2417G4A (NetLight) - Agere Systems, Inc.

NetLight

® 2417G4A and 2417H4A

ATM/SONET/SDH Transceivers

Data Sheet, Rev. 1

August 2001

Available in a sm all form-factor, RJ-45 size, plastic pac kage,

the 2417G 4A and 2417H4A are high-performa n ce, co st-effec-

tive transceivers for ATM/SONET/SDH applications at

155 Mbits/s and 622 Mbits/s.

Features

■ATM/SONET/SDH Compliant (ITU-T G.957 Speci-

fications):

— IR-1/S1.1, S4.1

■Small form-factor, RJ-45 size, multisourced 10-pin

package

■Requires single 3.3 V power supply

■LC duplex receptacle

■Uncooled 1300 nm laser transmitter wi th automatic

output power control

■Transmitter disable input

■Wide dynamic range receiver with InGaAs PIN

photodetector

■Signal-detect output

■Low power dis sipation

■Raised ECL (LVPECL) logic data interfaces

■Operating case temperature range: –40 °C to

85 °C

■Agere Systems Inc. Reliability and Qualification

Program for built-in quality and reliability

Description

The 2417G4A and 2417H4A transceivers are high-

speed, cost-effective optical transceivers that are

compliant with the International Telecommunication

Union Telecommunication (ITU-T) G.957 specifica-

tions for use in ATM, SONET, and SDH applications.

The 2417G4A operates at the OC-3/STM-1 rate of

155 Mbits/s, and the 2417H4A operates at the OC-

12/STM-4 rate of 622 Mbits/s. The transceivers fea-

ture Agere Systems high-reliability optics and are

packaged in a narrow-width plastic housing with an

LC duplex receptacle. This receptacle fits into an

RJ-45 for m-factor outline. The 10-pin pack age and

pinout conform to a multisource transceiver agree-

ment.

The transmitter features differential LVPECL logic

level data inputs and an LVTTL logic level disable

input. The receiv e r f eatu res diff ere ntial LVPECL logic

level data and an LVPECL logic level signal-detect

output for the 2417G4A, and a LVTTL logic level sig-

nal-detect output for the 2417H4A.

NetLight

2417G4A and 2417H4A Data Sheet, Rev. 1

ATM/SONET/SDH Transceivers August 2001

2Agere Systems Inc.

Abso lute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-

lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess

of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended

periods can adversely affect device reliability.

Pin Information

Figure 1. 2417G4A and 2714H4A Transceivers, 10-Pin Configuration, Top View

Parameter Symbol Min Max Unit

Supply Voltage VCC 03.6V

Operating Case Temperature Range TC–40 85 °C

Storage Case Temperature Range Tstg –40 85 °C

Lead Soldering Temperature/Time — — 250/10 °C/s

Operating Wavelength Range λ1.1 1.6 µm

Table 1. Transceiver Pin Descriptions

Number Symbol Name/Description Logic Family

Receiver

MS MS Mounting Studs. The mounting studs are provided for transceiver

mechanical atta chment to the circuit board. The y ma y also pro vide an

optional connection of the transceiver to the equipment chassis

ground.

EER Receiver Signal Ground. NA

CCR Receiver Power Supply. NA

3SD

Signal Detect.

Normal operation: logic one output.

Fault condition: logic zero output.

LVTTL

(2417H4A);

LVPECL

(2417G4A)

4RD–

Received DATA Out. LVPECL

5RD+

Received DATA Out. LVPECL

Transmitter

CCT Transmitter Power Supply. NA

EET Transmitter Signal Ground. NA

DIS Transmitter Disable. LVTTL

9TD+

Transmitter DATA In. LVPECL

10 TD– Transmitter

DATA In. LVPECL

12345

109876

10-PIN MODULE - TOP VIEW

1-967.a

Agere Systems Inc. 3

Data Sheet, Rev. 1

NetLight

2417G4A and 2417H4A

August 2001 ATM/SONET/SDH Transceivers

Electrostatic Discharge

Caution: This device is susceptible to damage as

a result of electrostatic discharge (ESD).

Take proper precautions during both

handling and testing. Follow

EIA

® Stan-

dard

EIA

-625.

Although protection circuitry is designed into the

device, take proper precautions to avoid exposure to

ESD.

Agere Systems employs a human-body model (HBM)

for ESD susceptibility testing and protection-design

evaluation. ESD voltage thresholds are dependent on

the critical parameters used to define the model. A

standard HBM (resistance = 1.5 kΩ, capacitance =

100 pF) is widely used and, therefore, can be used for

comparison purposes. The HBM ESD threshold estab-

lished for the 2417G4A and 2417H4A transceivers is

±1500 V.

