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Cisco

Cisco HWIC-1CE1T1-PRI | 1x T1/E1 Channelized + ISDN PRI HWIC | RJ-48C | CSU/DSU | T1: 1.544M ESF/SF B8ZS/AMI | E1: 2.048M G.704 HDB3 | NxDS0 (1–24/31)

SKU:HWIC-1CE1T1-PRI

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Description

Add carrier-grade T1/E1 connectivity to your router with a single-port channelized interface supporting ISDN PRI and data. Select T1 or E1 per port, use integrated CSU/DSU for line build-out and clocking, and terminate voice PRI trunks or fractional data (NxDS0). Standards-based framing and coding ensure seamless interop with service providers and PBX gear via RJ-48C copper. Ideal for branch voice gateways, PBX PRI handoff, and WAN access over T1/E1.

Features

- Single-port T1/E1 with full channelization for data and voice
- ISDN PRI support for carrier-grade voice trunking
- Integrated CSU/DSU simplifies deployment and reduces external gear
- Flexible framing/coding for broad service-provider compatibility
- RJ-48C copper interface for easy telco handoff

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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FAQs

Technical Specifications

FAQs

Q: Can the port be configured as either T1 or E1?
A: Yes. The single port is software-selectable for T1 or E1 operation.

Q: Does this module support ISDN PRI for PBX or PSTN trunking?
A: Yes. It supports ISDN PRI on both T1 and E1, in addition to channelized data.

Q: Is a separate CSU/DSU required?
A: No. An integrated CSU/DSU provides line build-out and clocking.

Q: What cabling is required?
A: Use RJ-48C twisted pair cabling: 100Ω for T1 and 120Ω for E1. 75Ω E1 requires an external balun.

Q: Does it need a special license?
A: No additional license is required on the module; features are enabled by the router’s IOS image.

Technical Specifications

- Ports: 1 x T1/E1, channelized
- ISDN PRI: Supported (T1/E1)
- Per-port mode: Selectable T1 or E1
- Line rate: T1 1.544 Mbps; E1 2.048 Mbps
- Timeslots: T1 1–24; E1 1–31; Nx56/Nx64 kbps
- Framing: T1 ESF or SF (D4); E1 G.704 (CRC4/non-CRC)
- Line coding: T1 AMI or B8ZS; E1 HDB3
- Connector: RJ-48C; 100Ω (T1) / 120Ω (E1) twisted pair; 75Ω E1 via external balun
- Integrated CSU/DSU with selectable line build-out and clock source (line/internal)
- Typical applications: Voice PRI trunking, fractional T1/E1 data, WAN access
- Management/alarms: LOS/LOF/AIS/RAI indicators (router IOS dependent)
- Form factor: HWIC (requires router with available HWIC slot)

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