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DTR-1250-SM-GB-H8-HS-

CWDM-MR

Multi-rate 5V Very Long Haul CWDM

GBIC Transceivers

Features

Up to 120km with Single Mode Fiber

APD Receiver

Eight (8) Wavelength CWDM Transceivers

Compliant with GBIC Specification, Rev. 5.5

Compatible with IEEE 802.3z 1000BASE-LX

Specifications for Gigabit Ethernet

Compatible with 1.062GBd Fibre Channel

100-SM-LC-L FC-PI Standards

Compatible with Optical Interface Requirements in

Annex F of GBIC Specification, Rev. 5.5

Compliant with GBIC Serial Module Definition

Protocol (Module Definition 4 in Annex D)

Hot-pluggable

Excellent EMI & ESD Protection

Eye Safe (Class I and 1M Laser Safety)

Duplex SC Optical Interface

Description

The DTR-1250-SM-GB-H8-HS-CWDM-MR product

family of multi-rate GBICs provides a very long haul,

single mode solutions for 1000BASE-LX Gigabit Ethernet

and 1.062GBd Fibre Channel ports in a networking

switch. The transceivers are designed to support data rates

ranging from 1250Mb/s down to 125Mb/s and are available

in eight (8) wavelengths: 1470nm, 1490nm, 1510nm,

1530nm, 1550nm, 1570nm, 1590nm and 1610nm. The

transceivers use a 1550nm DFB laser and an ultra high

sensitivity Avalanche Photodiode (APD) receiver to provide

a minimum optical link power budget of 33dB which

corresponds to a transmission distance of 120km, assuming

a total connector/splice/CWDM mux and demux loss of

4.6dB, allocated system penalty of 2dB and fiber loss of

0.22dB/km. All transceivers are Class I Laser products per

U.S. FDA/CDRH and Class 1M Laser products per

international IEC-60825 standards.

The DTR-1250-SM-GB-H8-HS-CWDM-MR transceivers

connect to standard 20-pad GBIC connectors for hot plug

capability. This allows the system designer to make

configuration changes or maintenance by simply plugging

in different types of GBICs without removing the power

supply from the host system.

The transceivers operate from a single +5V power supply

over an operating case temperature range of -5°C to +70°C.

Absolute Maximum Ratings

Parameter

Storage Temperature

Operating Case Temperature

Supply Voltage

Maximum Input Optical Power (30 seconds max.)

Symbol

in, max

Minimum

- 40

-5

Maximum

+ 85

+ 70

+ 7.0

+ 3.0

Units

°C

dBm

Optical Communication Products, Inc.

21737-0609, Rev. C

04/05/2006

DTR-1250-SM-GB-H8-HS-CWDM-MR

Transmitter Performance Characteristics

(over Operating Case Temperature,

= 4.75 to 5.25V)

Parameter

Operating Data Rate

Optical Output Power

1470

1490

1510

Center Wavelength

1530

1550

1570

1590

1610

Spectral Width (-20dB)

Extinction Ratio

Transmitter Disabled Optical Output Power

Deterministic Jitter

Total Jitter

Relative Intensity Noise

Dispersion Penalty

Transmitter Output Eye

Symbol

Minimum

125

+ 0.5

1464

1484

1504

1524

1544

1564

1584

1604

Typical

1470

1490

1510

1530

1550

1570

1590

1610

Maximum

1250

+ 5.0

1477.5

1497.5

1517.5

1537.5

1557.5

1577.5

1597.5

1617.5

1.0

- 35.0

227

- 120

2.0

Units

Mb/s

dBm

∆λ

dis

RIN

9.0

dBm

dB/Hz

Compliant with IEEE 802.3z & FC-PI Eye Mask

Measured average power coupled into single mode fiber with 2

-1 PRBS at 1250Mb/s.

Except for Fast Ethernet (125Mb/s) which is 8.2dB minimum.

Specified at 2400ps/nm dispersion, which corresponds to the approximate worst-case dispersion for 120km G.652 fiber over the wavelength

range of 1464 to 1617.5nm.

Receiver Performance Characteristics

(over Operating Case Temperature,

= 4.75 to 5.25V)

Parameter

Operating Data Rate

Minimum Input Optical Power

(10

-12

BER)

1250, 1062 &125Mb/s

Symbol

min

max

los+

los-

t_loss_off

t_loss_on

ORL

Minimum

125

- 32.5

- 10.0

- 45.0

2.3

0.5

1260

Typical

Maximum

1250

- 32.5

100

170

266

1620

1500

Units

Mb/s

dBm

µs

MHz

Maximum Input Optical Power (10

-12

BER)

RX_LOS Thresholds

RX_LOS Timing Delay

RX_LOS Hysteresis

Deterministic Jitter

Total Jitter

Wavelength of Operation

Optical Return Loss

Electrical 3dB Upper Cutoff Frequency

Increasing Light Input

Decreasing Light Input

Increasing Light Input

Decreasing Light Input

Measured with 2

-1 PRBS.

