AFBR-708SMZ
10Gb Ethernet, 850 nm, SFP+ USR,
100m on OM3 MMF Transceiver
Data Sheet
Description Features
Avago 850nm VCSEL source and Transmitter Optical
The Avago AFBR-708SMZ transceiver is part of a family
Subassembly technology
of SFP+ products. This transceiver utilizes Avagos 850nm
VCSEL and PIN Detector technology to provide a trans- Avago PIN detector and Receiver Optical Subassembly
ceiver to support 100m reach on OM3 MMF versus the technology
300m 10GBASE-SR standard. The AFBR-708SMZ trans-
Typical power dissipation 600mW
ceiver is designed to enable 10Gb Ethernet equipment
Full digital diagnostic management interface
designs with very high port density based on the new
electrical and mechanical specification enhancements Avago SFP+ package design enables equipment EMI
to the well known SFP specifications developed by the performance in high port density applications with
SFF Committee. These specifications are referred to as margin to Class B limits
SFP+ to recognize these enhancements to previous SFP
Specifications
specifications used for lower speed products. Avago
Technologies is a an active participant in the SFF Com-
Optical interface specifications provide 100 m reach
mittee specification development activities.
on OM3 MMF when inter operating with other
10GBASE-SR or SFP+USR interfaces at the remote end
Related Products
of the link.
AFBR-709SMZ, 10Gb Ethernet, 850 nm, 10GBASE-SR,
Electrical interface specifications per SFF Committee
SFP+ Transceiver, 300m reach on OM3 MMF
SFF 8431 Specifications for Enhanced 8.5 and 10
Gigabit Small Form Factor Pluggable Module SFP+
AFBR-707SDZ SFP+ 10 Gigabit Ethernet 10GBASE-
LRM transceiver for 220 meter operation in all MMF
Management interface specifications per SFF
link applications including OM1 and OM2 legacy fiber
Committee SFF 8431 and SFF 8472 Diagnostic
cables and new high bandwidth OM3 fiber cables.
Monitoring Interface for Optical Transceivers with
some adjustment.
AFCT-701SDZ SFP+ 10 Gigabit Ethernet 10GBASE-LR
transceiver for operation in SMF link applications to
Mechanical specifications per SFF Committee SFF
10 km
8432 Improved Pluggable Formfactor IPF
AFCT-5016Z SFP+ Evaluation Board The purpose of
LC Duplex optical connector interface confirming to
this SFP+ evaluation board is to provide the designer
ANSI TIA/EA 604-10 (FOCIS 10A)
with a convenient means for evaluating SFP+ fiber
Compliant to Restriction on Hazardous Substances
optic transceivers.
(RoHS) per EU and China requirements
Class 1 Eye safe per requirements of IEC 60825-1 /
CDRH
Patent - www.avagotech.com/patents
AFBR-708SMZDescription, continued
Installation Compliance Prediction
The AFBR-708SMZ transceiver package is compliant Compliance prediction is the ability to determine if an
with the SFF 8432 Improved Pluggable Formfactor hous- optical transceiver is operating within its operating and
ing specification for the SFP+. It can be installed in any environmental requirements. AFBR-708SMZ devices
INF-8074 or SFF-8431/2 compliant Small Form Pluggable provide real-time access to transceiver internal supply
(SFP) port regardless of host equipment operating status voltage and temperature, allowing a host to identify po-
The AFBR-708SMZ is hot-pluggable, allowing the mod- tential component compliance issues. Received optical
ule to be installed while the host system is operating and power is also available to assess compliance of a cable
on-line. Upon insertion, the transceiver housing makes plant and remote transmitter. When operating out of re-
initial contact with the host board SFP cage, mitigating quirements, the link cannot guarantee error free trans-
potential damage due to Electro-Static Discharge (ESD). mission.
Digital Diagnostic Interface and Serial Identification Fault Isolation
The two-wire interface protocol and signaling detail The fault isolation feature allows a host to quickly pin-
are based on SFF-8431. Conventional EEPROM memo- point the location of a link failure, minimizing downtime.
ry, bytes 0-255 at memory address 0xA0, is organized For optical links, the ability to identify a fault at a local
in compliance with SFF-8431. New digital diagnostic device, remote device or cable plant is crucial to speed-
information, bytes 0-255 at memory address 0xA2, is ing service of an installation. AFBR-708SMZ real-time
compliant to SFF-8472. The new diagnostic information monitors of Tx_Bias, Tx_Power, Vcc, Temperature and
provides the opportunity for Predictive Failure Identifi - Rx_Power can be used to assess local transceiver current
cation, Compliance Prediction, Fault Isolation and Com- operating conditions. In addition, status flags TX_DIS -
ponent Monitoring. ABLE and Rx Loss of Signal (LOS) are mirrored in memory
and available via the two-wire serial interface.
Predictive Failure Identification
Component Monitoring
The AFBR-708SMZ predictive failure feature allows a host
to identify potential link problems before system perfor- Component evaluation is a more casual use of the AF-
mance is impacted. Prior identification of link problems BR-708SMZ real-time monitors of Tx_Bias, Tx_Power,
enables a host to service an application via fail over Vcc, Temperature and Rx_Power. Potential uses are as
to a redundant link or replace a suspect device, main- debugging aids for system installation and design, and
taining system uptime in the process. For applications transceiver parametric evaluation for factory or field
where ultra-high system uptime is required, a digital SFP qualification. For example, temperature per module can
provides a means to monitor two real-time laser metrics be observed in high density applications to facilitate
associa ted with observing laser degradation and pre- thermal evaluation of blades, PCI cards and systems.
dicting failure: average laser bias current (Tx_Bias) and
average laser optical power (Tx_Power).
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