How to connect to 3Com Switch management using RS-232 serial connection?
To connect to management using an RS-232 serial connection, ensure your terminal emulator program is set to VT-100 compatible, 38400 baud rate, no parity, 8 data bits, and one stop bit. Use the included cable, or ensure the pin-out complies with a standard null-modem cable.
What to do if I cannot connect to 3Com 2924-PWR Switch management using HTTP or SNMP?
If you're unable to connect to the switch management using HTTP or SNMP, ensure the switch has a correctly configured IP address, subnet mask, and default gateway. Verify that your cable is properly connected and the port hasn't been disabled. Also, confirm your management station is plugged into the correct VLAN for device management. If Telnet or web connections fail, the maximum number of connections may be open; try again later.
What to do if no connection is established and the port LED is on in 3Com 2924-PWR Switch?
If no connection is established but the port LED is on, make sure the workstation has the correct network address configured. If no network address is set, configure it. Ensure the workstation uses the IP protocol. Also, check for a faulty Ethernet cable and replace it if needed. Faulty ports or modules may also be the cause, requiring module replacement. Finally, an incorrect initial configuration can cause this, so erase the connection and reconfigure the port.
What to do if my 3Com 2924-PWR device is in a reboot loop?
If your device is stuck in a reboot loop, it might be due to a software fault. Try downloading and installing a working or previous software version from the console.
What to do if no connection and the port LED is off on my 3Com 2924-PWR Switch?
If there's no connection and the port LED is off, the issue could be due to an incorrect Ethernet cable (e.g., crossed instead of straight, or split pair). Check the pinout and replace the cable if necessary. If using a fiber optic cable, ensure the connection isn't reversed by checking Rx and Tx. A bad cable could also be the problem, so replace it with a tested one. Finally, verify that all 10 Mbps connections use a Cat 5 cable. Check the port LED or zoom screen in the NMS application, and change setting if necessary.
Why is the response from the terminal emulation software not readable on my 3Com 2924-PWR Switch?
If the response from the terminal emulation software is unreadable, it could be due to a faulty serial cable. Try replacing the serial cable. Also, incorrect software settings can cause this, so reconfigure the emulation software connection settings.
Why is there no response from the terminal emulation software on my 3Com 2924-PWR Switch?
If there is no response from the terminal emulation software, the cause may be a faulty serial cable, try replacing it. Another possible cause is an incorrect serial cable, in this case replace it with a pin-to-pin straight/flat cable. Finally, the issue may be related to software settings, so try reconfiguring the emulation software connection settings.
How to fix 3Com Switch if self-test exceeds 15 seconds?
If the self-test takes more than 15 seconds, the device might not be correctly installed. Remove and reinstall the device.
General| Model | 2924-PWR |
|---|---|
| Ports | 24 |
| Gigabit Ports | 2 |
| Power over Ethernet (PoE) | Yes |
| Switching Capacity | 8.8 Gbps |
| Layer | 2 |
| Rack Mountable | Yes |
| Form Factor | 1U |
| MAC Address Table Size | 8000 entries |
| Jumbo Frame Support | No |
| VLAN Support | Yes |
| Type | Managed |
| Port Type | 10/100 Mbps |
| Dimensions | 44.0 x 25.7 x 4.4 cm |
| Weight | 4.4 kg |
Information for configuring system and network security.
Explains initial setup and management access methods.
Instructions on how to save device configuration.
Procedures for resetting the switch.
Defines users, passwords, and access levels for switch management.
Details on configuring port-based authentication using 802.1X.
Information on defining classification actions and rules for ports.
Instructions on how to save the current device configuration.
Allows configuration of port parameters for specific ports.
Optimizes port usage by linking groups of ports into a single LAG.
Allows the administrator to create or rename VLANs.
Fields for assigning an IP address to the device.
Assigns STP settings to specific interfaces.
Enhances VoIP service by configuring ports for IP voice traffic.
Permits managers to back up system configuration to a server.
Permits managers to retrieve the device software.
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