GO2953-3155CH - Gennum Corp.

GO2953

CWDM DUAL OPTICAL TRANSMITTER MODULE

Datasheet name: GO2953_57452_doc1.pdf

Contact information: info@embrionix.com

www.embrionix.com

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GO2953 CWDM Dual Optical Transmitter

Data Sheet

57452 - 1 April 2012

GO2953 CWDM Dual Optical Transmitter

www.gennum.com

Features

• Robust error free transmission of signals from 50Mbps

to 3Gbps

• Up to 50km reach in a 3Gbps CWDM installation

• Available wavelengths: 1270nm ~ 1610nm, 20nm

spacing

• Supports video pathological patterns for SD-SDI,

HD-SDI and 3G-SDI

• Hot-pluggable

• Two independent laser disable pins

• Digital diagnostics and control via I2C interface

including:

Monitoring laser bias current, average output

power, supply voltage and temperature

Alarm reporting with self shut down when

transmitter is at fault

Module ID polling

• Single +3.3V power supply

• Low power consumption — typically 680mW

• RoHS compliant

• Operating temperature range: 0°C to 70°C

• 56.5mm x 13.4mm x 8.6mm SFP Package

• SMPTE 297-2006 compatible

Applications

• SMPTE 297-2006 compatible electrical-to-optical

interfaces

• High-density video routers

Description

The GO2953 is a dual channel CWDM optical transmitter

module designed to transmit optical serial digital signals as

defined in SMPTE 297-2006. The GO2953 is specifically

designed for robust performance in the presence of SDI

pathological patterns for SMPTE 259M, SMPTE 344M,

SMPTE 292M and SMPTE 424M serial rates.

The GO2953 contains two independent DFB laser

transmitters, each designed to provide error-free

transmission of signals from 50Mbps to 3Gbps. The GO2953

is hot-pluggable with typical power consumption of

680mW using a single power supply of +3.3V.

The GO2953 provides extensive operational status

monitoring through an I2C interface. For each transmitter

channel, output optical power and bias current are

monitored. Other operating conditions such as supply

voltage and operating temperature are also monitored. If a

parameter monitored is outside the pre-defined range, the

alarm flag associated with the parameter will be raised.

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Revision History

Contents

Features.................................................................................................................................................................1

Description...........................................................................................................................................................1

Revision History .................................................................................................................................................2

1. Functional Block Diagram..........................................................................................................................3

2. Pin Specifications ..........................................................................................................................................4

2.1 Pin Configuration .............................................................................................................................4

2.2 Pin Descriptions ................................................................................................................................4

2.3 Host Board Power Supply Requirements .................................................................................5

2.4 Optical Connector Requirements ................................................................................................6

3. Product Specifications .................................................................................................................................7

3.1 Absolute Maximum Ratings ..........................................................................................................7

3.2 Optical Performance Specifications ...........................................................................................7

3.3 DC Electrical Specifications ..........................................................................................................9

3.4 AC Electrical Specifications ..........................................................................................................9

3.5 Supporting Circuit Specifications ............................................................................................ 10

3.5.1 In-Rush Current Control Circuit ................................................................................... 10

3.5.2 Digital Diagnosis ................................................................................................................ 10

4. Application Reference Design ............................................................................................................... 17

4.1 Typical Application Circuit ........................................................................................................ 17

5. References and Relevant Standards .................................................................................................... 18

6. Package Information ................................................................................................................................. 19

6.1 Package Dimensions ..................................................................................................................... 19

6.2 PCB Layout Recommendations .................................................................................................20

6.3 Marking Information .................................................................................................................... 21

6.4 Ordering Information ................................................................................................................... 22

Version ECR Date Changes and/or Modifications

0 157039 November 2011 New document.

1 157987 April 2012 Updated extinction ratio in Table 3-2.

