PAX A920 User manual

A920 REFERENCE GUIDE
A920 Reference Guide
Date: 12-12-2019
Version: 1.0

A920 REFERENCE GUIDE
v1.0 | i
Preface
A920 Reference Guide
Version: 12-12-2019 v1.0
Copyright © 2019 PAX Technology, Inc. All rights reserved.
The Programs (which include both the software and documentation) contain proprietary information; they
are provided under a license agreement containing restrictions on use and disclosure and are also
protected by copyright, patent, and other intellectual and industrial property laws. Reverse engineering,
disassembly, or decompile of the Programs, except to the extent required to obtain interoperability with
other independently created software or as specified by law, is prohibited.
This document is provided for informational purposes only. All features and specifications are subject to
change without notice. If there are any problems in the documentation, please report them to Pax in
writing. This document is not warranted to be error-free. Except as may be expressly permitted in the
license agreement for these Programs, no part of these Programs may be reproduced or transmitted in
any form or by any means, electronic or mechanical, for any purpose.
Security Notice: No part of this publication may be copied, distributed, stored in a retrieval system,
translated into any human or computer language, transmitted, in any form or by any means, without the
prior written consent of PAX Technology, Inc.
PAX is a registered trademark of PAX Technology Limited in China and/or other countries. All other
trademarks or brand names are the properties of their respective holders.
Technical Support
If there is a problem while installing, registering or operating this product, please make sure to review
the documentation. If unable to resolve the issue, please contact Pax.
PAX support operates 24 hours a day, 7 days a week. The level of access to this Service is by the support
plan arrangements made between PAX and the Organization. Please consult this support plan for further
information about entitlements, including the hours when telephone support is available.
Technical Support Contact Information:
Phone: [phone]
Email: [email protected]
URL: www.pax.us

A920 REFERENCE GUIDE
v1.0 | ii
Revision History
Date
Version
Description
12/12/19
v1.00
Initial Release

A920 REFERENCE GUIDE
v1.0 | iii
Table of Contents
PREFACE ............................................................................................................................................ I
REVISION HISTORY............................................................................................................................ II
1. INTRODUCTION ..........................................................................................................................1
1.1 PURPOSE ............................................................................................................................................. 1
1.2 INTENDED AUDIENCE.......................................................................................................................... 1
1.3 ACRONYMS AND TERMS ..................................................................................................................... 2
2. PACKAGING ...................................................................................................................................3
2.1 A920 OVERPACK CARTON ................................................................................................................... 3
2.2 A920 TERMINAL BOX........................................................................................................................... 3
2.3 A920 PROTECTIVE CARDBOARD INSERTS ........................................................................................... 4
2.4 A920 BOX CONTENTS.......................................................................................................................... 4
3 PRODUCT DESCRIPTION...................................................................................................................5
3.1 A920 PART NUMBER INFORMATION .................................................................................................. 5
3.2 SERIAL NUMBER LOCATION ON TERMINAL ........................................................................................ 6
4.0 A920 FUNCTIONAL INFORMATION ..............................................................................................7
4.1 TECHNICAL DETAILS AND SPECS ......................................................................................................... 7
4.2 A920 TERMINAL VIEW FROM ALL SIDES ........................................................................................... 8
4.2.1 A920 COMPONENTS, INTERFACE, AND PORTS (BACK) .................................................................... 8
4.2.2 A920 COMPONENTS, INTERFACE, AND PORTS (FRONT)........................................................... 9
5TERMINAL LOCATION ...............................................................................................................10
6AC POWER CONNECTION ..........................................................................................................11
7TERMINAL PORTS .....................................................................................................................12
8BATTERY INFORMATION...........................................................................................................13
8.1 BATTERY SPECIFICATIONS...........................................................................................................13
8.2 CHARGING BATTERY ................................................................................................................... 13
8.3 REMOVE AND INSTALL BATTERY.................................................................................................14
9. INSTALL A920 SIM, SAM, AND MICRO SD CARD .........................................................................16
9.1 SIM, SAM & MICRO SD CARD INSTALLATION ............................................................................. 16
10. CARD READERS .....................................................................................................................18
10.1 MAGNETIC STRIP READER...........................................................................................................18
10.2 EMV CARD READER ..................................................................................................................... 18

