| Product Type | Carrier-Grade Router Chassis |
| Model | NCS55A1 |
| Form Factor | Fixed 2RU Chassis |
| Application | Remote PHY aggregation, high-bandwidth routing |
| Connectivity Technology | Wired |
| Power Supply | AC or DC redundant power supplies (depending on configuration) |
| Power Consumption | Typically ~900W (max over 1200W depending on config) |
| Weight | Approximately 26.7 lbs (12.1 kg) without optics |
| Redundancy | Power and fan tray redundancy |
CISCO NCS55A1 Fixed 36x100G Scale Router Chassis

Key Benefits
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- Delivers exceptional data throughput with 36x100G ports, ideal for future-proofing large network uplinks
- Comprehensive routing and management protocol support enhances deployment flexibility across enterprise and service provider networks
- TAA compliance makes it a strong choice for contract-sensitive or government-regulated projects
Product Overview
The CISCO NCS55A1 Fixed 36x100G Scale Router Chassis is a carrier-grade networking system tailored for Remote PHY aggregation and high-bandwidth routing environments. Featuring 36x100G ports, it supports advanced data transport protocols including Gigabit Ethernet, OSPFv2/OSPFv3, and ISIS, and ensures secure data transactions via the AES encryption algorithm. Remote management capabilities via SNMP, SSH, IPv4/IPv6 enhance deployability and operations. TAA compliance enables use in government-regulated sectors. The unit does not include a processor, requiring complementary infrastructure for processing operations.
Specifications
Product Overview
Wireless Features
| Wi-Fi Support |
Compliance & Origin
| Country of Origin | China / United States |
| TAA Compliant | Yes |
| Compliance Standards | RoHS, NEBS Level 3 |
| Certifications | UL, CE, FCC, ICES, VCCI, RCM, EAC |
Advanced Security Features
| Encryption Algorithm | AES |
| Authentication Methods | TACACS+, RADIUS |
| Secure Boot | Yes |
| Control Plane Protection | Yes |
| Role-Based Access Control (RBAC) | Yes |
| ACL Support | Yes |
| Identity-Based Firewall Capabilities | Yes |
Interfaces
| Total Interfaces | 36 |
| Interface Type | QSFP28 |
| Port Speed | 100 Gbps per port |
| Aggregate Switching Capacity | 3.6 Tbps |
| Data Link Protocols | Ethernet, IEEE 802.3 |
| Transport Protocols | Gigabit Ethernet |
| Routing Protocols | OSPFv2, OSPFv3, ISIS |
| Port Type | 100GE |
Physical & Environmental
| Chassis Height | 2 RU |
| Dimensions (HxWxD) | 3.47 in x 17.3 in x 20.6 in (8.8 cm x 43.9 cm x 52.3 cm) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity (noncondensing) | 5% to 85% |
| Storage Humidity (noncondensing) | 5% to 95% |
| Cooling Mechanism | Front-to-back airflow; fan tray module |
| Rack Mountable | Yes |
Cloud Management & Licensing
| Management Interface | SNMP, SSH, CLI, NETCONF, RESTCONF |
| Remote Management Protocols | SNMP, SSH, IPv4, IPv6 |
| Licensing Model | Cisco Smart Licensing |
| Cloud Support | Cisco Crosswork, IOS XR APIs |