Zoltrix FM-RIA3X User Manual 8

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Document Description	8
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Document Type	User Manual
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Date Submitted	1998-05-08 00:00:00
Date Available	1998-06-12 00:00:00
Creation Date	2001-07-17 04:21:38
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-07-17 04:21:39
Document Title	8

Zoltrix High Speed
F ax/m odems
Installation Manual
Version 5.0
July 1996
Cheek out the Zollrix WWW Sile a! htlp://www.zol(rix.c0m
or call the Zolmx BBS lo download details on AT Commands.
S-chislcrs. additional drivers, and much moral 510-657-7415
FCC Warning
This device complies Willi Part 15 Ofthe FCC Rules.
Operation is suhieci to the following two conditions: (I) this
deVice may not cause harmful interference. and (2) this
device must accept any interference received. including
interference that may cause undesired operation
Information to the User
This equipment has been tested and found to comply with the limits for a class
B digital device pursuant to part is ofFCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential instal-
lation, This equipment generates, uses, and can radiate radio frequency energy
and, ii'not installed and used in accordance with the instructions. may cause
ham-iful interference to radio communications. However, there is no guarantee
that interference Will not occur in a particular installation. It'this equipment
does cause interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit di’fl’erent from that to
which the receiver is connected
Consult the dealer or an experienced radio/TV technician for help and for
additional suggestions.
The user may find the following booklet prepared by the Federal Communica-
Problems." This booklet is available from the US. Government Printing Office,
Washington, D C. 20402, Stock No, 0044300003454.
FCC Warning
The user is cautioned that changes or modifications not expressly approved by
the manufacturer could void the user‘s authority to operate the equipment.
Summary
Chapter 1
Chapter 2
Chapter 3
Table of Contents
Internal Fax/Modem Installation
Before You Start ........
Electra-static Discharge (ESD) .......................
Safety Precautions .......................
Necessary Equipment.
Installation Steps
Selecting the COM Port . 3
Inserting the Fax/Modem ..... 3
Installing Telephone Lines ..........................
External F art/Modem Installation
Before You Start ..
Necessary Equipmen
Installation Steps
Selecting the external serial Port
Installing the Fax/Modem ..
Installing Telephone Lines
Using the Fax/Modem
Introduction
Modem Identification
How to Obtain the Complete AT Commands .....
RPI Software V,42bis Error Correction and Data Compression
Default Initialization Strings
Customtztng Your Modem Settings ....................................
Limiting the Modem's Top Speed ......
Custom [NIT Strings for Hardware V,42bis modem . 9
The Use and Setup of Hardware Vr42bis Modems
Modem Software Compatibility .................................
Fax Software Compatibility
Issuing AT Commands
Mimlltll Dialing Commands .
Table of Contents (Continued)
Dialing a Stored Phone Number 16
Answer Mode
Issuing Commands During the Data Connection. . I7
The Factory Profile
Appendix A: Quick Reference
Table A—1. AT Command Summary (Rockwell chipset) t. H 20
Table A-2. Result Codes and Messages (Rockwell chipset) ZI-ZZ
Table A—3i S-Register Summary (Rockwell chipset) .
Table A-4, AT Command Summary (UMC chipset)
Table A-5. Result Codes and Messages (UMC chipset) ................................ 25
Table A-6. S—Register Summary (UMC ehipset) 26
Appendix B: Regulatory Information
Important FCC Information .
FCC Notice to the User i
FCC Radio Frequency Interference Statement
Disclaimer i
Copyright ..
Appendix G: Glossary
Communication Terms ............................................................................... 29-31
Appendix S: Technical Specifications
Modem and Fax Specifications ..................................................................... 32
Appendix T: Trouble Shooting
How to Use this Section 33
Determining What Serial Ports Are Installed
Common Problems and their Solutions
Modern Recognition
Line Problems
Communication Settings and
Online Technical Support
a ”mum. . o r. ”um,” lnsrllllrullm
Chaptcrl
INTE RNAL FAX/MODEM INSTA LLATION
L! “dare You Sllrl
lfynu-ve never lnslallcd an add-rn board ln your eornpurer before, please follow rhe inslrucllons rn rlns
seeuon carefully, Read llre ennrc seeuon before beginning.
I.l.l EIec'rn-Smlic Discharge (ESD)
Sorne ofrne eomnonenrr on your board are sensnive lo flMMMflmfimmmmn so
before you handle lhc fax/modem. yml need lo di>chzrgc any static cleclnclly that you may have bccn generared.
Thls can be done by lollchlng any unpalnled mclal surfaees oryour eornyuler's elrasrs or by grasplng a cold walrr
pipe fins is called "gvoundlng" Ground yourself before you lake the board our of me slalie-shrelded bag and
eyerynrne you lnlend lo handle me board.
The board should be kenr in me srane-slrlelded bag anyllmc lr is not insralled in your computers Neverbrlng
rlre board elose lo anyrnlng plasue where hlgh levels of ESD (EIecmrSlailc Dlscharge) may exlsls, Because ESD
can cum rcsidt on me onlslde oflllc slam-shielded bag, you enould never place me board on lop orme bag
Also, please read rnrougn rne User's Manual for ymlr eompurer (or any preeaurlons that slrould be followed
for your panlcular cumpuler
1.er Serery Preulnilms
Some general safely precaullons you should follow are:
1. Turn OFF the computer before you hegln. Also, (urn OFF lny uternxl devlees um Ire connected in
your eornpuner. men .s primers.
2 llandle Rh: board genrly lay me edges. Sorne oflhe eornponenr leads under the board have very sharp edges
and may tans: senous lnjury
r.z Necessary Equipmenl
Make sure Illa! you have llre followlng equlpmem at hand before you bcgln
- The Fax/Modern Board
' A modular lelenhone eahle
' An IBM rcuxu or cumpzlible eornpuler will. an available expansion slor
' A modular lelephone ourler
- A small. flalvblade serewdrlver
' A srnnll palr nfpllcrs or tweezers
~ A relepnone sel leprronall
Page 2
t “up,“ . t tutu.” I nt, ”mum “tutu/tun”.
Chapter I
EXTERNAL FA “MODEM INSTA LLATION
Ll Btl‘ore Ynu Slarl
lfyolhc never installed an emmal mudem m yourcompnte! before. plcasc follnw the instructions in this
section carcrully. chd lhc cnllrc SL'ElIOn berm bcglnnlng.
ztz Nemsary Equipment
Make sure that you hnvc all necessary equlpmcnt at hand bcfure you bcgln.
‘ The Extremal Fax/Modem
A modulartelcphone cable
‘ A RS-ZJZ cabll:
' An IBM P0386 or compatible computer with an available exrcrnal serial pon
A modular telephone outlet
’ A telsphone set (Optional)
u lnstlllatlon Sleps
The slcpi to install your madcm an: shown tn ordct in thls scctinn. Far some steps. you may need to rem la
your computer's User‘s Manual,
23.1 Selecting the uttrnll scrlll For!
BeTcorc inflalling the modem. reftr to Aypcndix Tm the section titled "Determining Wlmt Serial Ports an:
Installed m Your Ccmputer" to correctly ldcnlify what seml pens are used on yourcompuler system.
ZJJ lnslnlling lht Yul/Modem
The dlstance between the compulcrand (h: modem wtll bcdctcrmincd by the length onne mm cable A
sullable Ivczrtan for your modem should be
i Neara reliable AC power source.
