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.
describes the passive QSFP+ DAC breakout cable specifications.
•
Active DAC cables have signal amplification and equalization built into the cable
assembly.
describes the passive QSFP+ DAC breakout cable
specifications.
Table 25: QSFP+ DAC Passive Breakout Cable Specifications
Specifications
Product SKU
40-Gbps full-duplex serial transmission
Rate
QFX-QSFP-DACBO-1M
Copper pigtail
Connector type
3.3 V
Supply voltage
–40
°
C to 85
°
C
Storage temperature
Twinax
Cable type
30 AWG
Wire AWG
1 in. (2.54 cm)
Minimum cable bend radius
100 ohms
Cable characteristic impedance
4.3 nsec/m
Time delay
1 m (3.3 ft)
Length
Copyright © 2014, Juniper Networks, Inc.
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