253, ITU G.691 and IEEE 802/3ae system architectures). Reaches in excess of 80km may be achieved in proprietary networks. The compact size, low power Transmitter Module is 24 pin connectorised for convenient surface mount assembly. The module comprises a hermetically packaged laser device and Bookham's InP Mach-Zehnder modulator Technology with optical isolation and wavelength stabilisation. This ensures that the optical source remains within optical power and wavelength limits over variations in temperature and over life. A microprocessor coupled with internal circuitry and a Thermo-Electric Cooler (TEC) controls the operation of the module and ensures the correct laser temperature to achieve constant wavelength. Features: * Incorporates Bookham InP MZ Technology enabling superior systems performance. * +3.5 to +7dBm start of life, over temperature optical output power window * Internal microcontroller for TX wavelength, power & opticalperformance control * Multi functional hardware alarms and monitors for systems card and network management * 2 x 12 way 0.1" x 1.5" pitch electrical interface * 73.4 x 50.0 x 12.7mm MSA compliant outline * 24pin MSA compliant * +3.3V / +5V external power supply rails * Typical power dissipation 3W * IEC/EN 60825 Class 1M laser safety classification * Case operating temperature range -5 to +75C * RoHS 5/6 compliant
Applications: * 10Gbps fixed wavelength, Long Reach DWDM serial transmitter module suitable for 80km+ reach applications * Suitable for use in 1550nm Long Reach applications based on Telcordia GR-253, ITU-T G.691and IEEE 802.3ae system architectures * Multi bit rate performance 9.953 Gb/s (OC192, 10GE WAN), 10.3125 Gb/s (10 GE LAN), 10.664 10.709 11.1 Gb/s (FEC),
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Data Sheet
Characteristics
Unless otherwise stated the following parameters and performances are required over the full range of operating conditions defined below, from beginning to end of life. The typical values are referenced to case temperature of +25C, nominal power supplies, beginning of life (BOL).
Parameter Positive supply voltage Positive supply current TEC supply voltage TEC supply current Tolerable module power supply voltage ripple Total power dissipation Differential input sensitivity data voltage Differential input sensitivity clock voltage for each input Note [1] AC coupled, for each input Note [1] Differential driven Note Note
[2] [2]
Symbol
Measurement Conditions Vcc IVCC VTEC ITEC
Min 4.75 3.1
Typ 5.0
Max 5.25 750
Unit V mA V A mVpp
3.3
3.5 1.2
Sinewave 1Hz-1MHz. Note [10]
VNM
50
PDIS VDIFF 250
3 400
5.5 500
W mVpp
VDIFF
200
250
500
mVpp
Data/clock input impedance Set-up Hold time
ZIN (differential) TSU TH Refer to Set-up and Hold time definition diagram VIH VIL VOH VOL TLDA TLTDA 11 25
100
V ps ps
TXEN, CSEL, logic high level input voltage TXEN, CSEL, logic low level input voltage LDA, LTDA logic high level output voltage LDA, LTDA logic low level output voltage LDA LTDA TXDIS activation time TXDIS deactivation time
Isource= 200uA Isink = 10uA Note [3] Iout<7mA Iout>-0.5mA
2 0 2.7 0
VCC 0.8 VCC 0.5 50 150 2 50 1 5
V V V V ms ms ms ms s s mV % mV
Note
[4]
TACT TDEACT TWARM TCOLD_START VBF -37 500
Note [5]
[6]
Wavelength stabilization time Note after TXDIS deactivation Cold start wavelength stabilization time Normalized back-facet monitor voltage Note
[7]
TXDIS = OFF Note [8]
[9]
+25 20
Back-facet monitor accuracy Note Back-facet monitor voltage
TXDIS = ON
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Data Sheet
Notes:
[1] Two complementary signals of equal amplitude on each input. [2] Referred to data level 20% or 80%, see diagram below for definitions.
