PAX S920 User manual

S920 Reference Guide
V1.0
3-6-2020

v1.0 | i
S920 Reference Guide
Preface
S920 Reference Guide
Copyright © 2020 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: [e-mail]
URL: www.pax.us

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S920 Reference Guide
Revision History
Date Version Description
3-6-2020 V1.0 Initial Release

v1.0 | iii
S920 Reference Guide
Table of Contents
Preface .............................................................................................................................. i
Technical Support ...................................................................................................................................................... i
Technical Support Contact Information .............................................................................................................. i
Revision History ............................................................................................................... ii
Purpose ................................................................................................................................................1
Intended Audience .............................................................................................................................1
Acronyms and Terms .........................................................................................................................2
Packaging .........................................................................................................................3
Overpack Carton .................................................................................................................................3
Box Dimensions ..................................................................................................................................3
Cardboard Inserts ...............................................................................................................................4
Box Contents .......................................................................................................................................5
Part Number, Serial Number, and IMEI Info ......................................................................6
PN Package Info ..................................................................................................................................6
Terminal SN Location .........................................................................................................................6
IMEI Number Location .......................................................................................................................7
Functional Information ....................................................................................................7
Technical Details and Specifications ...............................................................................................7
Front View ............................................................................................................................................8
Back View .............................................................................................................................................8
Side Views ............................................................................................................................................9
AC Power Connection .......................................................................................................9
Terminal Location ..........................................................................................................10
Basic Operation Instructions .......................................................................................... 10
Power ON/Power OFF ......................................................................................................................10
Replace Paper Roll ............................................................................................................................10
Cleaning the Device .........................................................................................................................12
Battery Info .................................................................................................................... 12
Battery Power Indicator ...................................................................................................................12
Charging ............................................................................................................................................12
Remove and Install Battery .............................................................................................................12
SIM, SAM, and/or Micro SD Card Installation ..................................................................14
Card Readers ..................................................................................................................18
Magnetic Stripe Reader ...................................................................................................................18
EMV Card Reader ..............................................................................................................................18
NFC/Contactless Card Reader ........................................................................................................19
Setup Communications .................................................................................................. 19
Wireless ..............................................................................................................................................19
Wi-Fi ....................................................................................................................................................23
Frequently Asked Questions ..........................................................................................25
PAX Customer Support ................................................................................................... 30

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[DOCUMENT TITLE]

S920 Reference Guide
v1.0 | 1
1. Introduction
The S920 mobile terminal is lightweight, versatile, and designed for the hospitality and restaurant
industries. The S920 offers portability and ease of use for both merchant staff and customers. The S920
boasts a high resolution large color touch screen and delivers faster and easier transactions with
exceptional coverage and performance.
1.1 Purpose
This reference guide provides information about:
• Installation
• Physical and wireless connectivity
• Answers to frequently asked questions
• Troubleshooting
1.2 Intended Audience
• Point of Sale clerks who interact with the S920
• Software engineers who develop and maintain the payment application designs for the
payment card industry
• Sales Executives and Support who sell and support the device
• Independent Sales Organizations who sell terminals and conduct end user terminal training

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1.3 Acronyms and Terms
Acronym Definition
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.
ECR Electronic Cash Register
LKI Local Key Injection
Micro SD Removable flash memory card used to store information
NFC Near Field Communication — A form of contactless communication between
devices.
OS Operating System
POI Point-of-Interaction
POS Point of Sale or Point of Service
PSAM Purchase Security Application Module — Small security module which is
placed in payment terminals and looks like a SIM card for a cell phone.
SIM Card Subscriber Identity Module Card — A smart card that stores data GSM cellu-
lar network subscribers.
TF TransFlash — MicroSD memory cards were originally named TransFlash, T-
Flash, or TF cards. TF and MicroSD cards are functionally identical so both
types of cards can operate in devices made for the other.
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.
WLAN Wireless Local Area Network — Any wireless local area network, no matter
what technology is used. Wi-Fi is one type of WLAN.

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2. Packaging
This section covers the S920 packaging information. All accessories listed are Standard. See the S920
Ordering Guide for more information on all available accessories, including part numbers.
Please Note: Product images shown may be different than actual product received.
Before removing the terminals from the box, note the S920 part number and serial number are affixed
to labels on the outside of the box. Retain the original box and inserts in case the unit needs to be
returned to PAX for service.
2.1 Overpack Carton
• Overpack dimensions: 16 in x 13 in x 14 in
• Overpack shipping weight per box: 27 lbs
• How many S920 boxes can fit into an overpack box: 20
• How many S920 overpack boxes fit onto a pallet: 40
Retain the original overpack carton in case unites need to be returned to PAX for service.
Please Note: Part number and serial number labels for each of the terminals packed into the overpack
carton are affixed to the side of this box.
Before removing the terminals from the box, note the S920 part number and serial number are affixed
to labels on the outside of the box. Retain the original box and inserts in case the unit needs to be
returned to PAX for service.
2.2 Box Dimensions
S920 box dimensions and shipping information:
• S920 box dimensions: 8 in x 7 in x 3 in
• S920 box weight: 2 lbs
Before removing the terminals from the box, note the S920 part number and serial number are affixed
to labels on the outside of the box. Retain the original box and inserts in case the unit needs to be
returned to PAX for service.
Please Note: Part number and serial number labels for the S920 terminal are also affixed to the
underside of each terminal.

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2.3 Cardboard Inserts
Cardboard inserts inside the terminal box protect the S920 during shipping. In addition, the terminal is
enclosed in a plastic wrapper.
Inserts inside the S920 box house the terminal, USB to Micro USB cable, AC power adapter, and thermal
paper.

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2.4 Box Contents
Contents Qty.
S920 Mobile Terminal 1
USB to Micro USB Cable 1
AC Power Adapter 1
Thermal Paper 1