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HPE

HPE JD571A | 1-port ISDN BRI S/T SIC | 2B+D 144 kb/s | RJ-45 | ITU-T I.430 | Dial/backup for MSR

SKU:JD571A

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Description

Single-port ISDN BRI S/T Smart Interface Card for MSR routers, providing a 2B+D (2×64 kb/s + 16 kb/s D) interface over an 8P8C (RJ-45) S/T presentation. Ideal for primary BRI links, dial-on-demand, or backup connectivity. Requires an external NT1 for S/T environments.

Features

- Standards-compliant ISDN BRI S/T interface
- Reliable dial/backup or primary access for branch sites
- Compact 1-port SIC for MSR platforms
- Interoperable with regional switch types (e.g., ETSI/NI-1)
- Supports PPP/MLPPP over B-channels

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: Does this module include an NT1?
A: No. As an S/T interface, it requires an external NT1 for line termination.

Q: What is the total bandwidth of BRI?
A: BRI provides two 64 kb/s B channels plus a 16 kb/s D channel (2B+D).

Q: Can it be used for dial backup?
A: Yes, it supports dial-on-demand or backup scenarios using one or both B channels.

Q: Which connector is used?
A: An 8P8C (RJ-45) jack presents the BRI S/T interface.

Technical Specifications

- Interface: ISDN BRI S/T (4-wire), ITU-T I.430 Layer 1
- Bearer capacity: 2B+D (144 kb/s total)
- Connector: 8P8C (RJ-45) S/T
- Switch types: ETSI DSS1, NI-1 (as supported by software/region)
- Use cases: Primary BRI access, dial-on-demand/backup
- NT1: External NT1 required for S/T deployment
- Platform: MSR routers with SIC slots
- Encapsulations: PPP/MLPPP for B-channels (per router OS features)

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