Laser Safety:

All transceivers are Class I Laser products

per FDA/CDRH and Class 1M Laser products per IEC-60825

standards. They must be operated under specified operating

conditions.

Optical Communication Products, Inc.

DATE OF MANUFACTURE:

MANUFACTURED IN THE USA

This product complies with

21 CFR 1040.10 and 1040.11

Meets Class I Laser Safety Requirements

21737-0609, Rev. C

04/05/2006

DTR-1250-SM-GB-H8-HS-CWDM-MR

Transmitter Electrical Interface

(over Operating Case Temperature,

= 4.75 to 5.25V)

Parameter

Input Voltage Swing (+TX_DAT & -TX_DAT)

Input HIGH Voltage (TX_DISABLE)

Input LOW Voltage (TX_DISABLE)

Output HIGH Voltage (TX_FAULT)

Output LOW Voltage (TX_FAULT)

Symbol

PP-DIF

Minimum

0.65

- 0.5

Typical

Maximum

2.0

+ 0.3

0.5

+ 0.3

0.5

Units

Differential peak-to-peak voltage.

There is an internal 5.1kΩ pull-up resistor to

VDDT.

Open collector compatible, 4.7 to 10kΩ pull-up resistor to

VCC

(Host Supply Voltage).

Receiver Electrical Interface

(over Operating Case Temperature,

= 4.75 to 5.25V)

Parameter

Output Voltage Swing (+RX_DAT & -RX_DAT)

Output HIGH Voltage (RX_LOS)

Output LOW Voltage (RX_LOS)

Symbol

PP-DIF

Minimum

0.60

- 0.5

Typical

Maximum

2.0

+ 0.3

0.5

Units

Differential peak-to-peak voltage across external 150Ω load.

Open collector compatible, 4.7 to 10kΩ pull-up resistor to

VCC

(Host Supply Voltage).

Electrical Power Supply Characteristics

(over Operating Case Temperature,

= 4.75 to 5.25V)

Parameter

Supply Voltage

Supply Current

Symbol

Minimum

4.75

Typical

5.0

230

Maximum

5.25

300

Units

Module Definition

Module

Definition

MOD_DEF(0)

pin 4

TTL LOW

MOD_DEF(1)

pin 5

SCL

MOD_DEF(2)

pin 6

SDA

Interpretation by Host

Serial module definition protocol

Pin Assignments

FUNCTION

RX_LOS (RX LOSS OF SIGNAL)

RGND (RX GROUND)

MOD_DEF(0)

MOD_DEF(1)

MOD_DEF(2)

TX_DISABLE

TGND (TX GROUND)

TX_FAULT

FUNCTION

RGND (RX GROUND)

-RX_DAT (RX DATA OUT-)

+RX_DAT (RX DATA OUT+)

RGND (RX GROUND)

VDDR (RX SUPPLY VOLTAGE)

VDDT (TX SUPPLY VOLTAGE)

TGND (TX GROUND)

+TX_DAT (TX DATA IN+)

-TX_DAT (TX DATA IN-)

TGND (TX GROUND)

21737-0609, Rev. C

04/05/2006

DTR-1250-SM-GB-H8-HS-CWDM-MR

Example of host board schematic

TTL LOW

(internally connected to GND)

H coil or ferrite bead

(<0.2

Ω

series resistance)

SCL

SDA

0.1

VCC (HOST)

4.7 - 10kΩ

TX_FAULT

VDD

(5V)

0.1

RX_LOS

GBIC

Ω

line

+TX_DAT

Ω

line

-TX_DAT

TX_DISABLE

2,3,8,9,11,14,17,20

Ω

line

+RX_DAT

to 75

Ω

load

Ω

line

-RX_DAT

to 75

Ω

load

Application Notes

Connection of the GBIC transceiver to the host system:

The

GBIC’s 20-pad connector and two guide tabs connected to the

transceiver’s circuit ground connect the GBIC to the host

system. The two ground tabs make contact to the host circuit

ground before the connector pad and discharge any possible

component-damaging static electricity. Additionally, surge

currents are eliminated by using a special slow start circuit

and two-stage contact sequence where operational signals

and grounds make contact prior to the power supply (as

specified in the GBIC specification, Rev. 5.5).

