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HPE

HPE JF842A | 2x E1 fractional WAN SIC, framed/unframed (G.704), n×64 kbps, RJ-48C 120Ω, line/internal clock, PPP/HDLC, for MSR routers

SKU:JF842A

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Description

Dual-port fractional E1 Smart Interface Card enabling channelized E1 WAN links on compatible MSR routers. Supports framed (CRC4) and unframed operation with flexible n×64 kbps timeslot selection for data and TDM service scenarios. Standards-based implementation (G.703/G.704) with line or internal clocking, link monitoring, and common encapsulations for branch and edge deployments.

Features

- Dual E1 ports for resilient or aggregated WAN access
- Flexible n×64 kbps timeslot selection to right-size bandwidth
- Standards-based E1 implementation for broad interoperability
- Selectable line or internal clocking for synchronization options
- Compact SIC form factor to maximize MSR slot utilization

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: What does fractional E1 mean?
A: Fractional E1 allows selecting a subset of 64 kbps timeslots (n×64 kbps) on an E1 to match required bandwidth instead of using the full 2.048 Mbps.

Q: Which routers support this SIC?
A: It is designed for MSR Series routers that accept SIC cards. Check your specific MSR model’s hardware compatibility list.

Q: Does it support framed and unframed E1?
A: Yes, it supports framed (G.704 with CRC4) and unframed E1 operation.

Q: What cabling is required?
A: Use 120Ω balanced E1 cabling terminated on RJ-48C connectors.

Q: Is voice signaling (CAS/CCS) supported?
A: Support may be platform and software dependent. Confirm with the router OS feature matrix.

Technical Specifications

- Ports: 2x E1 (2.048 Mbps each), fractional n×64 kbps
- Interface: Balanced 120Ω, RJ-48C
- Standards: ITU-T G.703, G.704 (framed/unframed), CRC4
- Encapsulation: PPP, HDLC; supports MLPPP (platform/OS dependent)
- Clocking: Line-recovered or internal
- Timing/Framing: CAS/CCS (platform dependent), CRC4
- Use case: WAN access, branch connectivity, TDM to packet edge
- Form factor: SIC (Smart Interface Card) for MSR routers
- Compatibility: Selected MSR Series chassis (check platform release notes)
- Cabling: Shielded twisted pair for E1 (120Ω) via RJ-48C

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