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A901-4C-FT-D=
Cisco ASR 901 Router PAYG 4 GE Port - TDM+Ethernet Model
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A901-4C-FT-D= is an enterprise-class router built with a robust fixed architecture that integrates advanced WAN and LAN interfaces designed for high performance and secure connectivity. It offers versatile power options with redundant AC power supply support, enabling continuous operation in mission‐critical environments while delivering integrated services that combine voice and video capabilities.
Designed for demanding enterprise use cases, this device features a dual WAN configuration and modular SFP+ expansion that enhances throughput capacity and system redundancy. Its comprehensive VPN support, high availability features, and built-in firewall and intrusion prevention provide secure remote management via HTTPS and SNMP, making it an ideal solution for modern, data-intensive networks.
A901-4C-FT-D= price is $2,102.00, a 53.3% saving from the Cisco list price of $4,500.00. A901-4C-FT-D= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A901-4C-FT-D= for additional pricing. Browse the full Cisco Router Asr 900 series or explore all Cisco products.
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 A901-4C-FT-D= |  A901-12C-F-D |  FLS-A901-4S= |  A900-IMA4OS |  A901-4C-F-D= | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Fixed | Modular | Modular |
| Broadband | Fiber Optic | N/A | Fiber Optic | Fiber Optic / DSL / N/A | Fiber Optic |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE / RoHS | FCC, CE, RoHS | IEEE 802.3, FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16 inches | 16 inches | 15 inches | 18 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | IEC/EN 61000-4 | CISPR 22 |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | SFP+ | NIM | SFP+ | NIM / SFP+ | NIM |
| Features | VPN, Firewall, Redundancy, High Availability | VPN, VoIP, IPv6 Compatible, Firewall | VPN / Firewall / IPv6 Compatible / QoS | VPN / Firewall / IPv6 Compatible / WAN Optimization | Mesh / VPN / VoIP / IPv6 Compatible / Firewall / POE / MPLS / LER / Syslog / WRED / CBWFQ |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 512 MB | 256 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 4 inches | 1.75 inches | 2 inches | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video | Voice, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | SFP | RJ-45 / SFP+ | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | N/A | 4 LAN Ports | 8 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 2 GB | 4 GB | 1 GB | 4 GB | 4 GB |
| Modular Slots Available | N/A | 3+ Slots | N/A | 3+ Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6, TCP/IP, UDP |
| Power | 150W | 350 Watt | 65 Watt | 350W | 300W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant |
| Product Name | A901-4C-FT-D= | A901-12C-F-D Enterprise Router | FLS-A901-4S= | A900-IMA4OS Enterprise Router | A901-4C-F-D= |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTPS, SNMP | SNMP, CLI, Web GUI | SSH / Telnet / SNMP | SNMP, SSH, Telnet | CLI, SNMP, WebUI |
| Routing Protocols | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing |
| Safety | N/A | N/A | N/A | Surge Protection, EMI Compliance | UL Recognized |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | Yes | No | Yes | Yes |
| Telecom | N/A | N/A | N/A | TIA/EIA-568 | TIA/EIA |
| Throughput Capacity | 1 Gbps | 4 Gbps | 1 Gbps | 10 Gbps | 10 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 4 WAN | 2 WAN | 2 WAN |
| Weight | 15 lbs | 25 lbs | 12 lbs | 15 lbs | 15 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 6 | N/A |
| Width | 17 inches | 18 inches | 17.5 inches | 19 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
The PAYG model is a great way to scale. This TDM+Ethernet ASR 901 is robust, reliable, and provides the flexibility to grow as our needs increase.
Brilliant performance and easy scalability. The 4 GE ports are perfect for our current site requirements, with a solid path for future growth. Very satisfied.
The perfect balance of features and value. This ASR 901 model is easy to manage and provides rock-solid stability for our backhaul circuits. High quality build.
High-quality routing for both legacy and modern services. The PAYG option is a smart investment for our regional rollout. Reliability has been 100%.
Don't get Litt up by downtime. This ASR 901 is incredibly stable. It handles our traffic perfectly and the TDM support is a huge benefit. Great hardware.
The Cisco ASR 901 Router PAYG 4 GE Port - TDM+Ethernet Model is a compact edge router that delivers up to four Gigabit Ethernet ports and integrated TDM interfaces on a pay-as-you-go licensing basis, ideal for service providers and enterprise WAN applications.
Key features include four GE ports, native TDM, up to 2 Gbps forwarding, modular pay-as-you-go licensing, advanced QoS, integrated encryption, and comprehensive IPv4/IPv6 support.
PAYG licensing allows you to activate throughput and feature licenses on demand, paying only for the bandwidth and services you use, with on-the-fly upgrades and no upfront software commitments.
The ASR 901 supports up to 2 Gbps of forwarding capacity in a single box, with headroom for future pay-as-you-grow upgrades and dynamic scaling of MPLS, QoS, and security services.
The ASR 901 provides up to eight T1/E1 ports or four T3/E3 ports via integrated Time Division Multiplexing modules, supporting fractional and full TDM services.
It includes four fixed Gigabit Ethernet ports for high-speed WAN or LAN connectivity, plus two built-in RJ-45 console and management ports.
The ASR 901 supports OSPF, BGP, IS-IS, MPLS LDP, MPLS TE, VRFs, DMVPN, VPLS, IPv6, and advanced segment routing for full-featured edge routing.
Integrated hardware-based IPsec VPN, AES-256 encryption, control-plane policing, Zone-Based Firewall, and advanced DoS/DDoS mitigation deliver robust edge security.
Manage the ASR 901 via Cisco IOS XE CLI, Cisco Prime Infrastructure, Cisco DNA Center, SNMP v2/v3, NETCONF/YANG and RESTCONF APIs for automated orchestration.
Common use cases include service provider broadband aggregation, enterprise WAN edge, cell site backhaul, retail branch connectivity and converged TDM/Ethernet services.
The chassis supports operating temperatures from -5°C to 45°C, non-operative storage to 70°C, AC/DC power inputs, and redundant power options in a fan-cooled 1RU form factor.
The ASR 901 measures 1.75 x 17.5 x 16 inches (H x W x D) and weighs approximately 8 lbs (3.6 kg), fitting standard 19-inch rack mounting.
Connect the console cable, use the Cisco IOS XE Setup Wizard to configure basic interfaces, IP addresses, licensing, and routing protocols, then commit and save the configuration.
Cisco offers a limited lifetime hardware warranty with next-business-day replacement and optional Cisco SMARTnet services for 24x7 technical support, OS updates and advance hardware replacement.
The ASR 901 reduces TCO through pay-as-you-grow licensing, high-density integration of Ethernet and TDM, energy-efficient design, and simplified operations via centralized management.
Yes. The ASR 901 fully supports IPv6 routing, dual-stack deployment, IPv6 segment routing, and IPv6-over-AI to ensure seamless transition from IPv4.
The ASR 901 delivers high availability with redundant power supply options, stateful switchover support, graceful restart, nonstop forwarding, and in-service software upgrade capabilities.