Close m a good quality telephone line wall outlct
Where the LED indicators on the fmnt panel are clearly visablc.
Where the powerswnch IS ezslly reached.
9.5ng
In a Cool location that ls not exposed to dirccl sunlight.
Plcasc me the folluwlng pmtcdum m Cnnnecl lltC hardwarc
1. Make sure both the madam and the computer are turned all. Also, tum ol‘leny exlcrnal devices
that are attached. such as. rt printer and monitor.
2 Connect on: end ofthe RS-ZJZ cable to the modem.
Connect the other and ofthc RS-Z3Z cable to the scrtal purl connector on the back ufyour
computer
4, Connect the power supply to the modem,
mam
City/liar] lhillgllm mile-m
cnapiors
Using (In: Modern
3.| lnlrndutllon
Fat/modems can he used I0 lmnsfcr or receive rim files. or ro send and rcu‘lvc fares iu und fmm any ITU-T
Group III (in mnrbrne or fax curd. Borb orrbose funclmns mqum.‘ dirremm rypes ofcommnnds In be senr Io rim fax/
modem m perform eiiber runeuon. This isdonenuroninuenliy by ynurscflwxre or manually rhrougn commands Issued
HI! your keyboard
is explained in [he
Some silmncml reaiuros may require mar you Issue the commands manually Tins proeo
reinmnder nlilus chaplcr
3.1.l Modem ldenliflrnfinn
This mnnual was wrlllcn for man: man one nix/modem, For you (n eorreerly use the commands uxcd by your
modem. you need in dclcnnine wbnr modem Ehipscl is used by your modcm,
To determine what chipscl is used in your modem:
1 Install me modern and make sure (hat ii is rune-ioning properly
2 Launch your communicalmn program m any pmgmm that nllaws you lo enlcr AT Commands.
3 Enter (he lollowmg command an the nominal prompr and press rile [Enreri key,
AT [Enter]
4. The modem should mspond Wllh “0K”. iryou do nor gel [his response. rotor ro llie hardware nnd sonware
insrallanon manuals In unsure lhal you have installed rne madam currently.
Si Enler Ihc following al lliu lemllnal prompt and press (he [Enter] key.
ATiJ [Enter]
6 Us: lhe followmg (able to dclermint (he chipstl used in your modem:
Madam Responsz Mndem Type
Cuniains:
RPI Rockwell RPl-based 14.400 modem.
UMC UMC~bascd 14r400 modem.
v3.1 Rock wclI—hascd 25.300 v 34 or 33,600 v,34+ modem.
7. Enlcr ll-ie followrng al (he lcrminal pmmpl and press lhc [Enlcr] kcy.
ATIO [Enter]
This command Will cause mos! all modems (o rapon them top speed
Mourn- Respnnse Modem Speed
wane i4.4oo bps iv 32bis)
zxxno zxosoo bps lV.J4)
33600 33,600 bps of 34s)
31,15 How to Obtain "K Cumphrc AT Commands
Since lhis manual is wrillcn I'm morc lhan (inc mudtm. (he complelc dnlalled chCflplani of all (he AT
mmmnmh an: nnl pmvidcd in (“IS mamml You may lvhlnin n cnniplclc living ufllic commandy (mm cllhcr lhc Wulld
Wldc Wch tn
hllptllwwwznll‘rix.mmln|odemq&l.hlm
Pagcfi
( Iluj/h’l‘ .( l um: lln‘ Jim/um
"w Modem's Top Speed
lfynu cxpcricncu problems conncclmg to slower modcm5124000r |200 bps).youm.1y new no msmlrl your
mmltm m mm 1110 mp spud m ancmpl T1"; mm "m 11C ncccssary m mos1cnscs.hul.1hcr¢ are same 24110 bps and
12m» bps of mu 00011hp< mmlcms malyuu may no! connect m whom using om: ohhc fol10w|ng mclhuds.
Once you know me mp spccd 01th mmlcm you are nllcmpllvlg lu connecxw11h.1ustndd mu: nfihc rouwmg
mmrmnds m uh: cm] “(your IN1T slung
Rockwtll Based 14,400‘5
Cnmmand Top Speed Modulation
F0 Auto Detect (Default)
F1 300 bps (V 21 or Be“ 103) Sec Bn command
F4 1.200 bps (V 22 or Be112123)S:: Bn command.
F5 2.400 bps (V,22his)
F6 4.800 bps (v.32)
F7 71200 bps (V 121315)
F8 9,600 bps (v.12)
F9 12,000 bps (V 321715)
F10 14,400 bps (V.32b|s)
UMC Based 14.400“:
Cummand Tnp Speed Modulation
we 1.200 bps (v.22 or Bc112123)Sec Bn command,
”N1 1.400 bps (v.22bis)
wz 4,800 bps (v.32)
‘N4 7,200 bps (v.3zms)
”N3 9,600 bps (V132)
‘NS 12.000 bps (VJZbis)
‘N6 14,400 bps (v.32bis) (Default)
Rnl‘khell Band 28,8011's(\'.34)& 33,600”! (“It“)
Commnnd Tup Speed Minimum Speed Modulation
+MS= [300.300 300 bps 300 bps (V 21) Sec Bn command,
+MS: 41300300 300 bps 300 bps (Bell 103) Ste Bn command
[200.1200 1,200 bps 1.200 bps (V 22) Sec En command.
9112001200 1,200 bps 1.200 bps (Bell 2123) See Bn command.
+MS:2.1.2400.2400 2.400 bps 2,400 bps (V,22b1s)
+M 1.48004800 4.800 bps 4,800 bps (v.32)
+MSA 1172007200 7.200 bps 7,200 bps (VJZbis)
+MS 136009600 9.600 bps 9,600 bps (V,J2)
+MS=10.1,12000.12000 12.000 bps 12,000 bps (V.32bis)
+MS=10, 1, 1440014400 14.400 bps 14,400 bps (V,32bis)
+MS:74,1.14400.14400 [45100 bps 14,400 bps (V.FC)
+MS¢11<1,14400.24000 24,000 bps 14,400 bps (v.34)
PMSzI 1,1,24001J.33600 33.600 bps 24,000 bps (V.34+)
Nate: Refer m xtctiml J. L L! m dawn/"mi Ihz tum/ride A T command manual,
Page 11
(Int/IN: x 1 Wu; 1m VIN/um
llmlfllmluglldfl xpvmlllmlUh:Inmlcmunulrl1.1ru1.||lylm1|~muwllhdnlncomprmxmnl57jrtlllhp~ Ior\ mm
11.11.11 hr“ vrvmlcnn .|ml 115 111» hm for|th 1411x1111» bps mmlu fl ‘l’nxcl manlltspcmhynu \C|\:\‘I|||.ll well
mlh 1h: mflmwv ynu m rmng
mar-hm lhc m» and m 1: mm mm. 11m modem hum use a pmcc“ hrhhnhhrrr "lmnrmhrrrrrg". “hm rhr
mmkm Ic1x~1|1c L'mflpult‘r knnw when m sum mum; rlnlzv 11nd \\hvnlrnlnrucnd1 1111. Tlm lumlunrc mash-111m
hnmhrmcd (nullhprsnl'tmmculinm Thcrcl'orc.wl|.1| |sk11uwn< "Spcl‘d llul'fcnnb . “ml hr: mud nlvcn .1 "hr-mu
rrrrmmhh. 1< txmhlulml "Speed Bull‘cr1ng”lsll1c Normal Mmlc cunncnmnanulvulrm nl'mcI1;1n|w.|rcll.1111|~||.'1kmg
um rhr MN? and v 111m rrmmhom
8 \|ndcm Sal'lvure Compatibillly
Ntarly all (nmmmnmlmn mflwarc cxcculc an mnmnnllc (lcltc'mn scullcncc m (lclcnmm: Much modem ynn
lune “mum. Tlus “fly lhc mfluurc rcrrrcm 1h: pmpcr settings from an lmcnml llsnng u. xcl mu up (urrcdly for
ymlr mudcm 11 1h: mmlcm 1) no! lccngmzed a Ivslmg 15 usually made mullnhlc for 1|1c uwr m ~clcrl rrrhr.
