Cisco

Cisco 12E3-SMB | 12x E3 (34.368 Mb/s) 75Ω BNC; ECC memory; 7300 line card

Cisco 12E3-SMB | 12x E3 (34.368 Mb/s) 75Ω BNC; ECC memory; 7300 line card

SKU:12E3-SMB

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Description

High-density 12-port E3 line card for 7300-series routers, ideal for carrier and enterprise E3 aggregation. ECC-protected buffers help ensure robust performance in demanding environments.

Features

- Ultra-dense 12-port E3 aggregation on a single card
- ECC-protected buffers for enhanced reliability
- Standards-compliant E3 framing and OAM
- Flexible clocking with line/internal options
- Designed for carrier-grade deployments and backhaul

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: 12x E3
- Line rate: 34.368 Mb/s per port
- Interface: 75Ω BNC coax (Tx/Rx pair per port)
- Framing: ITU-T G.751/G.832
- Line coding: HDB3
- Clocking: line or internal
- Alarms/PM: LOS, AIS, RDI; per-port statistics
- Memory: ECC-protected packet buffers
- Platform compatibility: Cisco 7300 Series (SMB line-card slot)
- Use case: high-density E3 aggregation and backhaul

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