A920 REFERENCE GUIDE
v1.0 | v
10.3 PFC/CONTACTLESS CARD READER .............................................................................................. 19
11. BASIC OPERATION INSTRUCTIONS .........................................................................................20
11.1 POWER ON.................................................................................................................................. 20
11.2 POWER OFF TERMINAL ...............................................................................................................20
11.3 ADJUST THE DISPLAY BRIGHTNESS...............................................................................................21
11.4 ADJUST THE VOLUME................................................................................................................... 22
11.5 TAKE A SCREENSHOT....................................................................................................................... 23
11.6 CLEANING THE DEVICE................................................................................................................ 23
11.7 REPLACE PAPER ROLL..................................................................................................................24
12. SETTING UP COMMUNICATIONS ...........................................................................................27
12.1 WI-FI CONNECTION..................................................................................................................... 27
12.2 DHCP WI-FI CONNECTION........................................................................................................... 28
12.3 STATIC IP ..................................................................................................................................... 30
12.4 MANUAL STATIC IP...................................................................................................................... 33
12.5 PROXY SETUP .............................................................................................................................. 37
12.6 CELLULAR 4G COMMUNICATION................................................................................................ 43
13 L920 MULTI-FUNCTIONAL & CHARGING A920 BASE ...................................................................48
13.1 PACKAGING .................................................................................................................................49
13.1.1 L920 OVERPACK CARTONS......................................................................................................49
13.1.2 MULTI-FUNCTIONAL BASE BOX............................................................................................... 50
13.2 BOX CONTENTS ........................................................................................................................... 51
13.3 L920 PART NUMBER AND PART NUMBER DESCRIPTION............................................................52
13.4 L920-BC & L920-BM SERIAL NUMBER LOCATION AND FORMAT ............................................... 52
13.5 L920-BM PART NUMBER, HARDWARE, OS AND BOOT VERSION ...............................................53
13.6 L920-BM MULTIPLE PORT STICKER ............................................................................................. 53
13.7 L920-BC MULTI-PORTS................................................................................................................53
13.8 L920 DIMENSIONS....................................................................................................................... 54
13.9 L920 PRODUCT DESCRIPTION .....................................................................................................54
13.10 L920-BC BOTTOM VIEW .......................................................................................................... 54
13.11 L920-BM BOTTOM VIEW......................................................................................................... 54
14. FREQUENTLY ASKED QUESTIONS...............................................................................................55
1. WHAT IS THE OPERATING SYSTEM OF A920? ................................................................................... 55

A920 REFERENCE GUIDE
v1.0 | vi
2. THERE’S NO PHYSICAL KEYPAD; HOW CAN I MEET ADA COMPLIANCE? ..........................................55
3. POWER CONSUMPTION OF A920?....................................................................................................55
4. WHAT’S THE A920 SCREEN BRIGHTNESS? ........................................................................................ 55
5. DOES A920 SUPPORT DUAL BAND WI-FI?.........................................................................................55
6. HOW MANY SAM SLOTS DOES A920 HAVE?.....................................................................................55
7. HOW MANY SIM SLOT DOES A920 HAVE? ........................................................................................ 55
8. HOW TO TURN ON/OFF THE SCREEN SAVER?.................................................................................. 56
9. HOW TO SET THE SCREEN SLEEP TIME? ...........................................................................................56
10. WHAT IS THE RESET BUTTON?..........................................................................................................57
11. WHAT SHOULD I DO IF THE TOUCHSCREEN IS UNRESPONSIVE OR LAGS?....................................... 57
12. WHAT SHOULD I DO IF THE CAMERA IS NOT READING BARCODES?................................................57
PAX CUSTOMER SUPPORT................................................................................................................58

