
MITSUBISHI (OPTICAL DEVICES)
MF-156DS-TR123-030/040/050
SONET/SDH TRANSCEIVER
DESCRIPTION
This product is designed to provide high optical
performance for SDH STM-1/SONET OC-3.
Transmitter uses uncooled laser in a hermetic pigtail
coaxial module with drivered by specific integrated
circuit.
Receiver uses PIN preamp in a hermetic pigtail
coaxial module and integrated circuits for reshaping,
retiming and regenerating optical signal.
FEATURES
Tx + Rx combined
Full SONET/SDH line up
Low voltage, low power consumption, low cost
20-PIN DIP with fiber pigtail
Single +3.3V power supply and P-ECL compatible
input and output
Temp range:-40 to 85°C
Clock recovery
APPLICATION
Short haul and long haul telecommunication systems
for SDH STM-1 / SONET OC-3.
ABSOLUTE MAXIMUM RATINGS
Stress below listed absolute maximum rating may cause permanent damage to the transceiver.
This is a stress only and functional operation of the transceiver at these or any other conditions in excess of those
given in the operational sections of this data sheet is not implied.
Exposure to Absolute Maximum Rating for extended periods may affect transceiver reliability.
(TC=25°C)
Parameter Symbol Rating Unit
Supply voltage Vcc 5.0 V
PECL high output current - 30 mA
PECL input voltage - 0 to Vcc V
Storage temperature Tstg -40 to 85 °C
Operating case temperature Tc -40 to 85 °C
Soldering Temperature - +250 °C
Soldering Time - 10 sec
Relative humidity(non condensation) - 5 to 85 %
Fiber bend radius rF 30 mm

MITSUBISHI (OPTICAL DEVICES)
MF-156DS-TR123-030/040/050
SONET/SDH TRANSCEIVER
ELECTRICAL CHARACTERISTICS
All parameters are specified over the operating case temperature.
Measurement conditions are at 155.52Mb/s+/-20ppm, NRZ PN2
23
-1 and 50%duty cycle data signal.
Vcc=+3.3V+/-5%, Tc=-40 to 85 °C, Using a PRBS 2
23
-1 pattern with a 50% Mark ratio, unless otherwise noted.
Transmitter
Parameters
Condition Symbol Min. Typ. Max. Unit
Supply voltage
Vcc 3.135 3.3 3.465 V
Power consumption
Pc - 230 610 mW
Input voltage
note 1 - LVPECL(*) -
Transmitter disable voltage
note 2 - Vcc-1.165 - Vcc V
Transmitter enable voltage
note 2 - 0 - 0.8 V
Laser bias monitor voltage
note 3 - - - 0.55 V
Laser backface monitor voltage
note 3 - - - 0.20 V
Laser bias monitor and Laser
backface monitor common mode
voltage
note 3 - 0.0 - 3.0 V
Receiver
Parameters Condition Symbol Min. Typ. Max. Unit
Supply voltage Vcc 3.135 3.3 3.465 V
Power consumption Pc - 500 700 mW
Output voltage note 4 - LVPECL(*) Data/Clock external Load note 4 RI 50 - - ohm
Data to clock phase note 5 - -0.8 - +0.8 nsec.
Clock duty note 5 - 45 - 55 %
SD output voltage note 6 - LVTTL(*) SD activation time note 7 Tact - - 95 us
SD deactivation time note 7 Tdeact - - 300 ms
(*): Values shown are for Vcc=3.3V Level specifications will vary 1:1 with Vcc

MITSUBISHI (OPTICAL DEVICES)
MF-156DS-TR123-030/040/050
SONET/SDH TRANSCEIVER
OPTICAL CHARACTERISTICS
Parameter Specification Unit
ITU code S-1.1(*) L-1.1 L-1.2(*)
Min. Max. Min. Max. Min. Max.
Optical Budget 0 14 10 29 10 29 dB
Transmitter
Wavelength 1261 1360 1280 1335 1480 1580 nm
Optical power at pigtail -14 -8 -4 0 -4 0 dBm
Optical power when disable - -45 - -45 - -45 dBm
Spectral width(rms) - 4 - - - - nm
Spectral width(-20dB) - - - 1 - 1 nm
SMSR - - 30 - 30 - dB
Extinction ratio 8.2 - 10 - 10 - dB
Optical wave form ITU Mask compliant -
Path penalty - 1 - 1 - 1 dB
Dispersion - 100 - 185 - 1900 ps/nm
Receiver
Sensitivity - -34 - -34 - -34 dBm
Overload -8(#) - -8(#) - -8(#) - dBm
Wavelength 1260 1580 1260 1580 1260 1580 nm
(*): Under development (#): target 0dBm
ORDERING INFORMATION
Part number ITU-code Optical connector type
MF-156DS-TR123-030 S-1.1 FC/FC
MF-156DS-TR123-031 S-1.1 SC/SC
MF-156DS-TR123-032 S-1.1 ST/ST
MF-156DS-TR123-040 L-1.1 FC/FC
MF-156DS-TR123-041 L-1.1 SC/SC
MF-156DS-TR123-042 L-1.1 ST/ST
MF-156DS-TR123-050 L-1.2 FC/FC
MF-156DS-TR123-051 L-1.2 SC/SC
MF-156DS-TR123-052 L-1.2 ST/ST