AFCT-5701LZ

更新时间： 2024-01-14 05:15:31

品牌	Logo	应用领域
安华高科 - AVAGO		光纤放大器
页数	文件大小	规格书
20页	254K
描述
Families of Single-Mode Small Form Factor Pluggable (SFP) Optical Transceivers

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技术参数
数据手册

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AFCT-5701LZ 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	ECCN代码：	5A991.B.5.A
HTS代码：	8517.62.00.50	风险等级：	5.21
主体宽度：	13.8 mm	主体高度：	8.5 mm
主体长度或直径：	42.3 mm	内置特性：	AMPLIFIER
连接类型：	LC CONNECTOR	数据速率（接收）：	1250 Mbps
数据速率（发送）：	1250 Mbps	光纤设备类型：	TRANSCEIVER
光纤类型：	SMF	JESD-609代码：	e4
最大工作波长：	1355 nm	最小工作波长：	1270 nm
标称工作波长：	1313 nm	标称光功率输出：	0.237 mW
最小回损：	12 dB	灵敏度：	-20 dBm
最大供电电压：	3.47 V	最小供电电压：	3.14 V
标称供电电压：	3.3 V	端子面层：	Gold (Au)
Base Number Matches：	1

AFCT-5701LZ 数据手册

TX_FAULT

Functional Data I/O

A laser fault or a low VCC condition will activate the

transmitter fault signal, TX_FAULT, and disable the laser.

This signal is an open collector output (pull-up required

on the host board); A low signal indicates normal laser

operation and a high signal indicates a fault. The TX_

FAULT will be latched high when a laser fault occurs and

is cleared by toggling the TX_DISABLE input or power

cycling the transceiver. The TX_FAULT is not latched for

Low VCC. The transmitter fault condition can also be

monitored via the two-wire serial interface (address

A2h, byte 110, bit 2).

Avago’s AFCT-570xZ transceiver is designed to accept

industry standard diﬀerential signals. The transceiver

provides an AC-coupled, internally terminated data

interface. Bias resistors and coupling capacitors have

been included within the module to reduce the number

of components required on the customer’s board.

Figure 2 illustrates the recommended interface circuit.

Digital Diagnostic Interface and Serial Identiﬁcation

The AFCT-570xZ family complies with the SFF-8074i

speciﬁcation, which deﬁnes the module’s serial identi-

ﬁcation protocol to use the 2-wire serial CMOS EEPROM

protocol of the ATMEL AT24C01A or similar. Standard

SFP EEPROM bytes 0-255 are addressed per SFF-8074i at

memory address 0xA0 (A0h).

Eye Safety Circuit

Under normal operating conditions, the laser power

will be maintained below the eye-safety limit. If the

eye safety limit is exceeded at any time, a laser fault will

occur and the TX_FAULT output will be activated.

As an enhancement to the conventional SFP interface

deﬁned in SFF-8074i, the AFCT-5705Z is also compliant

to SFF-8472 (the digital diagnostic interface for SFP).

This enhancement adds digital diagnostic monitoring

to standard SFP functionality, enabling failure predic-

tion, fault isolation, and component monitoring capa-

bilities.

Receiver Section

The receiver section for the AFCT-570xZ contains an

InGaAs/InP photo detector and a preampliﬁer mounted

in an optical subassembly. This optical subassembly is

coupled to a post ampliﬁer/decision circuit on a circuit

board. The design of the optical subassembly provides

better than 12 dB Optical Return Loss (ORL).

Using the 2-wire serial interface, the AFCT-5705Z pro-

vides real time access to transceiver internal supply

voltage and temperature, transmitter output power,

laser bias current and receiver average input power,

allowing a host to predict system compliance issues.

These ﬁve parameters are internally calibrated, per the

MSA. New digital diagnostic information is accessed

per SFF-8472 using EEPROM bytes 0-255 at memory

address 0xA2 (A2h).

Connection to the receiver is provided via a LC optical

connector.

RX_LOS

The receiver section contains a loss of signal (RX_LOS)

circuit to indicate when the optical input signal power

is insuﬃcient for Fibre Channel compliance. A high

signal indicates loss of modulated signal, indicating

link failure such as a broken ﬁber or a failed transmit-

ter. RX_LOS can be also be monitored via the two-wire

serial (address A2h, byte 110, bit 1).

The digital diagnostic interface also adds the ability to

disable the transmitter (TX_DISABLE), monitor for Trans-

mitter Faults (TX_FAULT) and monitor for Receiver Loss

of Signal (RX_LOS).

Contents of the MSA-compliant serial ID memory are

shown in Tables 10 through 14. The SFF-8074i and SFF-

8472 speciﬁcations are available from the SFF Commit-

tee at http://www.sﬀcommittee.org.

1 µH

V_CC

0.1 µF

1 µH

V_CCR

3.3 V

Predictive Failure Identiﬁcation

10 µF

0.1 µF

10 µF

The diagnostic information allows the host system

to identify potential link problems. Once identiﬁed, a

fail-over technique can be used to isolate and replace

suspect devices before system uptime is impacted.

SFP MODULE

HOST BOARD

Figure 4. MSA required power supply ﬁlter

1 2 345 6 7...20

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与AFCT-5701LZ相关器件

型号	品牌	描述	获取价格	数据表
AFCT-5701PZ	AVAGO	Families of Single-Mode Small Form Factor Pluggable (SFP) Optical Transceivers	获取价格
AFCT-5701XXZ	BOARDCOM	Single-Mode SFP Optical Transceivers with Optional DMI for Gigabit Ethernet and Fibre Chan	获取价格
AFCT-5701XXZ	AVAGO	Single-Mode SFP Optical Transceivers	获取价格
AFCT-5701Z	AVAGO	Families of Single-Mode Small Form Factor Pluggable (SFP) Optical Transceivers	获取价格
AFCT-5705ALZ	AVAGO	Families of Single-Mode Small Form Factor Pluggable (SFP) Optical Transceivers	获取价格
AFCT-5705APZ	AVAGO	Families of Single-Mode Small Form Factor Pluggable (SFP) Optical Transceivers	获取价格

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