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1. Functional Block Diagram

Figure 1-1: GO2953 Functional Block Diagram

I2C Bus

Feedback

1270 - 1610nm

Digital

Diagnostics

Laser

Driver

Tx1_Disable

Differential Electrical

Input

Tx provision and

analog maintenance

TOSA_1

Laser + PINmon

Tx2_Disable TOSA_2

Laser + PINmon

Feedback

1270 - 1610nm

Laser

Driver

Differential Electrical

Input

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2. Pin Specifications

2.1 Pin Configuration

Figure 2-1: Pin Configuration for GO2953

2.2 Pin Descriptions

Towards

Bezel

Towards

ASIC

VEE

I2C CLK

VEE

I2C DATA

VEE

TD2+

TD2-

TX2_DIS

TX1_DIS

TD1-

TD1+

VEE

VCC_TX2

VCC_TX1

Table 2-1: Pin Descriptions

Number Name Typ e Description

1 VEE Ground Ground connection

2 NC No Connect No Connection

3 NC No Connect No Connection

4 VEE Ground Ground connection

5I2C CLK Digital (Input) I2C Clock

6I2C DATA Digital

(Bi-Directional)

I2C Data

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2.3 Host Board Power Supply Requirements

The host board is required to provide a regulated and filtered power supply of 3.3V +/-

5% V for the GO2953 via the on board SFP connector. The host board is required to filter

the VCC_TX power supply as recommended by the SFP MSA. Figure 2-2 shows the

recommended board supply filtering. When the host board is loaded with a resistive

load in place of the SFP module and sourcing the maximum rated current, the

peak-to-peak power supply noise measured on the SFP connector should comply to

Table 2-2.

7 VEE Ground Ground connection

8 TD2+ Input Positive Differential Input. Internally

AC-coupled.

9 TD2- Input Negative Differential Input. Internally

AC-coupled.

10 TX2_Dis Digital (Input) Transmitter Disable. The bias current and

modulation current are turned off if

TX2_DIS = HIGH. Internal 4.7kΩ pull-up.

11 VEE Ground Ground connection

12 NC No Connect No Connection

13 NC No Connect No Connection

14 VEE Ground Ground connection

15 VCC_TX2 Power Transmitter Power Supply

16 VCC_TX1 Power Transmitter Power Supply

17 VEE Ground Ground connection

18 TD1+ Input Positive Differential Input. Internally

AC-coupled.

19 TD1- Input Negative Differential Input. Internally

AC-coupled.

20 TX1_Dis Digital (Input) Transmitter Disable. The bias current and

modulation current are turned off if

TX1_DIS = HIGH. Internal 4.7kΩ pull-up.

Table 2-1: Pin Descriptions (Continued)

Number Name Typ e Description

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Figure 2-2: Recommended Host Board Supply Filtering

2.4 Optical Connector Requirements

An LC connector with PC/UPC polish is required for each port.

Table 2-2: Host Board Power Supply Noise Requirement at VCCR

Frequency (MHz) Peak-to-Peak Noise Amplitude (%)

0.02-1 2

1-10 3

VCC_Tx1

VCC_Tx2

GO2953

0.1µF

0.1µF10µF0.1µF10µF

1µH

Host Board

3.3V

10µF

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3. Product Specifications

3.1 Absolute Maximum Ratings

Table 3-1 lists the absolute maximum ratings for the GO2953. Conditions exceeding the

limits listed may cause permanent damage to the device. This is a stress rating only and

functional operation of the device at these or any other conditions above those listed in

the operational sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

3.2 Optical Performance Specifications

Table 3-2 lists the optical performance specifications for the GO2953.

Table 3-1: Absolute Maximum Ratings

Parameter Conditions Value/Units

Supply Voltage – 4V

Operating Case Temperature – -20°C < TCASE < 80°C

Storage Temperature – -40°C < TSTG < 100°C

ESD tolerance on all pins – 1 kV HBM

Relative Humidity

(non-condensing)

– 5% - 95% RH

Table 3-2: Optical Performance Specifications

Parameter Symbol Condition Min Ty p Max Units Notes

System

Wavelength λ– X-6.5 X X+6.5 nm 2

Spectral Line Width – – – 0.2 1 nm –

Average Optical Output

Power

POUT – 0 +2.5 +5 dBm –

Extinction Ratio ER – 8 – – dB –

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Optical Signal Intrinsic Jitter – Measured with PRBS

