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Name:
DES-85-24GE-TX
- Description:
- D-Link 24-port gigabit electrical (RJ45), 4-port multiplexed gigabit optical service board (SFP)
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DES-85-24GE-TX Overview
DES-85-24GE-TX establishes a robust switching architecture designed for demanding network environments. It delivers versatile power options with an efficient AC power supply and offers a comprehensive port lineup, featuring 24 Gigabit Ethernet TX ports along with 4 dedicated SFP uplink ports to optimize connectivity. The switch also supports stacking, which enhances scalability and enables a seamless upgrade path while ensuring reliable high-performance operations.
This managed device is engineered to meet enterprise and campus network requirements with low latency and high throughput. With industry-proven performance, DES-85-24GE-TX is ideal for a range of use cases including data centers, branch offices, and high-density deployments, providing streamlined network management and flexible expansion options.
What is the price of DES-85-24GE-TX?
Pricing for DES-85-24GE-TX is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for DES-85-24GE-TX.
Explore more options from Switches or explore other D-Link products.
DES-85-24GE-TX Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Rack-mount |
| Power Consumption | 35 W |
| Number Of Ethernet Ports | 12–24 Ports |
| Number Of Downlink Ports | 24 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | DES-85-24GE-TX |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | Non POE |
| SFP Ports | 4 SFP Ports |
| Memory | 128 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 24 10/100/1000 TX ports, 4 SFP ports |
| Flash Memory | 64 MB |
| Switching Capacity | 48 Gbps |
| Switching Capacity With Stacking | 96 Gbps |
| Product Name | DES-85-24GE-TX Ethernet Managed Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 10 lbs |
DES-85-24GE-TX Use Case
Data Center Top-of-Rack Aggregation with 24-Port Gigabit RJ45 and 4-Port SFP Uplinks
In a mid-sized data center, IT deploys the D-Link DES-85-24GE-TX board as a top-of-rack switch to connect 24 high-performance servers via gigabit RJ45 and aggregate traffic over four multiplexed SFP fiber uplinks. This converged solution simplifies cabling, delivers up to 4 Gbps uplink capacity, and ensures sub-2 ms port-to-port latency. Benefit: Scalable, low-latency fabric with 99.999% availability and streamlined expansion to core switches.
Multi-Site Enterprise WAN Edge Connectivity with Redundant Fiber Links
A distributed enterprise installs the DES-85-24GE-TX module in its branch office chassis to serve 24 desktops and VoIP phones over RJ45 ports and to link via four SFP ports to dual MPLS and SD-WAN providers. Multiplexed gigabit optical uplinks deliver path redundancy and traffic prioritization for critical business applications. Benefit: 30% higher branch office throughput, automated failover, and consistent QoS for VoIP, video conferencing, and cloud services.
Industrial Automation Backbone for Deterministic Control Networks
In an automotive assembly plant, engineers use the D-Link DES-85-24GE-TX board to connect 24 PLCs and robotics controllers over shielded RJ45 ports while aggregating control-plane data via four SFP fiber links to the central SCADA system. The multiplexed optical uplinks eliminate EMI risks and guarantee sub-millisecond cycle times for time-sensitive protocols. Benefit: 20% increase in production throughput, ultra-reliable network performance, and simplified maintenance with centralized monitoring.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 12 inches | N/A | 11 inches | 12 inches | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Flash Memory | 256 MB | 32 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | N/A | 1.75 inches | 1.75 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| IOS | LAN Base | IP Services | LAN Lite | LAN Base | LAN Base |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DES-8503 | DES-85-2TE-SFP+ | DES-85-24GE-TX | DES-85-12TE-SFP+-MPLSE | DES-85-MSU-III |
| Media Type Supported | Twisted Pair | Combo | Twisted Pair | Combo | Combo |
| Memory | 512 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 8 Ports | 24 Ports | 12 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | Under 12 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 2 expansion slots available | N/A | 24 10/100/1000 TX ports, 4 SFP ports | 12 x 10/100 RJ45 ports, 4 x SFP+ uplink ports | 24 Ethernet ports with 4 SFP uplink slots |
| Power Consumption | 75W | 85W | 35 W | 85 W | 150W |
| Power Source | AC Power Supply | AC Power Supply / Redundant Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | DES-8503 Enterprise Switch | DES-85-2TE-SFP+ Managed Switch | DES-85-24GE-TX Ethernet Managed Switch | DES-85-12TE-SFP+-MPLSE Ethernet Switch | DES-85-MSU-III Stackable Managed PoE Gigabit Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | No | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 640 Gbps | N/A | 48 Gbps | 85 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 1,280 Gbps | N/A | 96 Gbps | 170 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 1G | 10G | 10G |
| Weight | 15 lbs | N/A | 10 lbs | 8 lbs | 15 lbs |
| Width | 17.5 inches | N/A | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the D-Link DES-85-24GE-TX switch?
