Management ports
Besides the 10 GbE and 40 GbE switch ports, the S4048–ON switch provides several ports for management and storage.
Topics:
• RS-232 console port access
• Micro USB-B console port access
• Before you install an OS
RS-232 console port access
The RS-232 console port is on the PSU-side of the S4048-ON chassis, as shown.
Figure 21. S4048–ON RS–232 console ports
1. Ethernet management port
2. RS-232 console port
NOTE:
When connecting the RJ45 console to the patch panel or terminal server using Cat 5e or Cat 6 Ethernet cables, the
maximum cable length is 100m. However, if the Ethernet cable is disconnected from the patch panel or terminal server but
connected to the RJ45 console, the maximum cable length is 6m. If the cable is longer than 6m when disconnected from
the panel or server, your switch may not boot.
NOTE: Before performing these steps, be sure that your personal computer has a 9-pin serial port and that you have a
terminal emulation program that is already installed and running on the personal computer.
NOTE: If your personal computer’s serial port cannot accept a female DB-9 connector, acquire a DB-9 male-to-male
adapter.
1. Install the provided RJ45 connector side of the provided cable into the S4048-ON console port.
2. Install the DB-9 female side of the provided copper cable into your personal computer’s serial port or into other data terminal
equipment (DTE) server hardware that you intend to use.
3. Keep the default terminal settings on the console as follows:
● 115200-baud rate—set the Micro-USB console port to 9600-baud rate
● No parity
● Eight data bits
● One stop bit
● No flow control
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32 Management ports
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