• Cisco HWIC-1DSU-T1 1-port T1 CSU/DSU HWIC for ISR routers
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Cisco

Cisco HWIC-1DSU-T1 | HWIC 1-Port T1 CSU/DSU WAN Interface Card, RJ-48C

HWIC-1DSU-T1

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Description

This 1-port T1 CSU/DSU high-speed WAN interface card provides a T1 or fractional T1 connection at up to 1.544 Mb/s (NxDS0) through an RJ-48C connector. The integrated CSU/DSU removes the need for an external unit, and the card supports ESF/SF framing, B8ZS/AMI line coding and PPP, HDLC and Frame Relay encapsulation. It is designed for Cisco ISR 1800, 2800 and 3800 series routers, making it suited to branch office WAN connectivity over leased T1 circuits.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Integrated CSU/DSU, no external DSU required
- Supports T1 and fractional T1 (NxDS0) circuits
- ESF or SF framing options
- B8ZS or AMI line coding
- PPP, HDLC and Frame Relay encapsulation
- High-speed WAN interface card form factor for ISR router slots

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

FAQs

Technical Specifications

- 1 x T1 port with integrated CSU/DSU
- RJ-48C connector
- Line rate: 1.544 Mb/s (NxDS0)
- Framing: ESF/SF
- Line coding: B8ZS/AMI
- Encapsulation: PPP, HDLC, Frame Relay
- Compatible with Cisco ISR 1800, 2800 and 3800 series routers

FAQs

Q: Which routers is this card designed for?
A: It is designed for Cisco ISR 1800, 2800 and 3800 series routers.

Q: Does it need an external CSU/DSU?
A: No. The CSU/DSU is integrated into the card, so it connects directly to a T1 circuit.

Q: What connector does it use?
A: It uses a single RJ-48C connector for the T1 line.

Q: Can it be used for fractional T1 services?
A: Yes. The card supports T1 and fractional T1 operation at up to 1.544 Mb/s (NxDS0).

Q: Which WAN encapsulation types are supported?
A: The card supports PPP, HDLC and Frame Relay encapsulation.

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