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Harvey Douglas
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Optical board delivers stable MPLS performance. Works as expected.
DES-85-48GE-SFP-MPLS-L
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D-Link 48-port Gigabit Optical Service Board (SFP)
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DES-85-48GE-SFP-MPLS-L
- Description:
- D-Link 48-port Gigabit Optical Service Board (SFP)
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- D-Link
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DES-85-48GE-SFP-MPLS-L Overview
DES-85-48GE-SFP-MPLS-L is a high-performance, rack-mount managed switch engineered with a robust architecture that supports advanced MPLS functionalities. It offers flexible power options including a choice between an AC power supply and a redundant power configuration, ensuring uninterrupted performance in mission-critical environments, while providing a total of 48 Gigabit Ethernet ports along with 4 dedicated SFP uplink slots for enhanced connectivity.
This switch integrates efficient stacking technology that promotes scalability and simplified network management, making it suitable for growing enterprise and carrier-grade deployments. With its optimized performance and high switching capacity, DES-85-48GE-SFP-MPLS-L is designed to meet demanding use cases in data centers, campus networks, and service provider applications.
DES-85-48GE-SFP-MPLS-L price is is available on request. Get immediate quote.
Request bulk order quote for DES-85-48GE-SFP-MPLS-L for additional pricing. Browse the full D-Link Core Switches series or explore all D-Link products.
DES-85-48GE-SFP-MPLS-L Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply/Redundant Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- DES-85-48GE-SFP-MPLS-L
- Uplink Configuration
- 1G/10G
- IOS
- N/A
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 48 Gigabit Ethernet ports with 4 dedicated SFP uplink slots
- Flash Memory
- 64 MB
- Switching Capacity
- 176 Gbps
- Switching Capacity with Stacking
- 352 Gbps
- Product Name
- DES-85-48GE-SFP-MPLS-L Gigabit Ethernet Managed Switch
- Height
- 1 RU
- Width
- 17 inches
- Depth
- 18 inches
- Weight
- 25 lbs
DES-85-48GE-SFP-MPLS-L Use Case
Campus Backbone Fiber Aggregation with DES-85-48GE-SFP-MPLS-L
A large university deploys the D-Link DES-85-48GE-SFP-MPLS-L 48-port Gigabit Optical Service Board in its core switches to aggregate fiber runs from 20 buildings across a 15 km campus. Leveraging SFP-based gigabit links and MPLS-LITE segmentation, IT delivers low-latency access to 12 000 students and staff while simplifying cable management and supporting future 10 Gbps uplinks. Outcome: consolidated network fabric, 30% reduction in link failures, and scalable performance growth.
Data Center Leaf-Spine Expansion Using 48-Port Gigabit SFP Module
A financial services firm integrates the DES-85-48GE-SFP-MPLS-L board into its leaf switches to connect 48 server racks via SFP optics and aggregate traffic to spine switches with redundant 10 Gbps uplinks. The board’s high port density and hardware-assisted MPLS enable predictable East-West throughput and sub-millisecond latency for latency-sensitive trading applications. Outcome: 40% lower oversubscription ratio, sub-1 ms latency SLAs, and streamlined fiber deployment.