11|11l||crmfld0m
”your program mclmlcs urch h lming 111m rhm mil mcludc |hn modem. you can nflcn (cl
him the Who w d [hm hm (he )
tiNosz>
3.2.3 The Commnnd Line
A Command line allcws you 10 Issue a number nrmrnrnnnds 11 one lime ralherlhan Issuing and wailing rur rhe
modem rn rcacl lo each command separately Here are a few rules yuu musl follow when lssumg a command line In
the modem
I. Every command line mus! bcgm wllh lhc lcllcrs AT, (excepl ll-lc commands A/ nnd +*H
2, You can gmup several cammxnds on one I|r|e as long as rhc (nlal line dues nnr exceed 40 charmers. Remember
that “UT" and  each count as one character, (do not eaunl spaces and the AT).
3. Because all spacesarc ignored ln rhe command hne. you may leave spaces between each cnrnmnnd. and belwcen
each characlcr nfcvery cummand Yuu enn also include puncluallons m lelcpl’mne numbers, and lyp: commands
ln errher UPPER- or luv/crusts rcr example, (he followlng commands are idcnliczl,
ATDT8005551234 < Enter >
or
ATDT (800) 876-5555 < Enter >
4. To cancel a dinlingcemmnnd in prngress, press any key on the keybcard.
u.
"you make an crrnr. backspace m erdse u. and retype lhe characlers comclly.
a. To exeL‘ule lhe command hne, press rhe  or  key nn your keyboard
3.2.4 kept-ling n Command Line
If you wanl to repeal the last command line you entered, type lhe followmg command:
A/ (upper or lowercase A. followed by a slash)
Nale: In r/n'r rm ynu da mi! need rn type A rfim. nor will you puss  a! the end ojthe command lines
rm"; mnnmnd came: in nanny when my need In rzliul a number that gal 41 bury rignnr.
Page 12
(Imp/fr « 1 xi"): r/u' Jim/rm
JJ Manual llilllng Commands
ll hmh ymn modern and the rcmolc madam lhal you an: connecting wilh have plumes conncrlml lllmugh |hc
phancjflkks on Ihc modem. rhrs modo wlll ollow you ro lugglc bclwccn o volcn connccuoo ond a duo connccllunu Tho
[cflmrc ls Ilhahlflhlc iryour lrylng [D make ndjuslmcrlls lo opllmlzc your unmmunl’callons wilh lllc rclnolc modem
Aflcr oucussmu wllal changes you wan! lo make you can Ihcn rclcasc lhc lrnc lo Ihc xnudcl" onrl when back ngolh lf
you uccd lo dlscuss lhc funhnr modlrltflllnnsv
1.J.l Swilrhing Btlween Volte And mu
To swllch from o mm connccllon lo o dam cnnnccllon, horh you and the olherparly musr have u oomouror wilh
o mndclll Commumcuuon software must be loudcd ond in lho rormlnul mode (lhrs may be rcfi-rrtd as. "Dumb
Terminal". "Torounul Emulnllon Mode". “Local Mono-x "Dlrccl Conneol Made , tun-lure Manual" or somclhlng
srmilorl Chcck your soflwam uommumcuoon manual rryou mn't locale lhls mode.
3.51 Switching From Vnice Tn DI(I
Vou can make lhc lmllzl cull cllher by dlallng your lulcphone monuolly or by ltlling lhe modem dlal for you
When you have complclcd your valce convcrsallon and warn lo swiroh m a data connection. lypc (h: followrng
command:
ATXJD 
Thlscmnmand lnSH’UClS lhc mndcm lo be (he "onglnnllngmodcm" While yuu are issuing INS command lhcolllcr
puny should lypc lhe lollowrng command
ATA 
Thrs command msn—ucrs lh: modem lo no lho "answerlng modern“, Ellhcr puny may be (he nnswermg or
Dnginzllng modem. but. bmh names can't be lhe originallng or answering modem.
Both pamzsshould now hung unlhelrlclcphnne handsors, lr you don'l hang random errors may uctur You ulll
new hear lhr modems hondshokc and 5c: lhc result code CONNECT along wllh the connecrlon speed,
3.3.3 Switching From Dir: To Voice
To swllch from a dam connccllon lo 3 volts conncclion, oorh parlles would plck uplhcirhandscls‘ ond crllleruse
lhehang-up command ofihcsoflwar: you art using or issue the Escape sequence commanduul followed hylho ATH
command as soon as lh: modern respunds 0K lo me Escape command. You should now hear lhe other parly or your
leltphone handsel
13.4 Using The Modem To Establish A Vol“ Cull
To use Ihc modern as an aumvdialer you can zithtr use sollware dcslgncd for rhis pumas: or usc regular
Cnmmllnicnimn sonwnrc wnh a few medlficalions
Add n rmml |n lllc communitmlun sofiworc you are using ln lhc phnnc number field. cnlcrfllc voice lclcphonc
mnnhcr followed hy o 
Htrrlhe madam rccclvcs Ihc tone diallng command. lssueslhe hookflzshl and Ihcn lone dlnls lhc cxlcnslon Thu:
semicolon relurns lhe modem m Command Slzle so ll can hang up.
JrJo9 Wlirlng for Silence
Some semees may answer your modcm's ca" wllh o prerecorded mcssagc ofrhtlr own In lhls case you wnuld
ha¥t m mslrucl the modem lo wail unlil lhe message was over before proceeding wilh the dnla connccllon You can
do (his wllh lhe @ dlol moulfier
To inslmcl lhe modem w dlal a number. llslcn For ringing. and lhen wall for no lo fifiy Scronds For n 5 second
ellenee lyou can change the wall nme wllh reglerersn berore proceedlng you could use (hc following command hne
ATDT876-5555@ 5678 
Here you inslruck lhz modem to lone dial lhe numberznd lhen, lrll hears rlnglng, lo Wail up lo filly secunds for
s sccondsufsrlzncc before diallng lhe remaimng dlglrs (this eould be an extension number, a password or an oeeonnr
numberlr
3,4 ul-llng. Stored l-hone Number
Your modem can dial one orup lo fourprevlously sloredrelephone numbersfidenllfied as 0.3) nfuplo 3: digits
each. Thls reolure ls useful roreonneenng lo a Frequcnlly called remole modern wilhoul your havlng ro dial lhe digils
indlvldually.
You can store the phone number in (he nonvolalllc RAM wllh lhc &Zrl=x command. The n rcfers lo whlch of
me fourw-J) memory localions you want, and thc x is the phone number. To store lhe phone numbtr 876-5555 as lhd
3rd srored number, we lhe followlng eommond
AT&23 = 8765555 
Here (he mndzm is inslruclltd to Slur: (he lclcphone number as slomd number “1 Once smrcd, |h¢ number is
relolned m lhe modcm's nonvolanle memory unnl you change n. The phone number remains srored even when power
m lhe modem ls lumcd OFF.
