The Juniper EX9253-BASE-AC is a modular Layer 3 managed Ethernet switch base system in the EX9250 Series. It includes a 3-slot 3U chassis, one Routing Engine, four fan trays, and three AC power supplies, and supports up to two line cards for scalable high-density 10GbE/40GbE/100GbE deployments. The platform runs Junos OS and is designed for campus aggregation and data center connectivity with strong high-availability and advanced Layer 2/Layer 3 features.
| Properties | Juniper EX9253-BASE-AC |
| Description | Base EX9253 system configuration with 3-slot EX9253-CHAS-3RU chassis, 4 fan trays (JNP-C1-FAN-3RU), 1 Routing Engine (EX9253-RE), 3 AC power supplies (JNP-PWR1600-AC-BB), and all required blank panels. Supports up to 2 line cards (sold separately). |
| Product Family | EX9250 Series |
| Product Type | Ethernet Switch |
| Chassis Type | EX9253-CHAS-3RU (3-slot chassis) |
| Total number of slots | 3 |
| Slots available for line cards | 2 |
| Routing Engine | 1 x EX9253-RE |
| Fan Trays | 4 x JNP-C1-FAN-3RU |
| Power Supplies Included | 3 x JNP-PWR1600-AC-BB (AC) |
| Rack Units | 3 U |
| Dimensions (HxWxD) Inches | 5.217 x 19 x 30 in (13.25 x 48.26 x 76.2 cm) |
| Weight (fully loaded) | 120 lb (54.43 kg) |
| System Capacity | |
| Maximum 10GbE port density (wire speed) | 144 (with breakout cables) |
| Maximum 40GbE port density (wire speed) | 36 |
| Maximum 100GbE port density (wire speed) | 24 |
| Line Card Capacity (EX9253-6Q12C) | 2.4 Tbps |
| Line Card Capacity (EX9253-6Q12C-M) | 2.4 Tbps |
| Power and Cooling | |
| Maximum power consumption (100-120 V AC) | 2692 W |
| Maximum power consumption (200-240 V AC) | 2692 W |
| Maximum power consumption (-40 to -72 V DC) | 2692 W |
| Power system capacity | Holds up to six power supplies; AC or DC options supported; 3+1 redundancy supported (depending on configuration) |
| Cooling | Internally redundant fan tray with front-to-back airflow |
| Typical power for EX9253-6Q12C | 740 W |
| Typical power for EX9253-6Q12C-M | 770 W |
| Maximum power for EX9253-6Q12C | 800 W |
| Maximum power for EX9253-6Q12C-M | 770 W |
| Specifications | EX9253-BASE-AC |
| Architecture | Separate dedicated data, control, and management planes |
| Operating system | Juniper Networks Junos operating system |
| Routing Engine (RE) | Primary and backup REs (1+1 redundancy), 1.6 GHz 8-core Intel Xeon processor, up to 64 GB DRAM, dual front-pluggable SSDs (up to 100 GB each), console/aux/Ethernet management/USB interfaces |
| Maximum throughput bandwidth / slot | Up to 4.8 Tbps chassis bandwidth, 2.4 Tbps/slot, 1.2 Tbps full duplex |
| High availability | Fault-isolated modular architecture, transparent failover and recovery, GRES, NSR, NSB |
| Switching / deployment role | High-density campus aggregation and data center connectivity |
| Software Specifications | |
| Layer 2 Features | Up to 1M MAC addresses, jumbo frames (9192 bytes), up to 32,000 VLANs, LACP, STP/RSTP/MSTP, VSTP, L2PT |
| Layer 3 Features | 1M IPv4 RIB, 1M IPv6 RIB, static routing, RIP, OSPFv2/v3, VRRP, BFD, IPv6, virtual routers, BGP and IS-IS (Advanced Feature license) |
| Hardware tunneling | GRE, MPLS (Advanced Feature license), VPLS, BGP/MPLS VPNs, EVPN |
| Multicast Features | Up to 256,000 IPv4/IPv6 multicast routes, IGMP v1/v2/v3, MLD v1/v2, PIM-SM/PIM-SSM/PIM-DM, MSDP |
| Security and Filters | Port ACLs, VLAN ACLs, router ACLs, control-plane DoS protection, RADIUS, TACACS+ |
| Quality of Service (QoS) | 16,000 policers per chassis, 8 egress queues per port, WRED, WRR, strict priority queuing |
| Virtualization / DCI | VXLAN, EVPN, VPLS for DCI, Juniper Contrail and VMware NSX integration |
| Management and Operations | Junos OS CLI, Junos Space Network Director, Junos XML management protocol, SNMP v1/v2/v3, LLDP, RADIUS, TACACS+ |
| Operating temperature | 32° to 104° F (0° to 40° C) |
| Storage temperature | -40° to 158° F (-40° to 70° C) |
| Operating altitude | Up to 10,000 ft (3,048 m) |
| Seismic | Designed to meet GR-63, Zone 4 earthquake requirements |
| Relative humidity operating | 5% to 90% (noncondensing) |
| Relative humidity non-operating | 5% to 95% (noncondensing) |
| IEEE Compliance | IEEE 802.1AB, 802.1D, 802.1p, 802.1Q, 802.1s, 802.1w, 802.3/802.3u/802.3ab/802.3z/802.3ae/802.3ba, 802.3ad, 802.1ae |
| NEBS / Environmental | NEBS Level 3 (SR-3580), GR-63-Core, RoHS 5/6 |
| Line Cards | |
| EX9253-6Q12C | EX9253 line card with 6x40GbE ports and 12x40GbE/100GbE ports |
| EX9253-6Q12C-M | EX9253 line card with 6x40GbE ports and 12x40GbE/100GbE MACsec AES256 ports |
| Pluggable Optics | |
| EX-SFP-10GE-SR | 10GbE SFP+ short reach (SR) optics |
| EX-SFP-10GE-LR | 10GbE SFP+ long reach (LR) optics |
| EX-SFP-10GE-LRM | 10GbE SFP+ long reach multimode (LRM) optics |
| EX-SFP-10GE-ER | SFP+ 10GBASE-ER optics, 1550 nm, up to 40 km |
| EX-SFP-10GE-ZR | SFP+ 10GBASE-ZR optics, 1550 nm, up to 80 km over SMF |
| JNP-SFP-10G-BX10D | 10G BX optics over SMF, 1330 nm, up to 10 km |
| JNP-SFP-10G-BX10U | 10G BX optics over SMF, 1270 nm, up to 10 km |
| EX-SFP-10GE-USR | SFP+ 10GbE ultra short reach optics |
| JNP-QSFP-4X10GE-LR | QSFP+ 40G optics, 4x10GbE LR, up to 10 km on parallel single-mode fiber |
| JNP-QSFP-4X10GE-IR | QSFP+ 40GBASE-LR4 optics module |
| Chassis Components / Spares | |
| EX9253-RE | Routing Engine for EX9253 chassis |
| JNP-C1-FAN-3RU | Fan tray module for EX9253 3RU chassis |
| JNP-PWR1600-AC-BB | 1600 W AC power supply module |
