Zypcom Z34-SL User manual

Zypcom
Data/Fax Modems
User’s Guide
Z34-SL
Z34-PL
Part number: 18008-513A
August 1997

Zypcom, Inc.
2301 Industrial Parkway West, Bldg. 7
Hayward, CA 94545
TEL: [phone] FAX: [phone]

Zypcom
Data/Fax Modems
User’s Guide
Z34-SL
Z34-PL
Part number: 18008-513A
August 1997

ii
Z
Copyright 1997 by Zypcom, Inc.
Document No. 18008-513a
August 1997
This manual is published by Zypcom, Inc. who reserves the right to
make changes and improvements in the product(s) at any time.
Zypcom also reserves the right to revise this manual at any time and
without notice.
All rights reserved. No part of this publication may be transcribed,
reproduced, or stored in electronic media, translated into any
language or computer code, or be transmitted in any form whatsoever
without the prior consent of Zypcom, Inc.
All versions, titles, trademarks, compatibility claims, etc. of hardware
and software products mentioned in this publication are the sole
responsibility and property of the respective vendors. Zypcom makes
no endorsement of any vendor’s product, nor claims responsibility for
the operation and accuracy of said product.
____________________________________________________________
Zypcom, SE-Series, SX-Series, C-Series, L-Series, Z32-Series, Z34-
Series, Z32, Z34, Z32b-SE, Z32t-SE, Z34-SE, Z32b-SX, Z32t-SX,
Z34-SX, Z34-SC, Z34-PC, Z34-SL, Z34-PL, Z32CH, Z32CH-2, Z32CH-
48, Z32CH-48-2, Z3200, Z3200E, and Zscript are trademarks of
Zypcom, Inc.
Carbon Copy and MNP are trademarks of Microcom, Inc.
Hayes is a trademark of Hayes Microcomputer Products, Inc.
IBM is a registered trademark of International Business Machines.
MS-DOS, Windows 3.1 and Windows 95 are registered trademarks of
Microsoft Corporation.
pcANYWHERE is a trademark of Symantec.
PROCOMM is a trademark of DataStorm Technologies, Inc.
QModem and QModem SST are trademarks of Mustang Software Inc.
UNIX is a registered trademark of Unix System Laboratories.

iii
Z
Contents
Chapter 1 Introduction
Description .............................................................. 1-1
Features .................................................................. 1-2
System Requirements .............................................. 1-3
Modes of Operation .................................................. 1-3
Modem Interface ...................................................... 1-7
Check List................................................................ 1-8
Chapter 2 Installation
Introduction............................................................. 2-1
Z34-Pl COM Port & IRQ Settings or
Plug-and-Play Settings ............................................. 2-2
Hardware Installation Steps ..................................... 2-4
Additional Installation Information ........................... 2-7
Windows 95 Modem Setup for Z34-PL and
Z34-SL..................................................................... 2-8
Using HyperTerminal with Windows 95 .................. 2-12
Installation Problems ............................................. 2-13
Windows 95 IRQ Conflicts ...................................... 2-14
Using the Windows 95 Computer
Properties Screen ................................................... 2-15
Using SuperVoice Software With Your
Modem...................................................................2-17
Using Other Communication Software
With Your Modem .................................................. 2-19

iv
Z
Chapter 3 AT Commands
Introduction............................................................. 3-1
Functional Modem States......................................... 3-2
Basics of the AT Command Set................................. 3-4
AT Command Summary ........................................... 3-6
AT Command Descriptions .......................................3-7
AT Commands for Data Mode ................................... 3-9
Error Control and Compression Commands ........... 3-24
Chapter 4 Troubleshooting
General.................................................................... 4-1
Basic Communication Problems ............................... 4-2
Other Common Problems ......................................... 4-6
Other Frequently Encountered Problems ................ 4-15
Appendix A: Specifications.......................................................A-1
B: Fax Commands....................................................C-1
C: Modem Terms ..................................................... D-1
D: Removing Old Windows 95 Drivers.......................E-1
E: Downloading Firmware ........................................F-1

v
Z
About This Manual
Shown below is a chronological listing of revisions to
this manual. The revision sequence, date, and synopsis
of revised materials are included to provide the reader
with a comprehensive manual history.
REVISION NUMBER DATE DESCRIPTION
18008-513A 08/97 1st Edition
Zypcom welcomes your comments concerning this
manual. Although every effort has been made to keep it
free of errors, some do occasionally occur. When
reporting a specific problem or error, please describe it
briefly and include the manual name, the document
revision number, the paragraph or figure number, and
the page number.
Mail, phone in, or fax your comments to:
Zypcom, Inc.
2301 Industrial Parkway, Bldg. 7
Hayward, CA 94545
Phone: [phone]
Fax: [phone]
Printed in U.S.A.

