Cisco NCS2006-DC40= DC Power Supply: Technica
Core Operational Role in Carrier-Grade Networks�...
A9XX-2IMA-CARRIER= Overview: Bridging Legacy and Modern Networks
The Cisco A9XX-2IMA-CARRIER= is a carrier module designed for Cisco ASR 9000 Series routers, enabling support for Inverse Multiplexing over ATM (IMA). This technology aggregates multiple T1/E1 lines into a single logical interface, providing cost-effective backward compatibility for telecom operators transitioning from legacy ATM-based infrastructure to IP/MPLS networks. The module slots into the ASR 9000 chassis, acting as a host for T3/E3 or T1/E1 interface cards and ensuring seamless integration of older telephony systems with modern routing platforms.
Key Technical Specifications
- Capacity: Supports 2 IMA groups, each combining up to 8 T1/E1 lines for aggregate bandwidth up to 12 Mbps (T1) or 16 Mbps (E1).
- Compatibility: Works with ASR 9901, ASR 9904, and ASR 9912 chassis running Cisco IOS XR 6.5.1 or later.
- Power Consumption: 85W max, with adaptive power scaling based on active ports.
- Redundancy: Hot-swappable design for minimal service disruption during replacements.
Addressing Core User Concerns
Q: Why deploy IMA in modern IP/MPLS networks?
Many telecom operators still rely on legacy ATM-based equipment (e.g., PBX systems, leased lines). The A9XX-2IMA-CARRIER= allows gradual migration by interfacing older TDM circuits with ASR 9000 routers, avoiding costly infrastructure overhauls.
Q: How does it differ from newer Ethernet-focused line cards?
Unlike Ethernet modules, this carrier prioritizes TDM-to-IP conversion, making it ideal for scenarios like cellular backhaul or rural broadband where copper lines remain prevalent.
Deployment Best Practices
- Slot Allocation: Install in vertical service modules (VSMs) to avoid blocking airflow to high-density line cards.
- Clock Synchronization: Use Building Integrated Timing Supply (BITS) or GPS timing to prevent clock drift across aggregated T1/E1 links.
- Monitoring: Leverage Cisco IOS XR’s Performance Manager to track IMA group latency and packet loss.
Where to Source the A9XX-2IMA-CARRIER=
For certified hardware and lifecycle support, visit the A9XX-2IMA-CARRIER= product page at itmall.sale. The platform offers pre-configured bundles with compatible interface cards and cables, streamlining deployments.
The Unseen Value of Legacy Support
During a recent carrier’s network modernization project, the A9XX-2IMA-CARRIER= proved critical in maintaining rural DSL services while core upgrades rolled out. Its ability to extend the lifespan of copper infrastructure saved the operator $2M in immediate fiber trenching costs. While IMA feels antiquated in an era of 400G, this module underscores a hard truth: not all networks evolve at the same pace. For providers balancing innovation with legacy obligations, it’s a tactical necessity—not a relic.