•
Up to 36 of the access ports can be used for SFP transceivers. Gigabit Ethernet SFP transceivers can be
used in ports 6 through 41.
CAUTION: Do not install 1GbE copper transceivers (such as QFX-SFP-1GE-T) directly
above or below another 1GbE copper transceiver. Use only the top row or bottom
row to avoid damage to the device caused by some types of copper transceivers
when the transceivers are installed above or below each other. However, if you are
using copper transceivers with the OEM part number FCLF8521P2BTL-J1 printed
on the transceiver label, you can install the transceivers in any port with no
restrictions. For devices that support 10GbE copper transceivers, there is no similar
restriction.
Figure 26 on page 54 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 26: 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 10 11 12 13 14 15 16 17 18 19 20 21 22 23
g050013
QSFP+ Uplink Ports
The QFX3500 device has four uplink ports (Q0 through Q3) that support up to four QSFP+ transceivers,
as well as QSFP+ DAC or DAC breakout cables. See “Determining Interface Support for the QFX3500
Device” on page 141.
When the QFX3500 device is used as part of a QFabric system, these uplink ports are used to connect
the QFX3500 Node device to QFX3008-I or QFX3600-I Interconnect devices. See Connecting a QFX3500
Node Device to a QFX3008-I Interconnect Device or Connecting a QFX3500 Node Device to a QFX3600-I
Interconnect Device.
When the QFX3500 device is used as a standalone switch, these uplink ports are configured by default
as 15 10-Gigabit Ethernet interfaces. Another option for these ports is to configure one or more of the
ports as 40-Gigabit Ethernet interfaces.
54
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