| Product Type | Fixed Router |
| Model | NCS55A1 |
| Manufacturer Part Number | NCS-55A1-24Q-DTCR |
| Connectivity Technology | Wired |
| Data Link Protocol | Gigabit Ethernet |
| Transport Protocol | Gigabit Ethernet |
| Switching Protocol | Gigabit Ethernet |
| Data Transfer Rate | 100 Gbps |
| TAA Compliance | Yes |
| Network Device Type | Router |
| Form Factor | 1 RU rack-mountable |
| Power Requirements | AC or DC, redundant power supplies supported |
| Redundancy | Redundant power supplies (1+1), fan trays (2+1) |
| Power Consumption (Typical) | Approximately 250W |
| Software | Cisco IOS XR |
Cisco NCS55A1 24x1/10G 24x10/25G 6x100G Data Center Router

Key Benefits
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- Supports high-capacity data throughput with versatile port combinations for scalable data center deployment
- Enhanced network control with comprehensive routing and management protocol support
- Meets TAA compliance, making it suitable for government and regulated industry use
Product Overview
The Cisco NCS55A1 is a high-performance fixed router featuring 24x1/10G, 24x10/25G, and 6x100G ports—ideal for data-intensive environments. It supports Gigabit Ethernet protocols and delivers speeds of up to 100 Gbps, making it well-suited for data centers and service providers. With support for advanced routing protocols like BGP, OSPFv2/v3, and ISIS, it enables flexible and efficient routing. Remote management is streamlined with SNMP, SSH, and both IPv4 and IPv6 compatibility. The router is TAA-compliant and supports secure access through TACACS+, meeting requirements for enterprise and governmental networks.
Specifications
Product Overview
Cloud Management & Licensing
| Operating System | Cisco IOS XR |
| Remote Management Protocols | SNMP, SSH, IPv4, IPv6 |
| Management Interface | CLI, SNMP, NETCONF supported |
| Licensing Model | Cisco Smart Licensing |
| Cloud-based Management Support | Supported through Cisco Crosswork Network Services Orchestrator (NSO) |
Physical & Environmental
| Dimensions (W x D x H) | 17.5 x 18 x 1.72 inches (445 x 457 x 43.6 mm) |
| Weight | Approximately 15 lbs (6.8 kg) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Operating Humidity | 5% to 85% non-condensing |
| Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
| Storage Humidity | 5% to 95% non-condensing |
Interfaces
| Total Ports | 54 |
| 1/10 Gigabit Ethernet Ports | 24 |
| 10/25 Gigabit Ethernet Ports | 24 |
| 100 Gigabit Ethernet Ports | 6 |
| Port Speeds | 1G, 10G, 25G, 100G |
| Physical Interfaces | QSFP28 and SFP+ slots |
| Expansion Slots | None; fixed configuration |
| Console Ports | 1 x RJ-45 |
| Management Ports | 1 x 10/100/1000 Mbps RJ45, 1 x USB 2.0 |
Advanced Security Features
| Authentication Method | TACACS+ |
| Secure Management | SSH, SNMPv3 |
| Access Control | ACLs, Role-Based Access Control (RBAC) |
| Routing Protocols | Static, OSPFv2, OSPFv3, IS-IS, IS-ISv6, BGP |
| IPv6 Support | Yes |
Compliance & Origin
| Country of Origin | China / United States |
| Certifications | RoHS, WEEE, NEBS Level 3 |
| Compliances | CE Mark, FCC Part 15 (Class A), TUV/UL/CSA |