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Appendix D Cables
This chapter describes cables used for connecting network ports.
Table 53 Cable description
Cable
Console cable
Ethernet twisted pair cable
Optical fiber
SFP+ cable
QSFP+ cable
QSFP+ to SFP+ cable
Console cable
A console cable is an 8-core shielded cable, with a crimped RJ-45 connector at one end for connecting
to the console port of the switch, and a DB-9 female connector at the other end for connecting to the
serial port on the console terminal.
Figure 45 Console cable
Ethernet twisted pair cable
An Ethernet twisted pair cable consists of four pairs of insulated wires twisted together. It mainly transmits
analog signals and is advantageous in transmitting data over shorter distances. The maximum
transmission distance is 100 m (328.08 ft).
Port type
RJ-45 Ethernet port at one
end and DB-9 port at the
other end
RJ-45 Ethernet ports
XFP/SFP+/SFP/CFP/QSFP+
ports
SFP+ ports
QSFP+ ports
QSFP+ port at one end and
SFP+ port at the other end
86
Application
Connects the console port of the switch to the
console terminal
Connects RJ-45 Ethernet ports to transmit data.
Connects the fiber ports to transmit data.
Connects SFP+ ports to transmit data.
Connects QSFP+ ports to transmit data.
Connects the QSFP+ port at one end and the
SFP+ port at the other end.
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