Application Information

The 2417 receiver section is a highly sensitive fiber-

optic receiver. Although the data outputs are digital

logic levels (LVPECL), the device should be thought of

as an analog component. When lay ing out system

applicati on boards, the 2417 tr ansceiv er should receiv e

the same type of consideration one would give to a

sensitive analog component.

Printed-Wiring Board Layout Consider-

ations

A fiber-optic receiver employs a very high gain, wide

bandwidth transimpedance amplifier. This amplifier

detects and amplifi es signals that are only tens of nA in

amplitud e whe n the r ecei ver is operating near its sensi-

tivity limit. Any unwanted signal currents that couple

into the receiver circuitry cause a decrease in the

receiver's sensitivity and can also degrade the perfor-

mance of the receiver's signal detect (SD) circuit. To

minimize the coupling of unwanted noise into the

receiver, careful attention must be given to the printed-

wiring board layout.

At a minimum, a double-sided printed-wiring board

(PWB) with a large component-side ground plane

beneath the transceiver must be used. In applications

that include many other high-speed devices, a multi-

layer PWB is highly recommended. This permits the

placement of power and ground on separate layers,

which allows them to be isolated from the signal lines.

Multilayer construction also permits the routing of sen-

sitive signal traces away from high-level, high-speed

signal lines. To minimize the possibility of coupling

noise into the receiver section, high-level, high-speed

signals such as transmitter inputs and clock lines

should be routed as far away as possible from the

receiver pins.

Noise that couples into the receiver through the power

supply pins can also degrade performance. It is

recommended that the pi filter, shown in Figure 2, be

used for both the transmitter and receiver power

supplies.

Data and Signal Detect Outputs

The data and signal detect outputs of the 2417 trans-

ceiver are driven by open-emitter NPN transistors,

which ha v e an outpu t impedance of approximately 7 Ω.

Each output can provide approximately 50 mA maxi-

mum current to a 50 Ω load terminated to VCC – 2.0 V.

Due to the high switching speeds of ECL outputs,

transmission line design must be used to interconnect

components. To ensure optimum signal fidelity, both

data outputs (RD+/RD–) should be terminated identi-

cally. The signal lines connecting the data outputs to

the next device should be equal in length and have

matched impedances . Control le d impedance stripline

or microstrip construction must be used to preserve the

quality of the signal into the next component and to

minimiz e ref lections bac k int o the receiver, which could

degrade its performance. Excessive ringing due to

reflections caused by improperly terminated signal

lines makes it difficult for the component receiving

these signals to decipher the proper logic levels and

can cause transitions to occur where none were

intended. Also, by minimizing high-frequency ringing,

possible EMI problems can be avoided.

The signal-detect output is positive ECL (LVPECL)

logic for the 2417G4A and TTL for the 2417H4A. A

logic low at this output indicates that the optical signal

into the receiver has been interrupted or that the light

level has fallen below the minimum signal detect

threshold. This output should not be used as an error

rate indicator, since its switching threshold is deter-

mined only by the magnitude of the incoming optical

signal.

NetLight

2417G4A and 2417H4A Data Sheet, Rev. 1

ATM/SONET/SDH Transceivers August 2001

4Agere Systems Inc.

Application Information (continued)

Transceiver Processing

When the process plug is placed in the transceiver's optical port, the transceiver and plug can withstand normal

wave soldering and aqueous spray cleaning processes. However, the transceiver is not hermetic, and should not

be subjected to immersion in cleaning solvents. The transceiver case should not be exposed to temperatures in

excess of 125 °C. The transceiver pins can be wave soldered at 250 °C for up to 10 seconds. The process plug

should only be used once. After rem ovi ng the process plug fr om the transcei v er, it m ust not be used again as a pro-

cess plug; however, if it has not been contaminated, it can be reused as a dust cover.

Transceiver Optical and Electrical Characteristics

* For 1 x 10–10 BER with an optical input using 223 – 1 PRBS .

