1. ভূমিকা
This manual provides essential information for the installation, operation, and maintenance of your Juniper Networks QFX3500-48S4Q switch. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. নিরাপত্তা তথ্য
সর্বদা নিম্নলিখিত নিরাপত্তা সতর্কতাগুলি পালন করুন:
- Ensure proper grounding before connecting power.
- ভেজা বা অতিরিক্ত আর্দ্র পরিবেশে সুইচটি চালাবেন না।
- শুধুমাত্র নির্দিষ্ট পাওয়ার সাপ্লাই ব্যবহার করুন।
- অতিরিক্ত উত্তাপ রোধ করতে বায়ুচলাচল খোলার ব্লক এড়িয়ে চলুন।
- যোগ্য কর্মীদের সমস্ত পরিষেবার উল্লেখ করুন।
3. পণ্য শেষview
The Juniper Networks QFX3500-48S4Q is a high-performance, 48-port SFP+/SFP and 4-port QSFP switch designed for data center and enterprise environments. It supports high-density 10 Gigabit Ethernet and 40 Gigabit Ethernet connectivity, offering flexible deployment options.

Figure 1: Front Panel of QFX3500-48S4Q Switch. This image displays the front of the Juniper Networks QFX3500-48S4Q switch, highlighting its 48 SFP/SFP+ ports for 10 Gigabit Ethernet, 4 QSFP ports for 40 Gigabit Ethernet, and the integrated power supply and fan modules on either side. The central display shows status indicators and the Juniper logo.
3.1 মূল বৈশিষ্ট্য
- 48 SFP/SFP+ ports for 10GbE connectivity.
- 4 QSFP ports for 40GbE connectivity.
- High-performance switching capabilities.
- Airflow In design for efficient cooling.
4. সেটআপ এবং ইনস্টলেশন
২.১ সুইচটি খুলে ফেলা
Carefully remove the switch from its packaging. Verify that all components listed in the packing list are present and undamaged. Report any missing or damaged items to your supplier immediately.
4.2 র্যাক মাউন্টিং
The QFX3500-48S4Q is designed for standard 19-inch rack mounting. Use the provided rack-mount kit and follow these steps:
- Attach the mounting brackets to the sides of the switch using the supplied screws.
- উপযুক্ত র্যাক স্ক্রু ব্যবহার করে র্যাকের মধ্যে সুইচটি সুরক্ষিত করুন।
- Ensure adequate space for airflow around the switch.
4.3 পাওয়ার সংযোগ
Connect the power cord(s) to the power supply unit(s) at the rear of the switch and then to a grounded AC power outlet. The switch supports redundant power supplies for enhanced reliability.
4.4 প্রাথমিক কনফিগারেশন
Connect a console cable to the console port on the front panel. Use a terminal emulator (e.g., PuTTY, Tera Term) with the following settings:
- বাড রেট: 9600
- ডেটা বিট: 8
- সমতা: কোনটাই না
- স্টপ বিট: 1
- প্রবাহ নিয়ন্ত্রণ: কোনোটিই নয়
Follow the on-screen prompts to perform initial setup, including setting the root password and basic network parameters.
৫. সুইচ পরিচালনা করা
5.1 পাওয়ারিং অন/অফ
To power on, ensure power cords are connected. The switch will automatically begin its boot sequence. To power off, disconnect the power cords. For graceful shutdown, use the appropriate command-line interface (CLI) commands.
5.2 সংযোগকারী ডিভাইস
Connect network devices (servers, other switches) to the SFP/SFP+ ports using compatible transceivers and fiber optic cables, or to the QSFP ports for 40GbE connections. Ensure proper cable types are used for optimal performance.
5.3 স্থিতি সূচক
Monitor the LED indicators on the front panel for system status, port activity, and power status. Refer to the official Juniper Networks documentation for a detailed explanation of each LED.
6. রক্ষণাবেক্ষণ
6.1 পরিষ্কার করা
Periodically clean the exterior of the switch with a soft, dry cloth. Ensure ventilation openings are free from dust and debris. Do not use liquid cleaners directly on the device.
6.2 ফার্মওয়্যার আপডেট
Regularly check the Juniper Networks support website for the latest firmware updates. Applying updates can improve performance, add new features, and address security vulnerabilities. Follow the provided instructions carefully when performing firmware upgrades.
6.3 Fan and Power Supply Replacement
The QFX3500-48S4Q features hot-swappable fan modules and power supplies. In case of a failure, these components can be replaced without powering down the entire switch. Consult the Juniper Networks hardware guide for detailed replacement procedures.
7. সমস্যা সমাধান
7.1 ক্ষমতা নেই
- Verify power cords are securely connected to both the switch and the power outlet.
- কার্যকারিতার জন্য পাওয়ার আউটলেট পরীক্ষা করুন।
- Inspect power supply LEDs for error indications.
7.2 Port Link Issues
- Ensure correct transceiver and cable types are used for the port.
- Check cable integrity and connections.
- Verify port configuration (speed, duplex) on both ends of the link.
7.3 System Performance Degradation
- Check CPU and memory utilization via the CLI.
- Ensure adequate ventilation and operating temperature.
- Review system logs for error messages or warnings.
For advanced troubleshooting, consult the Juniper Networks technical documentation or contact support.
8. স্পেসিফিকেশন
| বৈশিষ্ট্য | বর্ণনা |
|---|---|
| মডেল | QFX3500-48S4Q |
| বন্দর | 48 x SFP+/SFP, 4 x QSFP |
| সংযোগ প্রোটোকল | এক্স-10 (Note: This may be a generic placeholder; actual protocols are Ethernet standards) |
| মাউন্ট টাইপ | ওয়াল মাউন্ট (Typically rack-mount for this type of switch) |
| আন্তর্জাতিক সুরক্ষা নির্ধারণ | IP00 |
| প্রস্তুতকারক | JUNIPER |
| ইউপিসি | 649661984948 |
Note: Specifications are subject to change without notice. For the most current information, refer to the official Juniper Networks product documentation.
9. ওয়্যারেন্টি এবং সমর্থন
This product is typically covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Juniper Networks website. For technical support, product registration, or additional resources, please visit the Juniper Networks support portal.
For products purchased as "Amazon Renewed," please refer to the Amazon Renewed Guarantee for return and replacement policies.





