
14
Cable
Port type
Application
QSFP28 port at one end and SFP28
ports at the other end
Connects the QSFP28 port and SFP28
ports to transmit data.
QSFP-DD ports
Connects QSFP-DD ports to transmit
data.
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 65 Console cable
Table 72 Connection between the console ports on the switch and console ports on a PC
(terminal)
RJ-45
Signal
DB-9
Signal
1
RTS
8
CTS
2
DTR
6
DSR
3
TXD
2
RXD
4
SG
5
SG
5
SG
5
SG
6
RXD
3
TXD
7
DSR
4
DTR
8
CTS
7
RTS
DC power cord
A DC power cord connects a DC power supply to an external DC power source.
Table 73 DC power cords available for the power supplies
DC power supply
DC power cord length
PSR2000-12D-B
3 m (9.84 ft)
15 m (49.21 ft)