Table 2. Transmitter Optical and Electrical Characteristics (TC = –40 °C to +85 °C; VCC = 3.135 V—3.465 V)

Parameter Symbol Min Typ Max Unit

Average Optical Output Power (EOL) PO–15.0 –11.0 –8.0 dBm

Optical Wavelength:

STM-1 (4 nm spectral width, maximum)

STM-4 (2.5 nm spectral width, maximum)

λC1261

1274 —

—1360

1356 nm

Dynamic Extinction Ratio EXT 8.2 — — dB

Output Optical Eye Compliant with SONET GR-253-CORE and

ITU-T G.957 Eye Mask Requirements

Power Supply Current ICCT — 90 150 mA

Input Data Voltage:

Low

High VIL

VIH VCC – 2.0

VCC – 1.2 —

—VCC – 1.6

VCC – 0.8 V

Transmit Disable Voltage VDVCC – 1.3 — VCC V

Transmit Enable Voltage VEN VEE —V

EE + 0.8 V

Table 3. Receiver Optical and Electrical Characteristics (TC = –40 °C to +85 °C; VCC = 3.135 V—3.465 V)

Parameter Symbol Min Typ Max Unit

Average Sensitivity (STM-1/STM-4)* PI— — –28 dBm

Max imum Input Power* PMAX –8 — — dBm

Link Status Switching Threshold:

Decreasing Light (STM-1/STM-4)

Increasing Light (STM-1/STM-4) LSTD

LSTI–45

–45 —

—–29.0

–28.5 dBm

dBm

Link Status Hysteresis HYS 0.5 2 — dB

Power Supply Current ICCR — 70 100 mA

Output Data Voltage:

Low

High VOL

VOH VCC – 1.81

VCC – 1.025 —

—VCC – 1.62

VCC – 0.88 V

Signal-detect Output Voltage (2417G4A):

Low

High VOL

VOH —

VCC – 1.2 —

—VCC – 1.7

—V

Signal-detect Output Voltage (2417H4A):

Low

High VOL

VOH 0.0

2.4 —

—0.8

VCC V

Data Sheet, Rev. 1

NetLight

2417G4A and 2417H4A

August 2001 ATM/SONET/SDH Transceivers

Agere Systems Inc. 5

Qualification and Reliability

To help ensure high pr oduct reli abi l it y and customer sati sfaction, Agere Systems is co mmitted to an intensive qual-

ity program that starts in the design phase and proceeds through the manufacturing process. Optoelectronic mod-

ules are qualified to Agere Systems internal standards using MIL-STD-883 test methods and procedures and

using sampling techniques consistent wit h

Telcordia Technologies

® r equirements . The 24 17 transceiv er is requir ed

to pass an extensive and rigorous set of qualification tests.

In addition, the design, development, and manufacturing facilities of Agere Systems Optoelectronics unit have

been cer tified to be in full compliance with the latest

ISO

® 9001 quality system standards.

Electrical Schematic

* Ferrite beads can be used as an option.

† For all capacitors, MLC caps are recommended.

‡ Termination resist ors for 2417G4A only.

Figure 2. Power Supply Filtering for the Small Form Factor Transceiver

TRANSMITTER

DRIVER

RECEIVER

POST

AMPLIFIER

TD–

TD+

VEET 7

PREAMP

RD+

RD–

VEER

VCCT

VCCR

SFF TRANSCEIVER

3‡

2C4 C5

C2 C3 C1

VCC

82 Ω

130 Ω

VCC

L1 = L2 = 1 µH—4.7 µH*

C1 = C2 = 10 nF†

C3 = 4.7 µF —10 µF

C4 = C5 = 4.7 µF—10 µF

1-968 (F ).a

NetLight

2417G4A and 2417H4A Data Sheet, Rev. 1

ATM/SONET/SDH Transceivers August 2001

6Agere Systems Inc.

Application Schematics

Figure 3. 3.3 V Transceiver Interface with 3.3 V ICs

TD+

TD– 100 ΩLVPECL

130 Ω130 Ω

VCC (+3. 3 V) VCC (+3.3 V)

A. Transmitter Interface (LVPECL to LVPECL)

RD+

RD– LVPECL

VCC (+3.3 V) VCC (+3.3 V)

100 Ω

130 Ω

B. Receiver Interface (LVPECL to LVPECL)

Z = 50 Ω

1-970 (F).a

Data Sheet, Rev. 1

NetLight

2417G4A and 2417H4A

August 2001 ATM/SONET/SDH Transceivers

Agere Systems Inc. 7

Outline Diagrams

Dimensions are in inches and (millimeters).

Package Outline

0.150

0.125 (3.17)

1.914

0.535 MAX

0.386 MAX

0.700 0.734

0.280

0.014

0.246

0.070 (1.78 )

(13.59)

(48.62)

(3.81)

(10.16)

0.400

(6.25)

(0.36)

(9.80)

(7.11) (17.78) (18.64)

0.018

(0.46)

1-1032 (F).b

NetLight

2417G4A and 2417H4A Data Sheet, Rev. 1

ATM/SONET/SDH Transceivers August 2001

8Agere Systems Inc.

Outline Diagrams (continued)

Printed-Wi ri ng Bo ard Layout *, †

Dimensions are in inches and (millimeters).

