Cisco

Cisco CAB-OCTAL-MODEM | Octal modem breakout cable | HD68 host to 8x DB-25M | RS-232 async | labeled 1–8 leads

SKU:CAB-OCTAL-MODEM

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Description

Eight-lead RS-232 octal modem cable that fans out a single HD68 async host port to 8 DB-25 male connectors for external modems or serial DCE. Supports hardware flow control and is ideal for access/terminal server deployments where multiple modem lines are aggregated.

Features

- Single HD68 host to 8x DB-25 modem breakouts
- RS-232 async with full modem-control signaling
- Numbered leads simplify rack identification
- Rugged molded connectors with strain relief
- Ideal for terminal server and access server deployments
- Shielded construction helps reduce crosstalk

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 devices can this cable connect to?
A: Any async serial host that exposes an HD68 octal modem port and up to eight external RS-232 modems or DCE with DB-25 interfaces.

Q: Are the DB-25 ends DTE or DCE pinned?
A: They are DTE-pinned DB-25 male connectors intended to connect directly to modem/DCE equipment.

Q: Does it support hardware flow control?
A: Yes, control signals such as RTS/CTS, DSR/DTR, and DCD are carried.

Q: How is this different from an octal RJ-45 async cable?
A: This version ends in DB-25 male connectors for modems, whereas RJ-45 async octal cables terminate in 8x RJ-45 for serial adapters or console ports.

Technical Specifications

- Host connector: HD-68 (SCSI-2 style) male with jack screws
- Breakout connectors: 8x DB-25 male (numbered 1–8)
- Signaling: RS-232 asynchronous with hardware flow control (RTS/CTS, DSR/DTR, DCD)
- Application: connect async serial host ports to external modems/DCE
- Cable construction: shielded multi-pair with molded strain relief
- Lead identification: printed/numbered tags on each DB-25
- Standards: EIA/TIA-232 compliant

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