Cisco Catalyst 9300 48-Port PoE+, Network Essentials Switch User Manual

1. ບົດແນະນຳ

This manual provides essential information for the installation, operation, and maintenance of your Cisco Catalyst 9300 48-Port PoE+, Network Essentials switch. The Cisco Catalyst 9300 Series is a high-performance, stackable enterprise switching platform designed for security, IoT, mobility, and cloud environments. It offers 48 Gigabit Ethernet ports with PoE+ capabilities, a flexible uplink architecture, and advanced features for modern network demands.

2. ຂໍ້ມູນຄວາມປອດໄພ

ປະຕິບັດຕາມຄວາມລະມັດລະວັງດ້ານຄວາມປອດໄພຕໍ່ໄປນີ້ເພື່ອປ້ອງກັນການບາດເຈັບ ແລະຄວາມເສຍຫາຍຂອງອຸປະກອນ:

• ຮັບປະກັນການໃສ່ພື້ນດິນທີ່ເຫມາະສົມຂອງອຸປະກອນ.
• ຢ່າໃຊ້ສະວິດໃນເວລາທີ່ປຽກ ຫຼື ເປື້ອນamp ເງື່ອນໄຂ.
• ຕັດການເຊື່ອມຕໍ່ໄຟຟ້າກ່ອນທີ່ຈະດໍາເນີນການບໍາລຸງຮັກສາຫຼືການຕິດຕັ້ງຂັ້ນຕອນ.
• ໃຊ້ສາຍໄຟ ແລະ ອຸປະກອນເສີມທີ່ໄດ້ຮັບການອະນຸມັດເທົ່ານັ້ນ.
• ຕິດຕັ້ງສະວິດໃນບໍລິເວນທີ່ມີລະບາຍອາກາດດີເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນໄປ.

3. ເນື້ອໃນຊຸດ

ກວດ​ສອບ​ວ່າ​ລາຍ​ການ​ທັງ​ຫມົດ​ແມ່ນ​ມີ​ຢູ່​ໃນ​ຊຸດ​:

• Cisco Catalyst 9300 48-Port PoE+ Switch (C9300-48P-E)
• ສາຍໄຟ
• Rack-mount Kit (brackets, screws)
• ສາຍຄອນໂຊນ (RJ-45 ຫາ DB-9)
• ເອກະສານ (ຄູ່ມືເລີ່ມຕົ້ນດ່ວນ, ຂໍ້ມູນຄວາມປອດໄພ)

4. ທາງກາຍview

The Cisco Catalyst 9300-48P-E switch features 48 Gigabit Ethernet ports with Power over Ethernet Plus (PoE+) capabilities, along with uplink ports and a dedicated stack port for high-density network deployments.

ຮູບ 4.1: ດ້ານຫນ້າ view of stacked Cisco Catalyst 9300 switches, showing 48 Gigabit Ethernet ports, uplink modules, and console ports.

4.1 ກະດານດ້ານ ໜ້າ

ແຜງດ້ານຫນ້າປະກອບມີ:

• 48 x 10/100/1000Base-T Ethernet Ports: Support PoE+ (IEEE 802.3at) for powering connected devices.
• Uplink Module Slot: For installing optional uplink modules (e.g., 10G, 25G, 40G, 100G).
• ພອດຄອນໂຊນ (RJ-45): For out-of-band management.
• USB Type-A Port: For external storage or software upgrades.
• ຕົວຊີ້ວັດ LED: System status, PoE status, port status.

Figure 4.2: Close-up of the Cisco Catalyst 9300 front panel, highlighting the 48 network ports and module slots.

4.2 ແຜງດ້ານຫລັງ

ແຜງດ້ານຫຼັງໂດຍປົກກະຕິແລ້ວປະກອບມີ:

• Power Supply Module Slots: For redundant power supplies.
• StackWise-480 Ports: For stacking multiple switches.
• ກົກດິນ: For chassis grounding.

5. ຕັ້ງຄ່າ

5.1 ການຕິດຕັ້ງ Rack

1. ຕິດຂາຍຶດແບບຕິດຕັ້ງທີ່ໃຫ້ມາໃສ່ດ້ານຂ້າງຂອງສະວິດໂດຍໃຊ້ສະກູທີ່ໃຫ້ມາ.
2. Secure the switch into a standard 19-inch equipment rack using appropriate rack screws. Ensure adequate clearance for airflow.

5.2 ການເຊື່ອມຕໍ່ພະລັງງານ

1. Connect the power cord to the AC power receptacle on the rear of the switch.
2. ສຽບສາຍໄຟອີກດ້ານໜຶ່ງເຂົ້າໄປໃນປ້ຳໄຟຟ້າທີ່ມີສາຍດິນ.
3. Ensure the power supply is properly seated and secured.

5.3 ການເຊື່ອມຕໍ່ເຄືອຂ່າຍ

• Connect Ethernet cables from your network devices (computers, access points, IP phones) to the 48 Gigabit Ethernet ports on the front panel.
• For uplink connectivity, install the appropriate uplink module (if not pre-installed) and connect fiber or copper cables to your core network or other switches.
• For stacking, connect StackWise-480 cables between the stack ports of multiple Catalyst 9300 switches.

