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A900-IMA4OS
ASR 900 4 port OC3/STM1 or 1 port OC12/STM4 Interface Module
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A900-IMA4OS is a modular enterprise router that features a robust architecture designed for high performance and scalability. It offers flexible power options including AC, DC, and redundant supplies, and provides dual WAN interfaces alongside multiple LAN ports to support diverse network topologies, ensuring reliable connectivity and seamless integration into existing infrastructures.
The device integrates advanced services such as voice, video, and WAN optimization with built-in VPN features including IPSec and SSL VPN for secure communications. With modular capabilities that allow for expansion via NIM and SFP+ slots, high throughput capacity of up to 10 Gbps, redundant systems for high availability, and optimized performance for enterprise use cases, the A900-IMA4OS meets the rigorous demands of modern network environments.
A900-IMA4OS price is $4,250.00, a 62.5% saving from the Cisco list price of $11,326.00. A900-IMA4OS is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for A900-IMA4OS for additional pricing. Browse the full Cisco Router Asr 900 series or explore all Cisco products.
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 A900-IMA4OS |  A900-IMA16D |  A900-IMA8T |  A903-CABLE-GUIDE |  A903-RSP1B-55 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | Fiber Optic / DSL / N/A | Fiber Optic / DSL / LTE | N/A | Fiber Optic | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC, CE, RoHS | FCC, CE, RoHS | FCC, CE, RoHS | CE, FCC, RoHS | CE, FCC |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 18 inches | 18 inches | 16 inches | 18 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | IEC/EN 61000-4 | N/A | CISPR 22 | FCC, CE | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | NIM / SFP+ | NIM | NIM / SFP+ | NIM | SFP+ / NIM |
| Features | VPN / Firewall / IPv6 Compatible / WAN Optimization | VPN / IPv6 Compatible / Firewall | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN / IPv6 Compatible / Firewall / PoE | VPN, IPv6 Compatible, Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Form Factor | Rack-mount | Chassis | Rack-mount | Rack-mount | Rack-mount |
| Height | 2 inches | 4 inches | 4 inches | 2 inches | 4 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 / SFP+ | RJ-45 / SFP | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP / Combo Ports |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Modular Slots Available | 3+ Slots | 3+ Slots | 3+ Slots | 3+ Slots | 3+ Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4, IPv6 | IPv4, IPv6, MPLS | IPv4, IPv6, TCP/IP | IPv4, IPv6, MPLS |
| Power | 350W | 150 W | 150W | 250 Watt | 350 Watt |
| Power Source | AC Power Supply / DC Power Supply / Redundant | AC Power Supply | AC Power Supply / DC Power Supply / Redundant | Redundant | AC Power Supply / Redundant |
| Product Name | A900-IMA4OS Enterprise Router | A900-IMA16D Enterprise Modular Router | A900-IMA8T Enterprise Modular Router | A903-CABLE-GUIDE Integrated Network Appliance | A903-RSP1B-55 Enterprise Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SNMP, SSH, Telnet | SSH, SNMP, Telnet | SSH, HTTPS, SNMP | Telnet, SSH, SNMP | SSH, Telnet, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | Surge Protection, EMI Compliance | N/A | IEC60950, UL94 | UL, CE | UL Listed |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | Yes | Yes |
| Telecom | TIA/EIA-568 | N/A | TIA/EIA-568 | N/A | N/A |
| Throughput Capacity | 10 Gbps | 10 Gbps | 10Gbps | 10 Gbps | 10 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15 lbs | 25 lbs | 15 lbs | 15 lbs | 25 lbs |
| Wi-Fi Standard | WiFi 6 | N/A | N/A | WiFi 6 | N/A |
| Width | 19 inches | 18 inches | 17 inches | 17 inches | 17 inches |
| Wireless Support | No | No | No | Yes | No |
Versatile interface module. Switching between OC3 and OC12 is seamless, providing the flexibility we need for legacy transport integration on the ASR 900.
Excellent port density and reliability. This module has performed flawlessly, allowing us to maintain stable optical links in our aggregation network.
High-quality optical interface. It's been a reliable component for our legacy migration strategy. Easy to install and recognized immediately by the chassis.
Solid performance for SONET/SDH traffic. This A900 module provides the consistent throughput required for our high-speed optical backhaul. Very satisfied.
Dependable and robust. This module offers great flexibility for optical service delivery. It's a vital part of our ASR 900 hardware fleet.
The A900-IMA4OS is a Cisco ASR 900 series interface module providing four OC3/STM1 ports or one OC12/STM4 port for high-performance WAN connectivity.
It supports either four independent OC3/STM1 ports or a single OC12/STM4 port, selectable via onboard DIP switches.
The A900-IMA4OS is compatible with all Cisco ASR 900 series routers running IOS XR 5.1.1 or later.
No, the module operates in either four-port OC3/STM1 mode or one-port OC12/STM4 mode; both cannot run concurrently.