جونيپر نيٽ ورڪ EX3400-48P ايٿرنيٽ سوئچ يوزر مينوئل

1. تعارف

This manual provides essential information for the installation, operation, maintenance, and troubleshooting of your Juniper Networks EX3400-48P Ethernet Switch. The EX3400-48P is designed to deliver a high-performance, flexible, and cost-effective solution for demanding data, voice, and video enterprise access environments. It supports Juniper Networks Virtual Chassis technology for simplified network operations.

2. حفاظت جي ڄاڻ

Please read and understand all safety instructions before installing or operating the device. Failure to follow these guidelines may result in injury or damage to the equipment.

• سامان جي مناسب گرائونڊ کي يقيني بڻايو وڃي.
• سوئچ کي گلي يا ڊي ۾ نه هلايوamp حالتون.
• Use only the power supply provided or approved by Juniper Networks.
• اوور گرم ٿيڻ کان بچڻ لاءِ وينٽيليشن جي سوراخن کي روڪڻ کان پاسو ڪريو.
• Refer to qualified service personnel for any servicing not described in this manual.

3. پراڊڪٽ ختمview

The Juniper Networks EX3400-48P is a 48-port Power over Ethernet (PoE+) capable Ethernet switch. It features a compact design suitable for rack mounting and offers various connectivity options.

3.1. جسماني جزا

شڪل 1: زاويه view of the Juniper EX3400-48P Ethernet Switch, showing the top and front panels with the Juniper Networks logo.

شڪل 2: سامهون view of the EX3400-48P switch, highlighting the 48 Ethernet ports, uplink ports, and status LEDs.

شڪل 3: ريڙهه view of the EX3400-48P, displaying the modular power supply bay, fan modules, management (MGMT) port, and console (CON) port.

شڪل 4: ڪنڊ وارو پوئين حصو view of the EX3400-48P, showing the power supply unit partially extracted, illustrating its modular design.

3.2. فرنٽ پينل جون خاصيتون

• 48 x 10/100/1000BASE-T Ethernet Ports: For connecting network devices.
• Uplink بندرگاهن: SFP/SFP+ ports for high-speed connections to other switches or routers.
• حالت LEDs: Indicators for system status, port activity, and PoE status.

3.3. پوئين پينل جون خاصيتون

• Power Supply Bay: Houses the modular power supply unit.
• فين ماڊلز: Provide cooling for the system.
• Management (MGMT) Port: An out-of-band Ethernet port for device management.
• Console (CON) Port: For local serial console access.

4. سيٽ اپ

4.1. Unpacking ۽ انسپيڪشن

Carefully remove the switch from its packaging. Inspect the device for any signs of physical damage. Report any damage to your supplier immediately.

4.2. ريڪ چڙهڻ

The EX3400-48P is designed for standard 19-inch rack installation. Use the provided rack-mount brackets and screws to secure the switch in the rack. Ensure adequate space for airflow around the unit.

4.3. پاور ڪنيڪشن

1. Ensure the power switch on the rear panel is in the OFF position.
2. Connect the power cord to the power supply unit on the rear of the switch.
3. پاور ڪنڊ جي ٻئي ڇيڙي کي گرائونڊ ٿيل AC پاور آئوٽليٽ ۾ لڳايو.
4. Flip the power switch to the ON position. The system status LED should illuminate.

4.4. شروعاتي ترتيب

For initial configuration, connect a console cable from your computer to the console port on the rear of the switch. Use a terminal emulation program (e.g., PuTTY, Tera Term) with the following settings:

• بود جي شرح: 9600
• ڊيٽا بٽ: 8
• برابري: ڪوبه نه
• اسٽاپ بٽس: 1
• وهڪري ڪنٽرول: ڪو به نه

Follow the on-screen prompts to set up basic network parameters such as IP address, subnet mask, and default gateway.

5. آپريٽنگ

5.1. پاور آن/آف

• پاور آن: After connecting the power cord, press the power switch to the ON position. The switch will perform a power-on self-test (POST).
• بجلي بند: To power off, press the power switch to the OFF position. For a controlled shutdown, it is recommended to save the configuration and issue a shutdown command via the command-line interface (CLI) before physically powering off.