To dial a prevrouoly srored phone number you would use the s=n di-l string modlflen (n refers (cl whlch onne
foursloreu phone numbers you wlsh to have dialed), To lllal erored phone number 3, you would lype lhe following
command:
ATDs=3 
The ssn can appear anywhere in the dlaling commando For example, you might wanl ro srore a 
ln lhc above example you command dlzllng Ihc phone number The modem lhen pauses rora scl lenglh orlime
llhe “comma" forces lhw pause) and lhcn dlals : prc\ lously 5|nrcd atccss code (lhc rcsull orlhc 5:1 dlol morllfierl
Do not cnnfusc lhe s : ndlal llrlng modll‘lcrwllh llmScn-nmand used lo read urchangclhc value ofS-chlslcrs,
Page I6
L'llu/llt'rf ("fly the Jim/um
3.6.I l'slng "It Esclpz Code
To return to Command Slnlc during a data connection watt rorone second nlinacltutty and then qulckly tyne
three nluses 4+“).
Aflcronc second ufimltllvtly‘ you will see OK on lhc eercen You have rclumcd m the Command Stall: and can
teette commands. but you have not 105! your data connection.
161 Resuming the ml- Connectinn
When you are tn the Command State and want ro rcsume the data connection. type the lollowing command
ATO 
You wtll scc (lie CONNECT result code on the some" and your data cunnecllon Wlll column:
.‘.5.3 Sttling Communication Parameters
Whenever you communicate via modem you use certain sellings that establish agreements between the lvtb
modems These tetttngs are called communication parameters and cover such ilcms as baud mlta parity. character
length and the number or stop bits.
when you are nslng a computer. communication parameters are set and changed by your communicatton
sonware |n order to establish a data eunneettdn, your eommunicaltnn parameters must match those ofthe remote
modem
You may find that ymlcan communicate perfectly wilnout changlng yoursoflware settings Thts can be because
your terminal or computer sonuarc program uses common default settings which may be the mmc as lhose orthe
remote mndcmv Hnwehrr, tryau experience dtmculry, you may have to Chang: youreommunteattnn paramclcri The
most common setting are either are 7 data bits, Even partly, and l slap btt or 3 data bits, Ne parlly, and I stop bit
3.7 The Faclnry Profile
The facrory orofile ls permanently stored ln yourmedeen lteannol be changed like rhe srored profiles can The
Farlory settings my flat be what the suflwar: expects, but lhls ts agoad elaning point forzll lnitiall7atlm| strings Thtc
will eneure that the mmlcm is sel eerreclly wltlwut sending every command that the modern supports
You can always return ro these faerory settings by tssuing the following eomman .
AT&F
You can return to the factory default sellings. and lhen slore them In") the modem's nonvolatile mm, (ifsupptmcd
in your motlelt Fm use when your modem Is turned on or reset, by issumg either orlhe following commands:
AT&F&\V0 (Stored profile $10 : factory defaults)
or
AT&F&WI (Stored profile l“ = factory defaults)
r'Volf.’ Refer lo union 3. LI/w information on INITiaIl'zalion firings.
3.7.1 The Acllve Profile
The Jclnc profile euntatnsthe Vellmgscunenlly tn effect. when you turn your modem rm, or reset ll. the modem
reads us nom olattle rant. tlnonyolartle ram ts wpponcd m your muduL and makcs the Jcllv: profile the same as one
ofithe stored profiles Normally. this MI] be stored profile on. but exactly wlllch slated prnl'lll: ts used ie determtnetl
by the Mn command. lrnonvolattle ram ls not supported by ynur model the the active profile wlll be the samc as the
Factory Prufilc.
When yatt choose tn stoic an active profile into the mulkm‘s nonvolnlllc memory, the ehoscn l\ISD
l’iiut- t t
Appendix G Glossary
lTU-T (International Telecommunication; Union-Telecommunicatinn)
Formerly called the CCITI'. the ITU, which is part ofthe lntemational Telecommunications Union
based in Geneva. has developed a series ofmodem standards that have been adapted primarily by the
pool, telephone. and telegraph (PTT) organizations that operate telephone networks ofmany countries
outside the United States. Because ofthe popularity. certain ITU recommendations have also been
followed in designing modems foroperatton on communications facilities in the United States.
LA PM (Linked Access Procedure for Modems)
A errorconlrol protocol simitiar to MNP protocols. Defined in the CClTT v.42 recommendation, it
uses CRC and ARQ to assure data reliability.
LEASE-ID LINE
A telephone line leased from thetelephone company connecting two locations directly on a semi—
permanenthasis.
MANUAL DIAL
The use ofa telephone to dial a call.
MNP {MICROCOM NETWORK PROTOCOL)
An error correction protocol developed by MICROCOM. INC.
MODEM
A contraction ofthe words Modulator and DEModulatori It is used to transform digital data into
analog Signals (modulate), at the transmitter, and transform the analog signals into digital data
(demodulate),atthe receiver.
MODULATION
The process or technique ofimpressing a data-carrying signal onto a carrier,
NON-VOLATILE MEMORY
A memory location on the modem that allows the user to change the ntodem default‘s and then store
them permanently. The contents ofthe memory are not lost when power is removed.
NORMAL MODE
in normal mode. error correction and compression are turned offant the modem provides data buffers,
This allows the terminal rate to be different from the connection rate. However, the maximum modem-
to-modcm throughput continues to be equal to the connection rate.
OFF HOOK
Indicates that the modem has picked up the phone line
ON LIN E
indicates that it communications session is in progress.
PULSE DIAL
The type ol’ilitiltng used by rotary-type telephones. Each digit is represented by a series onuIses.
RP]
Rl‘l I) short for Rockwell Protocol Interface. A soliwnre scheme to cmulatc V.42/V.42bts error
ctlrrcclltm and data compression.
SVNCHRONOUS
A mulhml ufuimmunication where a group ol'churacters are sent 115 a continuous stream til‘dutu at
rcgitlur tttlcrvzils orumc
VOLUME CONTROL
‘l he uolumt: ul‘thc Fax Modem can be changed in (hr: software vtu the L (Luudncss) command.
tug; ti
Appendix G Glossary
AppendixG
GLOSSARY of COMM UNICATION TERMS
Active Profile
The current modem settings ofthe modem. The active profile ofthe modem is the current values ofall S-
Registers and AT commands. The active profile is changed by modem software and can also be changed
manually by sending AT commands to the modem directly. Once the active profile is configured to meet
your special needs you may then store it permanently in the Non-Volatile Ram.
ASCII (American Standard Code for Information lnler-exchlnge)
A standard characterset and coding scheme used to represent letters, numbers, symbols. and control
characters The IBM PC and must microcomputers use ASCII.
Anllog
A continuous sound wave or signal. such as a voice. that conventional telephone lines were developed
for
ARQ (Automatic Repeat reQuest)
A term used to describe the automatic retransmission ol'defective data blocks for the purpose ofcrror
detection in MNP and V.42 protocols.
Asynchronous
A way ofirnnsmiuing data where start and stop bits are used in frame each character. Data is sent and
received at lrrcgularpcnods oftime.
