Table 76: Qsfp+ Direct Attach Copper Cable Specifications - Juniper EX4300 Hardware Manual

Table 76: QSFP+ Direct Attach Copper Cable Specifications

Model Number Specification
EX-QSFP-40GE-DAC-50CM 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
Support for Virtual Chassis
configuration
Copyright © 2017, Juniper Networks, Inc.
Table 76 on page 143 describes the cable specifications.
Chapter 8: Transceiver and Cable Specifications
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
1.6 ft (0.5 m)
Yes
143