223-1 and colour bar

test signal at

2.97Gbps, 1.485Gbps,

270Mbps

–4060ps3

SMPTE 424M

2.97Gbps

Pathological

–5090ps3

SMPTE 292M

1.485Gbps

Pathological

– 60 120 ps 3

SMPTE 259M

270Mbps

Pathological

– 110 200 ps 3

Optical Signal Rise Time

(20% to 80%)

trSMPTE 424M

2.97Gbps

– 130 180 ps 3

SMPTE 292M

1.485Gbps

– 175 270 ps 3

SMPTE 259M

270Mbps

– 300 800 ps 3

Optical Signal Fall Time

(20% to 80%)

tfSMPTE 424M

2.97Gbps

– 130 180 ps 3

SMPTE 292M

1.485Gbps

– 175 270 ps 3

SMPTE 259M

270Mbps

– 300 800 ps 3

NOTES:

1. Outside the specified range, performance is not guaranteed.

2. X = Centre Wavelength: 1271, 1291, 1311, 1331, 1351, 1371, 1391, 1411, 1431, 1451, 1471, 1491, 1511, 1531, 1551, 1571, 1591 &

1611nm

3. Measured following a fourth-order Bessel-Thompson filter with a bandwidth of 0.75 x clock frequency corresponding to the serial data rate.

Table 3-2: Optical Performance Specifications (Continued)

Parameter Symbol Condition Min Ty p Max Units Notes

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3.3 DC Electrical Specifications

Table 3-3 lists the DC electrical specifications for the GO2953.

3.4 AC Electrical Specifications

Table 3-4 lists the AC electrical specifications for the GO2953.

Table 3-3: DC Electrical Specifications

Parameter Symbol Condition Min Ty p Max Units Notes

System

Operating Temperature

Range

TCASE –0–70°C1,3

Power Supply Voltage VCC – 3.13 3.3 3.47 V 1,3

Total Power Consumption – – – 650 1000 mW 3

Input Data Amplitude – – 0.2 – 1.2 Vpp 2,3

Laser

Laser Bias Current

Monitoring Accuracy

––-1–+1dB3

Laser Power Monitoring

Accuracy

––-1–+1dB3

NOTES:

1. Outside the specified range, performance is not guaranteed.

2. AC coupled 50Ω single-ended termination.

3. Specifications apply at the beginning of life.

Table 3-4: AC Electrical Specifications

Parameter Symbol Condition Min Max Units

Bit Rate BR – 50 3000 Mbps

Tx_Disable Assert Time t_off Time from rising edge of TX_DIS to when the

optical output falls below 10% of nominal

–10μs

Tx_Disable Negate Time t_on Time from falling edge of TX_DIS to when the

modulated optical output rises above 90% of

nominal

–1ms

Time to Initialize t_init From power on – 300 ms

Serial ID Clock Rate f_serial_clock – – 400 kHz

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3.5 Supporting Circuit Specifications

3.5.1 In-Rush Current Control Circuit

Due to the hot-pluggable requirement, the GO2953 has built-in circuits to limit the

in-rush current upon hot insertion. The specifications of the in-rush limiting circuits are

summarized in Table 3-5.

3.5.2 Digital Diagnosis

3.5.2.1 I2C Bus Interface

The I2C bus interface uses the 2-wire serial CMOS E2PROM protocol. The serial interface

meets the following specifications:

1. Support a maximum clock rate of 400kHz.

2. Input/Output levels comply with LVCMOS/LVTTL or compatible logics.

Low: 0 – 0.8V

High: 2.0 – 3.3V

Undefined: 0.8 – 2.0V

3.5.2.2 Serial Interface Memory Map

Module identification and diagnostic information is accessible through the address map

shown in Table 3-6. Block addresses starting with the letter ‘A’ refer to Channel 1 and

block addresses starting with the letter ‘B’ refer to Channel 2.

