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SwitchL3Managed48 x 10/100/1000 + 4 x Gigabit SFP / 10 Gigabit SFP+ + 2 x 40 Gigabit QSFP+Back to front airflowRack-mountable
Description
Juniper EX3400-48T-AFI Switch
The EX3400-48T-AFI variant features a back-to-front airflow design, tailored for environments with specific airflow requirements such as data centers. With 48 non-PoE ports, enhanced security features, high scalability through Virtual Chassis technology, and the modern operating system Junos OS, this switch ensures efficient cooling and delivers a resilient network in data centers or wiring closet deployments.
Quick Specs:
- 48 10/100/1000BASE-T ports
- 4 x 1/10GbE SFP/SFP+, 2 x 40GbE QSFP+ uplinks
- AFI (Back-to-front airflow)
- Redundant fans
Please check the related tabs for the EX3400-48T-AFI datasheet and detailed specifications.
Properties
| Properties | Juniper EX3400-48T-AFI |
| Description | EX3400 48-port 10/100/1000BASE-T, 4 x 1/10GbE SFP/SFP+, 2 x 40GbE QSFP+, redundant fans, back-to-front airflow, 1 AC PSU JPSU-150-AC-AFI included (optics sold separately) |
| Product Family | EX3400 Series |
| Product Type | Ethernet Switch |
| GbE Port Density | 54 (48 host ports + four 1/10 GbE and two 40GbE uplink ports) |
| Dimensions (HxWxD) Inches | • Base unit: 17.36 x 1.72 x 13.78 in (44.1 x 4.37 x 35 cm) • With power supply installed: 17.36 x 1.72 x 15.05 in (44.1 x 4.37 x 38.24 cm) • With power supply and front module installed: 17.36 x 1.72 x 15.19 in (44.1 x 4.37 x 38.58 cm) |
| Weight | • EX3400 switch (no power supply or fan module): 10.49 lb (4.76 kg) maximum • EX3400 switch (with single power supply and two fan modules): 12.65 lb (5.74 kg) maximum • 150 W AC power supply: 1.43 lb (0.65 kg) • 600 W AC power supply: 1.82 lb (0.83 kg) • 920 W AC power supply: 1.87 lb (0.85 kg) • 150 W DC power supply: 1.43 lb (0.65 kg) • Fan module: 0.16 lb (0.07 kg) |
| Uplink | Fixed 4-port uplinks can be individually configured as GbE (SFP) or 10GbE (SFP+) ports; 2 x 40G QSFP+ ports. |
| Backplane | 160 Gbps (with QSFP+ ports) or 80 Gbps (with SFP+ ports) Virtual Chassis interconnect to link up to 10 switches as a single logical device |
| Product Options | |
| Total 10/100/1000 BASE-T Ports | 48 |
| Uplinks | 10GbE/GbE SFP+/SFP ports 2 40GbE QSFP+ ports |
| Airflow | Back-to-front |
| Power Supply Type | AC |
| PoE+ Power (Budget W) | 0 |
| Max. System Power Consumption (W) | 120 |
| Power Supply Rating (W) | 150W |
| Acoustic Noise in DB | 39 |
Specifications
| Specifications | EX3400-48T-AFI |
| DRAM | 2 GB with ECC |
| Flash Memory | 2 GB |
| CPU | Dual Core 1 GHz |
| Physical Layer | • Cable diagnostics 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 |
| Packet-Switching Capacities | 168 Gbps (unidirectional)/336 Gbps (bidirectional) |
| Software Specifications | |
| Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) | 250 Mpps |
| Layer 2 Features | • Maximum MAC addresses per system: 32,000 • Jumbo frames: 9216 bytes • Number of VLANs supported: 4,096 • Range of possible VLAN IDs: 1-4094 • Port-based VLAN • MAC-based VLAN • Voice VLAN • Layer 2 Protocol Tunneling (L2PT) • Compatible with Per-VLAN Spanning Tree Plus (PVST+) • RVI (routed VLAN interface) • Persistent MAC (sticky MAC) • RSTP and VSTP running concurrently • IEEE 802.1AB: Link Layer Discovery Protocol (LLDP) • LLDP-MED with VoIP integration • IEEE 802.1ae Media Access Control Security (MACsec) • IEEE 802.1ak Multiple VLAN Registration Protocol (MVRP) • IEEE 802.1br: Bridge Port Extension • IEEE 802.1D: Spanning Tree Protocol • IEEE 802.1p: CoS prioritization • IEEE 802.1Q-in-Q: VLAN stacking • IEEE 802.1Q: VLAN tagging • IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP) • Number of MST instances supported: 64 • Number of VSTP instances supported: 510 • IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP) • IEEE 802.1X: Port access control • IEEE 802.3: 10BASE-T • IEEE 802.3ab: 1000BASE-T • IEEE 802.3ad: Link Aggregation Control Protocol (LACP) • IEEE 802.1ad Q-in-Q tunneling • IEEE 802.3ae: 10-Gigabit Ethernet • IEEE 802.3af: PoE • IEEE 802.3at: PoE+ • IEEE 802.3u: 100BASE-T • IEEE 802.3z: 1000BASE-X • IEEE 802.3x: Pause Frames/Flow Control • Layer 3 VLAN-tagged subinterface • PVLAN support • Multicast VLAN routing • Adding/removing single tag • Filter-based SVLAN tagging • Flexible CoS (outer .1P marking) |
| Layer 3 Features: IPv4 | • Maximum number of ARP entries: 16,000 • Maximum number of IPv4 unicast routes in hardware: 14,000 prefixes; 36,000 host routes • Maximum number of IPv4 multicast routes in hardware: 18,000 groups; 4,000 multicast routes • Routing Protocols: RIP v1/v2, OSPF v2 • Static routing • Layer 3 redundancy: VRRP • IP directed broadcast-traffic forwarding • Virtual router (VRF-Lite) supporting RIP, OSPF • Routing policy • Filter-based forwarding (FBF) • Unicast reverse-path forwarding |
| Layer 3 Features: IPv6 | • Maximum number of Neighbor Discovery entries: 8,000 • Maximum number of IPv6 unicast routes in hardware: 3,500 prefixes; 18,000 host routes • Maximum number of IPv6 multicast routes in hardware: 9,000 groups; 2,000 multicast routes • Neighbor discovery, system logging, Telnet, SSH, Junos Web, SNMP, Network Time Protocol (NTP), Domain Name System (DNS) • Routing protocols: RIPng, OSPF v3 • Static routing • IPv6 ACL (PACL, VACL, RACL) • IPv6 CoS (BA, MF classification and rewrite, scheduling based on TC) • MLDv1/v2 snooping • IPv6 ping, traceroute • IPv6 stateless auto-configuration • IPv6 Layer 3 forwarding in hardware • IPv6 Layer 3 redundancy: VRRP v6 • Virtual Router support for IPv6 unicast • PIM for IPv6 multicast |
| Access Control Lists (ACLs) (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: 1500 • 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 • Media Access Control Security (MACsec) |
| Access Security | • MAC limiting • Allowed MAC addresses-configurable per port • Sticky MAC (persistent MAC address learning) • Dynamic ARP inspection (DAI) • MAC limiting • Allowed MAC addresses, configurable per port • Dynamic ARP inspection (DAI) • Proxy ARP • Static ARP support • DHCP snooping • 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: MD5, Transport Layer Security (TLS), Tunneled Transport Layer Security (TTLS), Protected Extensible Authentication • Protocol (PEAP) • IPv6 RA Guard • IPv6 Neighbor Discovery Inspection • Media Access Control security (MACsec) |
| High Availability | • Link aggregation: • 802.3ad (LACP) support • Number of link aggregation groups (LAGs) supported: 128 • Maximum number of ports per LAG: 16 • Tagged ports support in LAG • Graceful Route Engine switchover (GRES) for IGMP v1/v2/v3 snooping • Nonstop routing (OSPF v1/v2/v3, RIP/RIPng, PIM) • Nonstop software upgrade (NSSU) |
| Quality of Service (QoS) | • Layer 2 QoS • Layer 3 QoS • Ingress policing: two-rate three-color • Hardware queues per port: 12 (8 unicast, 4 multicast) • Scheduling methods (egress): Strict Priority (SP), SDWRR • 802.1p, DiffServ code point (DSCP/IP) precedence trust and marking • L2-L4 classification criteria, including Interface, MAC address, EtherType, 802.1p, VLAN, IP address, DSCP/IP precedence, and TCP/UDP port numbers • Congestion avoidance capabilities: Tail drop |
| Multicast | • IGMP snooping entries: 1000 • IGMP snooping • IGMP v1/v2/v3 • PIM SM, PIM SSM, PIM DM • VRF-Lite support for PIM and IBMP • MLD v1/v2 snooping • IGMP filter • Multicast Source Discovery Protocol (MSDP) • PIM for IPv6 multicast |
