---
product_id: 184091269
title: "DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A"
brand: "suamdoen"
price: "₨476"
currency: SCR
in_stock: true
reviews_count: 3
url: https://www.desertcart.sc/products/184091269-db9-serial-rs232-to-rj12-6p6c-adapter-cable-for-apc
store_origin: SC
region: Seychelles
---

# 9600 bps high-speed data transfer DB9 to RJ12 6P6C connectivity Compatible with APC Rack PDUs & ATS DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A

**Brand:** suamdoen
**Price:** ₨476
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect like a pro — the backbone cable your APC setup deserves!

## Quick Answers

- **What is this?** DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A by suamdoen
- **How much does it cost?** ₨476 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/184091269-db9-serial-rs232-to-rj12-6p6c-adapter-cable-for-apc)

## Best For

- suamdoen enthusiasts

## Why This Product

- Trusted suamdoen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged & Lightweight:** Durable black cable weighing just 2.22 oz, built for demanding data center and industrial automation use.
- • **Compact 6-Foot Design:** Perfect cable length for neat, efficient server rack setups without clutter or signal loss.
- • **Seamless APC Integration:** Plug & play with APC PDU models AP78xx to AP89xx and 2G Rack ATS for flawless data communication.
- • **Universal RJ12 Compatibility:** Works with RJ11 plugs using middle 4 pins, offering flexible connection options in diverse environments.
- • **Optimized Serial Communication:** Supports 9600 bps, 8 data bits, no parity, 1 stop bit—engineered for reliable, lag-free control.

## Overview

The Suamdoen DB9 to RJ12 6P6C Serial Adapter Cable (model SM-103) is a precision-engineered 6-foot cable designed for seamless RS232 communication with APC Rack PDUs (AP78xx to AP89xx) and 2G Rack Automatic Transfer Switches. Supporting a stable 9600 bps data rate with standard serial port settings, it ensures reliable data transfer in critical server room and industrial automation environments. Lightweight yet durable, this cable offers flexible RJ12/RJ11 compatibility, making it an essential connectivity upgrade for professional-grade network infrastructure.

## Description

DB9 serial to RJ12 6P6C RS232 adapter for APC PDU cable 940-0144A APC Rack PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723) Compatible with APC part 940-0144A RJ11/​RJ12 to DB9. Compatible with Rack PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723). APC part 940-0144A APC pins 1 and 6 are usually not connected Set 9600 bps, 8 data bits, no parity, 1 stop bit, and no flow control to communicate. Apply the port settings to establish the connection. Press 3-5 times to display the username prompt. Use the default username and password of apc It is possible to use RJ11 plug that has only the middle 4 pins (2,3,4,5). connected APC pins 2,3, and 4 only and it workes perfect. Package: 1 x DB9 to RJ12 6P6C Serial Cable for APC PDU 940-0144A

## Features

- DB9 to RJ12/6P6C Serial Cable for APC PDU 940-0144A
- DB9 serial to RJ12 RS232 to RJ12 adapter for APC PDU cable 940-0144A
- APC Rack PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723)
- Set 9600 bps, 8 data bits, no parity, 1 stop bit, and no flow control to communicate.Apply the port settings to establish the connection. Press 3-5 times to display the username prompt. Use the default username and password of apc
- Lenth:6feet , Package: 1 x DB9 to RJ12 6P6C Serial Cable for APC PDU 940-0144A

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0836HX78K |
| Best Sellers Rank | #123 in Serial Cables |
| Brand | Suamdoen |
| Brand Name | Suamdoen |
| Cable Type | RJ12 |
| Color | Black |
| Compatible Devices | APC PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723) Compatible Devices APC PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723) See more |
| Connector Gender | Male-to-Female |
| Connector Type | Rj12 |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 out of 5 stars 59 Reviews |
| Data Transfer Rate | 9600 Megabits Per Second |
| Frequency | 9600 Hz |
| Global Trade Identification Number | 73862674661200 |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Item Shape | Round |
| Item Weight | 0.06 Kilograms |
| Manufacturer | Suamdoen |
| Model | SM-103 |
| Number of Items | 1 |
| Number of Pins | 4, 9 |
| Other Special Features of the Product | Data Transfer |
| Recommended Uses For Product | [IN] Industrial automation, data centers, server rooms, network infrastructure |
| Special Feature | Data Transfer |
| UPC | 738626746612 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Suamdoen
- **Connector Type:** Rj12
- **Cable Type:** RJ12
- **Compatible Devices:** APC PDU (AP78xx, AP79xx, AP86xx, AP88xx, AP89xx) and 2G Rack Automatic Transfer Switches (AP7752, AP7752, AP7730, AP7732, AP7721, AP7723)
- **Special Feature:** Data Transfer

## Images

![DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A - Image 1](https://m.media-amazon.com/images/I/61O5s8eCgxL.jpg)
![DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A - Image 2](https://m.media-amazon.com/images/I/61oS1dLgozL.jpg)
![DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A - Image 3](https://m.media-amazon.com/images/I/610-nOiHC5L.jpg)
![DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A - Image 4](https://m.media-amazon.com/images/I/71TvSpRAw+L.jpg)
![DB9 Serial RS232 to RJ12 6P6C Adapter Cable for APC PDU 940-0144A - Image 5](https://m.media-amazon.com/images/I/61vnU-GqG2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Pinout Worked for RS232
*by C***R on May 19, 2023*

This cable worked for my use case.Pins:DB9 (9 Pins) -> RJ12 (6 Pins)(NC - No connection)1 -> NC2 -> 4 (RS232 RX)3 -> 3 (RS232 TX)4 -> NC5 -> 2 (RS232 GND)6 -> NC7 -> NC8 -> NC9 -> NC

### ⭐⭐⭐⭐ Received wrong cable
*by T***E on June 4, 2023*

I have order the item RS232 to RJ12 and received the same but RJ11, it does not work for what I have ordered for. Seller has issued a refund after an explanation and I am happy with the service.

### ⭐ Does not work for APC PDU
*by J***S on May 12, 2021*

It’s doesn’t work as a substitute for APC PDU 940-0144AThis is false advertising

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-18*