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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

DESCRIPTION

This product is designed to provide high optical

performance for SDH STM-16/SONET OC-48.

Transmitter uses uncooled laser module with drivered

by specific integrated circuit.

Receiver uses PD or APD preamp-module and

integrated circuits for reshaping, retiming and

regenerating optical signal.

FEATURES

Full SONET/SDH line up

Low cost

Compact, low power

-5.2 V,+5V power supply, DC/DC  converter built in

for Rx

Case Temp. Range: Class 1; -5 to +75

°

C / Class

2; -40 to +85

°

C

Clock recovery

Multi source

APPLICATION

Short haul and long haul telecommunication systems

for SDH STM-16 / SONET OC-48.

2.5Gb/s ATM LAN and ATM switching systems.

ABSOLUTE MAXIMUM RATINGS

Stress below listed absolute maximum rating may cause permanent damage to the module.

Th is is a  stress o nly  and functional operation of the module at these  or any other conditions in  excess of those

given in the operational sections of this data sheet .

Exposure to Absolute Maximum Rating for extended periods may affect module reliability.

                                                                                                                                                         Tc=25

°

C

Parameters

Symbol

Ratings

Unit

Vcc

+6.0

V

Supply voltage

Vee

-6.0

V

High output current

-

TBD

mA

Input voltage

-

TBD

V

Storage temperature

Tstg

-40 to +85

°

C

Operating case temperature

Tc

class 1:-5 to +75

class 2:-40 to +85

°

C

Soldering Temperature

-

+260

°

C

Soldering Time

-

10

sec

Relative humidity(non condensation)

-

10 to 80

%

Fiber bend radius

-

32

mm

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

ELECTRICAL/OPTICAL CHARACTERISTICS

  (T

LD

=25

°

C, unless otherwise noted)

All parameters are specified over the operating case temperature.

Measurement conditions are at 2488.32Mb/s +/-20ppm, NRZ PN2

23

-1 and 50% duty cycle data signal.

Vcc=+5.0V+/-5%, Vee=-5.2V+/-5%, and for Transmitter.

note : Vcc-Vee ; with Vcc at +5V Vee must be at 0V ; with Vee at -5.5V Vcc must be at 0V

note : Internally AC coupled with 50ohm internal termination

Transmitter

   class1 : -5

°

C to +75

°

C    class2 : -40

°

C to +85

°

C

Parameters

Condition

Symbol

Min.

Typ.

Max.

Unit

Supply voltage

note 1

-

4.75

5.0

5.5

V

Power consumption

total

-

-

0.8

2.0

W

Input sensitivity data and clock voltage

note 2,3

SV

0.6

0.8

1.0

Vpp

Normalized back face voltage

note 5

-

-

500

-

mV

Monitor bias voltage

note 5

-

-

20

-

mV/mA

Logic level

note 4

-

TTL compatible

-

      note 1: Vcc-Vee ; with Vcc at +5V Vee must be at 0V ; with Vee at -5.5V Vcc must be at 0V

      note 2: Internally AC coupled with 50ohm internal termination

      note 3: This sensitivity is achieved by applying at minimum either a 0.6Vpp signal on one input while

           the other input is tied to ground or by applying two complementary 0.3Vpp signal on both inputs.

      note 4: when Vcc at +5V and Vee at 0V

      note 5: This voltage is measured taking Vee as reference.

Receiver

   class1 : -5

°

C to +75

°

C    class2 : -40

°

C to +85

°

C

Parameters

Condition

Symbol

Min.

Typ.

Max.

Unit

Positive supply voltage

-

4.75

5.0

5.25

V

Negative supply voltage

if equired

-

-5.5

-5.2

-4.94

V

Power consumption

total

-

-

1.3

3

W

Output data and clock voltage single ended

SV

0.3

0.4

1

Vpp

Output data and clock voltage differential

DV

0.6

0.8

2

Vpp

Jitter generation

GR-253/ITU-T G958

Ulrms

Jitter tolerance

GR-253/ITU-T G958

Ulpp

Jitter transfer peaking

-

GR-253/ITU

dB

Logic output level

note 6

-

TTL compatible

-

  note 6: At the moment the jitter bandwidth performance according GR-253/ITU-T G958 is not met atthe receiver interface level.

              Additional clock filtering is supposed to be done at lower data rates.

              Jitter transfer bandwidth will be defined at this level which is a parameter of the whole network element and not of the

              receiver element.

              A further version is under investigation to met simultaneously all the GR-253/ITU-T G958 jitter specifications at the

              physical interface level.