| Device Management and Operations | • Junos OS CLI • Junos Web interface (J-Web) • Out-of-band management: Serial, 10/100BASE-T Ethernet • ASCII configuration • Rescue configuration • Configuration rollback • Image rollback • Real-time performance monitoring (RPM) • SNMP: v1, v2c, v3 • Remote monitoring (RMON) (RFC 2819) Groups 1, 2, 3, 9 • Network Time Protocol (NTP) • DHCP server • DHCP client and DHCP proxy • DHCP relay and helper • VR-aware DHCP • RADIUS authentication • TACACS+ authentication • SSHv2 • Secure copy • HTTP/HTTPs • DNS resolver • System logging • Temperature sensor • Configuration backup via FTP/secure copy • sFlow • Interface range • Port profile associations • Uplink failure detection • Zero Touch Provisioning using DHCP |
| Management and Analytics Platforms | • Juniper Mist Wired Assurance for Campus • Junos Space(r) Network Director for Campus • Junos Space(r) Management |
| Operating 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 (3048 m) |
| Non-operating altitude | up to 16,000 ft (4877 m) |
| Relative humidity operating | 10% to 85% (noncondensing) |
| Relative humidity non-operating | 0% to 95% (noncondensing) |
| Safety Certifications | • UL-UL60950-1 (Second Edition) • C-UL to CAN/CSA 22.2 No.60950-1 (Second Edition) • TUV/GS to EN 60950-1 (Second Edition), Amendment • A1-A4, A11 • CB-IEC60950-1, (Second Edition with all country deviations) • EN 60825-1 (Second Edition) • CB-IEC60950-1 (Second Edition with all country deviations) • EN 60825-1 (Second Edition) |
| Electromagnetic Compatibility Certifications | • FCC 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 Management | TL9000 |
| Telco | CLEI code |
| Environmental | Reduction of Hazardous Substances (ROHS) 6 |
Accessories
| Accessories and License Upgrade PIDs | |
| EX-4PST-RMK | Adjustable 4-post rack-mount kit for EX2200, EX3200, EX3400, and EX4200 |
| EX-RMK | Rack-mount kit for EX2200, EX3200, EX3400, and EX4200 |
| EX-WMK | EX4200, EX3200, EX3400, and EX2200 wall-mount kit with baffle |
| CBL-EX-PWR-C13-EU | AC power cable, Europe (10 A/250V, 2.5m) |
| CBL-EX-PWR-C13-US | AC power cable, U.S. (13 A/125V, 2.5m)-not to be used with EX3400-48P SKUs |
| Subscription Licenses | |
| S-EX-A-C3-3 | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year |
| S-EX-A-C3-5 | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 5 year |
| S-EX-P-C3-3 | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year |
| S-EX-P-C3-5 | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 5 year |
| S-EX-A-C3-3-COR | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 3 YEAR |
| S-EX-A-C3-5-COR | Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 5 YEAR |
| S-EX-P-C3-3-COR | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 3 YEAR |
| S-EX-P-C3-5-COR | Software, EX Series Premium license, Class 3 (32 or 48 ports), includes Wired Assurance subscription for EX Series 48-port switches, 3 year with SVC CORE support, 5 YEAR |
| Perpetual Licenses | |
| S-EX-A-C3-P | Software, EX Series Advanced license, Class 3 (32 or 48 ports), Perpetual license for EX3400 48-port switches |
| S-EX-P-C3-P | Software, EX Series Premium license, Class 3 (32 or 48 ports), Perpetual license for EX3400 48-port switches |
| EX-48-EFL | Enhanced feature license for EX3400 48-port switches |
| EX-48-AFL | Advanced feature license for EX3400-48P, EX3400-48T, EX3400-48T-AFI, EX3400-48T-DC, and EX3400-48T-DC-AFI switches |
| EX-QFX-MACSEC-ACC4 | MACsec software license for EX3400, EX4300, and EX4200 access switches |
| Power Supplies | |
