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Cisco

Cisco NIM-4BRI-S/T | 4x ISDN BRI S/T | Voice/Data router NIM | ISDN BRI (2B+D) S/T interface

SKU:NIM-4BRI-S/T

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Description

Add four ISDN BRI S/T ports to supported ISR routers for branch voice or data connectivity. Ideal for ISDN backup links or PBX interconnect where an external NT1 is used.

Features

- Four BRI S/T ports in one NIM for dense ISDN deployment
- Standards-based ISDN BRI (2B+D) for interoperability
- Flexible use for voice gateway or data backup
- Seamless integration with ISR 4000 routers
- Field-proven reliability for branch deployments

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: Is this S/T or U interface?
A: It is S/T. An external NT1 is required if connecting to the ISDN network.

Q: Which routers support this module?
A: Routers with NIM slots in the ISR 4000 family (e.g., 4321–4461) support it; verify platform and IOS XE version.

Q: Can it be used for both voice and data?
A: Yes. It supports voice gateway use cases as well as data links depending on configuration.

Q: Does it require additional licenses?
A: No port licenses are required for the hardware itself; feature availability depends on IOS XE features.

Q: What connectors are used?
A: Standard S/T ISDN presentation via 8P8C (RJ-45) style jacks.

Technical Specifications

- Ports: 4x ISDN BRI S/T
- Interface: S/T (requires external NT1; not U interface)
- ISDN format: BRI (2B+D)
- Use cases: voice gateway, dial backup, PBX interconnect
- Module type: Network Interface Module (NIM)
- Router compatibility: ISR 4000 Series with NIM slots (e.g., 43xx/44xx)
- Clocking/signaling: ISDN BRI S/T

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