1. Proizvod je gotovview
The Juniper EX3300 Ethernet switches are designed as cost-effective enterprise access solutions, ideal for data center environments that require converged data, voice, and video services. This model, the EX3300-24T, features 24 10/100/1000BASE-T ports and four GbE/10GbE SFP/SFP+ uplink ports, providing robust connectivity and high-speed data transfer capabilities.

Slika 1: Prednji ugao view of the Juniper EX3300-24T Ethernet Switch, showing the 24 Ethernet ports and four uplink ports.
2. Ključne karakteristike
- Fixed Platform Design: A robust and stable hardware platform for reliable network operations.
- Virtual Chassis Configuration: Supports up to 10 switches in a Virtual Chassis, allowing for simplified management and increased scalability.
- Kompaktni oblik: Occupies only 1 rack unit (1U) of space, optimizing rack density.
- High-Density Ports: Equipped with 24 10/100/1000BASE-T ports for standard Ethernet connectivity.
- Flexible Uplink Options: Includes four GbE/10GbE SFP/SFP+ uplink ports for high-speed connections to the core network or other switches.
- Power over Ethernet (PoE/PoE+): Supports IEEE 802.3af PoE and 802.3at PoE+ standards, enabling power delivery to connected devices like IP phones and wireless access points.
3. Postavljanje i instalacija
This section provides instructions for the physical installation and initial setup of your EX3300-24T switch.
3.1 Raspakivanje i pregled
- Pažljivo izvadite prekidač iz ambalaže.
- Inspect the switch for any signs of physical damage. If damage is found, contact your vendor immediately.
- Provjerite da li su prisutne sve komponente navedene na listi za pakovanje.
3.2 Montaža u stalak
The EX3300-24T is designed for standard 19-inch rack mounting.
- Attach the provided rack-mount brackets to the sides of the switch using the screws supplied.
- Pričvrstite prekidač u stalak pomoću odgovarajućih vijaka za stalak. Provjerite da je prekidač ravan i sigurno pričvršćen.

Slika 2: Ravna prednja strana view of the Juniper EX3300-24T Ethernet Switch, ideal for rack mounting reference.
3.3 Priključak za napajanje
- Connect one end of the power cord to the AC power inlet on the rear of the switch.
- Drugi kraj kabla za napajanje priključite na uzemljenu utičnicu za naizmjeničnu struju.
- Uvjerite se da izvor napajanja zadovoljava voltage requirements specified in the product specifications.

Slika 3: Pozadi view of the Juniper EX3300-24T Ethernet Switch, showing the power inlet, console port, and management port.
3.4 Pristup početnoj konfiguraciji
To perform initial configuration, connect a console cable to the console port on the rear of the switch and use a terminal emulation program on a computer.
4. Uputstvo za upotrebu
4.1 Uključivanje i isključivanje
- Uključeno: Once the power cord is connected, the switch will automatically power on. Observe the system status LEDs for boot-up progress.
- Iskljuciti: To power off, disconnect the power cord from the AC outlet. For controlled shutdown, it is recommended to gracefully shut down the operating system via the command-line interface (CLI) before disconnecting power.
4.2 Povezivanje uređaja
- Ethernet portovi: Connect network devices (computers, servers, IP phones) to the 10/100/1000BASE-T ports using standard Ethernet cables.
- Uplink portovi: Use SFP/SFP+ transceivers and fiber optic cables to connect the GbE/10GbE uplink ports to other switches or routers for high-speed backbone connectivity.
4.3 LED indikatori
The front panel of the EX3300-24T features various LED indicators to provide status information:
- SYS LED: Indicates system status (e.g., green for normal operation, amber for minor alarm, red for major alarm).
- ALM LED: Označava status alarma.
- MST LED: Indicates master status in a Virtual Chassis configuration.
- LED diode porta: Each Ethernet port has LEDs indicating link status and activity.
5. Održavanje
5.1 Čišćenje
- Održavajte prekidač i njegove ventilacijske otvore čistim od prašine i ostataka.
- Use a soft, dry cloth for cleaning the exterior. Do not use liquid or aerosol cleaners.
5.2 Ažuriranja firmvera
Redovno provjeravajte podršku Juniper Networksa website for the latest Junos OS firmware updates. Keeping the firmware updated ensures optimal performance, security, and access to new features. Refer to the official Juniper documentation for detailed instructions on performing firmware upgrades.
5.3 Razmatranja životne sredine
Ensure the operating environment maintains appropriate temperature and humidity levels as specified in the product's technical specifications to prevent overheating and ensure longevity.
6. Otkrivanje problema
Ovaj odjeljak pruža osnovne korake za rješavanje uobičajenih problema.
6.1 Nema napajanja
- Provjerite je li kabel za napajanje sigurno spojen i na prekidač i na utičnicu.
- Provjerite utičnicu s drugim uređajem kako biste se uvjerili da je funkcionalna.
- Uvjerite se da je izvor napajanja voltage matches the switch's requirements.
6.2 Port Link/Activity Issues
- Provjerite je li Ethernet kabel pravilno spojen na oba kraja.
- Pokušajte s drugim Ethernet kabelom.
- Provjerite je li povezani uređaj uključen i ispravno funkcionira.
- Provjerite konfiguraciju porta na switchu (npr. brzinu, postavke dupleksa).
6.3 System Alarms (ALM LED)
If the ALM LED is lit, access the switch's CLI or web interfejs za view detailed alarm messages. Common alarms can relate to power supply issues, fan failures, or high temperature.
7. Tehničke specifikacije
| Atribut | Vrijednost |
|---|---|
| Brand | Juniper mreže |
| Broj modela | EX3300-24T |
| Broj portova | 24 (10/100/1000BASE-T) + 4 (GbE/10GbE SFP/SFP+ uplink) |
| Interface Type | PoE, SFP |
| Brzina prijenosa podataka | 1000 megabita u sekundi |
| Tip prekidača | Upravljano |
| Operativni sistem | Junos |
| Težina artikla | 13 funte (5.9 kg) |
| Dimenzije proizvoda (DxŠxV) | 17 x 12 x 2 inča (43.2 x 30.5 x 5.1 cm) |
| Voltage | 240 Volts (AC input range typically wider) |
| Materijal kućišta | Metal |
| Prvi raspoloživi datum | 30. septembra 2011 |
8. Garancija i podrška
8.1 Jamstvo za proizvod
For specific warranty information regarding your Juniper EX3300-24T switch, please refer to the warranty documentation provided with your purchase or visit the official Juniper Networks weblokacija. Garantni uslovi obično pokrivaju proizvodne nedostatke za određeni period.
8.2 Tehnička podrška
For technical assistance, troubleshooting beyond this manual, or advanced configuration guidance, please contact Juniper Networks technical support. Support resources, including knowledge bases, forums, and contact information, are available on the official Juniper Networks support portal.
Additionally, consider protection plans offered by resellers, such as the 3-Year or 4-Year Protection Plans, which may provide extended coverage and support services. Always verify the terms and conditions of any extended protection plan.