Table 3-5: In-rush Current Limiting Circuits Specifications

Parameter Value

Max. In-rush current ramp rate 50mA/ms

Max. In-rush current 30mA over steady state

Table 3-6: Serial Interface Memory Map

Address Size Name Description and Value of the Field

Base ID Fields

(Block Address: A0h)

0 1 Identifier Type of serial transceiver. 81h

1 1 Ext. Identifier Extended identifier of type of serial

transceiver. 04h

2 1 Connector Code for connector type. 07h for LC

connectors.

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3 1 Standards

Compliance

41h, for SMPTE259M/344M/292M/424M and

SMPTE 297.

4-10 8 Transceiver Code Code for electronic compatibility or optical

compatibility. Not applicable for GO2953.

11 1 Encoding Code for serial encoding algorithm. Value:

03H for NRZ.

12 1 BR, Nominal Nominal bit rate, units of 100Mbps, 1Eh for

3Gbps.

13 1 Reserved Xxh

14 1 Length(9mm) -

Link length supported for standard SMF,

units of km, 32h for 50km.

15 1 Length(9mm) Link length supported for standard SMF,

units of 100 m, 00h

16 1 Length (50mm) Link length supported for 50/125mm fiber,

units of 10m. 00h

17 1 Length (62.5mm) Link length supported for 62.5/125mm fiber,

units of 10m. 00h

18 1 Length (Copper) Link length supported for copper, units of

meters. 00h

19 1 Reserved Xxh

20-35 16 Vendor name SFP with OM transceiver vendor name

(ASCII). G E N N U M

20 1 G 47h

21 1 E 45h

22 1 N 4Eh

23 1 N 4Eh

24 1 U 55h

25 1 M 4Dh

26-35 10 – 20h for each byte

36 1 Reserved –

37-39 3 Vendor OUI SFP with OM transceiver vendor IEEE

company ID. 00 0A DF

40-55 16 Vendor PN Part number provided by SFP with OM

transceiver vendor. G O 2 9 5 3.

40 1 G 47h

41 1 O 4Fh

42 1 2 32h

43 1 9 39h

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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44 1 5 35h

45 1 3 33h

46 1 X Model dependent.

47 1 X Model dependent.

48 1 Y Model dependent.

49 1 Y Model dependent.

50 1 C 43h

51 1 H 48h

52-55 4 – 20h for each byte.

56-58 3 – Reserved

59 1 Vendor Rev Revision level for part number provided by

vendor.

60 1 Wavelength1 XX for the middle two digits of the

wavelength of Channel #1.

61 1 Wavelength2 YY for the middle two digits of the

wavelength of Channel #2.

62 1 Reserved Xxh

63 1 CC_BASE Check code for Base ID Fields (The value of

the lower 8 bits of the sum of the contents

from address 0 to 62).

64-65 2 Options Indicates which optional SFP with OM

signals are implemented.

64 1 – Xxh

65 1 – x001100xh

66 1 BR, max Upper bit rate margin, units of %, 5h.

67 1 BR, min Lower bit rate margin, units of %, 5Fh.

68-83 16 Vendor SN Serial number provided by vendor (ASCII)

84-85 2 Year Manufacturing date code (ASCII).

86-87 2 Month Manufacturing date code (ASCII).

88-89 2 Day Manufacturing date code (ASCII).

90-91 2 Blank –

92 1 Calibration flag 20h for calibrated average output power

93 1 – E0h, Enhanced alarm/warning flags.

94 1 Reserved Xxh

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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95 1 CC_EXT Check code for the Extended ID Fields (The

value of the lower 8 bits of the sum of the

contents from address 64 to 94)

96-255 160 Reserved –

Alarm and Warning Thresholds

(Block Address: A2h and B2h)

0-1 2 Temp High Alarm MSB at lower address. 70°C ambient

2-3 2 Temp Low Alarm MSB at lower address. 0°C ambient

4-5 2 Temp High

Warning

MSB at lower address. 65°C ambient

6-7 2 Temp Low

Warning

MSB at lower address. 5°C ambient

8-9 2 Supply Voltage

High Alarm

MSB at lower address. 3.6V

10-11 2 Supply Voltage

Low Alarm

MSB at lower address. 3.0V

12-13 2 Supply Voltage

High Warning

MSB at lower address. 3.47V

14-15 2 Supply Voltage

Low Warning

MSB at lower address. 3.14V

16-17 2 Laser Bias High

Alarm

MSB at lower address. 100mA.

