Cisco

Cisco CAB-HNUL | HSSI null‑modem crossover cable | DTE-to-DTE | 50‑pin

SKU:CAB-HNUL

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Description

High-speed serial null-modem cable for interconnecting HSSI DTE devices without a DCE/CSU-DSU. Implements crossover wiring for lab, staging, or direct router-to-router connections.

Features

- Purpose-built HSSI null-modem crossover
- Enables direct DTE-to-DTE connectivity
- Ideal for labs and staging environments

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 is this cable used for?
A: To connect two HSSI DTE devices directly using crossover (null-modem) wiring.

Q: Can I use it to connect a DTE to a DCE?
A: No. For DTE-to-DCE connections, use a straight-through HSSI cable.

Q: Is the pinout standard?
A: Yes. It follows HSSI null-modem crossover conventions for DTE-to-DTE links.

Technical Specifications

- Interface: HSSI (High-Speed Serial Interface)
- Wiring: Null-modem (crossover) for DTE-to-DTE connections
- Connector type: 50-pin HSSI connectors
- Use case: Direct interconnect between HSSI-equipped routers or serial adapters
- Eliminates need for an external DCE for loopback/lab scenarios

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