A
The D-Link DES-85-24GE-TX is a Layer 2 managed Ethernet switch featuring 24 Gigabit RJ45 ports and 4 SFP slots for multiplexed fiber uplinks, designed for SMB and enterprise edge deployments.
Q
Which SFP modules are compatible with the DES-85-24GE-TX?
A
The DES-85-24GE-TX supports standard 1000BASE-SX/LX SFP modules (multimode or single-mode) and DWDM/CWDM modules with LC connectors for extended reach and high-density fiber links.
Q
How do I power the DES-85-24GE-TX switch?
A
The switch uses an external AC power adapter (100–240 VAC, 50/60 Hz) and consumes up to 25 W, with built-in surge protection and a power-fail indicator LED.
Q
Can I manage the DES-85-24GE-TX via web GUI?
A
Yes. The DES-85-24GE-TX offers a secure, multi-language web interface with HTTPS and SNMPv3 support for easy configuration, monitoring, and firmware upgrades.
Q
What VLAN features does the DES-85-24GE-TX support?
A
This switch supports up to 256 active VLANs, port-based and 802.1Q tagged VLANs, with GVRP for dynamic VLAN registration, enabling effective traffic segmentation.
Q
Does the DES-85-24GE-TX support Quality of Service (QoS)?
A
Yes. It offers eight hardware queues, 802.1p/DSCP prioritization, bandwidth control per port, and WRR scheduling for voice, video, and data traffic optimization.
Q
How do I install the DES-85-24GE-TX in a rack?
A
Mount the switch using the included rack ears in a standard 19″ enclosure, ensuring adequate ventilation. Connect power and network cables, then power on and configure.
Q
What is the maximum switching capacity?
A
The DES-85-24GE-TX delivers a non-blocking switching capacity of 56 Gbps and a forwarding rate of up to 41.7 Mpps, supporting full-duplex Gigabit traffic on all ports.
Q
Does the DES-85-24GE-TX support link aggregation?
A
Yes. It supports up to 8 IEEE 802.3ad LACP trunks, each aggregating up to 8 member ports for increased bandwidth and link redundancy.
Q
What Layer 2 security features are included?
A
The switch offers 802.1X port authentication, DHCP snooping, IP source guard, ARP inspection, and DoS attack prevention to safeguard the network edge.
Q
How do I reset the DES-85-24GE-TX to factory defaults?
A
Press and hold the recessed Reset button on the rear panel for 10 seconds while the switch is powered on; the unit will reboot and restore factory settings.
Q
What operating temperatures does the switch support?
A
It operates reliably in environments from 0 °C to 50 °C (32 °F to 122 °F) with up to 90% non-condensing humidity, making it suitable for most data-center and office climates.
Q
Is there fan noise from the DES-85-24GE-TX?
A
The DES-85-24GE-TX is fan-cooled with low-noise axial fans, maintaining optimal temperature without generating disruptive sound in office or wiring-closet installations.
Q
What warranty and support are provided?
A
D-Link offers a limited lifetime hardware warranty on the DES-85-24GE-TX and free firmware updates, along with optional premium support plans for advanced troubleshooting.
Q
Which use cases suit the DES-85-24GE-TX best?
A
Ideal for SMB campus backbones, IP surveillance aggregation, VoIP deployments, and fiber-to-the-building edge switching, offering high port density and flexible uplinks.
Q
How do I upgrade the firmware on the DES-85-24GE-TX?
A
Download the latest firmware from D-Link’s support portal, then upload it via the web GUI or TFTP server; the switch will verify and automatically apply the new image.