18-19 2 Laser Bias Low

Alarm

MSB at lower address. 5mA.

20-21 2 Laser Bias High

Warning

MSB at lower address. 90mA.

22-23 2 Laser Bias Low

Warning

MSB at lower address. 10mA

24-25 2 Tx Power High

Alarm

MSB at lower address. 5.5dBm

26-27 2 Tx Power Low

Alarm

MSB at lower address. 0dBm

28-29 2 Tx Power High

Warning

MSB at lower address. 5dBm

30-31 2 Tx Power Low

Warning

MSB at lower address. 0.5dBm

32-95 65 Reserved. –

96 1 Temperature

MSB

Internally measured module temperature

97 1 Temperature LSB Internally measured module temperature

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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98 1 Vcc MSB Internally measured module supply voltage

99 1 Vcc LSB Internally measured module supply voltage

100 1 Laser Bias MSB Internally measured laser bias current.

101 1 Laser Bias LSB Internally measured laser bias current.

102 1 Tx Power MSB Internally measured Tx Power.

103 1 Tx Power LSB Internally measured Tx Power.

104-109 11 Reserved –

110 1 Tx Disable State Bit 7: State of TX_DIS input pin

Tx Disable Select Bit 6: Read/write bit that allows software

disable of laser. Writing “1” disables laser

Reserved Bit 5

Reserved Bit 4

Reserved Bit 3

Tx Fault Bit 2: State of TX_FAULT

N/A Bit 1

Data_Ready Bit 0

111 1 Conversion

Update

–

Temp Update Bit 7 goes to high after a temperature

update

Vcc Update Bit 6 goes to high after a Vcc update

Mon1 Update Bit 5 goes to high after a Tx bias current

update

Mon2 Update Bit 4 goes to high after a Tx power update

Mon3 Update Bit 3 goes to high after a Tx modulation

current update.

Reserved Bit 0 to Bit 2.

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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112 1 Temp High Alarm

Flag

Bit 7, set when the internal temperature

exceeds the high temp alarm threshold.

Temp Low Alarm

Flag

Bit 6, set when the internal temperature

goes below the low temp alarm threshold.

Supply Voltage

High Alarm Flag

Bit 5, set when the internal Vcc exceeds the

supply voltage high alarm threshold.

Supply Voltage

Low Alarm Flag

Bit 4, set when the internal Vcc goes below

the supply voltage low alarm threshold.

Laser Bias High

Alarm Flag

Bit 3, set when the monitored laser bias

current exceeds the laser bias high alarm

threshold.

Laser Bias Low

Alarm Flag

Bit 2, set when monitored laser bias current

goes below the laser bias low alarm

threshold.

Tx Power High

Alarm Flag

Bit 1, set when the monitored Tx power

exceeds the Tx power high alarm threshold.

Tx Power Low

Alarm Flag

Bit 0, set when monitored Tx power current

goes below the Tx power low alarm

threshold.

113 1 Mod Current

High Alarm Flag

Bit 7, set when the monitored laser

modulation current exceeds the laser bias

high alarm threshold.

Mod Current

Low Alarm Flat

Bit 6, set when monitored laser bias current

goes below the laser modulation low alarm

threshold.

Reserved Bit 0 - 5.

114-115 2 Reserved –

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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116 1 Temp High

Warning Flag

Bit 7, set when the internal temperature

exceeds the high temp warning threshold.

Temp Low

Warning Flag

Bit 6, set when the internal temperature

goes below the low temp warning

threshold.

Supply Voltage

High Warning

Flag

Bit 5, set when the internal Vcc exceeds the

supply voltage high warning threshold.

Supply Voltage

Low Warning

Flag

Bit 4, set when the internal Vcc goes below

the supply voltage low warning threshold.

Laser Bias High

Warning Flag

Bit 3, set when the monitored laser bias

current exceeds the laser bias high warning

threshold.

Laser Bias Low

Warning Flag

Bit 2, set when monitored laser bias current

goes below the laser bias low warning

threshold.

