Juniper QFX Series User Manual

You must provide cords appropriate for your geographical location. The AC power cord
wires insert into the AC terminal block on the wiring tray.
The power cords you provide must comply with the specifications listed in Table 50 on
page 142.
NOTE: In North America, AC power cords must not exceed 4.5 m
(approximately 14.75 ft) in length, to comply with National Electrical Code
(NEC) Sections 400-8 (NFPA 75, 5-2.2) and 210-52, and Canadian Electrical
Code (CEC) Section 4-010(3).
Table 50: Three-Phase Delta AC Power Cord Specifications
Cord or Cable Type
Plug
ColorPlug Type
Electrical
Rating
The cord or cablemust be HAR compliant, IEC 60245 (designation
60245 IEC 53) or IEC 60227 (designation 60227 IEC 53); or meet
one of the following standards (North America): SV, SVE, SVO,
SVOO, SVT, SVTO, SVTOO, SP-2, SPE-2, SPT-2, NISP-2, NISPE-2,
NISPT-2, SP-3, SPE-3, SPT-3, SJ, SJE, SJO, SJOO, SJT, SJTO,
SJTOO, S, SE, SO, SOO, ST, STO, STOO
BlueInternational
Electrotechnical
Commission(IEC) 60309
250 VAC, 60 A
Related
Documentation
AC Power Supply in a QFX3008-I Interconnect Device on page 52•
• Wiring Tray in a QFX3008-I Interconnect Device on page 54
• AC Power Electrical Safety Guidelines on page 194
• AC Power Disconnection Warning on page 196
• General Electrical Safety Guidelines and Warnings on page 191
• Connecting AC Power to a QFX3008-I Interconnect Device with Three-Phase Delta
Wiring Trays on page 246
AC Power Cord Specifications for a QFX3008-I Interconnect Device with Three-Phase
Wye Wiring Trays
Most sites distribute power through a main conduit that leads to frame-mounted power
distribution panels, one of which can be located at the top of the rack that houses the
device. An AC power cord connects each wiring tray to the power distribution panel.
WARNING: TheQFX3008-IInterconnectdevice is pluggabletype A equipment
installed in a restricted-access location. It has a separate protective earthing
terminalprovided on the chassisin addition to the grounding pin of the power
supply cord. This separate protective earthing terminal must be permanently
connected to earth.
Copyright © 2012, Juniper Networks, Inc.142
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)