210-AJIU - Dell EMC N1148T-ON 48-Port GbE Layer 2 Switch

Dell EMC PowerSwitch N1148T-ON: 48x GbE RJ45 ports + 4x SFP+ 10GbE uplinks, Layer 2 managed, stackable, fanless 1U switch for enterprise networks.

The Dell EMC PowerSwitch N1148T-ON (MPN 210-AJIU) is a Layer 2 managed Gigabit Ethernet switch from the N1100 Series, designed for enterprise and campus network access layers. It provides 48 line-rate 10/100/1000Mbps RJ45 ports plus 4 integrated SFP+ ports supporting 1GbE or 10GbE uplinks/stacking. Built on a 1U fanless chassis, it delivers a 176Gbps switch fabric and up to 132Mpps forwarding rate. The switch supports Open Network Install Environment (ONIE) for alternate OS installation, high-availability stacking of up to four units, and runs Dell Networking OS 6 with a familiar CLI/GUI for streamlined administration. It suits wiring closets, IDF/MDF deployments, and growing GbE networks requiring high-density aggregation with redundancy.

• Manufacturer: Dell EMC
• Product Family: Dell EMC Networking N-Series
• Product Series: N1100 Series
• Model: N1148T-ON
• Product Type: Layer 2 Managed Gigabit Ethernet Switch
• Ports: 48x 10/100/1000Mbps RJ45 + 4x SFP/SFP+ (1/10GbE)
• Switch Fabric Capacity: 176 Gbps
• Forwarding Rate: 132 Mpps
• MAC Address Table: 16K entries
• Flash Memory: 1 GB
• CPU Memory: 1 GB
• Packet Buffer Memory: 4 MB
• VLANs Supported: 512
• Link Aggregation: 64 LAG groups, 8 member ports per LAG
• Operating System: Dell EMC Networking OS 6 (ONIE-enabled for alternate OS)
• Stacking: Up to 4 units, 192 GbE ports, stacking speed up to 176Gbps
• Form Factor: 1U rack-mountable, fanless
• Dimensions (H x W x D): 44.45 mm x 431.8 mm x 254 mm (1.75 x 17 x 10 in)
• Weight: Approx. 3.78 kg (8.33 lbs)
• Power Supply: AC internal power supply
• Operating Temperature: 0°C to 45°C (32°F to 113°F)
• Storage Temperature: -40°C to 65°C (-40°F to 149°F)
• Operating Humidity: 95%
• Warranty: Lifetime Limited Warranty with Basic Hardware Service
• Management: CLI and GUI, common command language across N-Series

• 48 line-rate Gigabit Ethernet RJ45 ports for high-density access connectivity
• 4x integrated SFP+ ports supporting 1GbE or 10GbE uplinks
• Non-blocking 176Gbps switch fabric for high-throughput performance
• Fanless 1U design for quiet, energy-efficient operation
• Supports Open Network Install Environment (ONIE) for alternate OS installation
• High-availability stacking of up to 4 units managed from a single IP
• Dell EMC Networking OS 6 with familiar CLI/GUI for easy administration
• Interoperability with Cisco RPVST+ and CDP for mixed-vendor environments
• Energy-Efficient Ethernet and short cable detection for power savings
• Access control lists (ACLs) and AAA/TACACS+/RADIUS security support
• Operates reliably at elevated temperatures up to 45°C to reduce cooling costs
• Lifetime limited hardware warranty covering repair, replacement, and software upgrades

Designed for enterprise access-layer and campus network deployments requiring dense Gigabit connectivity with 10GbE uplinks.

• Access-layer switching in enterprise wiring closets and IDF/MDF locations
• Campus network aggregation with high-density GbE port requirements
• Stacked switch deployments requiring centralized single-IP management
• Network backbone upgrades needing 10GbE uplink/stacking capability
• Data center edge connectivity for growing GbE network infrastructures
• Open networking deployments using ONIE to run alternate network OS
• Educational or branch office environments needing reliable L2 switching

• High port density for large-scale GbE deployments
• Fast 10GbE uplinks via SFP+ for backbone connectivity
• Fanless operation reduces noise and energy consumption
• Flexible stacking simplifies multi-switch management
• Open networking support via ONIE for OS flexibility
• Lifetime warranty reduces long-term ownership costs

• Form Factor: 1U rack-mountable, fanless
• Dimensions: 44.45 mm (H) x 431.8 mm (W) x 254 mm (D)
• Weight: Approx. 3.78 kg (8.33 lbs)
• Cooling: Fanless design

Per available documentation, this product is validated for use with:

• Dell EMC N1100 Series switches (N1108T-ON, N1108P-ON, N1108EP-ON, N1124T-ON, N1124P-ON, N1148P-ON) for mixed stacking
• Dell EMC SFP 1000BASE-T, SX, LX, ZX transceivers
• Dell EMC SFP+ 10GbE SR, LR, ER transceivers
• Dell Networking SFP+ to SFP+ copper twinax direct-attach cables
• Dell Tandem Tray (purchased separately) for dual half-width switch mounting
• Standard 19-inch equipment racks
• Networks using Cisco RPVST+ and CDP-enabled devices for interoperability

Note: 24- and 48-port T and P model switches can be mixed within the same stack; the 8-port model is not stackable and the Tandem Tray is sold separately.

• Dell EMC N1148T-ON switch unit
• Power cord
• Rack mounting brackets, bolts, and cage nuts
• Getting Started/installation documentation (printed or via Dell support site)

Q: What does the MPN 210-AJIU correspond to?

A: 210-AJIU is the Dell part number for the Dell EMC PowerSwitch N1148T-ON, a 48-port Gigabit Ethernet Layer 2 managed switch with 4 SFP+ ports.

Q: How many ports does the N1148T-ON (210-AJIU) have?

A: It has 48 10/100/1000Mbps RJ45 ports plus 4 SFP/SFP+ ports supporting 1GbE or 10GbE for uplinks and stacking.

Q: What is the switching capacity of this Dell switch?

A: The switch offers a switch fabric capacity of 176 Gbps and a forwarding rate of up to 132 Mpps, according to Dell's official specification sheet.

Q: Can multiple N1148T-ON units be stacked together?

A: Yes, up to four N1100 Series switches can be stacked for high-availability management from a single IP, and 24/48-port T and P models can be mixed in a stack.

Q: Is the Dell N1148T-ON fanless?

A: Yes, the N1148T-ON operates fanless, which reduces noise and energy consumption compared to fan-cooled switches.

Q: Does the switch support alternate network operating systems?

A: Yes, it supports the Open Network Install Environment (ONIE), allowing installation of alternate network operating systems beyond Dell EMC Networking OS 6.

Q: Is the Dell 210-AJIU (N1148T-ON) still sold new?

A: The switch is a legacy N-Series model; one reseller listing notes it is no longer available for direct purchase, though refurbished units remain available through third-party sellers.

Q: What warranty does the N1148T-ON come with?

A: Dell N-Series switches, including the N1148T-ON, are covered by a lifetime limited warranty with basic hardware repair or replacement service, per Dell's official specification sheet.