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Cisco

Cisco SPA-24CHT1-CE-ATM | 24x T1 (1.544 Mbps) CEoATM, DS0 channelized; AAL1; ESF/SF, B8ZS/AMI; SPA module

SKU:SPA-24CHT1-CE-ATM

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Description

High-density 24-port channelized T1 circuit-emulation module for consolidating legacy TDM services over ATM backbones. Supports DS0 grooming with flexible framing and line coding, enabling precise handoff of voice and data circuits on SPA-capable routers.

Features

- 24x T1 CEoATM on a single compact SPA
- DS0-level grooming for fine-grained service delivery
- Flexible framing (ESF/SF) and line coding (B8ZS/AMI)
- Carrier-class timing with line or internal clocking
- Designed for reuse across SPA-capable router platforms

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Ports: 24x T1 (DS1), 1.544 Mbps per port
- Channelization: DS0 (64 kbps) granularity with circuit grooming
- Circuit emulation: CES over ATM (AAL1)
- Framing: ESF or SF (D4)
- Line coding: B8ZS or AMI
- Timing options: line or internal (platform dependent)
- QoS: per-circuit shaping/marking (platform dependent)
- Form factor: Shared Port Adapter (SPA)
- Platform support: SPA Interface Processors (e.g., SIP-400/600; ASR1000 SIP-10/40)
- Use cases: TDM voice/data backhaul over ATM core

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