Juniper QFX Series User Manual

Table 37: SFP+ Active Direct Attach Copper Cable Specifications
SpecificationsModel
10-Gbps full-duplex serial transmissionRateQFX-SFP-DAC-1MA
Copper pigtailConnector type
3.3 VSupply voltage
0.627 WPower consumption (per end)
–40
°
C to 85
°
CStorage temperature
TwinaxCable type
30 AWGWire AWG
1 in. (2.54 cm)Minimum cable bend radius
100 ohmsCable characteristic impedance
2% maximumCrosstalk between pairs
1 m (3.3 ft)Length
Junos OS Release 11.1 or laterSoftware required
10-Gbps full-duplex serial transmissionRateQFX-SFP-DAC-3MA
Copper pigtailConnector type
3.3 VSupply voltage
0.627 WPower consumption (per end)
–40
°
C to 85
°
CStorage temperature
TwinaxCable type
30 AWGWire AWG
1 in. (2.54 cm)Minimum cable bend radius
100 ohmsCable characteristic impedance
2% maximumCrosstalk between pairs
3 m (9.9 ft)Length
Junos OS Release 11.1 or laterSoftware required
Copyright © 2012, Juniper Networks, Inc.122
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)