| JPSU-150-AC-AFI | EX3400 150W AC power supply, back-to-front airflow (power cord ordered separately) |
| JPSU-150-AC-AFO | EX3400 150W AC power supply, front-to-back airflow (power cord ordered separately) |
| JPSU-150-DC-AFO | EX3400 150W DC power supply, front-to-back airflow (power cord ordered separately) |
| JPSU-600-AC-AFO | EX3400 600W AC power supply, front-to-back airflow (power cord ordered separately) |
| JPSU-920-AC-AFO | EX3400 920W AC power supply, front-to-back airflow (power cord ordered separately) |
| Fans | |
| EX3400-FAN-AFI | EX3400 back-to-front fan, spare |
| EX3400-FAN-AFO | EX3400 front-to-back fan, spare |
| Optics | |
| EX-SFP-10GE-DAC-1M | SFP+ 10-Gigabit Ethernet Direct Attach Copper (twinax copper cable), 1m |
| EX-SFP-10GE-DAC-3M | SFP+ 10-Gigabit Ethernet Direct Attach Copper (twinax copper cable), 3m |
| EX-SFP-10GE-DAC-5M | SFP+ 10-Gigabit Ethernet Direct Attach Copper (twinax copper cable), 5m |
| EX-SFP-10GE-DAC-7M | SFP+ 10-Gigabit Ethernet Direct Attach Copper (twinax copper cable), 7m |
| EX-SFP-10GE-ER | SFP+ 10GBASE-ER 10-Gigabit Ethernet Optics, 1550 nm for 40 km transmission on SMF |
| EX-SFP-10GE-LRM | SFP+ 10-Gigabit Ethernet LRM Optics, 1310 nm for 220m transmission on multimode fiber-optic (MMF) |
| EX-SFP-10GE-LR | SFP+ 10GBASE-LR; LC connector; 1310 nm; 10km reach on single-mode fiber |
| EX-SFP-10GE-ZR | SFP+ 10GBASE-ZR; LC connector; 1550 nm; 80 km reach on single-mode fiber |
| EX-SFP-10GE-USR | SFP+ 10-Gigabit Ethernet Ultra Short Reach Optics, 850 nm for 10m on OM1, 20m on OM2, 100m on OM3 multimode fiber |
| EX-SFP-10GE-SR | SFP+ 10GBASE-LR; LC connector; 1310 nm; 10km reach on single-mode fiber |
| EX-SFP-1GE-SX | SFP 1000BASE-SX; LC connector; 850 nm; 550m reach on multimode fiber |
| EX-SFP-1GE-LX | SFP 1000BASE-LX; LC connector; 1310 nm; 10 km reach on single-mode fiber |
| EX-SFP-1GE-LH | SFP 1000BASE-LH Gigabit Ethernet Optics, 1550 nm for 70 km transmission on single-mode fiber |
| EX-SFP-1GE-T | SFP 10/100/1000BASE-T Copper Transceiver Module for up to 100m transmission on Category |
| EX-SFP-1GE-LX40K | SFP 1000BASE-LX Gigabit Ethernet Optics, 1310 nm for 40 km transmission on single-mode fiber |
| EX-SFP-GE10KT15R13 | SFP 1000BASE-BX Gigabit Ethernet Optics, Tx 1550 nm/Rx 1310 nm for 10 km transmission on single strand of SMF |
| EX-SFP-GE40KT13R15 | SFP 1000BASE-BX Gigabit Ethernet Optics, Tx 1310 nm/Rx 1550 nm for 40 km transmission on single strand of SMF |
| EX-SFP-GE40KT15R13 | SFP 1000BASE-BX Gigabit Ethernet Optics, Tx 1550 nm/Rx 1310 nm for 40 km transmission on single strand of SMF |
| EX-SFP-GE80KCW1470 | SFP Gigabit Ethernet CWDM, LC connector; 1470 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1490 | SFP Gigabit Ethernet CWDM, LC connector; 1490 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1510 | SFP Gigabit Ethernet CWDM, LC connector; 1510 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1530 | SFP Gigabit Ethernet CWDM, LC connector; 1530 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1550 | SFP Gigabit Ethernet CWDM, LC connector; 1550 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1570 | SFP Gigabit Ethernet CWDM, LC connector; 1570 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1590 | SFP Gigabit Ethernet CWDM, LC connector; 1590 nm, 80 km reach on single-mode fiber |
| EX-SFP-GE80KCW1610 | SFP Gigabit Ethernet CWDM, LC connector; 1610 nm, 80 km reach on single-mode fiber |
| (For 40G VCP Ports) | |
| QFX-QSFP-40G-SR4 | QSFP+ 40GBASE-SR4 40-Gigabit Optics, 850 nm for up to 150m transmission on multimode fiber |
| QFX-QSFP-DAC-1M | QSFP+ 40-Gbps QSFP+ Passive DAC Cable, 1 meter |
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