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

OPTICAL CHARACTERISTICS

cond.

symb.

Min.

Typ.

Max.

Min

Typ.

Max

ITU-T/SONET

-

-

S-16.1/IR-1

L-16.1/LR-1

-

Optical budget

note7

-

0

-

12

10

-

24

dB

Transmitter

Center wavelength

-

-

1270

1310

1360

1280

1310

1335

nm

Optical source

-

-

SLM

SLM

-

Optical output power

note8

S

nom

-4.5

-2

0

-1.5

0

+3

dBm

Shutdown optical power

-

Sidle

-

-50

-40

-

-50

-40

dBm

Spectral width

note9

-

-

0.3

1

-

0.3

1

nm

SMSR

-

-

30

-

-

30

-

-

dB

Extinction ratio

note10

ER

8.2

-

-

8.2

-

-

dB

Dispersion

-

-

100

-

-

250

-

-

ps/nm

maximum return loss

-

-

-

-

24

-

-

24

dB

Receiver

Receiver sensitivity

note11

note12

R

sen

-

-20.5

-18.5

-

-29.5

-27.5

dBm

Receiver overload

note13

R

ovr

0

+1

-

-8

-7

-

dBm

Path penalty

-

-

-

0.2

1

-

0.2

1

dB

Maximum reflectance

-

-

-

-

-27

-

-

-27

dB

cond.

Symb.

Min.

Typ.

Max.

Min

Typ.

Max

ITU-T/SONET

-

-

L-16.1/LR-2

V-16.2

-

Optical budget

note7

-

10

-

24

22

-

33

dB

Transmitter

Center wavelength

-

-

1500

1530

1580

1530

1545

1565

nm

Optical source

-

-

SLM

SLM

-

Optical output power

note8

S

nom

-1.5

0

+3

-4.5

0

+3

dBm

Shutdown optical power

-

Sidle

-

-50

-40

-

-50

-40

dBm

Spectral width

note9

-

-

0.3

1

-

0.3

0.8

nm

SMSR

-

-

30

-

-

30

-

-

dB

Extinction ratio

note10

ER

8.2

-

-

8.2

-

-

dB

Dispersion

-

-

1600

-

-

2400

-

-

ps/nm

maximum return loss

-

-

-

-

24

-

-

24

dB

Receiver

Receiver sensitivity

note11

note12

R

sen

-

-30.5

-28.5

-

-27.5

-25.5

dBm

Receiver overload

note13

R

ovr

-8

-7

-

-9

-8

-

dBm

Path penalty

-

-

-

1.3

2

-

1.5

2

dB

Maximum reflectance

-

-

-

-

-27

-

-

-27

dB

note7:The V-16.2 version is adapted to standard 10dBm to 13dBm EDFA optical bandwidth.

note8:Measured at the connector interface. Provision of 0.5dB is taken for S point measurement.

note9:The maximum full width of the central wavelength peak, measured 20dB down from maximum amplitude

          under modulation condition PRBS 2

23

-1.

note10:Measured at the connector interface under modulation condition PRBS 2

23

-1.

note11:Measured at BER 10

-10

.

note12:Provision of 0.5dB is taken for R point measurement if SMF fiber is used.

Note13:The device must not be damaged when this optical power is applied to the optical input.

             The device is not meant to operate at such an optical input power.

             All min and max. parameters are specified End-of-Life within the overall relevant operating temperature range.

             The typical values are referenced to +25deg.C ,nominal power supply, beginning of life.

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

ORDERING INFORMATION

            

Transmitter

Part number

ITU-code

Optical connector type

MF-2500DS-T12-180

S-16.1

FC

MF-2500DS-T12-181

S-16.1

SC

MF-2500DS-T12-190

L-16.1

FC

MF-2500DS-T12-191

L-16.1

SC

MF-2500DS-T12-200

L-16.2

FC

MF-2500DS-T12-201

L-16.2

SC

MF-2500DS-T12-210

V-16.2

FC

MF-2500DS-T12-211

V-16.2

SC

           

 Receiver

Part number

ITU-code

Optical connector type

MF-2500DS-R13-180

S-16.1

FC

MF-2500DS-R13-181

S-16.1

SC

MF-2500DS-R14-190

L-16.1

FC

MF-2500DS-R14-191

L-16.1

SC

MF-2500DS-R14-200

L-16.2

FC

MF-2500DS-R14-201

L-16.2

SC

MF-2500DS-R14-210

V-16.2

FC

MF-2500DS-R14-211

V-16.2

SC

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

PIN ALLOCATION

Transmitter pin allocation

No.