* The hatc hed areas are keep-out areas reserved f or housing standoffs. No met al traces of ground connect ion in kee p-out area.

† Twenty-pin module shown; 10-pin module requires only 16 PWB holes.

6.00

3.00

3.08

(0.121)

2.00 (0.79)

(0.236)

(0.118)

(2x) ∅ 2.29 MAX

(0.090)

(2x) ∅ 2.2 9 MAX

(0.090)

(2x) ∅ 1.4 ± 0.1 NOTE 1

(0.055 ± 0.004)

AREA FOR EYELETS

2.01

(0.79)

9.59

(0.378) 10.16

(0.400)

13.34

(0.525)

7.59

(0.299)

3.00

(0.118)

(4x) ∅ 1.4 ± 0.1 NOTE 2

(0.055 ± 0.004)

∅ 0.00 M A

4.57

(0.180)

7.11

(0.280)

8.89

(0.350)

(9x) 1.78

(0.070) 16.00 REF

(0.630)

3.56

(0.140)

(2x) ∅ 0.81 ± 0. 1

(0.032 ± 0.004)

∅ 0.00 M A

1. HOLES FOR MOUNTING STUDS MUST BE TIED TO CHASSIS GR OUND.

2. HOLES FOR HOUSING LEADS MUST BE TIED TO SIGNAL GROUND.

NOTES:

1-1271(F)

1-1088(F).b

Data Sheet, Rev. 1

NetLight

2417G4A and 2417H4A

August 2001 ATM/SONET/SDH Transceivers

Agere Systems Inc. 9

Outline Diagrams (continued)

Recommended Panel Opening

Dimensions are in inches and (millimeters).

Laser Sa fety Information

Class I Laser Product

FDA/CDRH Class I laser product. All versions of the transceiver are Class I laser products per CDRH, 21 CFR

1040 Laser Safety requirements. All versions are Class I laser products per

IEC

® 60825-1:1993. The transceiver

has been certified with the FDA under accession number 9520668.

CAUTION: Use of controls, adjustments, and procedures other than those specified herein may result in

hazardous laser radiation exposure.

This product complies with 21 CFR 1040.10 and 1040.11.

Wavelength = 1.3 µm

Maximum power = 1.0 mW

Because of size constraints, laser safety labeling is not affixed to the module bu t is attached to the outside of the

shipping carton.

Product is not shipped with power supply.

NOTICE

Unterminated optical connectors may emit laser radiation.

Do not view with optical instruments.

1-1088(F).d

0.560

(14.22)

0.400

(10.16)

0.039 TO 0.098

(1.00 TO 2.49)

0.590 TO 0.620

(14.99 TO 15.75)

NetLight

2417G4A and 2417H4A Data Sheet, Rev. 1t

ATM/SONET/SDH Transceivers August 2001

Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.

NetLight

is a re gi stered t rademark of Agere Sys tems Inc.

August 2001

DS00-106OPTO-1 (Replaces DS00-106OPTO)

For addition al inf orm at ion, cont ac t your Agere Systems Acc ount Manager or the follo wing:

INTERNET: http://www.agere.com

E-MAIL: docmaster@agere.com

N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286

1-800-372-2447, FA X 610-7 12-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106)

ASIA: Agere Systems Hong Kong Ltd., Suites 3201 & 3210-12, 32/F, Tower 2, The Gateway, Harbou r City, Kowloon

Tel. (852) 3129-20 00, FAX (852) 3129-202 0

CHINA: (86) 21-5047-1212 (S hanghai), (86) 10-6522-5566 (Beijing), (86) 755-695-7224 (S henzhen)

JAPAN: (81) 3-5421-1600 (Tok yo), KOREA: (82) 2-767 -1850 (Seoul), SINGAPORE: (65) 778-8833, TAIWAN: (886) 2-2725-5858 (Taipei)

EUROPE: Tel . (44) 700 0 624624, FAX (44) 1344 488 045

Ordering Informat ion

Table 4. Ordering Information

Description Device Code Comcode

2 x 5 Single-mode Transceiver for OC-3/STM-1 (155 Mbits/s)

with LC Connector 2417G4A 108282203

2 x 5 Single-mode Transceiver for OC-12/STM-4 (622 Mbits/s)

with LC Connector 2417H4A 108282211

EIA

is a registered tr ademark of The Electronic Industries Association.

Telcordia

Technologies

is a registered trademark of Telcordia Technologies, Inc.

ISO is

a registered tra demark of The Inte rnational Organization f or Standardizat ion.

IEC

is a registered trademark of The International Electrotechnical Commission.