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Juniper

Juniper EX9253-RED-DC | EX9250 3-Slot Modular Switch, Dual RE, 4x DC PSU

EX9253-RED-DC

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Description

The EX9253 redundant DC configuration is a compact 3U modular switch chassis from the Juniper EX9250 series. It is built for campus and enterprise aggregation, where it can consolidate EX2300, EX3400, EX4300 and EX4600 access switches from wiring closets or on-premises data centres. It also suits Evolved Enterprise Core designs using EVPN-VXLAN and Data Center Interconnect, with a path to a 100GbE core.

The chassis has three slots in total, with two available for line cards and one for the Routing Engine, and delivers up to 2.4 Tbps per slot. This redundant variant uses two EX9253-RE Routing Engines, four JNP-PWR1100-DC-BB DC power supplies for a -40 to -72 V DC input, and four JNP-C1-FAN-3RU fan trays with front-to-back airflow. Maximum chassis power is 2692 W. A single-RE, three-PSU configuration (EX9253-BASE-DC) is the lower-redundancy alternative to this SKU.

Line cards are fitted separately. The EX9253-6Q12C and EX9253-6Q12C-M cards each provide 12x QSFP28 40/100GbE and 6x QSFP+ 40GbE ports. The chassis supports up to 36 wire-speed 40GbE ports, or up to 144 10GbE ports using breakout cables. The system runs Junos OS, with a minimum release of 18.2R1 for this configuration.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Built on Juniper One custom silicon with a programmable Packet Forwarding Engine
- EVPN-VXLAN support for Evolved Enterprise Core deployments
- Junos Fusion Enterprise support to manage many devices as a single logical device
- Data Center Interconnect (DCI) using MPLS, VPLS and EVPN
- Redundant Routing Engines, power supplies and fan trays for carrier-class reliability
- Automation and telemetry through Juniper Extension Toolkit (JET) and Junos Telemetry Interface (JTI)
- Optional MACsec (AES256) with the EX9253-6Q12C-M line card
- Managed with Junos Space Network Director and Juniper Sky Enterprise

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Configuration: Redundant, EX9253-CHAS-3RU chassis with dual Routing Engines and 4x DC power supplies
- Rack units: 3 U
- Total slots: 3
- Line card slots: 2
- Routing Engines: 2x EX9253-RE
- Power supplies: 4x JNP-PWR1100-DC-BB (DC)
- Fan trays: 4x JNP-C1-FAN-3RU
- DC input: -40 to -72 V
- Maximum throughput per slot: 2.4 Tbps (1.2 Tbps full duplex)
- Maximum 10GbE density (wire speed): 144 with breakout cables
- Maximum 40GbE density (wire speed): 36
- Chassis power consumption: 2692 W
- Maximum thermal output: 13,600 BTU/hour (3840 W)
- Cooling: internally redundant fan tray, front-to-back airflow
- Dimensions (W x H x D): 48.26 x 13.25 x 76.2 cm (19 x 5.217 x 30 in), depth includes standard cable manager
- Weight (fully loaded): 54.43 kg (120 lb)
- Operating temperature: 0 to 40 C (32 to 104 F)
- Storage temperature: -40 to 70 C (-40 to 158 F)
- Operating altitude: up to 3,048 m (10,000 ft)
- Seismic: designed to meet GR-63, Zone 4 requirements

FAQs

Q: How does this differ from the EX9253-BASE-DC?
A: The EX9253-RED-DC is the redundant configuration with two EX9253-RE Routing Engines and four DC power supplies. The EX9253-BASE-DC has a single Routing Engine and three DC power supplies.

Q: What power input does it need?
A: It uses four JNP-PWR1100-DC-BB DC power supplies on a -40 to -72 V DC input. Maximum chassis power is 2692 W, and each line card adds a further 740 to 800 W.

Q: Which line cards work with this chassis?
A: The EX9253-6Q12C and EX9253-6Q12C-M line cards. Each provides 12x QSFP28 40/100GbE ports and 6x QSFP+ 40GbE ports, with up to 2.4 Tbps of capacity.

Q: Does it need a software licence?
A: It runs Junos OS. Feature licensing depends on the software features you plan to deploy, so confirm your requirements before ordering.

Q: What is the minimum Junos release?
A: The hardware guide lists Junos 18.2R1 as the minimum release for this configuration.

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