Tx Power High

Warning Flag

Bit 1, set when the monitored Tx power

exceeds the Tx power high warning

threshold.

Tx Power Low

Warning Flag

Bit 0, set when monitored Tx power current

goes below the Tx power low warning

threshold.

117 1 Mod Current

High Warning

Flag

Bit 7, set when the monitored laser

modulation current exceeds the laser bias

high alarm threshold.

Mod Current

Low Warning

Flag

Bit 6, set when monitored laser bias current

goes below the laser modulation low alarm

threshold.

Reserved Bit 0 - 5

118-127 10 Reserved –

Vendor Specific ID Fields

128-247 120 User Writeable

Area

–

248-255 8 Reserved –

Table 3-6: Serial Interface Memory Map (Continued)

Address Size Name Description and Value of the Field

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4. Application Reference Design

4.1 Typical Application Circuit

Figure 4-1 shows a typical application circuit for the GO2953.

Figure 4-1: Typical Application Circuit

Differential

10k

VCC_3V3 Differential

VCC_3V3

10uF

TD1+

TD1-

VCC_3V3

100nF

VEE

C CLK

C DATA

VEE

TD2+

TD2-

TX2_DIS

10 VEE 11

NC 12

NC 13

VEE 14

VCC_TX2 15

VCC_TX1 16

VEE 17

TD1+ 18

TD1- 19

TX1_DIS 20

GO2953

C CLK

C DATA

TD2+

TD2-

10k

TX2_DIS

TX1_DIS

From GS2965 Reclocker

F100nF

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5. References and Relevant Standards

Table 5-1: References and Relevant Standards

INF-8074i Rev 1.0 SFP (Small Formfactor Pluggable) Transceiver

SMPTE 259M-2008 SDTV Digital Signal/Data – Serial Digital Interface

SMPTE 292M-2008 1.5 Gb/s Signal / Data Serial Interface

SMPTE 297-2006 Serial Digital Fiber Transmission System for SMPTE 259M, SMPTE 344M, SMPTE 292 and SMPTE

424M Signals

SMPTE 344M-2000 540 Mb/s Serial Digital Interface

SMPTE 424M-2006 3 Gb/s Signal/Data Serial Interface

ITU-T G.694.2 Spectral grids for WDM applications: CWDM wavelength grid

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6. Package Information

6.1 Package Dimensions

A common mechanical outline, as shown in Figure 6-1, is used for all SFP modules.

Figure 6-1: Common SFP Package Outline

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6.2 PCB Layout Recommendations

Figure 6-2: Host PCB Layout – Part 1

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Figure 6-3: Host PCB Layout – Part 2

6.3 Marking Information

Figure 6-4: GO2953 Marking Information

Table 6-1: Marking Information

Label Code Description

XXYY 4-digit wavelength code - see Table 6-2: Ordering Information.

ZZZZZZZ 7-digit serial number

UUUU Channel 1 wavelength in nanometers

VVVV Channel 2 wavelength in nanometers

YYYY Year of manufacture

WW Week of manufacture

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6.4 Ordering Information

Table 6-2: Ordering Information

Part Number Package Wavelength Temperature Range

GO2953-2729CH SFP Ch1: 1271nm

Ch2: 1291nm

0°C to 70°C

GO2953-3133CH SFP Ch1: 1311nm

Ch2: 1331nm

0°C to 70°C

GO2953-3537CH SFP Ch1: 1351nm

Ch2: 1371nm

0°C to 70°C

GO2953-3941CH SFP Ch1: 1391nm

Ch2: 1411nm

0°C to 70°C

GO2953-4345CH SFP Ch1: 1431nm

Ch2: 1451nm

0°C to 70°C

GO2953-4749CH SFP Ch1: 1471nm

Ch2: 1491nm

0°C to 70°C

GO2953-5153CH SFP Ch1: 1511nm

Ch2: 1531nm

0°C to 70°C

GO2953-5557CH SFP Ch1: 1551nm

Ch2: 1571nm

0°C to 70°C

GO2953-5961CH SFP Ch1: 1591nm

Ch2: 1611nm

0°C to 70°C

GO2953-3155CH SFP Ch1: 1310nm

Ch2: 1550nm

0°C to 70°C

CANADA

Suite 320, 3553 31st St. N.W.

