| Product Type | Modular Secure KVM Switch |
| Form Factor | Desktop |
| Number of Connected Computers | 4 |
| Modular Design | Yes |
| Supplied Remote Control | Yes |
| Power Supply | External power adapter (not included) |
| Power Requirements | 12V DC, 2A |
| Series | PP4.0 |
Belkin 4-Port Modular Secure KVM Switch Base Unit with Remote (PP4.0)

Key Benefits
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- Supports secure switching between 4 systems, ideal for sensitive IT environments
- Modular architecture enables tailored deployments and future upgrades
- Made in the USA and TAA compliant, aligned with federal procurement standards
Product Overview
The Belkin 4-Port Modular Secure KVM Switch Base Unit (F1DN104MOD-BA-4) delivers secure centralized control of up to four systems. Designed in a desktop form factor, it features modular architecture with console and host connectivity. The switch is TAA-compliant and manufactured in the United States, making it ideal for clinical-grade or classified environments. Supplied with remote control, it supports safer, neater desk configurations. Although specific technical interfaces are not detailed, this unit represents a key component in Belkin’s PP4.0 series for high-security applications.
Specifications
Product Overview
Physical & Environmental
| Dimensions (W x D x H) | 7.32 in x 4.17 in x 1.72 in (186 mm x 106 mm x 43.8 mm) |
| Weight | 2.5 lb (1.13 kg) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Storage Temperature | -4°F to 140°F (-20°C to 60°C) |
| Operating Humidity | 0% to 80% non-condensing |
| Storage Humidity | 0% to 95% non-condensing |
| Chassis Material | Metal |
Cloud Management & Licensing
| Remote Management | Via supplied remote control |
| Cloud Management | No |
| Enterprise Licensing | Not Required |
| Management Interface | Physical remote only, no network access |
Interfaces
| Console Ports | Modular connector |
| Host Ports | Modular connector |
| Number of Ports | 4 Host Ports (via modular connections) |
| Supported Console Interfaces | Dependent on console module (HDMI, DisplayPort, USB, etc.) |
| Supported Host Interfaces | Dependent on host interface module |
| USB Support | Dependent on installed modules |
Compliance & Origin
| Country of Origin | United States |
| TAA Compliant | Yes |
| Compliant Certifications | NIAP Protection Profile v4.0 |
| Certifications | FCC Class A, CE, ICES, UL, NIAP PP4.0 |
| Security Accreditation | Common Criteria NIAP PP4.0 Certified |
| RoHS Compliant | Yes |
Advanced Security Features
| Security Architecture | Non-reprogrammable firmware, isolated data paths |
| Secure EDID Learn and Emulation | Yes |
| Tamper-Proof Housing | Yes |
| Diode USB Protection | Yes |
| Unidirectional Data Flow | Yes |
| Peripheral Isolation | Yes |
| Keyboard and Mouse Filtering | Yes |
| Port Selection Control | Dedicated remote with port indication |