Datasheet > AFBR-5701ALZ

AFBR-5701ALZ

更新时间： 2024-01-05 18:28:37

品牌	Logo	应用领域
富士康 - FOXCONN		/
页数	文件大小	规格书
22页	338K
描述
Transceiver, 830nm Min, 860nm Max, 1250Mbps(Tx), 1250Mbps(Rx), LC Connector, ROHS COMPLIANT PACKAGE

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AFBR-5701ALZ 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：	5.74
主体宽度：	13.4 mm	主体高度：	8.5 mm
主体长度或直径：	55.2 mm	内置特性：	AMPLIFIER
通信标准：	GR-468	连接类型：	LC CONNECTOR
数据速率（接收）：	1250 Mbps	数据速率（发送）：	1250 Mbps
发射极/检测器类型：	LASER, PIN PHOTODIODE	光纤设备类型：	TRANSCEIVER
光纤类型：	50/125, MMF	JESD-609代码：	e4
最高工作温度：	85 °C	最低工作温度：	-40 °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
最小回损：	-12 dB	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
端子面层：	Gold (Au)	Base Number Matches：	1

AFBR-5701ALZ 数据手册

As an enhancement to the conventional SFP interface

defined in SFF-8074i, the AFBR-5705Z family is compliant

to SFF-8472 (digital diagnostic interface for optical

transceivers). 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-

5705Z 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.

potential component compliance issues. Received

optical power is 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

pinpoint 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-5705Z 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

Transmitter Faults (TX_FAULT), and monitor for Receiver

Loss of Signal (RX_LOS).

The new diagnostic information provides the

opportunity for Predictive Failure Identification,

Compliance Prediction, Fault Isolation and Component

Monitoring.

Component Monitoring

Component evaluation is a more casual use of the

AFBR-5705Z real-time monitors of Tx_Bias, Tx_Power,

Vcc, Temperature 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

redundant 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 observing 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-5705Z devices

provide real-time access to transceiver internal supply

voltage and temperature, allowing a host to identify

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

resistors for TX_FAULT, LOS, and MOD_DEF0,1,2 are

required on the host PCB.

1 µH

V_CCT

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...22

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