Auto Answer
A function ofthe modem where it is sci up to answer an incoming call.
Auto Dial
A function ofthe modem where it will dial a telephone number for you.
Band
The unit oi‘signaling speed‘ specifyingthe number ofsignal clcmcnls per second. Since a signal element
can represent more than one bu, baud rate is not necessarily the same as bits per second.
BPS 45th PER SECOND)
The number orbits that dre transmitted in one second. This is the basic unit oi'measure [or serial data
transmission.
Carrier
A continuous frequency capable ofbeing modulated or impressed With a second ditto-carrying signui.
CCITT tConsuItztive Committee for International Telephone 1nd Telegraph)
Sec ITU»T
Cummund Mode
Thl) I) the mode in which the operator, or communications software, can issue commands to (ht:
modem.
C)c|ic Redundancy Checking(CRCt
A lcthlllqllk’ used to detect errors In the irnnsnnsniin ni‘duiu by the uri'irnistidn urermr codes by but the
scntlttig und rccu‘lvtng modem
I‘JI'L’ f‘l
Apptlttll). B Regulatory
Important F.C.C‘ Information
This product W1“ be connected tn the public telephone network, This network is regulated by m:
FederuICommunicalions Commission(F.C.C.J.
All PC C rules must be followed in (he use nithis product.
F.C.C. Notice to Ihe User
1- we you must provide the followtng data to your telephone utility company
(telco).
ta) Nniice ofthe intention to install or permanently remove tut FCC Part
(ix-registered devmeortyaiemundthe “P CO registration numberl
"‘ (b) The Ringer Equivalence Number (R E.N.. see device label). Notcthat if
peverul devices are connected on the same line. the bum ofthe R,E.N. values
must not add up to more than 5 0 (A or B). Thi> R.E.N. figure is impumini
to your Telco
* 1c) The USOCjack type to be provided by the tclco Typically these may
he R] l 1 C for single lines‘ or R12 1 X for multirltncs.
‘Note: These ttetnsare noted onlhe equipments FCC compliance label,
2. Thisdevice may not be useden leicD-opcmtcdcuin phone lines. Party lines andprivntelyowned
ruin-phones arc fluhyecl to local State regulatory policies‘ and possible additional special State
rcquircmcnts.
3. The leicohua the right (u make changes it) theirnetwork which may affect the operation at your
equipment, provnletl you tire given adequate ltdvnnce written notice to perttiltcorreci operuiiim.
4 in caseuffipemtionnl pmblems,disconnect your unit by remuvingthe modulurormultit‘unnector
plug t'rnm the tclm'sjttck. lfyourrtgulztrphone tnll works properly, yourlltodem has pmbielm utld
mun remain disconnected and serwced at an authorized wrvtcc Centerv Ifupon the above dtbcutlncu-
lltm yr.ur regular phone “I“ has prohienn, nulliy yrittt tell-u that there may be u problem with your
phtmc hues. ii there IS uprublein wtihtht: phone lines. yuu ll‘uyln’muy not be required tu ptiy l'tit tiny
rcpuirsei vwc tome phone lines. However. il'llte pruhicl“ is Wllh Iiiiesthnture tloltciL’u ln\l'n\||r.‘d.yuu
will be charged iurthc wrvtcc.
5 Unlcn ntherwise nuted in the User‘s Munuul mtg. iuwx etc ), that tittty nut, ttitticr Jliy
Cirklltnxluncflb.In070mOfwillTunly‘Allemplnflyscrvlcc‘.dellSlmCflh.(trt'tpull'sl)nt|li\ullil. [illlusl
bee returned in the luctory or uuthuri/ed US Servtce center for Ll“ such wuik LOCJIiOlH cuithc
tihltllllt‘lj lrum thetii iginul pluce uf purchase
6 SpCU‘Ji FCC rules apply it) equipment connet‘tcd hCilIlid ‘ti PBX ur KTS.
FCC Radio Frequency Interference Slulentenl
Tlitt llltldclli liux ccniticdttictitiiply with lhc “Nib itlruC|:l\~ B (JL‘VM‘C‘ put iutll“ [OSLIthll J ttl'l’nt'i
I5 t»! lbs I: C C ruin,
latpe 27
Appzm/u 4 9141.1 Me
Resull
Code
OK
CONNECT
RING
N0 CARRIER
ERROR
CONNECT 1100
N“ DIALTONE
BUSY
NOANSWER
CONNECT 0600
CONNECT 2400
CONNECT 4800
CONNECT 9600
CONNECT 7200
CONNECT 12000
CONNECT 14400
CONNECT 19200
CONNECT 38400
CONNECT 57600
‘ CARRIER 300
CARRIER [200
CARRIER 244)“
CARRIER 4800
CARRIER 7200
‘ CARRIER 9600
CARRIER 12000
CARRIER I-NOU
1 11.11
rear?
Table A-5. Result Codes (UMC chips")
Numeric
Value
wu—
«flay-1.
11)
11
11
13
14
15
16
17
11;
40
46
47
4B
49
50
51
52
Description
Medan succnfl'ully cxeculcdflcommand line.
Connecuon made an 300 bps.
Mudcm delecled an incoming call.
Modem [on orcuuid 1101 11mm aremol: carrier xignul wilhm [he
Regisler S7 lime.
Modem found an error in lhe command line.
Modem csmbhshcd ucunneclion 111120th5,
Modem dvd nut 112150! a dial lune within 5 seconds nl'ler going oIf—huuk.
Modem demand in busy signaL
Flve secondsm Silence was noxdclcclcd when Using 1h: @ command 111
the dial command line1
Modem esluhhshcd a connecuon 31.600 bps.
Modem eslubhahcd u Connccliun nl 2400 bps.
Mudem mmblnhed u connemion 1114800 bps.
Connecuon made 1119600 bps.
Connccuon mndc 1117200 bps.
Connecnon made at 12000 bps.
Cnnneclion made at 14400 bps.
Cnnneclion made 31 [9200 bps.(1nd1cn1cs sol'iwurc me)
Conneciion made 111 3840011515. (Indicalcs software rule)
Connecnon mude 11157600 bps. (Indicales software me)
Camer rate 01300 bps
Carrier m1: of 12110 bps.
Currier ml: 1112400 bps,
Currier me 0141100 bps.
Carrier rate 0172110 bps.
Cnmer rznc of9600 bps.
Curner rate or 12000 bps.
Currier mm of 14400 bps.
The CA RRIER Resull Code must be enabled with Nlcnmmnnd.
Nwz: 17.11 szrliun applies 1» mm; baud Fax/modems. Please rzjer 111 Section 3.1.1 1.1 delermin:
yflurjax/madcm type.
I’mr I?
Appendix A Quick Reference
Table A-3 S-Reglster Summary (Rockwell chlpse!)
