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At TXO, we specialise in providing expert repair services and comprehensive support for the Juniper EX3300 access switch. Our extensive inventory includes a wide range of parts and components for the EX3300, ensuring that we can offer top-quality refurbishment and repair services. Whether you need maintenance, troubleshooting, or expert advice on your existing Juniper EX3300 network, our dedicated team of professionals is here to assist you.


Availability and Shipping: Reliable and Prompt Service

We ensure that most Juniper EX3300 parts are shipped promptly after receiving your purchase order. International shipments generally arrive within 3-5 days, while deliveries within the UK typically take 1-3 days. For precise stock levels and delivery estimates specific to your location, please contact us directly.


About the Juniper EX3300: a versatile access switch 

The Juniper EX3300 is a highly versatile access switch widely used in enterprises and data centres managed by service providers. Available in configurations with either 24 or 48 ports for 10/100/1000BASE-T connections, the EX3300 is designed to deliver robust performance and flexibility. The switch also features 4 uplink ports, which can be utilised for connections to distribution switches or to interconnect multiple EX3300 units as members of a Virtual Chassis. This setup allows up to 10 switches to be connected in a single, cohesive system, enabling simplified management and increased scalability. The uplink ports support SFP and SFP+ optical transceivers, providing 10Gbps connectivity options.

The EX3300’s compatibility with the Junos operating system, the same OS that powers Juniper’s high-end MX series routers, is a significant advantage. This operating system provides a consistent and streamlined network management experience across different Juniper devices. The EX3300 supports both Layer 2 (switching) and Layer 3 (routing) capabilities, offering comprehensive network functionalities that cater to complex networking needs. This versatility is crucial for enterprises and data centres that require reliable and efficient network solutions capable of handling diverse and demanding workloads.

Certain models of the EX3300, denoted by a “P” in their part codes, also support Power over Ethernet (PoE). This feature is particularly beneficial for connecting and powering devices such as IP phones, wireless access points, and other PoE-enabled devices, eliminating the need for separate power sources and simplifying network deployment. The PoE capability adds an extra layer of flexibility and convenience, making the EX3300 a suitable choice for environments where seamless connectivity and power management are essential.

The consistent use of Junos across Juniper’s EX and MX devices ensures a unified and streamlined network operating environment. This uniformity not only simplifies network management and maintenance but also enhances security by providing a common platform for implementing and enforcing security policies. The EX3300’s robust design, coupled with its advanced features and flexibility, makes it an ideal solution for enterprises and service providers looking to build resilient and scalable network infrastructures.


Component List: Part Numbers for Juniper EX3300 eligible for repair

Part CodeDescription
EX3300-24T24-port 10/100/1000BASE-T Switch
EX3300-24P24-port 10/100/1000BASE-T PoE Switch
EX3300-24T-DC24-port 10/100/1000BASE-T DC Switch
EX3300-48T48-port 10/100/1000BASE-T Switch
EX3300-48T-BF48-port 10/100/1000BASE-T BF Switch
EX3300-48P48-port 10/100/1000BASE-T PoE Switch

Repair Capability for Juniper EX3300

TXO offers specialised repair services for the Juniper EX3300, a versatile access switch widely used in enterprise and data center environments. The EX3300 is known for its flexibility, featuring 24 or 48 ports for 10/100/1000BASE-T and 4 uplink ports that support SFP and SFP+ optical transceivers for 10Gbps. It operates with Junos, providing robust layer 2 and layer 3 functionalities along with security features. Some models also offer Power over Ethernet (PoE) capabilities. Our repair center is well-equipped to handle the comprehensive repair needs of these advanced switches.

Our team excels in diagnosing and repairing various components of the Juniper EX3300, including ports, uplink modules, power supplies, and more. Each component undergoes rigorous diagnostic testing and refurbishment to restore it to its original performance standards. We ensure that issues across all essential modules are addressed effectively, maintaining both performance and hardware integrity.

TXO conducts thorough system inspections to proactively identify and resolve potential issues, including firmware updates and performance assessments. Our repair services cover critical parts such as interface modules, power supplies, and cooling systems, essential for the stability and efficiency of the EX3300. We focus on these key areas to ensure that each repaired unit meets the highest standards of reliability and performance, extending the lifespan of your network equipment and safeguarding your investment.

To further support your operations, TXO provides rapid response and advance replacement services, minimizing downtime and ensuring uninterrupted network operations. We understand the importance of maintaining a stable and efficient network, and our services are designed to deliver quick turnaround times and dependable results. Whether addressing unexpected failures or conducting routine maintenance, TXO is committed to keeping your network running smoothly and effectively.


Technical Specifications for Juniper EX3300

Technical specifications of Juniper EX3300 is listed below.

