• An alternative solution of IEEE 802.3ba 40GBASE-LR4
modules to extend the support of MMF reach with low
power and low cost in the data center applications
• Compliant to the 40GbE IEEE 802.3ba-2010
specifications (40GBASE-SR4 and XLPPI) and per
channel basis to the IEEE 802.3ae 10GBASE-SR optical
specification
• Fiber links to a QSFP+ eSR4 module up to 300m (400m)
using OM3 (OM4) MMF, and to a QSFP+ SR4 module up
to 100m (150m) using OM3 (OM4) MMF
• Support optical interoperability up to 300m (400m)
using OM3 (OM4) MMF with IEEE 802.3ae 10GBASESR
compliant modules of various form factors such as
SFP+, XFP and X2
• Compliant to industry-standard QSFP+ SFF-8436
Specification Revision 4.1
• Power Level 1: Max Power < 1.5W
• High port density: 21mm horizontal port pitch
• Push-pull tab: ease of transceiver insertion and
extraction; tab front clip color coded "Orange" for eSR4
identification
• Operates at 10.3125 Gbps per channel with 64b/66b
encoded data
• 0 to 70°C case temperature operating range
• Proven High Reliability 850 nm technology: Avago
VCSEL array transmitter and Avago PIN array receiver
• Hot pluggable transceiver for servicing and ease of
installation
• Two Wire Serial (TWS) interface with Digital Monitoring
and maskable interrupts for expanded functionality
• Utilizes a standard 12/8 lane optical fiber with MTP®
(MPO) optical connector for high density and thin,
light-weight cable management.