AFBR-5715PZ

更新时间： 2024-02-16 19:21:51

品牌	Logo	应用领域
安华高科 - AVAGO		光纤放大器通信
页数	文件大小	规格书
20页	508K
描述
Families of Multi-Mode Small Form Factor Pluggable (SFP) Optical Transceivers

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AFBR-5715PZ 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8517.62.00.50	风险等级：	5.71
Is Samacsys：	N	主体宽度：	16.25 mm
主体高度：	12.1 mm	主体长度或直径：	42.3 mm
内置特性：	AMPLIFIER	通信标准：	GR-468
连接类型：	LC CONNECTOR	数据速率（发送）：	1250 Mbps
发射极/检测器类型：	LASER DIODE	光纤设备类型：	TRANSCEIVER
光纤类型：	50/125, MMF	JESD-609代码：	e4
安装特点：	PANEL MOUNT	最高工作温度：	85 °C
最低工作温度：	-10 °C	最大工作波长：	860 nm
最小工作波长：	830 nm	标称工作波长：	850 nm
标称光功率输出：	0.223 mW	灵敏度：	-21 dBm
子类别：	Fiber Optic Transceivers	最大供电电压：	3.465 V
最小供电电压：	3.135 V	标称供电电压：	3.3 V
表面贴装：	NO	端子面层：	Gold (Au)
Base Number Matches：	1

AFBR-5715PZ 数据手册

As an enhancement to the conventional SFP interface

deﬁned in SFF-8074i, the AFBR-5715Z family is compliant

to SFF-8472 (digital diagnostic interface for optical trans-

ceivers). This new digital diagnostic information is stored

in bytes 0-255 at memory address 0xA2.Using the 2-wire

serial interface deﬁned in the MSA, the AFBR-5715Z

provides real time temperature, supply voltage, laser

bias current, laser average output power and received

input power. These parameters are internally calibrated,

per the MSA.

also available to assess compliance of a cable plant and

remote transmitter. When operating out of requirements,

the link cannot guarantee error free transmission.

Fault Isolation

The fault isolation feature allows a host to quickly pin-

point the location of a link failure, minimizing downtime.

For optical links, the ability to identify a fault at a local

device, remote device or cable plant is crucial to speeding

service of an installation. AFBR-5715Z real-time monitors

of Tx_Bias, Tx_Power, Vcc, Temperature and Rx_Power

can be used to assess local transceiver current operating

conditions. In addition, status ﬂags Tx_Disable and Rx Loss

of Signal (LOS) are mirrored in memory and available via

the two-wire serial interface.

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).

The new diagnostic information provides the oppor-

tunity for Predictive Failure Identiﬁcation, Compliance

Prediction, Fault Isolation and Component Monitoring.

Component Monitoring

Component evaluation is a more casual use of the AFBR-

5715Z real-time monitors of Tx_Bias, Tx_Power, Vcc, Tem-

perature and Rx_Power. Potential uses are as debugging

aids for system installation and design, and transceiver

parametric evaluation for factory or ﬁeld qualiﬁcation.

For example, temperature per module can be observed in

high density applications to facilitate thermal evaluation

of blades, PCI cards and systems.

Predictive Failure Identiﬁcation

The predictive failure feature allows a host to identify

potential link problems before system performance is

impacted. Prior identiﬁcation of link problems enables

a host to service an application via “fail over” to a redun-

dant link or replace a suspect device, maintaining system

uptime in the process. For applications where ultra-high

system uptime is required, a digital SFP provides a means

to monitor two real-time laser metrics associated with ob-

serving laser degradation and predicting failure: average

laser bias current (Tx_Bias) and average laser optical power

(Tx_Power).

Required Host Board Components

The MSA power supply noise rejection ﬁlter is required on

the host PCB to meet data sheet performance. The MSA

ﬁlter incorporates an inductor which should be rated 400

mADC and 1 Ω series resistance or better. It should not

be replaced with a ferrite. The required ﬁlter is illustrated

in Figure 4.

Compliance Prediction

Compliance prediction is the ability to determine if an

optical transceiver is operating within its operating and

environmental requirements. AFBR-5715Z devices provide

real-time access to transceiver internal supply voltage

and temperature, allowing a host to identify potential

component compliance issues. Received optical power is

The MSA also speciﬁes that 4.7 K to 10 KΩ pull-up resis-

tors for TX_FAULT, LOS, and MOD_DEF0,1,2 are required

on the host PCB.

1 µH

V_CC

0.1 µF

1 µH

3.3 V

V_CCR

10 µF

0.1 µF

10 µF

SFP MODULE

HOST BOARD

Figure 4. MSA required power supply ﬁlter.

1 2 3 456 7 8...20

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