[3] When not connected the TXDIS, CSEL inputs are considered in a low state, (internal pull-down resistor). Clocked mode, CSEL=low is presently unsupported for the MT10EW. [4] Time measured from rising edge of shutdown signal until optical output has turned off (<-40dBm). [5] Time measured from falling edge of shutdown signal until optical output power is over 0dBm and emitted wavelength is at nominal value +/- 200 pm. The unit is assumed to be powered on for at least 30s. [6] Time measured from falling edge of shutdown signal until optical output power is within the specified range and wavelength within +/-30pm. The unit is assumed to be powered on for at least 30 seconds. [7] Time measured from enabling laser until optical output power is within the specified range and wavelength within +/-120pm. Module powered for 5 seconds minimum prior to enabling laser. For any initial case temperature within the specified operational range and with TXDIS = off. [8] Back facet monitor voltage is measured from pin 2 to GND and normalized at the beginning of life relative to the initial optical output power (Tcase = 25C, nominal power supply). The relationship is approximately linear, as represented by the equation: Back-facet voltage = VBF. (measured optical output power/initial BOL optical output power), power measured in mW. For example, a 50% variation of this voltage means a 50% drift of the optical output power.
Nominal Characteristics
[9] Total relative variation of the mean modulated optical fibre output power over the operating case temperature and supply voltage ranges for a constant back facet voltage. [10] A sinewave is superposed to the DC supply voltage. The device must still meet the optical and electrical specifications when the magnitude of the sinewave measured at any VCC pin (pin 13 and 24) is up to the specified value VNM
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Data Sheet
Optical
Parameter Mean modulated optical output power Mean modulated optical output power with module disabled Operational central wavelength range Spectral width Symbol PNOM PSDC Measurement Conditions BOL Note [1] EOL Note [1] Min 3.5 3 Typ Max 7 7.5 -40 Unit dBm dBm
_ _ Note Note Note Note
1528.77 0.3 30 -20 -30 20 10 dB
1568.57 0.5
nm nm
[2] [3] [4]
Side mode suppression ratio SMSR BOL central wavelength deviation EOL central wavelength deviation Optical return loss Optical extinction ratio (unfiltered) Receiver dispersion power penalty _BOL _EOL ORL ER DP
+20 +30
pm pm dB dB
[4]
Average polarisation state 10.709Gb/s 2^31-1 NRZ PRBS data 10.709Gb/s 2^31-1 NRZ PRBS data, 1600ps/nm dispersion, OSNR0.1 >36dB, RX threshold optimised, BER 1e-8. 20%-80% 10.709Gb/s 2^31-1 NRZ PRBS data, Note [5]
2
dB
Optical rise/fall times Output Jitter
TR / TF
35 Telcordia GR-253compliant for SONET OC192 / SDH STM-64-ITU-T G.82511 compliant for SONET OC-192 / SDH STM-64 with FEC
ps
Notes:
[1] Mean power measured at optical fibre output. When there is no modulation signal at the data input the average power shall be less than +7.5dBm. [2] Full spectral width measured 20 dB down from the maximum of center wavelength peak under full modulation condition. [3] Ratio of the average output power in the dominant longitudinal mode to the power in the most significant side mode peak under full modulation condition. [4] Deviation referenced to the ITU standardized wavelength. [5] Output optical jitter measured through an electrically filtered reference receiver.
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Data Sheet
Absolute Maximum Ratings
Maximum and/or minimum values of critical parameters which will not permanently damage the device, but for which the spec may not hold. Typical headings are:
Parameter Description Storage temperature[1] RH Storage relative humidity[2] Minimum fiber bend radius VCC VTEC VRFDC TXEN ESD Positive supply voltage TEC supply voltage Input data and clock DC voltage TX disable input ESD resistance[3] Min -40 5 30 -0.3 -0.3 -0.3 -0.3 Class 2 precautions[4] +6 +6 VCC VCC 400 V Max +85 95 Unit C % mm V V V
Notes:
[1] [2] [3] [4] Non operational. Non condensing. Human body model. In accordance with Telcordia TR-NWT-000870, ESD class 2.
Applications Support
The following documents are available to support customers using this product: Component Mounting Recommendations For the 24 pin Long Reach Serial Transmitter Module. Characterisation of the 24 pin Long Reach Serial Transmitter Module in typical optical system. Evaluation platform for the 24 pin Long Reach Serial Transmitter Module AN0145
ANxxxx
AN0144
Optical component evaluation platforms are available for all Bookham optical components. Contact your regional sales representative for further information.