vi
Z
Warranty and Limitation of Liability
Zypcom, Inc. warrants that its products will perform in
accordance with Zypcom’s published specifications (or
the specification agreed to, in writing, by the Buyer and
Zypcom, and made a part of the sales contract) for a
period of twenty-four (24) months from the date of
original shipment.
During this warranty period, Zypcom will repair any
equipment that it determines is defective. The Buyer
will return the defective equipment to Zypcom, and will
prepay transportation charges. A repair order (RO)
number must accompany all returned equipment (see
“Service Information” later in this section). Zypcom will
repair and return the equipment to the Buyer, and will
prepay transportation charges for destinations in the
continental United States.
This warranty shall not apply to damage resulting from
abuse, negligence, an accident, a natural disaster (flood,
earthquake, etc.), an act of nature (lightening, wind,
etc.), loss, or damage in transit. The warranty shall be
voided should the Buyer attempt any repairs or
alterations without prior written permission of Zypcom,
Inc.
ZYPCOM MAKES NO OTHER WARRANTY, EXPRESSED
OR IMPLIED, AND DISCLAIMS ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.

vii
Z
THE BUYER AND ZYPCOM AGREE THAT THE SOLE AND
EXCLUSIVE REMEDIES FOR BREACH OF ANY WAR-
RANTY CONCERNING THE GOODS SHALL BE REPAIR
OR REPLACEMENT OF DEFECTIVE PARTS UPON THE
TERMS ABOVE DESCRIBED OR, AT ZYPCOM’S OPTION,
REFUND OF THE PURCHASE PRICE. ZYPCOM SHALL
NOT BE LIABLE FOR CONTINGENT OR CONSEQUENTIAL
DAMAGES TO PERSONS OR PROPERTY, AND ITS SOLE
LIABILITY IS AS SET FORTH ABOVE.
Any action by the Buyer for any alleged breach of the
warranty set forth herein shall be brought to the
attention of Zypcom, Inc. by the Buyer within the
warranty period, but not later than thirty (30) days after
the alleged breach.
THIS STATEMENT OF WARRANTY AND LIMITATION OF
LIABILITY IS A COMPLETE AND EXCLUSIVE STATEMENT
OF ALL WARRANTY AND LIABILITY REPRESENTATIONS
OF ZYPCOM, INC. It may not be varied, supplemented,
qualified or interpreted by any prior dealings between
the parties, by any usage of the trade, or upon the face
or reverse of any form to which this is attached or is a
part of, nor may it be modified by any agent, employee
or representative of Zypcom unless such modification or
representation is made in writing and signed by an
officer of Zypcom, Inc.
Repairs and/or replacements under the terms of this
warranty SHALL NOT EXTEND THE WARRANTY LIFE OF
THE ORIGINAL EQUIPMENT SUPPLIED. After this
warranty has expired, service can be purchased directly
from Zypcom, Inc.

viii
Z
Service Information
In the event of malfunction or other indication of
product failure, please follow this procedure:
1. Call Zypcom Technical Support at [phone],
Monday through Friday from 8:00 A.M. to 5:00 P.M.
Pacific time (excluding holidays).
2. Your support representative will ask you to perform
a few easy tests. If the tests and other remedies do not
solve the problem, you will be issued a Repair Order
(RO) number.
3. Return the unit in the original box or similar
protective shipping container and send it prepaid to:
Repair Department
Reference: RO Number _______
Zypcom, Inc.
2301 Industrial Parkway West, Bldg. 7
Hayward, CA 94545
Please mark the shipping container on the outside with
the RO number and enclose a written description of the
problem with the defective unit.
Terms For warranty repair replacements, the customer pays
freight charges incurred for sending the defective
modem to Zypcom. Zypcom pays freight charges
(destinations in the continental United States only) for
sending replacement units. Replacements and/or
repairs are performed at no charge to the customer.