Calgary, Alberta T2L 2K7

Canada

Phone: +1 (403) 284-2672

Fax: +1 (905) 632-2055

415 Legget Drive, Suite 200

Kanata, Ontario K2K 2B2

Canada

Phone: +1 (613) 270-0458

Fax: +1 (613) 270-0429

GERMANY

Gennum Canada Limited

Niederlassung Deutschland

München, Germany

Phone: +49 89 309040 290

Fax: +49 89 309040 293

E-mail: gennum-germany@gennum.com

INDIA

#208(A), Nirmala Plaza,

Airport Road, Forest Park Square

Bhubaneswar 751009

India

Phone: +91 (674) 65304815

Fax: +91 (674) 259-5733

JAPAN KK

Shinjuku Green Tower Building 27F

6-14-1, Nishi Shinjuku

Shinjuku-ku, Tokyo, 160-0023

Japan

Phone: +81 (03) 3349-5501

Fax: +81 (03) 3349-5505

E-mail: gennum-japan@gennum.com

Web Site: http://www.gennum.co.jp

MEXICO

Venustiano Carranza 122 Int. 1

Centro, Aguascalientes

Mexico CP 20000

Phone: +1 (416) 848-0328

NORTH AMERICA WESTERN REGION

691 South Milpitas Blvd., Suite #200

Milpitas, CA 95035

United States

Phone: +1 (408) 934-1301

Fax: +1 (408) 934-1029

E-mail: naw_sales@gennum.com

NORTH AMERICA EASTERN REGION

4281 Harvester Road

Burlington, Ontario L7L 5M4

Canada

Phone: +1 (905) 632-2996

Fax: +1 (905) 632-2055

E-mail: nae_sales@gennum.com

TAI WA N

6F-4, No.51, Sec.2, Keelung Rd.

Sinyi District, Taipei City 11052

Taiwan R.O.C.

Phone: (886) 2-8732-8879

Fax: (886) 2-8732-8870

E-mail: gennum-taiwan@gennum.com

UNITED KINGDOM

South Building, Walden Court

Parsonage Lane,

Bishop’s Stortford Hertfordshire, CM23 5DB

United Kingdom

Phone: +44 1279 714170

Fax: +44 1279 714171

2, West Point Court, Great Park Road

Bradley Stoke, Bristol BS32 4PY

Great Britain

Phone: +44 1454 462200

Fax: +44 1454 462201

SNOWBUSH IP - A DIVISION OF GENNUM

439 University Ave. Suite 1700

Toronto, Ontario M5G 1Y8

Canada

Phone: +1 (416) 925-5643

Fax: +1 (416) 925-0581

E-mail: sales@snowbush.com

Web Site: http://www.snowbush.com

DOCUMENT IDENTIFICATION

APPLICATION NOTE

Information relating to this product and the application or design described

herein is believed to be reliable, however such information is provided as a

guide only and Gennum assumes no liability for any errors in this document, or

for the application or design described herein. Gennum reserves the right to

make changes to the product or this document at any time without notice.

GO2953 CWDM Dual Optical Transmitter

Data Sheet

57452 - 1 April 2012

23 of 23

Proprietary & Confidential

Gennum Corporation assumes no liability for any errors or omissions in this document, or for the use of the circuits or devices described herein. The sale of

the circuit or device described herein does not imply any patent license, and Gennum makes no representation that the circuit or device is free from patent

infringement.

All other trademarks mentioned are the properties of their respective owners.

GENNUM and the Gennum logo are registered trademarks of Gennum Corporation.

www.gennum.com

GENNUM CORPORATE HEADQUARTERS

4281 Harvester Road, Burlington, Ontario L7L 5M4 Canada

Phone: +1 (905) 632-2996 Fax: +1 (905) 632-2055

E-mail: corporate@gennum.com www.gennum.com

CAUTION

ELECTROSTATIC SENSITIVE DEVICES

DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A

STATIC-FREE WORKSTATION

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