Register Tille Deraun
‘ SU NumberofRingstill Aura-Answer 0
Si RingCounrcr 0
$2 Escachhmcler 43
SS Cnmage Rerurn Character [3
54 Llnc FeedCharacler ID
55 Back Space Character 8
‘ $6 Want For Blind Dialing 2
‘ S7 Wail For CarrierAfier Dial 50
“ SE Pause Time For Dial Delay 2
. sq CarrierDelethesponse Time 6
~ 5 10 Lost szer To Hang Up Delay 14
' S l l DTMFTonc Duratmn 95
‘ SIZ Escape Code GuardT1mc 50
$13 Reserved none
‘ $14 BilMappcd Oplions none
SIS Reserved none
516 Bit Mapped Teleplions none
‘ $17 Reserved none
‘ $18 TestT1mcr 0
‘ $19 Reserved 0
320 Reserved none
‘ 521 an Mapped Options none
‘ 522 an Mapped Opnons none
523 1311 Mapped Opnons none
524 Reserved none
' $25 Delay To DTR S
' 526 RTS To CTS Delay lnlcrval l
. 527 EilMapped Options none
529 Flash D131 Tone U
* 530 InactivityTimer 0
S31 Reserved none
532 XON Characler none
533 XOFFChamctcr none
‘ $36 Negonmion Failure Treatment 7
’ $37 Des1redTelco LineSpeed 0
“ S38 Delay Before Forced Disconnect 20
$19 Reserved none
540 Bit Mapped Oplwm (MNP) 57
S41 1311 Mapped Oplions (MNP) 1
T‘ 546 V.42b1sSelecnon none
T“ 548 V 42blsNegouu1ionAclion 7
1" 382 Break Handling lZS
5811 Connection leure CauseCode none
‘ $95 Exlcnded ResullCodcs 0
‘ Register value may be stored in one of Iwo user profiles with the AT&Wn commandl
1 Nul mpporrod by RF! based fax/modems.
Now: 7711] lea/inn applies m Ruck wellbased Fax/mndems. I’Iem‘e reftrlufeclian l L I 11; determine
yrlur [III/mullet" type.
1am 11
Appendix A Quick inference
Table A-2. Result Codes (Rockwell ellipse!)
Result (Jude Numeric Value Description
OK 0 Modem successfully executedacummand Ime.
CONNECT 1 Connection made £11300 bps.
RING 2 Modcmdclected nnincoming call.
NOCARRIER 3 Modem lost orcouId not deteclarcmotc carriersignul within the
RegisterS7 time.
ERROR 4 Modem found an error in thecnmmand line.
CONNECT 1200 5 Modemestablishedaconnectionztt1200bps.
NO DIALTONE 6 Modemdidnoldetectadialtonc wilhinSsecondsaftergoingoff-hook.
BUSY 7 Modem delectednbusy signal.
NO ANSWER 8 Five secondsolsilence was notdetecled when usingthe @commund
in the dial command line.
CONNECT 0600 9 Modern established a connection at 600 bps,
CONNECT 2400 I 0 Modern established a connection at 2400 bps.
CONNECT 4800 I I Modem established a connection at 4800 bps
CONNECT 9600 12 Connection made at 9600 bps.
CONNECT 7200 13 Connection made at 7200 bps.
CONNECT 12000 14 Connection made at 12000 bps.
CONNECT 14400 15 Connection made at14400bps.
I CONNECT 16300 59 Connection made at 16800bps. (28,800bps Modems only)
CONNECT 19200 16 Connection made at 19200 bps.
(Ifmodem is set to respond with connect message that indicates carrier
rule. [hen 28,800bps Modems only. Otherwise indicates soflwan: rate)
CONNECT 21600 61 Conneciion made at 21600 bps
CONNECT 24000 62 Connection made 3124000 bps. (28.800bps Modems only)
CONNECT 26400 6} Connection made 11126400 bps, (28.800bps Modems only)
CONNECT 23800 64 Connection made at 28800 bps. (28.800st Modems only)
I“? CONNECT 31200 65 Connection made at 31200 bps. (23,800bps Modems only)
T? CONNECT 33600 66 Connection made 313360017115, (28.800bps Modems only)
CONNECT 38400 17 Connection made al38400 bpsllnditates software rate)
CONNECT 57600 18 Connection made at57600bps. (Indicates software rate)
CONNECT I 15200 19 Connection made al 115,200 bps (Indicates software rate)
4444
CARRIER 300 40 Carrier rate of 300 bps.
CARRIER 1200 46 Camcr rate 011200 bps.
CARRIER 2400 47 Camer rate of 2400 bps.
CARRIER 4800 48 Carrier rate of4800 bps.
CARRIER 7201) 49 Carrier rnie 01'7200 bps.
CARRIER 9600 50 Carrier rate of9600 bps.
CARRIER 12000 51 Currier rule of 12000 bps.
CARRIER 14-100 52 Currier rule of 14400 bps.
“I CARRIER 161900 53 Currier rule of 16800 bps.
‘f CARRIER 19200 54 Currier rule of 19200 bps
‘T CARRIER 21600 55 Currier rule 01'21600 bps.
”‘l CARRIER 24000 56 Carrier rate ol'24000 bps,
‘T CARRIER 26400 57 Carrier rate 0126401113ps.
‘T CARRIER 28800 55 Currier rule of 28300 bps
“HEARRIER 31200 65 Carrier rulc ol31200 bps
‘f’fCARRIER 3.1600 66 Currier rut: 0113600 bps
' The CARRIER Result Code must be enabled wilh S95 hil 2 or W1 command.
1 214,800pr and 33,600 bps modems only
‘M‘ 331.00 bps modems only.
Nun's mu m m... uppliej m Ruck Wu baud Flu/"Indra“. Please refer to Secliun J. I. l m due/mine
yuur fur/made": type.
i’vl'lt' I I
Chapter 3 Using the Madtm
3.7.2 The Slnred YmI'lIes
Twu smred prufilcs are stored m rhe modem's nonvolnllle memory. When you rum yum compurer and mndcm
uIT, Dr rest! lhc modem, you do nor change or lose errner slored profile, When you lum yaur mum on, crmsel n wllh
(he Zn command, rnc mudem leads us nunvolallle memory, and makes me actlvc profile rne same as one afrne srnred
profits
The rrared profile used when you mm on me modem is delerrnlned by rlre &Yn command. &v or mo (rhe
facmry defaull selling) cruse slored profile m In be used when rne modem is rumerl on 3ch causes srorea profile m
m be usecl when me modem rs lumed on.
lfyon warn lo change one orrne slored prufiles lu match the cur-rem aclrve profile. you would use one oflhe
(nlluwing commands:
AT&W0 (Sloled profile 30 2 current profile)
ar
AT&Wl (Slored profile $61 : current profile)
were.- Nat all ynmmelnx may be ”wed in the modem '1 ”Murcia/if; mm. The parameter: lharmay be mad ere
lined in Table's ml 4 A—l.
17.3 Vlewing Yuur Slnred Ind Arrive Prnl'IIel
Ynu may wonder “Whal‘s m my lwo srorerl profiles?" or "Jusl what is my active me'llc"" The &v cummznd
prm ldes you wllh a "new" nfyour profilcs. You mus! b: In (he "Terminal Mode" lo be able (D send the &V command
m ycul modem The rev command causes your modem lo dlsplay a llsr ofAT commands and S—Regisler selling;
currencly m err-err {Aalive profile) and bolh smred profiles.
Followlng ls a lypical response lo rne &V command:
ACTIVE PROFILE:
El El LI M1 N1 00 T VI W0 X4 Y0 &CI &D2 6200 8:10 81K] EQS &R1&SO&T4 &X0 &Y0
500:000 SDI :000 5021043 503 DI 3 SOfl'DID 505008 506.002 SO7:050 5032002 5091006
510.014 S]I:095 SIZ'OSO SIS 000 525.005 526.001336‘007 537z000 538:020 5441120
546138 5414007 $95.00]
STORED PROFILE a.