Power Supply Filtering Recommendations
Care should be taken when placing PCB power transmission tracks and adding additional filtering components as these may affect module operation. It is recommended that any series inductance integrated within external power supply filters are limited to 4.7uH max.
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Data Sheet
Schematic Diagram
Pinout Table
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 Symbol GND_TEC PWR_MON LDA TXDIS CSEL GND LTDA I2C CLK I2C DATA Pin Assignment TEC ground Optical power monitor Laser degraded alarm Module TX disable input Clocked/Non-clocked mode select[1] Ground Laser temperature degraded alarm I2C Clock bus I2C Data bus Pin # 24 23 22 21 20 19 18 17 16 15 14 13 Symbol VCC GND CLKN GND CLKP GND DATAN GND DATAP GND VTEC VCC Pin Assignment Positive power supply (+5V) Ground Clock input (-) Ground Clock input (+) Ground Data input (-) Ground Data input (+) Ground TEC supply Voltage (+3.3V) Positive power supply (+5V)
NUC NUC GND
No user connection No user connection Ground
Refer to module outline drawing for pin identification. Note: [1] Only non-clocked mode is presently supported with the MT10EW module.
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Data Sheet
Instructions for use
- GND / GND-TEC: Ground reference pin and package potential. All voltages are referred to this node. - VCC: General positive power supply of the module. Typical value : + 5.0 V. - VTEC: TEC (Thermo-Electrical Cooler) supply. Typical value + 3.3 V. - DATAP / DATAN (Data inputs): NRZ data input, internally AC coupled with 50 ohm internal termination. A logical "1" of D is related to a light on state on the optical fibre. Data line is retimed at the input of the module by the input clock signal when the function is selected. In case of operation in the transparent mode of the transmitter no internal signal regeneration function is provided. Input impedance: 50 V typical. - CLKP / CLKN (Clock inputs): Clock inputs internally AC coupled with 50 ohm internal termination. The rising edge of the clock+ signal must be central to the steady state of the data pattern. Input impedance: 50 V typical. - TXDIS (TX disable input): Under shutdown condition the output power should be low enough so that any receiver, in minimum span condition, will generate an LPA (Loss of Power Alarm). When TXDIS is high the TX module is disabled (no optical output power). When TXDIS is low (or open) the TX module is in the operating condition. TTL compatible input. Input includes pull down resistance of 100 kV typical. - CSEL (Selection of data input clocking mode - future enhanced feature): When CSEL is high the module operates in the non clocked mode, this is the supported operational mode for the MT10EW. TLL compatible input. Pull down resistance of 100 kV typically. - LDA (Laser degradation alarm): Digital alarm indicating that the laser is degraded. LDA activation ISOL +/-20%, hysteresis +/-10mA The active level is a low level. The alarm shall not be activated in shutdown condition. TTL compatible output. - LTDA (Laser temperature degraded alarm): Alarm indicating when the laser temperature exceeds the recommended operational limits. LTDA activation TSOL +/-2C, hysteresis +/-0.5C. The active level is a high level. TTL compatible output. - PWR_MON (Back Facet Monitor): Laser back facet monitor derived voltage. This monitor produces a scaled varying analogue voltage that tracks the transmitted optical output power. Output impedance < 10 V typically. - NUC: No user connection, this pin can be tied to any static potential within the operating supply range. - I2C & GUI interface (future enhanced feature): The module includes an I2C interface bus which enables the user to interogate the module alarms and monitors using a host controller. - Wavelength drift alarm (future enhanced feature): An option exist to provide a wavelength drift alarm using the LTDA alarm port, which activates when the laser wavelength exceeds +/-30pm of the SOL (start of life) value.
