Juniper EX3300 Complete Hardware Guide

Ensure that you have the following parts and tools available:
•
DC power source cables (14 AWG) with ring lug (Molex 0190700067 or equivalent)
(not provided) attached to them by a licensed electrician
•
Phillips (+) screwdriver, number 2
To connect DC power to the switch:
1. Ensure that the input circuit breaker is open so that the cable leads will not become
active while you are connecting DC power.
NOTE: The DC power supply in the switch has four terminals labeled A+,
B+, A–, and B– for connecting DC power source cables labeled
positive (+) and negative (–). The terminals are covered by a clear plastic
cover.
NOTE: The A+ and B+ terminals are referred to as +RTN and A– and B–
terminals are referredto as–48 V in “DC Power WiringSequenceWarning”
on page 188 and “DC Power Electrical Safety Guidelines” on page 183.
2. Grasp the plastic cover in the middle, gently flex it outwards, and pull it out. Save the
cover.
3. Remove the screws on the terminals using the screwdriver. Save the screws.
WARNING: Ensure that the power cables do not block access to switch
components or drape where people can trip on them.
4. Connect the power supply to the power sources. Secure power source cables to the
power supply by screwing the ring lugs attached to the cables to the appropriate
terminals by using the screw from the terminals (see Figure 37 on page 108).
Figure 37: Securing Ring Lugs to the Terminals on the DC Power Supply
g021215
A-
DC power source cable
with lug attached
B-
B+
A+
DC power terminals:
Copyright © 2015, Juniper Networks, Inc.108
Complete Hardware Guide for EX3300 Ethernet Switches

Juniper EX3300 Specifications

General

Ethernet LAN	Yes
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Ethernet interface type	Gigabit Ethernet
Number of VLANs	4096
Networking standards	IEEE 802.1ab, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3x, IEEE 802.3z
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Console port	-
ExpressCard slot	No
Fiber ports quantity	4
USB 2.0 ports quantity	0
Basic switching RJ-45 Ethernet ports quantity	48
Throughput	130 Mpps
Number of queues	8
MAC address table	16000 entries
Maximum data transfer rate	176 Gbit/s
Supported data transfer rates	10, 100, 1000Mbps
Switch type	Managed
Switch layer	L2
Security algorithms	SSH-2
Power source	AC
AC input voltage	100 - 240 V
Power consumption (typical)	100 W
Form factor	1U
Product color	Black
Flash memory	1024 MB
Processor frequency	1000 MHz
Compatible operating systems	Junos
Operating altitude	0 - 3049 m
Non-operating altitude	0 - 4877 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 85 %
Supported network protocols	IPv6

Weight and Dimensions

Depth	310 mm
Width	437 mm
Height	44 mm
Weight	4900 g