--- product_id: 111083923 title: "CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female" brand: "cablemax" price: "324.89 DT" currency: TND in_stock: true reviews_count: 5 url: https://www.desertcart.tn/products/111083923-cablemax-rs-232-led-link-tester-db-9-male-to store_origin: TN region: Tunisia --- # CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female **Brand:** cablemax **Price:** 324.89 DT **Availability:** ✅ In Stock ## Quick Answers - **What is this?** CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female by cablemax - **How much does it cost?** 324.89 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/111083923-cablemax-rs-232-led-link-tester-db-9-male-to) ## Best For - cablemax enthusiasts ## Why This Product - Trusted cablemax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Introduction: The DB9 Tester is the easiest way for you to test the connection on any male or female 9 Pin Serial connections. This adapter allows you to monitor the status of your connections by marking them with LEDS, which flash when there is activity on the pins. This device is easy to install, it features a Plug Play Easy test RS 232 Host to Device link. Pin Assignments: DB 9 / DB25 Pin assignment Pin1 / Pin8 : DCD Pin2 / Pin3 : RXD Pin3 / Pin2 : TXD > OUT Pin4 / Pin20 : DTR > OUT Pin5 / Pin7 : GND Pin6 / Pin6 : DSR Pin7 / Pin4 : RTS > OUT Pin8 / Pin5 : CTS Pin9 / Pin22 : RI Additional Features Specifications: RS 232 DTE connecter : DB9 M RS 232 DCE connecter : DB9 F Data rate : Up to 200 K bps With GND Shell Test's LED Single / TTL out 1 LED appear Green (V ) Single / TTL out 0 LED appear Red (V+) Housing : Plastic Weight : 55g Dimensions (L W H) : 45 35 21 ( mm ) body OS Support: Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 Linux and Mac OS 10.X ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | CABLEMAX | | Item Height | 0.82 Inches | | Item Width | 1.38 Inches | | Product Dimensions | 4.5 x 3.51 x 2.08 cm; 28.35 g | | Item model number | DB9-TERS | | Are Batteries Included | No | | Country of Origin | USA | | Item Weight | 28.3 g | ## Product Details - **Compatible Devices:** Charging Adapter - **Connector Type:** USB Type C - **Item dimensions L x W x H:** 45 x 35 x 21 Millimeters - **Brand:** CABLEMAX - **Finish Type:** Matte ## Images ![CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female - Image 1](https://m.media-amazon.com/images/I/61FCttfCyxL.jpg) ![CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female - Image 2](https://m.media-amazon.com/images/I/71qBl9BQr9L.jpg) ![CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female - Image 3](https://m.media-amazon.com/images/I/71kEwKLTADL.jpg) ![CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female - Image 4](https://m.media-amazon.com/images/I/81iatgVq5SL.jpg) ![CableMax? RS-232 LED link Tester DB-9 Male to DB-9 Female - Image 5](https://m.media-amazon.com/images/I/811Bye3Z+GL.jpg) ## Questions & Answers **Q: How the indicator led tell you is ok or not** A: Please use the following link, it has all the information on the operation, single page easy reference and description of the lamps and how the display of lit, not lit, and color of the LED is interpreted.http://serialstuff.amazonwebstore.com/CableMax-RS232-LED-link-Tester-DB9/M/B004OT995U.htm **Q: Are there simply LEDs connected to the lines, or does it have one shot circuitry to make the LEDs stay on for a bit even with a short pulse?** A: There is no one-shot dwell circuit, but the LEDs are two-color so you can see signal levels even when they're asserted false/space. **Q: Will this device show if the PC serial port is working properly, or does it have to be plugged in between the pc and a device, such as a printer?** A: it needs to be plugged in between the pc and a device. it will indicate comunication between the two on each of the pins of the rs-232. **Q: Is it possible to test db25 connections with this device? Maybe with an adapter,?** A: Yes, you will need a DB25 Male to DB9 female adapter. If you want to test online then you would also need a DB9 Male to a DB25 female adapter. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente calidad *by G***O on Reviewed in Mexico on 21 October 2018* Excelente calidad. Rojo para bajo voltaje y verde para alto voltaje. ### ⭐⭐⭐⭐⭐ Buen probador *by J***M on Reviewed in Mexico on 23 September 2019* Te brinda el estatus de cada señal ### ⭐⭐⭐⭐⭐ Five Stars *by P***. on Reviewed in Canada on 22 October 2015* Seems to be ok. Not use the tester yet ## Frequently Bought Together - CABLEMAX RS-232 LED Link Tester DB-9 Male to DB-9 Female - RS232 Breakout Tester LED Monitor, DB9 Male to Female Breakout Module - DB9 null modem male to female slimline data transfer serial port adapter 2 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/111083923-cablemax-rs-232-led-link-tester-db-9-male-to](https://www.desertcart.tn/products/111083923-cablemax-rs-232-led-link-tester-db-9-male-to) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-02*