Dell N1524P Firmware Upgrading Instruction - Page 13

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Upgrade Dell EMC Networking N1500 Series Switches

Switch Recovery Procedure

NOTE:

To perform switch recovery disconnect the stacking cables

connected to each switch. Connect each switch individually via the serial

port. Stack members can't be recovered unless the switch is connected

directly to serial port.

1. Connect a serial cable to the serial console port on the switch (8-No Parity-1-9600-No Flow Control). Use

the supplied RJ45 Yost to DB9 serial cable. Connect the RJ45 end to the switch console port and the DB9

connector to your PC. Set the terminal emulation software (for example., PuTTY) to the correct settings

(default setting 9600 baud, 8 data bits, no parity bit, 1 stop bit, and no flow control).

Figure.3 N1524 Switch with 24 10/100/1000BASE‐T Ports and 4 10G SFP+ Ports (Front Panel)

2. When the boot menu appears, select 2 – Start Boot Menu within 10 seconds of the prompt appearing. If the

boot menu does not appear after power cycling the switch, check the serial port settings and the serial cable

connections. Make sure that RTS/CTS (HW flow control) and XON/XOFF (SW flow control) are disabled

on the terminal. It is preferred to use the serial cable supplied with the switch. If you do not have the

original serial cable, it may be necessary to use a NULL modem device to access the switch via the serial

cable. Check the serial cable setup with an operational switch to verify that it works properly.

3. Download 6.5.2.9 firmware to the switch using TFTP by selecting option 4 - Load new operational code

from the boot menu.

4. Verify that the firmware has been updated to the 6.5.2.9 version using the show version command.

1. Connect a serial cable to the serial console port of the switch (8-No Parity-1-9600-No Flow Control)

2. Power cycle the switch

3. When the boot menu appears, select 2 – Start Boot Menu

Dell Networking Boot Options

============================

Select a menu option within 3 seconds or the Operational Code will start automatically...

1 - Start Operational Code

2 - Display Boot Menu

Select (1, 2) #

RJ-45 serial console port

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