• Cisco CAB-HNUL HSSI null-modem crossover cable, beige D-sub with metal connectors
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Cisco

Cisco CAB-HNUL | HSSI Null Modem Cable, 10ft (3.05m), DTE-to-DTE

CAB-HNUL

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Description

This HSSI null modem crossover cable connects two Cisco routers directly back-to-back (DTE-to-DTE) through their HSSI interfaces, such as those on PA-H HSSI port adapters. It is suited to lab, test and back-to-back links where no CSU/DSU or other intermediate equipment is required. The cable is 10 feet (3.05 m) long and uses 50-pin HSSI connectors.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Connects two routers directly back-to-back without intermediate equipment
- Crossover wiring for DTE-to-DTE HSSI connections
- Compatible with Cisco HSSI port adapters such as the PA-H
- Suitable for platforms such as the Cisco 7200 series

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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Technical Specifications

FAQs

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Technical Specifications

- Type: HSSI (High-Speed Serial Interface) null modem / crossover cable
- Cable length: 10 feet (3.05 m)
- Connectors: 50-pin HSSI
- Connection: DTE-to-DTE back-to-back router link
- Maximum permitted null modem cable length: 50 feet (15.24 m)

FAQs

Q: What is the HSSI null modem cable used for?
A: It links two routers directly via their HSSI interfaces in a DTE-to-DTE configuration, which is useful for lab, test and back-to-back setups without a CSU/DSU.

Q: How long is this cable?
A: This cable is 10 feet (3.05 m). The maximum permitted length for an HSSI null modem cable is 50 feet (15.24 m).

Q: Which interfaces is it compatible with?
A: It is designed for Cisco HSSI interfaces, such as those on PA-H HSSI port adapters used in platforms like the Cisco 7200 series.

Q: Do I need a CSU/DSU with this cable?
A: No. The null modem crossover design allows two routers to connect directly back-to-back without a CSU/DSU or other intermediate equipment.

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