SpecificationDescription
UplinkFixed 4-port uplinks which can be individually configured as GbE (SFP) or 10GbE (SFP+) ports.
Dimensions (W x H x D)17.4 x 1.7 x 12 in (43.7 x 4.4 x 31 cm)
Weight Lbs (Kg)EX3300-48P: 12.8 lb (5.8 kg)
EX3300-24P: 11.6 lb (5.3 kg)
EX3300-48T: 10.8 lb (4.9 kg)
EX3300-48T-BF: 10.8 lb (4.9 kg)
EX3300-24T: 10.0 lb (4.6 kg)
EX3300-24T-DC: 9.8 lb (4.5 kg)
Environmental RangesOperating temperature: 32° to 113° F (0° to 45° C)
Storage temperature: -40° to 158° F (-40° to 70° C)
Operating altitude: Up to 10,000 ft (3,049 m)
Non-operating altitude: Up to 16,000 ft (4,877 m)
Relative humidity operating: 10% to 85% (noncondensing)
Relative humidity non-operating: 0% to 95% (noncondensing)
Hardware SpecificationsSwitching Engine Model: Store and forward
DRAM: 1 GB with ECC
Flash: 1 GB
CPU: 1 GHz
GbE Port Density per SystemEX3300-24T/EX3300-24P/EX3300-24T-DC: 28 (24 host ports + four 10GbE/GbE uplink ports)
EX3300-48T/EX3300-48T-BF/EX3300-48P: 52 (48 host ports + four 10GbE/GbE uplink ports
Virtual Chassis CapabilitiesMaximum number of members: 10
Number of Virtual Chassis ports: 4
Maximum Virtual Chassis interconnect capacity: 80 Gbps
Physical LayerTime Domain Reflectometry (TDR) for detecting cable
breaks and shorts
Auto medium-dependent interface/medium dependent interface crossover (MDI/MDIX) support
Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports
Digital optical monitoring for optical ports
SecurityMAC limiting
Allowed MAC addresses, configurable per port
Dynamic ARP inspection (DAI)
Proxy ARP
Static ARP support
DHCP snooping
IP source guard
802.1X port-based
802.1X multiple supplicants
802.1X with VLAN assignment
802.1X with authentication bypass access (based on host MAC address)
802.1X with VoIP VLAN support
802.1X dynamic access control list (ACL) based on RADIUS attributes
802.1X supported EAP types: Message Digest 5 (MD5),
Transport Layer Security (TLS), Tunneled Transport Layer
Security (TTLS), Protected Extensible Authentication
Protocol (PEAP)
Access control lists, (Junos OS firewall filters)
Port-based ACL (PACL)—ingress and egress
VLAN-based ACL (VACL)—ingress and egress
Router-based ACL (RACL)—ingress and egress
ACL entries (ACE) in hardware per system: 1,500
ACL counter for denied packets
ACL counter for permitted packets
Ability to add/remove/change ACL entries in middle of list (ACL editing)
L2-L4 ACL
Trusted Network Connect (TNC) certified
Static MAC authentication
MAC-RADIUS
Control plane denial-of-service (DoS) protection
Firewall filter on me0 interface (control plane protection)
Captive Portal – Layer 2 interfaces
Fallback authentication
High AvailabilityExternal redundant power system option
Link aggregation:
- 802.3ad (LACP) support
• Number of link aggregation groups (LAGs) supported: 32
• Maximum number of ports per LAG: 8
- LAG load sharing algorithm—bridged unicast traffic
• IP: S/D MAC, S/D IP
• TCP/UDP: S/D MAC, S/D IP, S/D port
• Non-IP: S/D MAC
LAG sharing algorithm—routed unicast traffic
- IP: S/D IP
- TCP/UDP: S/D IP, S/D port
LAG load sharing algorithm—bridged multicast traffic
• IP: S/D MAC, S/D IP
- TCP/UDP: S/D MAC, S/D IP, S/D port
- Non-IP: S/D MAC
LAG sharing algorithm—routed multicast traffic
- IP: S/D IP
- TCP/UDP: S/D IP, S/D port
Tagged ports support in LAG
Graceful Route Engine Switchover (GRES) for IGMP v1/v2/v3 snooping
Non-stop Routing (OSPF v1/v2/v3, RIP/RIPng, BGP, BGP v6, ISIS, PIM)
Non-Stop Software Upgrade (NSSU)
TroubleshootingDebugging: CLI via console, telnet, or SSH
Diagnostics: Show and debug command statistics
Traffic mirroring (port)
Traffic mirroring (VLAN)
Filter-based mirroring
Mirroring destination ports per system: 1
LAG port monitoring
Multiple destination ports monitored to 1 mirror (N:1)
Maximum number of mirroring sessions: 1
Mirroring to remote destination (over L2): 1 destination
VLAN
IP tools: Extended ping and trace
Juniper Networks commit and rollback
Safety CertificationsUL-UL60950-1 (First Edition)
C-UL to CAN/CSA 22.2 No.60950-1 (First Edition)
TUV/GS to EN 60950-1, Amendment A1-A4, A11
CB-IEC60950-1, all country deviations
Electromagnetic Compatibility CertificationsFCC 47CFR Part 15 Class A
EN 55022 Class A
ICES-003 Class A
VCCI Class A
AS/NZS CISPR 22 Class A
CISPR 22 Class A
EN 55024
EN 300386
CE
Telecom Quality ManagementTL9000
EnvironmentalReduction of Hazardous Substances (ROHS) 6
TelcoCLEI code
FIPSFIPS 140-2 Level 1
Noise SpecificationsNoise measurements based on operational tests taken from bystander position (front) and performed at 23° C in compliance with ISO 7779.

For full details of the Juniper EX3300, please view the data sheet here.


Here to Help: Contact TXO for Juniper EX3300 Support  

At TXO, we are dedicated to providing outstanding support for the Juniper EX3300 switch. Our team of skilled professionals is available to assist you with any issues, enquiries, or technical challenges related to the EX3300.

Whether you require expert help with repairs, system configurations, or general troubleshooting, our knowledgeable staff is here to offer timely and effective solutions tailored to your needs. We are committed to ensuring your network operates smoothly and efficiently.

Please be aware that TXO is an independent entity and is not officially affiliated with Juniper Networks.