5.2. ايل ايم ڊي اشارا

فرنٽ پينل ايل اي ڊي سوئچ جي آپريشن جي بصري حيثيت فراهم ڪن ٿا:

• SYS LED: Indicates overall system status (e.g., green for normal operation, amber for warning, red for critical error).
• ALM LED: الارم جي حالت کي اشارو ڪري ٿو.
• PoE LED: Indicates Power over Ethernet status.
• پورٽ LEDs: هر ايٿرنيٽ پورٽ لاءِ لنڪ جي حيثيت ۽ سرگرمي ظاهر ڪريو.

5.3. نيٽورڪ جي ٺاھ جوڙ

The EX3400-48P can be configured via its command-line interface (CLI) or a web-based graphical user interface (GUI) if enabled. Common configurations include:

• VLAN creation and assignment.
• Port security settings.
• Routing protocols.
• Quality of Service (QoS) settings.
• Spanning Tree Protocol (STP) configuration.

Refer to the Juniper Networks documentation for detailed configuration guides specific to Junos OS.

6. سار سنڀال

6.1. فرمائيندڙ تازه ڪاريون

باقاعدي طور تي جونيپر نيٽ ورڪ سپورٽ چيڪ ڪريو website for the latest Junos OS firmware updates. Keeping the firmware up-to-date ensures optimal performance, security, and access to new features. Follow the instructions provided with the firmware package for the update procedure.

6.2. صفائي

Keep the switch clean and free of dust. Use a soft, dry cloth to wipe the exterior. For ventilation openings, use compressed air to remove dust buildup. Ensure the switch is powered off before cleaning.

6.3. Modular Component Replacement

The EX3400-48P features modular power supplies and fan trays. If a component fails, it can be replaced without powering down the entire switch (hot-swappable). Refer to the Juniper Networks hardware guide for specific replacement procedures.

7. مسئلا حل ڪرڻ

هي حصو انهن عام مسئلن جو حل فراهم ڪري ٿو جيڪي توهان کي درپيش اچي سگهن ٿا.

7.1. ڪابه طاقت

• پڪ ڪريو ته پاور ڪنڊ محفوظ طور تي سوئچ ۽ پاور آئوٽليٽ ٻنهي سان ڳنڍيل آهي.
• چيڪ ڪريو ته پاور آئوٽ ڪارائتو آهي.
• Ensure the power switch on the rear panel is in the ON position.
• Inspect the power supply unit for any fault indicators.

7.2. No Link on Port

• ٻنهي پاسن تي ايٿرنيٽ ڪيبل ڪنيڪشن چيڪ ڪريو.
• پڪ ڪريو ته ڳنڍيل ڊوائيس آن آهي ۽ صحيح طريقي سان ڪم ڪري رهيو آهي.
• Try a different port on the switch.
• Verify the cable is not damaged and meets specifications (e.g., Cat5e or higher).

7.3. نيٽ ورڪ ڪنيڪٽوٽي جا مسئلا

• Verify IP address, subnet mask, and gateway settings on the switch and connected devices.
• جيڪڏهن لاڳو هجي ته VLAN ترتيبن جي جانچ ڪريو.
• Use diagnostic tools like ping ۽ traceroute from the switch CLI.
• Consult system logs for error messages.

8. وضاحتون

The following table outlines the technical specifications for the Juniper Networks EX3400-48P Ethernet Switch:

9. وارنٽي ۽ سپورٽ

9.1. پراڊڪٽ وارنٽي

This product is typically covered by a manufacturer's warranty. Please refer to the specific warranty terms provided at the time of purchase or on the official Juniper Networks website. A 30-day return policy may apply depending on the vendor.

9.2. ٽيڪنيڪل سپورٽ

For technical assistance, documentation, software downloads, and further support, please visit the official Juniper Networks support website. You may also contact your authorized Juniper Networks reseller for local support options.