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Juniper EX4400-EM-4S 4x10G SFP+ Expansion Module for EX4400 Series
ex4400-em-4s
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The Juniper EX4400-EM-4S expansion module adds four 10GbE SFP+ uplink interfaces to EX4400 Series switches, providing flexible fiber connectivity and increased bandwidth for enterprise access and aggregation deployments.
Key Features
4 × 10G SFP+ Uplinks
Adds four high-speed SFP+ interfaces for aggregation, backbone, and uplink connectivity.
Flexible Speed Support
Supports either 1GbE or 10GbE operation across all ports for deployment flexibility.
Hot-Swappable Design
Supports replacement without powering down the switch when properly disabled through CLI.
EX4400 Optimized
Designed exclusively for Juniper EX4400 Series switches to ensure seamless integration.
Specifications
| Model | EX4400-EM-4S |
| Product Type | 10G SFP+ Expansion Module |
| Brand | Juniper Networks |
| Function | Adds 4 × 10GbE SFP+ Uplink Interfaces to EX4400 Switches |
| Ports | 4 × SFP+ Ports |
| Supported Speeds | 1GbE or 10GbE (all ports operate at the same speed) |
| Default Port Mode | 10GbE |
| Compatibility | Juniper EX4400 Series Switches |
| Hot Swap Support | Yes (CLI offline procedure required before removal) |
| LED Indicators | Per-Port Status LEDs |
| Software Requirement | Junos OS 21.1R1 or Later |
| Cooling | Passive Cooling (Fanless) |
| Form Factor | Fits Standard 1U EX4400 Switch Chassis |
Key Benefits
- Expanded Network Capacity – Adds four additional uplink ports to support growing bandwidth requirements.
- Flexible Deployment – Supports both 1GbE and 10GbE connectivity to match different network architectures.
- Simplified Upgrades – Easily increase uplink density without replacing existing switching infrastructure.
- Reliable Operation – Hot-swappable design minimizes service interruptions during maintenance.
- Enterprise Scalability – Ideal for campus, branch, aggregation, and distribution layer deployments requiring high-speed fiber uplinks.
Frequently Asked Questions About Product
If these questions do not dispel your doubts, please contact us
Where do your products come from?
All of our products from Cisco Disti，Cisco partner, Cisco distribution directly.
How to ship the goods?
Datadirect cooperation with FEDEX,UPS & DHL and air shipment. Orders can be tracked by express Tracking number. Air shipment will supply the B/L.
Can l use my own freight account to ship my order?
Sure, we can use your accounts to ship goods without any issue.
What's your warranty for the products you sell?
We guarantee that every item we ship is genuine, brand new, and backed by full global warranty coverage from the manufacturer.
Warranty Claims & Support:
- Active Warranty: Apply for a hassle-free RMA at any local official service center.
- Expired Warranty: Reached the end of your warranty? Contact our customer support team—we provide out-of-warranty paid RMA and repair services to help you fix the issue.
I want to buy a licence/service for a device, can I use it properly locally?
Fortinet, Meraki branded equipment licences purchased from us can be used globally, Cisco service needs to be confirmed by contacting us
How Hardware Procurement Works
A straightforward four-step process. No hidden costs, no ambiguous timelines. From your first inquiry to delivery, you know exactly what happens next.
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We respond within 24 hours with a complete quote - itemized pricing, lead time, and logistics estimate. No vague estimates.
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Confirm and Pay
Approve the quote, complete payment or confirm agreed credit terms. We then place the order with our verified supply network.
STEP 04 / 04
Delivery and Handover
We manage logistics end-to-end and provide tracking. Delivery comes with full documentation and post-delivery support.
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