El El Ll MI NI QDTVI wo X4 Y0&Cl 840234008410 MO 5405 &R1&50&T4&X0
soo 0003021043 506 002 507 050 5081102 SO9:006 SIO:OI4 SH:095 512 050 Sll-l:000
530 007 537 000 540105 SQI'IZS 540133 595003
STORED PROFILE I
El El LI MI NI Q0 T VI WOX-I YO &C0&D0&GO&JU&K3 &QS&RI &SO&T4 &X0
500 000 50104} SM) 002 SO7:050 508.002 509006 Sloma SI 1.095 SIZ 050 5181000
536.007 537.000 540105 S4]:IJS 846.138 595 000
TELEPHONE NUMBERS
u: l:
3=
0K
Fulluwlng |> r Iyplul resnnnse m rne &.v uummand for murlcls mar do no! suppcrl nunvnllllile mm.
AL'TIVI: PROFILE
El El LI Ml NI OUT VI W0 X4 YOACI &D2 5400 &J0&K3 &Q(7&RI &50 &T5 &X0&Vfl
Suruml) sul 000 50m” 50) m: 504 (ml sns (1le 5013002 507 050 $08 002 SW) 006
51mm SH 005 SIMS“ Slx lllm $15 005 516.00! $30 007 3,17 000 SIX 010 544010
5-14» llx 54.1007.
5 null
lam.- I‘7
Chapter 3 Using I’ll Mode».
The S rtglsicri are summariud in Table: A-3 EL A46 along wllh "le default vzlues. Regisiers dznulcd wilh Mi
-v in we (ables may be sroreri iri oneni rwo user profiies by entering the AT&Wncnmmaiid One ol'ihese profiles niiiy
he lauded 4! any mm by using the ATZii commznd.
345 Answer Mod:
3.5.1 Answering ii Call
wnen iiie modem is in {he dara rnorie. Auto-Answer will answer an ineoining call provided iiie compuicr is on
and your soriware is properly loaded.
Mm: Your modem is nor/acrary m to Aura-Answer telephone calls.
You can enable me Auio»Answsr mode by >ell|l|g rzgislcr so in one or greater. Your terminal or compuicr musi
he in (h: On-Line mode wiih ils DTR Signal (me or me &D0 command (DTR fumed ON) mus! have been issued. Se:
riie discussions covering Selecting iiie Number of kings and Disabling Ania-Answer.
When iiie modem answers me can, in sends a high—pitched carrier ione ii) iii: modem on the other and, which
begins me hand5haking process
Ailer handshflkinflr you will see one or me CONNECT result code messages on your screen. and iiie dnia
eonnecnon will begin.
3.51 Seieriing rire Nuiniier nl' Rings
Regisier so allow> you in seleci iire number orrings aner which riie modern will Auto-Answer. For example.
in insiruci rne niudcm Ia answer xflcr four rings, lypc rire ioiiuwing command:
ATSO=4 
3.5.3 Disabling Aura-Answer
Ii you wunr io dissbie (he Ania-Answer reaiure (perhaps yDu will be away from your phone for a whileL you can
do so by seiimg regisier 5010 0.) ”you are using communications sufiwam, and it is programmed la Aura-Answer,
II will do >D regardless ofihe modem's sellingse
mire The modem rim aluwer ii [all even in “Mum" i: dlsnhlcd. Yaur computer musr be lurnfll arv, yuur
ipinpuier's Jufiwum ignited. nmlynu mus/b! in rhererminaiinode. Winn-yin: ireirrme It’lEp/mne mi rype
me L‘omnmnd A n . The modem will answer rhe calL
3.5.4 Sanding And Receiving Files
You cam use your modem, your compuier and ccmmunicalinns sofiwam m iransmii (unkind) and “Nine
iuoiinioudi mes inese processes are handled Ihruugh yuur eornrnunieairons sofiwnre Sc< your-ooinnniniunnons
soiiware manuul for more infomiaiion,
3.6 issuing Commands During Tire im- Conneeiion
Tire inuuuin has rwu operunonui siares. Command sinie inii Dara Sruie. When you firsr lum your renninii ON,
or ionu your uimpulel‘s‘ mmmumcaiium sunwarc. and sum giving commands m ”R nioueni, me mane-in is in
Luminand Shim iinwurer, unoe you mflk: a cunncflion wiih anorner rnouein nnri slur! passing iniiirnisnon oxer ins»
lL-lcphinu' |ii\L'\, ymi ire in (hi: Duiu Siaie Lind can no iongcr Issue AT modern commands
II ynur Luimmliuii wriii ihe uihw compuicr is broken iui any muslin. you will auiomurieiuy rclum hi Coninianii
sruio so Um yuu Nu issue ncw ooinnianris However. you may wuiu n, reiurn io Command smre rernporsiriiy Wirinnn
Io~irig your dam uunneciiun (a: g. In eirunge n cnrnnrunionnons
narinirirri iiio modem provides s spcciril up: Cndu Hiul ieis you do ihis.
|'.iu\' I7
Chnprer 3 Using the Modem
13.5 lllnging Up
lrynu are usmg a cummuuicalions program. use me “hung up" or "disconneci" command in me program in
discunneer me calls
A melnnu used wuli cumpulers in lhe "dumb lernimnl mnde“ is [o relum in lh: Curr-menu Stale by Iypmg an
escape sequence, Typing rhree plus Slgns is lire standard escape sgqucnce,
H+
(sec 3.6 Issuing Commands During the Dun Connection below), and lo hang—up then type the "hang-
up" command as follows‘
ATH 
3.3.6 Dilling [rum I Businlss Phone System
wnen ynu disl frnma business phone. yuurypieslly musl inslmcl memudemm dial a number larzn uurside line,
in wan for a dial lonev and Ihen to dial the lelcphone number aflhc remote modem. A lypicxl command line mighl look
like lhij'
ATDT9,876-5555 
Hcrc me modcmdials 9 (man oulslde line, pausesio wun foradinl lune(|he crime in llie command line causes
me pausc), and ihen ululs me number.
By dersulr. mecnnims causesa twu~secund pause, However.y0ucan crealca longerorsnnnerpsuse bychangmg
me value for regisler SE.
You can alsa create s lnnger pause by including several commas m 3 NW m llie command Imci (More is no dial
rune by me lime (he pause ends, lne mndem will ga ahead and dial me number anyway, bin me eunneenun Will nor
Succeed.
A bellcr way u: dlal wnulll be in insert a W in the command line in inslmc! the modem {0 wall until ll hears (he
dial me (for a specific murlmum umuunr of lime). The mmmand line would look like mis;
ATD9W876-SSSS
Herc (he modern dials 9 for an Dulsnle [me and (hen Wans for I did] lone (me defaull maximum wait time is 50
seconds. bul you cancliunge nus value mrcglsters7). lrnu disl lone isdereeled in inespeeifieu lime, rlie mudem hangs
up
Nan: Yaur D/fice phant system musl allaw Ihe use nfn ”gala! lelephnnu (no! u propritmry plume) la uxeylmr
modem from your burinerr.
