Rugged Cisco 3548 Switch

The RCAT-4948E is a hardened 2U 4948E Ethernet Switch machined out of solid aircraft aluminum that meets military standards.

Rugged Cisco Nexus 3548 Switch

The rugged RCAT-3548 is a hardened 1U 3548 Cisco Ethernet Switch machined out of solid aircraft aluminum sheets to lighten the chassis for payload sensitive requirements. It extends to military applications with enhancements that support the deployment of data and multimedia services that require thermal, shock, vibration, altitude, and humidity conditions not offered by the standard commercial Cisco version. Custom connections, external cable sets, and custom AC or DC power requirements are available.

The rugged 3548 chassis is milled from solid blocks of aircraft aluminum to provide unmatched structural rigidity. The aluminum is 6061T-651 strain hardened structural aircraft aluminum that is 0.25″ to 0.50″ thick.

All the components on the Cisco board are potted for vibration resistance. The boards are conformal coated for humidity and tin whiskering.

Core Systems designs the Rugged 3548 switch to meet or exceed the military specifications listed to the right. If you require further reference material on our testing documents and procedures please contact us here. Both the chassis and system configuration can be customized to meet your specific program requirements.

Technical Specifications

Environmental Specifications:

Operational Temperature Range: MIL-STD-810F/G, Method 501.5, Procedures I/II; -10C to +50C with solid state drives

Storage: MIL-STD-810F/G, Method 501.5, Procedures I/II; -40C to +75C

Humidity: MIL-STD-810F/G, Method 507.4; 48 hour, 95% RH 40-65C with humidity option

Altitude: MIL-STD-810F/G, Method 500.4; 12,500ft operation with 40,000ft transport

Vibration: MIL-STD-810F/G, Method 514.6 Procedure I; 4.43 GRMS, 5-20000Hzz, 60min/axis with solid state drives

Shock: MIL-STD-810F/G, Method 516.6, Procedures I/V; 20g, 11msec functional shock; 40g 11msec crash hazard shock

Other: MIL-STD-461F/G CE102 & RE102; Meets using CORESYSTEMS optional 461 EMI Kit


Height - 1.5 in (3.81 cm), Width - 17.4 in (44.19 cm), Depth - 18.00 in (45.72 cm), Weight - 20.00 lbs (9.07 kg)

Cisco Technology:

Integrated Cisco Catalyst 4948E Ethernet Switch (refer to for a full list of specifications); Cisco IOS Software- Enterprise Services, IP Base or LAN Base Image (pre-loaded); Support for Layer 2 and 3 Forwarding, EEM, QoS, IPv6 Switching and Routing, Extended MAC address table to enable server virtualization


48x 10/100/10000 Gigabit Ethernet (BASE-T) Downlinks (over Copper); 2x 10 Gigabit Ethernet (10GBASE-CX4) Uplinks, Compatible w/ Copper Twinax Media; 1x 10 Gbps Multi-mode Fiber (10GBASE-LRM), Compatible w/ 62.5 micron / 500 modal Bandwidth; 1x 1 Gbps Multi-mode Fiber (1000BASE-SX), Compatible w/ 50.0 micron / 500 modal Bandwidth; 1x EIA/TIA-232 Serial Console (Out-of-band management); 1x 100BASE-T Management Ethernet (In-band management)


80mm high speed, high volume fans (4 rear mounts); Thermostatically controlled via a Core Systems HeatSense fan controller


24 / 28VDC Voltage Input Range: 18-33 VDC; Power Consumption: <15W Max (Router), <50W Max (Router + GigE Switch)


24 / 28VDC Voltage Input; Power Consumption: <320W Max


Starter Cable Set (MIL-38999 to RJ-45/DB9); Custom Cable Set (Customer Specified)

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