A920 REFERENCE GUIDE
v1.0 | 1
1. Introduction
The A920 is an all-in-one Android payment terminal with compact design that has a 5-inch IPS color
touchscreen with high anti-glare; the A920 combines the full features of an Android tablet in a powerful
payment terminal. The A920 delivers an integrated camera, hi-speed thermal printer and high capacity
battery to meet the daily demands across all dynamic Retail or Hospitality environments. A920 offers
complete communications including LAN, Wi-Fi, Bluetooth, and 4G Cellular that meet all your
customer’s needs in one place.
1.1 Purpose
This reference guide provides information about:
•Product Information
•Product Features
•Wireless connectivity
•Answers to frequently asked questions
1.2 Intended Audience
This guide is intended for use by:
•Software engineers who develop and maintain the payment application designs for the US
Payment card industry.
•Sales Executives and Sales Support who sell and support the device.
•Independent Sales Organizations who sell terminals and conduct end-user terminal training.

A920 REFERENCE GUIDE
v1.0 | 2
1.3 Acronyms and Terms
Name Description
DHCP
Dynamic Host Configuration Protocol - A network management protocol
used on IP networks. The DHCP server dynamically assigns an IP address
and other network configuration parameters to each device on the
network.
Micro SD
Removable flash memory card used to store information.
Smart Card
Chip card or integrated circuit card (ICC) that has a chip, is contactless, or both.
NFC
Near Field Communication - A form of contactless communication between
devices.
POS
Point of Sale or Point of Service
SIM Card
Subscriber Identity Module Card – A smart card that stores data GSM cellular
network subscribers.
SAM
A Secure Access Module (or Secure Application Module) is based on SmartCard
Integrated circuits and is used to enhance the security and cryptography
performance in devices, commonly in devices needing to perform secure
transactions, such as payment terminals. It can be used for cryptographic
computation and secure authentication against smart cards or contactless EMV
cards.
Smart Card
Chip card or integrated circuit card (ICC) that has a chip, is contactless, or both.
SSID
Service Set Identifier - The name for a Wi-Fi or WLAN network. Mobile devices
look for all networks in range when they attempt to connect to local Wi-Fi.
WAN
Wide Area Network - Cellular phone data networks run on a WAN. It covers a
broad area and many devices in that area.
Wi-Fi
A trademarked term used to describe the wireless networking technology that
allows computers and other devices to communicate over a wireless signal.
Based on IEEE802.11 standards.
LAN
Local Area Network

A920 REFERENCE GUIDE
v1.0 | 3
2. Packaging
This section covers the A920 packaging information.
2.1 A920 Overpack Carton
Twenty (20) A920 terminal boxes are shipped inside an A920 overpack carton. The dimensions of the
overpack carton are 16 in. x 14 in. x 11 in. (41cm x 36cm x 28cm). A packaged overpack carton weighs 32
lbs. (14.5 kgs).
2.2 A920 Terminal Box
The A920 box dimensions and shipping information:
•A920 box dimensions L x W x H = 6.92” x 3.07” x 2.24”
•A920 box weight = 3 oz

A920 REFERENCE GUIDE
v1.0 | 4
2.3 A920 Protective Cardboard Inserts
Cardboard inserts inside the terminal box protect the A920 during shipping. In addition, the terminal is
enclosed in a plastic wrapper.
2.4 A920 Box Contents
The A920 terminal box includes:
• 1 – A920 Terminal
• 1 – USB Charging Hub
• 1 – USB Type A to USB Type C Power Cable
• 1 – Installation Manual
• 1 – Quick Setup Guide
• 1 – Thermal Paper Roll
See the A920 Ordering Guide for detailed information on available accessories, including part numbers.
Installation
Manual
USB Charging
Cable
USB
Charging
Hub
Quick Setup
Guide
Thermal
Paper Roll
A920
Terminal
A920
Battery