1. ບົດແນະນຳ
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. ຂໍ້ມູນຄວາມປອດໄພ
ປະຕິບັດຕາມຄວາມລະມັດລະວັງດ້ານຄວາມປອດໄພຕໍ່ໄປນີ້ສະເໝີ:
- ໃຫ້ແນ່ໃຈວ່າໄດ້ຕໍ່ສາຍດິນຢ່າງຖືກຕ້ອງກ່ອນທີ່ຈະເຊື່ອມຕໍ່ໄຟຟ້າ.
- Do not operate the switch in wet or excessively humid environments.
- ໃຊ້ພຽງແຕ່ການສະຫນອງພະລັງງານທີ່ກໍານົດໄວ້.
- ຫຼີກເວັ້ນການປິດຊ່ອງລະບາຍອາກາດເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນ.
- ອ້າງອີງການບໍລິການທັງໝົດໃຫ້ກັບບຸກຄະລາກອນທີ່ມີຄຸນວຸດທິ.
3. ຜະລິດຕະພັນເກີນview
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 ລັກສະນະທີ່ສໍາຄັນ
- 48 SFP/SFP+ ports for 10GbE connectivity.
- 4 QSFP ports for 40GbE connectivity.
- High-performance switching capabilities.
- Airflow In design for efficient cooling.
4. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
4.1 Unpacking the Switch
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 ການຕິດຕັ້ງ Rack
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.
- ຍຶດສະວິດເຂົ້າກັບຊັ້ນວາງໂດຍໃຊ້ສະກູຊັ້ນວາງທີ່ເໝາະສົມ.
- Ensure adequate space for airflow around the switch.
4.3 ການເຊື່ອມຕໍ່ພະລັງງານ
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 ການຕັ້ງຄ່າເບື້ອງຕົ້ນ
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:
- ອັດຕາ Baud: 9600
- ບິດຂໍ້ມູນ: 8
- Parity: ບໍ່ມີ
- ຢຸດ bits: 1
- ການຄວບຄຸມການໄຫຼເຂົ້າ: ບໍ່ມີ
Follow the on-screen prompts to perform initial setup, including setting the root password and basic network parameters.
5. ການດໍາເນີນງານຂອງ Switch
5.1 ການເປີດ/ປິດ
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 ອຸປະກອນເຊື່ອມຕໍ່
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 ຕົວຊີ້ວັດສະຖານະ
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. ບໍາລຸງຮັກສາ
6.1 ການທໍາຄວາມສະອາດ
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 ການອັບເດດເຟີມແວ
ກວດສອບການສະຫນັບສະຫນູນ Juniper Networks ເປັນປະຈໍາ webເວັບໄຊສຳລັບການອັບເດດເຟີມແວລ່າສຸດ. ການນຳໃຊ້ການອັບເດດສາມາດປັບປຸງປະສິດທິພາບ, ເພີ່ມຄຸນສົມບັດໃໝ່ ແລະ ແກ້ໄຂຊ່ອງໂຫວ່ດ້ານຄວາມປອດໄພ. ປະຕິບັດຕາມຄຳແນະນຳທີ່ໃຫ້ມາຢ່າງລະມັດລະວັງເມື່ອປະຕິບັດການອັບເກຣດເຟີມແວ.
6.3 ການປ່ຽນພັດລົມ ແລະ ແຫຼ່ງຈ່າຍໄຟ
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. ການແກ້ໄຂບັນຫາ
7.1 ບໍ່ມີພະລັງງານ
- Verify power cords are securely connected to both the switch and the power outlet.
- ກວດເບິ່ງປລັກສຽບໄຟສໍາລັບການເຮັດວຽກ.
- Inspect power supply LEDs for error indications.
7.2 ບັນຫາການເຊື່ອມຕໍ່ພອດ
- Ensure correct transceiver and cable types are used for the port.
- ກວດເບິ່ງຄວາມສົມບູນຂອງສາຍເຄເບີ້ນແລະການເຊື່ອມຕໍ່.
- 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. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ຕົວແບບ | QFX3500-48S4Q |
| ທ່າເຮືອ | 48 x SFP+/SFP, 4 x QSFP |
| ອະນຸສັນຍາການເຊື່ອມຕໍ່ | X-10 (Note: This may be a generic placeholder; actual protocols are Ethernet standards) |
| ປະເພດການຕິດຕັ້ງ | ຕິດຝາ (Typically rack-mount for this type of switch) |
| ການຈັດອັນດັບການປົກປ້ອງສາກົນ | IP00 |
| ຜູ້ຜະລິດ | ຈູນິເປີ |
| UPC | 649661984948 |
Note: Specifications are subject to change without notice. For the most current information, refer to the official Juniper Networks product documentation.
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
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.





