Juniper QFX Series User Manual

Figure 17: QFX3008-I Interconnect Device Rear
g050101
Top fan tray
(behind door)
Rear cards 0–7
Wiring tray 1
Grounding points (below wiring trays)Power supplies 0–5
Wiring
tray 0
ESD point
Control Board 0
Control Board 1
The QFX3008-I Interconnect device has a front panel display that displays chassis
components’ alarm information for rapid problem identification. See “Front Panel Display
of the QFX3008-I Interconnect Device” on page 43.
The QFX3008-I Interconnect device midplane distributes the data, control, and
management signals to system components and distributes power throughout the
system. See “Midplane in a QFX3008-I Interconnect Device” on page 42.
16-Port QSFP+ Front Card
The 16-port quad small form-factor pluggable plus (QSFP+) front cards act as one stage
in the multistage switch fabric data plane in the QFX3000 QFabric system. The front
cards are hot-insertable and hot-removable field-replaceable units (FRUs). Up to eight
front cards are installed in the front of the chassis in the slots labeled 0 through 7. See
“16-Port QSFP+ Front Cards in a QFX3008-I Interconnect Device” on page 48 and
“Understanding the QFabric System Hardware Architecture” on page 7.
Copyright © 2012, Juniper Networks, Inc.36
QFX3000 Hardware Documentation

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)