Figure 84: Qfx3500 Device Rear Panel; Figure 85: Fan Tray For A Qfx3500 Device - Juniper QFabric QFX3000-G Hardware Documentation

QFX3000-G QFabric System Hardware Documentation
Related
Documentation
Cooling System and Airflow for a QFX3500 Device
124
Figure 84 on page 124 shows the rear panel of a QFX3500 device.

Figure 84: QFX3500 Device Rear Panel

10-Gigabit Ethernet
or Fibre Channel ports
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5
Field-Replaceable Units in a QFX3500 Device on page 119
Front Panel of a QFX3500 Device on page 122
Access Port and Uplink Port LEDs on a QFX3500 Device on page 759
Installing and Removing QFX3500 Device Hardware Components on page 645
The cooling system in a QFX3500 device consists of two field-replaceable unit (FRU)
fan trays with two fan modules each (see
on the management board FRU (see
have internal fans to cool themselves.

Figure 85: Fan Tray for a QFX3500 Device

Fan modules
LED Ejector
10-Gigabit Ethernet
or 1-Gigabit Ethernet ports
LA LA
ST ST
16 17 18 19 20 21 22 23 Q0 Q1 Q2 Q3 24 25 26 27
LA LA
ST ST
QSFP+ Uplink ports
Figure 85 on page
Figure 86 on page
10-Gigabit Ethernet
or Fibre Channel ports
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
42 43 44 45 46 47
124) and two fan modules
125). In addition, the power supplies
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