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Cisco

Cisco HWIC-1DSU-T1 | 1-port T1 CSU/DSU HWIC | RJ-48C | 1.544 Mb/s (NxDS0) | ESF/SF, B8ZS/AMI | PPP/HDLC/Frame Relay | ISR 1800/2800/3800

SKU:HWIC-1DSU-T1

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Description

Provide carrier-grade T1 WAN connectivity with an integrated CSU/DSU, eliminating external CPE. Supports fractional or full T1 with standard framing/line coding options, plus PPP, HDLC, and Frame Relay encapsulations. IOS-driven diagnostics include loopbacks and alarms for rapid troubleshooting.

Features

- Integrated CSU/DSU reduces external equipment
- Supports full or fractional T1 services
- Standards-based framing and line coding for broad carrier compatibility
- Rich IOS diagnostics for fast troubleshooting
- Ideal for enterprise branch WAN access

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

- Form factor: HWIC (High-Speed WAN Interface Card)
- Interface: 1x T1 (DS1) with integrated CSU/DSU
- Connector: RJ-48C
- Line rate: 1.544 Mb/s; fractional NxDS0 support up to full T1
- Framing: ESF or SF (D4)
- Line coding: B8ZS or AMI
- Encapsulations: PPP, HDLC, Frame Relay (IOS-dependent)
- Diagnostics: Local/remote loopback, line monitoring, performance reporting, alarms
- Clocking: Line, internal, or network (provider-dependent)
- Cabling: RJ-48C to telco smart jack
- Compatibility: Cisco ISR 1800/2800/3800 HWIC slots

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