NOTE: We recommend that you use only SFP+ DAC cables purchased from
Juniper Networks with your Juniper Networks device.
CAUTION: If you face a problem running a Juniper Networks device that uses
a third-party optic or cable, the Juniper Networks TechnicalAssistance Center
(JTAC) can help you diagnose the source of the problem. Your JTAC engineer
might recommendthat you check thethird-partyoptic or cable and potentially
replace it with an equivalent Juniper Networks optic or cable that is qualified
for the device.
The cables are hot-removable and hot-insertable: You can remove and replace them
without powering off the switch or disrupting switch functions. A cable comprises a
low-voltage cable assembly that connects directly into two 10-Gigabit Ethernet ports,
one at each end of the cable. The cables use high-performance integrated duplex serial
data links for bidirectional communication and are designed for data rates of up to
10 Gbps.
Table 45 on page 113 describes the cable specifications.
Table 45: SFP+ Direct Attach Copper Cable Specifications
ValueSpecificationModel Number
10-Gbps full-duplex serial transmissionRateEX-SFP-10GE-DAC-1M
SFP+ passive Twinax cable assemblyConnector type
3.3 VSupply voltage
0.57 WPower consumption (per end)
–40° F (–40° C) through 185° F (85° C)Storage temperature
TwinaxCable type
30 AWGWire AWG
1 in. (2.54 cm)Minimum cable bend radius
100 ohmsCable characteristic impedance
2% maximumCrosstalk between pairs
1.31 nsec/ftTime delay
3.3 ft (1 m)Length
113Copyright © 2016, Juniper Networks, Inc.
Chapter 8: Transceiver and Cable Specifications
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