Electrical interface:

All signal interfaces are compliant with

the GBIC specification, Rev. 5.5. The high speed DATA

interface is differential AC-coupled and can be directly

connected to either a 5V or 3.3V SERDES IC. All low speed

control and sense input/output signals are open collector TTL

compatible and should be pulled up with a 4.7 - 10kΩ resistor

on the host board.

RX_LOS:

The RX LOSS OF SIGNAL circuit monitors the level

of the incoming optical signal and generates a logic HIGH

when an insufficient photocurrent is produced.

TX_FAULT:

The output indicates LOW when the transmitter

is operating normally, and HIGH when the transmitter or laser

current is excessive. TX_FAULT is an open collector/drain

output and should be pulled up with a 4.7 - 10kΩ resistor on

the host board.

TX_DISABLE:

When the TX_DISABLE pin is at logic HIGH,

the transmitter optical output is disabled (less than -35dBm).

Serial Identification:

The DTR-1250-SM-GB-H8-HS-CWDM-

MR transceivers are compliant with Annex D (Module

Definition 4) of the GBIC specification, Rev. 5.5, which defines

the Serial Identification Protocol.

The module definition of GBIC is indicated by the three

module definition pins, MOD_DEF(0), MOD_DEF(1) and

MOD_DEF(2). Module Definition 4 specifies a serial definition

protocol with a two-wire I

C serial interface; upon power up,

MOD_DEF(1:2) appear as NC (no connection), and

MOD_DEF(0) is TTL LOW. When the host system detects

this condition, it activates the serial protocol and generates

the serial clock signal (SCL). The negative edge clocks data

from the GBIC EEPROM.

The serial data signal (SDA) is for serial data transfer. The host

uses SDA in conjunction with SCL to mark the start and end of

serial protocol activation.

The data transfer protocol and the details of the mandatory

and vendor specific data structures are defined in Annex D of

the GBIC specification, Rev. 5.5.

Power supply and grounding:

The power supply line should

be well-filtered. All 0.1µF power supply bypass capacitors

should be as close to the GBIC transceiver module as possible.

21737-0609, Rev. C

04/05/2006

DTR-1250-SM-GB-H8-HS-CWDM-MR

Package Outline

.500 12.70

.000

.473

12.01

- .006

- 0.15

1.53 38.96

1.00 25.40

.004

0.10

.046

1.17

-.000

.35 8.89

2 X .04 1.07

.322 8.18

.533 MAX

2.28 MAX

.000

1.200

30.48

- .006

- 0.15

.120 .001 3.05 0.03

PIN 10

PIN 1

.001

0.03

.063

1.60

- .003

- 0.08

.004

0.10

.394

10.01

- .006

- 0.15

PIN 20

1.090 27.69

GUIDE SLOT WIDTH

Dimensions in inches [mm]

Default tolerances:

.xxx = + .005”, .xx = + .01”

Ordering Information

Model Name

DTR-1250-SM-GB-H8-HS-C470-MR

DTR-1250-SM-GB-H8-HS-C490-MR

DTR-1250-SM-GB-H8-HS-C510-MR

DTR-1250-SM-GB-H8-HS-C530-MR

DTR-1250-SM-GB-H8-HS-C550-MR

DTR-1250-SM-GB-H8-HS-C570-MR

DTR-1250-SM-GB-H8-HS-C590-MR

DTR-1250-SM-GB-H8-HS-C610-MR

Operating

Temperature

- 5°C to +70°C

Nominal

Wavelength

1470nm

1490nm

1510nm

1530nm

1550nm

1570nm

1590nm

1610nm

Optical Link

Power Budget

33dB

Distance

1, 2

120km

The indicated transmission distance is for guidelines only, not guaranteed. The exact distance is dependent on the fiber loss, connector/splice/

CWDM mux and demux loss and allocated system penalty. Longer distances can be supported if the optical link power budget is satisfied.

Assuming a total connector/splice/CWDM mux and demux loss of 4.6dB, allocated system penalty of 2dB and fiber loss of 0.22dB/km.

Optical Communication Products, Inc.

6101 Variel Avenue, Woodland Hills, CA 91367, Tel.: 818-251-7100, FAX: 818-251-7111, www.ocp-inc.com

Optical Communication Products, Inc. reserves the right to make changes in equipment design or specifications without notice. Information supplied by Optical Communication

Products, Inc. is believed to be accurate and reliable. However, no responsibility is assumed by Optical Communication Products, Inc. for its use nor for any infringements of

third parties which may result from its use. No license is granted by implication or otherwise under any patent right of Optical Communication Products, Inc.

2006, Optical Communication Products, Inc.

21737-0609, Rev. C

04/05/2006