Service Provider MPLS Edge Aggregation for Multi-Tenant Connectivity
An ISP installs the D-Link 48-port Gigabit Optical Service Board in its central office routers to terminate customer fiber circuits with SFP modules and apply MPLS VPN for secure multi-tenant services. Advanced QoS and traffic-engineering features ensure SLA compliance for up to 48 small business customers. Outcome: 25% increase in port utilization, automated provisioning via SNMP, and guaranteed 99.99% uptime.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DES-85-48GE-SFP-MPLS-L |  DES-85-2TE-SFP+E |  DES-85-12GE-TX/SFP |  DES-85-MSU-III |  DES-85-48GE-TX-MPLS-L | |
|---|---|---|---|---|---|
| Depth | 18 inches | 14 inches | 12 inches | 12 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 32 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 RU | 1 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | N/A | LAN Base | LAN Base | LAN Base | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DES-85-48GE-SFP-MPLS-L | DES-85-2TE-SFP+E | DES-85-12GE-TX/SFP | DES-85-MSU-III | DES-85-48GE-TX-MPLS-L |
| Media Type Supported | Combo | Combo | Combo | Combo | Twisted Pair |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 12 Ports | N/A | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | Non POE |
| Port/Expansion Slot Details | 48 Gigabit Ethernet ports with 4 dedicated SFP uplink slots | 12 fixed 10/100/1000 Ethernet ports and 4 multi-gig combo ports with 10G SFP+ capability | 12 Combo Ports | 24 Ethernet ports with 4 SFP uplink slots | 48 GE ports, 4 SFP uplink ports |
| Power Consumption | N/A | 32 W | 35 W | 150W | N/A |
| Power Source | AC Power Supply/Redundant Power Supply | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | DES-85-48GE-SFP-MPLS-L Gigabit Ethernet Managed Switch | DES-85-2TE-SFP+E High Performance Rack-Mount Switch | DES-85-12GE-TX/SFP Managed Ethernet Switch | DES-85-MSU-III Stackable Managed PoE Gigabit Switch | DES-85-48GE-TX-MPLS-L Network 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 | Yes | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 128 Gbps | 24 Gbps | 128 Gbps | N/A |
| Switching Capacity with Stacking | 352 Gbps | 256 Gbps | 48 Gbps | 256 Gbps | N/A |
| Uplink Configuration | 1G/10G | 10G | 1G | 10G | 1G |
| Weight | 25 lbs | 12 lbs | 10 lbs | 15 lbs | 15 lbs |
| Width | 17 inches | 17 inches | 17.5 inches | 17.5 inches | 19 inches |
Reviews & Ratings
K
Kashif Riaz
5
Installed without complications and runs smoothly.
J
Julio Ramirez
4
Consistent throughput across all ports.
S
Saqlain Haider
4
Reliable hardware for long term use.
V
Victor Stone
4
Good quality service board for enterprise networks.
Questions & Answers
What is the D-Link DES-85-48GE-SFP-MPLS-L?
The DES-85-48GE-SFP-MPLS-L is a 48-port Gigabit optical service board with SFP slots, designed for high-density fiber aggregation in D-Link chassis.
How many Gigabit SFP ports does this service board provide?
This module provides 48 independent Gigabit SFP ports for modular fiber connectivity and link aggregation.
Which SFP transceiver types are supported?
It supports standard 1000Base-SX/LX SFP transceivers, including single-mode and multi-mode modules up to 80 km reach.
Does the DES-85-48GE-SFP-MPLS-L support MPLS protocols?
Yes, it fully supports MPLS label switching and LDP for traffic engineering and VPN services.
Is this board compatible with D-Link chassis switches?
Yes, it is compatible with D-Link DES-8100, DGS-3810, and other x85 series modular chassis.
What layer-2 and layer-3 features are supported?
It offers VLAN, QoS, jumbo frames, OSPF, RIP, BGP, VRRP, and static routing capabilities.
Can I hot-swap the DES-85-48GE-SFP-MPLS-L board?
Yes, the board is fully hot-swappable for zero-downtime maintenance in supported chassis.
How is the DES-85-48GE-SFP-MPLS-L managed?
Management is via CLI, Web GUI, SNMP v1/v2c/v3, and RMON for comprehensive monitoring.
What is the typical power consumption?
The typical power draw is 25 W under full load, optimizing energy efficiency.
What are the operating temperature ranges?
It operates reliably from 0 °C to 50 °C ambient temperature.
What are the physical dimensions and weight?
The board measures 440 × 200 × 30 mm and weighs approximately 0.75 kg.
Does this module support link aggregation?
Yes, it supports LACP 802.3ad for up to 8-port link aggregation groups.
What fiber link distances are achievable?
With appropriate SFPs, distances range from 550 m in multi-mode to 80 km in single-mode fiber.
Are there LED indicators for port status?
Yes, each port features LED status indicators for link/activity, speed, and diagnostic alerts.
What warranty and support options are available?
D-Link offers a lifetime limited hardware warranty and 24/7 technical support for this board.
What are common deployment use cases?
Ideal for metro Ethernet, data center aggregation, and service provider fiber access applications.