Figure 32 on page 62 shows the location of the SFP+ access ports, including the ports
that can be used with Fibre Channel SFP+ transceivers and Gigabit Ethernet SFP
transceivers.
Figure 32: SFP+ Access Port Locations
10-Gigabit Ethernet
or Fibre Channel ports
QSFP+ uplink ports
10-Gigabit Ethernet
or Fibre Channel ports
10-Gigabit Ethernet
or 1-Gigabit Ethernet ports
LA
ST
LA
ST
LA
ST
LA
ST
Q0 Q1 Q2 Q3 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 470 1 2 3 4 5 6 7 8 9 34 35 36 37 38 39 40 41 42 43 44 45 46 47
g050013
QSFP+ Uplink Ports
The QFX3500 device has four uplink ports (Q0 through Q3) that support up to four QSFP+
to four SFP+ copper breakout cables. See Interface Specifications for QSFP+ DAC
Breakout Cables for QFX3500 Device Uplink Ports. Figure 33 on page 63 shows the
location of the QSFP+ uplink ports, and the interfaces supported on each port. When the
QFX3500 device is used as part of a QFX3000 QFabric system, these uplink ports are
used to connect the QFX3500 Node device to QFX3008-I Interconnect Devices. See
“Interface Specifications for DataPlaneConnections for the QFabric System” on page 127
and “Connecting a QFX3500 Node Device to a QFX3008-I Interconnect Device” on
page 284.
All four of the uplink ports can be used for QSFP+ transceivers to four SFP+ breakout
copper cables.
NOTE: Port Q0 of the QFSP+ uplink ports only supports three of the four
QFSP+ to four SFP+ breakout cable divisions. Ports Q1 through Q3 support
all four of the QFSP+ to four SFP+ breakout cable divisions. Together, the
four QSFP+ ports provide 15 10-Gigabit Ethernet interfaces.
NOTE: The QSFP+ uplink ports are not supported in Junos OS Release 11.1.
The QSFP+ uplink ports and QSFP+ to four SFP+ breakout cables are
supported in Junos OS Release 11.2 and later.
Copyright © 2012, Juniper Networks, Inc.62
QFX3000 Hardware Documentation
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