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Data Sheet
Outline Drawing
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Data Sheet Ordering Information
MT10EW (Connector) J28 = SC/PC J33 = FC/PC J57 = LC J59 = MU #### = Last four digits of wavelength value E.g. for lp = 1545.32 nm #### = 4532 e.g. MT10EW4532AAA-J28 is a 1545.32 nm 24 pin module with an SC connector. Refer to table below for wavelength selection. ITU-T Frequency (THz) 196.3 196.25 196.20 196.15 196.10 196.05 196.00 195.95 195.90 195.85 195.80 195.75 195.70 195.65 195.60 195.55 195.50 195.45 195.40 195.35 195.30 195.25 195.20 195.15 195.10 195.05 195.00 194.95 194.90 194.85 194.80 194.75 194.70 194.65 194.60 194.55 194.50 194.45 194.40 194.35 194.30 194.25 194.20 194.15 194.10 194.05 ITU-T Frequency (THz) 194.00 193.95 193.90 193.85 193.80 193.75 193.70 193.65 193.60 193.55 193.50 193.45 193.40 193.35 193.30 193.25 193.20 193.15 193.10 193.05 193.00 192.95 192.90 192.85 192.80 192.75 192.70 192.65 192.60 192.55 192.50 192.45 192.40 192.35 192.30 192.25 192.20 192.15 192.10 192.05 192.00 191.95 191.90 191.85 191.80 (Wavelength) #### AAA-
Wavelength code 2722 2760 2799 2838 2877 2916 2955 2994 3033 3072 3112 3151 3199 3229 3268 3307 3347 3386 3425 3464 3504 3543 3582 3621 3661 3700 3740 3779 3819 3858 3898 3937 3977 4016 4056 4095 4135 4175 4214 4254 4294 4333 4373 4413 4453 4492
Wavelength (nm) 1527.216 1527.605 1527.994 1528.384 1528.773 1529.163 1529.553 1529.944 1530.334 1530.725 1531.116 1531.507 1531.898 1532.290 1532.681 1533.073 1533.465 1533.858 1534.250 1534.643 1535.036 1535.429 1535.822 1536.216 1536.609 1537.003 1537.397 1537.792 1538.186 1538.581 1538.976 1539.371 1539.766 1540.162 1540.557 1540.953 1541.349 1541.746 1542.142 1542.539 1542.936 1543.333 1543.730 1544.128 1544.526 1544.924
Wavelength code 4532 4572 4612 4652 4692 4732 4772 4812 4851 4891 4932 4971 5011 5052 5092 5132 5172 5212 5252 5293 5333 5373 5413 5454 5494 5534 5575 5615 5655 5696 5736 5777 5817 5858 5898 5939 5979 6020 6061 6101 6142 6183 6223 6264 6305
Wavelength (nm) 1545.322 1545.720 1546.119 1546.518 1546.917 1547.316 1547.715 1548.115 1548.515 1548.915 1549.315 1549.715 1550.116 1550.517 1550.918 1551.319 1551.721 1552.122 1552.524 1552.926 1553.329 1553.731 1554.134 1554.537 1554.940 1555.343 1555.747 1556.151 1556.555 1556.959 1557.363 1557.768 1558.173 1558.578 1558.983 1559.389 1559.794 1560.200 1560.606 1561.013 1561.419 1561.826 1562.233 1562.640 1563.047
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Data Sheet
RoHS Compliance
Bookham is fully committed to environment protection and sustainable development and has set in place a comprehensive program for removing polluting and hazardous substances from all of its products. The relevant evidence of RoHS compliance is held as part of our controlled documentation for each of our compliant products. RoHS compliance parts are available to order, please refer to the ordering information section for further details.
Contact Information
North America Bookham Worldwide Headquarters
2584 Junction Ave. San Jose CA 95134 USA * Tel: +1 408 919 1500 * Fax: +1 408 919 6083
Europe Paignton Office
Brixham Road Paignton Devon TQ4 7BE United Kingdom * Tel: +44 (0) 1803 662000 * Fax: +44 (0) 1803 662801
Asia Shenzhen Office
2 Phoenix Road Futian Free Trade Zone Shenzhen 518038 China * Tel: +86 755 33305888 * Fax: +86 755 33305805 +86 755 33305807
Important Notice Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by Bookham before they become applicable to any particular order or contract. In accordance with the Bookham policy of continuous improvement specifications may change without notice. The publication of information in this data sheet does not imply freedom from patent or other protective rights of Bookham or others. Further details are available from any Bookham sales representative.
www.bookham.com sales@bookham.com
ISO14001:1996 EMS 504193 TL9000 Rev 3.0 (ISO9001:2000) FM15040
Caution - use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
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BH12883 Rev 2.0 January 2007. (c)Bookham 2005. Bookham is a registered trademark of Bookham Inc.

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