Juniper EX4600 Series User Manual

communication on four links simultaneously. The SFP+ links are designed for data rates
up to 10 Gbps each. Passive breakout cables have no signal amplification built into the
cable assembly. There are two types of DAC cables:
•
Passive DAC cables have no signal amplification built into the cable assembly.
Table 25 on page 66 describes the passive QSFP+ DAC breakout cable specifications.
•
Active DAC cables have signal amplification and equalization built into the cable
assembly. Table 26 on page 67 describes the passive QSFP+ DAC breakout cable
specifications.
Table 25: QSFP+ DAC Passive Breakout Cable Specifications
SpecificationsProduct SKU
40-Gbps full-duplex serial transmissionRateQFX-QSFP-DACBO-1M
Copper pigtailConnector type
3.3 VSupply voltage
–40
°
C to 85
°
CStorage temperature
TwinaxCable type
30 AWGWire AWG
1 in. (2.54 cm)Minimum cable bend radius
100 ohmsCable characteristic impedance
4.3 nsec/mTime delay
1 m (3.3 ft)Length
Copyright © 2014, Juniper Networks, Inc.66
EX4600 Switch Hardware Guide

Juniper EX4600 Series Specifications

General

Product Series	EX4600
10GbE ports	24 or 48
Cooling	Front-to-back or back-to-front airflow
Rack Units	1 U
Virtual Chassis	Up to 10 members
MAC address table size	288, 000 entries
Memory	8 GB DRAM
Layer 3 Routing	Yes
AC Power Input	100-240V AC
Ports	24 or 48 x 10GbE ports
40GbE ports	4
100GbE ports	0
Power Supply	Dual redundant, hot-swappable AC or DC
Jumbo frames	9216 bytes
Operating temperature	0°C to 45°C
Input voltage	100-240 VAC, -40 to -72 VDC
Operating relative humidity	5% to 90% noncondensing
Fans	Redundant
JUNOS OS	Junos OS
Storage	16 GB flash
DC Power Input	-40 to -72 VDC