Symbol

Description

No.

Symbol

Description

1

VEE

Negative power supply ****

24

VCC

Positive power supply ****

2

BACK(+)

Monitoring for back fact current

23

GND

Ground

3

BIAS(+)

Monitoring for LD current

22

Cki-

False clock input

4

SDC

Shut Down Command ***

21

GND

Ground

5

SELC

Clock mode select **

20

Cki+

True clock input *

6

GND

Ground

19

GND

Ground

7

NUC

No user connection

18

Di-

False data input

8

LDA

Laser Degrade Alarm *****

17

GND

Ground

9

NUC

No user connection

16

Di+

True data input

10

NUC

No user connection

15

GND

Ground

11

GND

Ground

14

NUC

No user connection

12

VEE

Negative power supply ****

13

VCC

Positive power supply ****

*: The falling edge of Cki clock input signal is at the Di data eye pattern crossing point.

        **: When open (or low) the module is in the operating mode. When high the module operates in non

            clocked mode.

       ***: When high the module in the shut down mode (no optical output power).

             When open (or low) the module is in the operating mode.

      ****: Vcc-Vee; with Vcc at +5V Vee must be at 0V; with Vee at -5.5V Vcc must be at 0V

     *****: When provided a digital alarm indicates that the laser is degraded.

             The active level is a low level.

             This pin must be teidto Vcc through a 100k ohm resistor when the digital alarm is not proved

Receiver pin allocation

No.

Symbol

Description

No.

Symbol

Description

1

HV / NIC

High Voltage *

24

NUC

No user connection

2

NUC

No user connection

23

OILV / NIC

Optical Input Light Voltage ##

3

LPA

Loss of Power Alarm ***

22

VCC

Positive power supply

4

GND

Ground **

21

NUC

No user connection

5

Cko-

False clock output

20

GND

Ground **

6

Cko+

True clock output

19

GND

Ground **

7

GND

Ground **

18

VEE

Negative power supply

8

VCC

Positive power supply

17

GND

Ground **

9

GND

Ground

16

GND

Ground **

10

Do+

True data output

15

GND

Ground **

11

Do-

False data output

14

GND

Ground **

12

GND

Ground **

13

DTV / NIC

Decision Threshold Voltage #

  *: This pin is Not Internally Connected(NIC) in case of the high voltage generator is inside the module.

     **: Package is at same potential as GND .

    ***: LPA output is a logic level that indicates the presence or absence of a sufficient optical input level.

          A logical high level indicates an input optical level too low.

      #: This pen is not internally connected if the amplitude decision threshold is not made adjustable.

    ##: This pen is not internally connected if the Optical Input Light Voltage functionality is not provided.

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

GENERAL OUTLINE DRAWING

NOTE:TOLERANCES UNLESS NOTED +/-0.5

     DIMENSIONS ARE IN MILLIMETERS

Transmitter

Receiver

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

BLOCK DIAGRAM

 Alarm

PLL

DATAout

DATAout

CLKout

CLKout

Signal Detect

OPT. IN

Receiver

Decider

Clock recovery IC

 Amp

 Preamp

APD/PD-Preamp Module

APD/PD

LD Module

 Driver IC

A.P.C

DATAin

CLOCKin

APC IC

PD

LD

: integrated device

OPT. OUT

Transmitter

VCC

VCC

Modulation

Control

DC/DC

 APD Control

 in case of APD version

DRIVER IC

AGC Amp

DATAin

CLOCKin

SELC

Monitoring for back

face current

Monitoring for LD current

Laser Degrade Alarm

SDC

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

NOTE

NOTE1: Input interface

NOTE2: Shut Down Command interface

NOTE3: Laser bias / Laser backface monitor interface

Data

Data

50ohm

Transmitter

VBB

AC Coupled 

Interface

TTL

Transmitter

comparator

Td

The transmitter is normally enabled and only requires

 an external voltage to disable.

Signal detect

H

L

Optical signal

OFF

ON

LD Module

Laser backface

current monitor

A.P.C

Laser bias

current monitor

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MITSUBISHI (OPTICAL DEVICES)

MF-2500DS-T12-18x/19x/20x/21x

MF-2500DS-R13-18x

MF-2500DS-R14-19x/20x/21x

SONET/SDH TRANSMITTER & RECIEVER

NOTE4: Output interface

NOTE5: Data and Clock relationship

TBD

NOTE6: Signal detect interface

Receiver

Data / Clock

50ohm

Data / Clock

LVPECL

Receiver

TTL

Signal detect

Signal detect

Optical signal

OFF

ON

H

L