Cisco Catalyst 3750-24PS-S Switch User Manual

1. Produk Lebihview

The Cisco Catalyst 3750-24PS-S is a 24-port Fast Ethernet switch with Power over Ethernet (PoE) capabilities, designed for enterprise-class LAN access. This switch is manageable and features two Small Form-Factor Pluggable (SFP) uplink ports for flexible connectivity. This particular unit is a pre-owned or refurbished product, professionally inspected and tested to function like new, as part of the Amazon Renewed program.

Rajah 1: Front panel of the Cisco Catalyst 3750-24PS-S switch. This image displays the front panel of the Cisco Catalyst 3750-24PS-S switch. It features 24 Fast Ethernet ports with Power over Ethernet (PoE) capabilities, arranged in two rows of twelve ports each. On the right side, there are two small form-factor pluggable (SFP) uplink ports for fiber optic connections, along with status indicator LEDs.

2. Persediaan dan Pemasangan

2.1 Membongkar dan Pemeriksaan

Carefully unpack the switch and its accessories. Inspect all components for any signs of damage. If any damage is found, contact your supplier immediately.

2.2 Pemasangan Rak (Pilihan)

The switch is designed for standard 19-inch rack mounting. Use the provided rack-mount brackets and screws to secure the switch in a rack. Ensure adequate ventilation around the unit.

2.3 Sambungan Kuasa

1. Sambungkan kord kuasa ke penyambung kuasa AC pada panel belakang suis.
2. Pasangkan hujung kord kuasa yang satu lagi ke dalam soket kuasa AC yang dibumikan.
3. Sahkan bahawa LED sistem pada panel hadapan menyala, menunjukkan kuasa dibekalkan.

2.4 Sambungan Rangkaian

1. Port Ethernet: Connect network devices (e.g., computers, IP phones, wireless access points) to the 24 Fast Ethernet (10/100) ports using standard Ethernet cables. These ports support Power over Ethernet (PoE).
2. Pelabuhan Uplink: Use the two SFP ports for high-speed uplink connections to other switches or routers, typically with fiber optic transceivers.
3. Pelabuhan Konsol: For initial configuration and management, connect a console cable (RJ-45 to DB-9) from a terminal or computer to the console port on the switch.

3. Arahan Operasi

3.1 Menghidupkan

Once connected to power, the switch will automatically power on. Observe the system LED on the front panel. A solid green light indicates normal operation.

3.2 Penunjuk LED

LED panel hadapan menyediakan maklumat status:

• LED sistem: Indicates overall system status (e.g., green for normal, amber for fault).
• LED RPS: Indicates Redundant Power System status.
• LED Status Pelabuhan: Each Fast Ethernet port has an LED indicating link status and activity.
• PoE Status LEDs: Indicate the Power over Ethernet status for each port.

3.3 Basic Connectivity

After connecting devices to the Ethernet ports, they should establish a link. The corresponding port LED will illuminate. If a device is PoE-enabled and requires power, the PoE LED for that port will also indicate power delivery.

3.4 Akses Pengurusan

The Cisco Catalyst 3750-24PS-S is a manageable switch. Access to the command-line interface (CLI) for configuration and monitoring can be achieved via:

• Pelabuhan Konsol: Direct connection for initial setup.
• Telnet/SSH: Remote access over the network once an IP address is configured.
• SNMP: For network management systems.

4. Penyelenggaraan

4.1 Pembersihan

Bersihkan bahagian luar suis secara berkala dengan kain lembut dan kering. Jangan gunakan cecair atau pembersih aerosol. Pastikan bukaan pengudaraan bebas daripada habuk dan halangan.

4.2 Pertimbangan Alam Sekitar

Operate the switch within its specified temperature and humidity ranges. Ensure proper airflow to prevent overheating. Avoid exposing the switch to direct sunlight or excessive moisture.

4.3 Kemas Kini Perisian Tegar

Periksa Cisco secara berkala website for available firmware updates. Applying updates can improve performance, add features, and address security vulnerabilities. Follow Cisco's specific instructions for firmware upgrade procedures.

5. Penyelesaian masalah

5.1 Tiada Kuasa

• Sahkan kord kuasa disambungkan dengan selamat ke kedua-dua suis dan alur keluar kuasa.
• Periksa soket kuasa dengan peranti lain untuk memastikan ia berfungsi.
• Ensure the power supply unit (if external) is properly connected and functioning.

5.2 Tiada Pautan pada Port

• Periksa sambungan kabel Ethernet di kedua-dua hujungnya.
• Cuba kabel Ethernet yang berbeza.
• Connect a different device to the port to isolate the issue.
• Verify the device connected to the port is powered on and functioning correctly.

5.3 PoE Not Working

• Pastikan peranti yang disambungkan serasi dengan PoE.
• Periksa status LED PoE untuk port tertentu.
• Verify that the switch has sufficient power budget for all connected PoE devices.

5.4 Isu Ketersambungan Rangkaian

• Verify IP address configuration on the switch and connected devices.
• Check routing configurations if devices are on different subnets.
• Consult the Cisco documentation for advanced troubleshooting steps related to specific network configurations.

6. Spesifikasi

7. Waranti dan Sokongan

7.1 Jaminan Diperbaharui Amazon

This product is covered by the Amazon Renewed Guarantee. If you are not satisfied with your purchase, renewed products are eligible for replacement or refund within 90 days of receipt.

7.2 Sokongan Teknikal

For technical assistance with the Cisco Catalyst 3750-24PS-S switch, refer to the official Cisco documentation available on their website. For issues related to your purchase or the Amazon Renewed Guarantee, please contact Amazon customer service or the seller, Network Hardware Depot.