5.4 ການຕັ້ງຄ່າເບື້ອງຕົ້ນ

1. Connect a computer to the console port using the provided console cable.
2. Use a terminal emulation program (e.g., PuTTY, Tera Term) with settings: 9600 baud, 8 data bits, no parity, 1 stop bit, no flow control.
3. Power on the switch. The boot process will display messages on the console.
4. Follow the on-screen prompts to perform initial setup, including setting the hostname, IP address, and administrative passwords.

6. ການດໍາເນີນງານຂອງ Switch

6.1 ເປີດ/ປິດ

To power on the switch, ensure the power cord is securely connected to a live outlet. The switch will automatically begin its boot sequence. To power off, disconnect the power cord. For graceful shutdown, use the appropriate command-line interface (CLI) commands.

6.2 ຕົວຊີ້ວັດ LED

ຕິດຕາມໄຟ LED ຢູ່ເທິງແຜງດ້ານໜ້າເພື່ອເຂົ້າໃຈສະຖານະການເຮັດວຽກຂອງສະວິດ:

• ລະບົບ LED: Indicates overall system health (e.g., green for normal, amber for warning, red for critical).
• LED PoE: Shows the status of Power over Ethernet (e.g., green for active PoE, amber for fault).
• LED ສະຖານະພອດ: Indicate link status and activity for each network port (e.g., green for link, blinking for activity).

6.3 ອຸປະກອນເຊື່ອມຕໍ່

Connect network devices to the Gigabit Ethernet ports. For devices requiring power, ensure they are PoE-compatible and the switch's PoE budget is sufficient. The switch automatically detects and provides power to PoE-enabled devices.

6.4 ຄຸນສົມບັດຂັ້ນສູງ

The Cisco Catalyst 9300 supports advanced features such as:

• StackWise Virtual: For creating a single logical switch from multiple physical switches.
• Cisco IOS XE: A modern, programmable operating system for advanced network management and automation.
• ຄຸນນະສົມບັດຄວາມປອດໄພ: Integrated security for threat detection and mitigation.

7. ບໍາລຸງຮັກສາ

7.1 ການທໍາຄວາມສະອາດ

Periodically clean the exterior of the switch with a soft, dry, lint-free cloth. Do not use liquid or aerosol cleaners directly on the switch. Ensure ventilation openings are free from dust and obstructions.

7.2 ການອັບເດດເຟີມແວ

ກວດສອບການສະໜັບສະໜູນຂອງ Cisco ເປັນປະຈຳ webເວັບໄຊທ໌ສຳລັບການອັບເດດເຟີມແວລ່າສຸດ. ການນຳໃຊ້ການອັບເດດສາມາດປັບປຸງປະສິດທິພາບ, ເພີ່ມຄຸນສົມບັດໃໝ່ ແລະ ແກ້ໄຂຊ່ອງໂຫວ່ດ້ານຄວາມປອດໄພ. ປະຕິບັດຕາມເອກະສານທາງການຂອງ Cisco ສຳລັບຂັ້ນຕອນການອັບເກຣດເຟີມແວ.

7.3 ການພິຈາລະນາດ້ານສິ່ງແວດລ້ອມ

Maintain the operating environment within specified temperature and humidity ranges. Ensure proper airflow around the switch to prevent overheating. Refer to the specifications section for environmental limits.

8. ການແກ້ໄຂບັນຫາ

8.1 ບໍ່ມີພະລັງງານ

• Verify the power cord is securely connected to both the switch and a working electrical outlet.
• Check the power supply module(s) are properly seated.
• ທົດສອບປ່ຽງໄຟຟ້າດ້ວຍອຸປະກອນອື່ນ.

8.2 ບໍ່ມີການເຊື່ອມຕໍ່ເຄືອຂ່າຍ

• Check the port status LEDs for a link light. If no link, try a different cable or port.
• ກວດ​ສອບ​ວ່າ​ອຸ​ປະ​ກອນ​ທີ່​ເຊື່ອມ​ຕໍ່​ນັ້ນ​ເປີດ​ແລະ​ເຮັດ​ວຽກ​ຖືກ​ຕ້ອງ.
• Ensure correct VLAN and IP configurations on the switch and connected devices.

8.3 PoE Device Not Powering On

• Confirm the connected device is PoE-compatible (IEEE 802.3af/at).
• Check the PoE LED on the switch for any fault indications.
• Verify the switch's total PoE budget is not exceeded.
• Ensure PoE is enabled on the specific port via CLI.

9. ຂໍ້ມູນຈໍາເພາະ

10. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ

Cisco products typically come with a limited hardware warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official Cisco website. Technical support, software downloads, and additional documentation are available through the Cisco Support Community and Cisco's official support channels.

ສະຫນັບສະຫນູນ Cisco Webເວັບໄຊ: https://www.cisco.com/go/support

11. ຂໍ້ມູນການປະຕິບັດຕາມ

This device complies with relevant international and national regulations for electromagnetic compatibility (EMC) and safety. For detailed compliance statements and certifications, refer to the product's regulatory compliance documentation available on the Cisco webເວັບໄຊ.