Table 75: Qsfp+ Direct Attach Cable Specifications - Juniper EX4300 Hardware Manual

EX4300 Switch Hardware Guide

Table 75: QSFP+ Direct Attach Cable Specifications

Model Number
EX-QSFP-40GE-DAC-50CM
134
or cable and potentially replace it with an equivalent Juniper Networks optic
or cable that is qualified for the device.
Table 75 on page 134 describes the cable specifications.
Specification
Rate
Connector type
Supply voltage
Power consumption (per end)
Storage temperature
Cable type
Wire AWG
Minimum cable bend radius
Cable characteristic impedance
Crosstalk between pairs
Time delay
Length
Value
40-Gbps full-duplex serial transmission
QSFP+ passive Twinax cable assembly
3.3 V
0.015 W
° °
–40 C through 85 C
Twinax
30 AWG
2.54 cm (1 in.)
100 ohms
1% maximum
4.3 nsec/ft
0.5 m (1.6 ft)
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