DECpos 320sx

This document is a comprehensive user guide for the DECpos 320sx point-of-sale (POS) system, designed for retail environments. It provides instructions on how to install, configure, operate, troubleshoot, and maintain the system.

The DECpos 320sx is a flexible, multi-component POS system powered by a 386sx processor, capable of operating standalone or within a network as both a client and server, supporting various operating systems like MS-DOS, OS/2, FLEX/OS, and SCO-UNIX. Key components include a system unit, QWERTY/POS keyboard, 2.5 station printer, cash drawer, system monitor, and customer display. Special features of the POS terminal include multiple serial ports for peripherals, cash drawer ports, a power supply for external devices, and a battery for short-term memory maintenance during power loss, enabling an orderly shutdown without losing transaction data.

The guide details installation procedures for all system components, emphasizing proper wiring for power, LAN, and telephone connections. Configuration instructions cover upgrading memory using SIMMs, and installing or replacing floppy and hard disk drives, as well as option cards like LAN or modem cards, including necessary BIOS setup. The operation section outlines basic hardware functions for the printer (ribbon/paper installation, testing), cash drawer (opening, locking, and emergency access), and terminal (power-on, login, ringing sales transactions, and log-off procedures), noting that retail application software primarily dictates daily use.

Troubleshooting information helps users identify and resolve common issues by checking connections, indicator lights, and referring to a detailed troubleshooting table before contacting service. Finally, the document provides guidelines for preventive maintenance, including cleaning, and instructions for preparing the DECpos system for shipment or storage, particularly regarding battery care to prevent damage during extended power disconnections. Appendices also provide detailed system specifications and keyboard layouts.