Cisco

Cisco CAB-9AS-FDTE | DB‑9 female DTE serial adapter, RS‑232, console/async use

SKU:CAB-9AS-FDTE

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Description

DB‑9 female DTE adapter for RS‑232 serial connectivity, suitable for console/async connections and interoperation with equipment expecting DTE pinout. Ideal for linking serial ports on routers, switches, and terminal servers to compatible cables or converters.

Features

- Standard DB‑9 female DTE pinout for broad compatibility
- Ideal for console and async serial connections
- Passive design—no external power required
- Durable D‑sub form factor for reliable terminations

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 the difference between DTE and DCE?
A: DTE devices (e.g., terminals, PCs) transmit on pin 2 and receive on pin 3 in RS‑232, while DCE devices reverse those roles. Match DTE to DCE or use null‑modem wiring when connecting two DTEs.

Q: Can I use this with a USB‑to‑serial adapter?
A: Yes, if the USB‑to‑serial adapter provides a DB‑9 interface and your application expects DTE pinout.

Q: Is this an active converter?
A: No. It is a passive RS‑232 adapter with no active signal conversion.

Technical Specifications

- Connector: DB‑9 female (D‑sub 9‑pin)
- Pinout role: DTE
- Interface: EIA/TIA‑232 (RS‑232)
- Application: Console/async serial connectivity
- Compatibility: Works with serial console and async module ports that expect DTE

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