Epson

Epson EPSON-003G DB9 to DB25 Serial Cable 10ft

Name: Epson EPSON-003G DB9 to DB25 Serial Cable 10ft
Brand: Epson
SKU: EPSON-003G

★★★★★5.0 (1 reviews)

Epson 10-foot null modem serial cable connects DB-9 to DB-25 devices for dependable legacy communication.

$18.72*

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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The Epson EPSON-003G is a 10-foot null modem serial cable designed for direct device-to-device communication over legacy serial interfaces. With a DB-9 female connector on one end and a DB-25 male connector on the other, it bridges two of the most common serial port standards, making it useful for connecting older printers, receipt printers, industrial controllers, and other serial peripherals that rely on different connector sizes.

The null modem wiring configuration crosses the transmit and receive lines internally, eliminating the need for an intermediary modem and enabling two DTE (Data Terminal Equipment) devices to talk directly. At 10 feet, the cable provides enough reach for typical desktop or point-of-sale environments. While serial communication has been largely supplanted by USB and Ethernet in modern hardware, this cable remains essential for maintaining and operating legacy equipment that depends on reliable RS-232 connectivity.

Key Features

Null Modem serial

Db-9 Female to db-25 Male

10' Length

Specifications

Type

Null Modem Serial Cable

Connector 1

DB-9 Female

Connector 2

DB-25 Male

Length

10 feet

Color

Dark Gray

Brand

Epson

Model

EPSON-003G

Pros & Cons

👍 Pros

10-foot length provides flexibility in device placement without requiring an extension
Null modem wiring enables direct device-to-device serial communication
DB-9 to DB-25 configuration bridges two common legacy serial port standards
Manufactured by Epson to match their peripheral quality and compatibility standards

👎 Cons

Serial connectivity is largely replaced by USB in modern equipment
Only useful for null modem applications — not a straight-through serial cable
10-foot fixed length may be too long or too short depending on the setup
DB-25 connector is bulky compared to more modern interface standards

Frequently Asked Questions

What connector types does this cable use?

The cable features a DB-9 female connector on one end and a DB-25 male connector on the other, enabling connection between devices with different serial port sizes.

What does "null modem" mean for this cable?

A null modem configuration crosses the transmit and receive lines, allowing two devices to communicate directly without a modem in between — commonly used for direct device-to-device serial connections.

How long is the Epson EPSON-003G cable?

The cable is 10 feet (approximately 3 meters) long, providing adequate reach for most desktop and peripheral setups.

Is this cable compatible with non-Epson equipment?

Yes, as a standard null modem serial cable with DB-9 and DB-25 connectors, it can be used with any equipment that uses these standard serial port interfaces.