3.3.7 Relurnlng (n Cummund sure Alter Dinliug
aeeusiunully you may want me modem |0 dial a number andlhen w relumlo Command Srme m semi uuuiiiunul
commands bcfnr: establishing s dzia cunneerinn. You will find mls reilure useful when dialing an elecirunic service
and] us lelepnune bunkmg You mu diul llie number urine bank, lhcn utter the call is answered. you uun nmer your
nun-53 rudi-
Tu must Ii“: modcm m rcmrn (0 Command Slaw aficr dialing. include a . (aemimlnn) m xhe em! nflhc command
ime
For example, to dim u bunk rm eleelrunie banking. you mlght rype rile following command'
ATDT 876-5555; 
were, me muuum rune ululs me number. irllie remmt modem answers, you see lhc 0K Resull Colic. dndcuncnwr
uuuinun Lumlnulldn Fur erumple, lu insnuer lhc modcm In diul yuur ueeess code or uecuunl number, you euulii eurer
lhc acuim] Lummdnd line as follows'
ATDT 123667)! 
ll Ilh.‘ clmnccnml ls sllccessrui, you wrll see (in: CONNECT Resull (Jude url ynur sereun
l’.lgc IS
Chapter 3 Using the Modem
3.2.5 Resull Cudes
When o cummdml Ts Tssued. The screen wlll usually respund wnh n message. ThTs message Ts called a 'ResolT
Code" TT lcll; you Tne resulT ol’The eommonu you‘ve executed; wheTher The command hos hccn executed, wheTheryou
hnse eunneered To TnoTher modem, wheTher The modern recelved a busy sTgnal. and so lonh.
Rosuh codes (Tables A-Z & A-S) can he deplayed by cTTher a number representing n resulT code or by Terool
rusponses l‘oro more descrlpllve code. Yourmodem has been Tlel‘aulled To show The verbal response codes. However.
you e.Tn ulTer The Nsuh eode responses in The rolloang ways
I The Xn command lnsirucls me mndem lcT give yuu less delxlled responses The default ls X4
The vo command Tnslmcls The modern To respond wnh numerical ldlglls) msTead ofverbal resuTT codes.
The Ql command dlsables generation ef rcsull Codes
The w dlal suing modlfier lumen The 1110de To won Torn mm. Tone herore eonTTnuTng dialing,
The @ dlal smog TnodTfier TnsiroeTs The modern To Tnelude The NO ANSWER resull code Tn The x4 mode,
mbuN
3.2.6 Dialing With AT Cnmmlnds
The Terminal mode allows you To lnslrucl Ihe modem To dial a remote modem by hsuing The D command
followed oy The phone number. You can also include dlal suing modifieTs Tn your Cummand line To glvc The modem
addlllonal lnolrucnons. The follow/mg dlal modlfiers are available‘
T Dlal using DTMF Tones
P Pulse/rozary dlol (foeTory den-Tull)
, Pause
W Wail for dial lone
@ Wait for silence
1 Hookflash
I Wall 0. l 25 secunds
Return to The Command Mode aflerdialing
Nate: Do wnhlml [he campleve A T command manualfmm the Zplln‘x BBS a! (510) 657— 7413
3.2.7 Simple Dlullng
To command The modem To dial a remake modem from an ordinary Tom: dialing (elephane. emu Ihe di
commend followed by The phone number. For example, Type The following mmmand:
ATDT 876-5555 < Enter >
Nave: Fur rainy/pulse dialing leleplrone system: you mus! are.-
ATDP 876-5555 
Mlle.- I/ all a] your fyptd character: appear doable mar example. you we AA 1mm. yaa need to disable
homo-land eeha oy reaonfigorlng your eammanlrollon sofiwar: (refer la The so/Tware manual) or issuing
Mm A 75” (Euler) talmmmd.
MlL-r ynu Tssue The dTolTng commend you will hear The modom dTanng nnd Ihc remoTe Tulenhono rmglng. erhe
remoTe modem answer) The enll, lhetwa modems will send lllgh~pllchell carrier Tones To one nnoiher theh csldbllohcs
The Tronsnussron speed dud oTher pornnTeTers for The dam eonneenon ThTs process Ts dolled hundohakmg
ll The call Ts dnswered. you >lmuld see The message. ”CONNECT", followed oy The Tonneenon spud, ll'The oTlTer
phone lTne Ts ousy. yuu lel so ‘NO CARRIER” or "Busy" displayed TThTs IS d pendem upull The eurrem x seTTiTTg)
ll’lhc oTher mudcm doc) hm nnswor, you will see The messagemo CARR! .
After .. eonnoeuon hdx heen usmhhshed, wTTh um: orThe "CONNECT” messuges diopldycd, The modem Ts Rudy
To TTanTlTuT y he TT Tronsmnnng nnd reoemng dud ThTsTnTy vary from lyplng manngug To eneh oTTTer, sendmg ur
reeen Illg men, logging, on To on Tnlormnnon serwee. ur my oTheT on“ vomnlunuullun Tosh you wTsh To perform.
l‘dgu l T
Chapter 3 Uu'ng the Modem
The modem will respond with somclhing simular to the following examples:
Modem Response Fax Class supported by Fax/Modem
(0.x) Class l
(0,21 Class 2
(0,1 1] Class 1 and Class 2
lfihere is a Inslmgoffax/mudemsmselecl rmm anmmsmodcm isnol listed.se|ecla"gencricclass l"or"gcncnc
class 7 fax/modem. ”a [munllzahon smng is required you can use the following
AT&F&C|&D1
3.2 Issuing AT Cummlnds
3.2.1 Culing Sunni with the Terminal Made
Wuh yum modem installed, your computer powered ON, and your compuler‘s cummunicalions soflwarc loaded
in “5 terminal mode, you can enter commands no (he madam.
UllCnmlnHVil—cfluws
mm sgnlngs scum szy- Help
llo
cnuz PROFILE:
Elummvuulwun
m sun-u wan; u n:
L! y
1 £1 u n m r m no
arm n n sums:
in “you
roman mum: 1.
Ex L2 n bu p in mi
nz-nsn
43
1 mmu
yum“ mnnEns:
Sumpls Terminal Mamie Display
n Jvuxlubh: m your cummnmcmlmn‘s mflwarc, helm me "(ermlnul made” (snmcumh rcferrml (u n, "(errmnal
cmuluuon mud: , ‘dumh ltrmnml moan“. Tocul much or ”mm mm: mode“) Thus mm]: ullnwsyou n) ma
commands mmmy (u m: mudcm Some software packagcs smn lmmedmlcly mmcmmum mad: as soon usyou load
|hc prugmm
mun
Chapter 3 Using the Madam
3.1.6 Cuslum [NIT Strings Ind Mndem Conflgurltinns far HII’dWIrE v.41bls modlms
Nul‘r This unit»: 1m mu apply In nranx/mamn Please mferlaSnlian 1.1.1 10 damn/ac yaur/lur/madem
type.
Becaus: some modtms llo nm mognlze [he v.4zms hnndshalnng sequzntc or you may mm to make a specnl
rypt: nlcnnnccnon, Use m: (allowing lnn slnngs [0 ensure mm the modem wlll make a successful conneflion. A
common cunnmlzalmn ls lo add me command m limil me modems lnp spend w lhe and nuns sn-lng {icy F5 or ‘Nl IO
llmn m: anemplcd speed lo 2400 bps)
1) V.4lbis Auto
Thls configuration is me cunfigumtion uscd m slump: all pussible connccllons. The mmlem w1ll first slump:
z v.42» cunnccllon. lflhe remote modem does no! suppon VAZ‘NS‘ me modem will allcmpl an MNPS cunneciion,
lflhe remake modtm does run suppon MNPS the modem Wlll anempl an NORMAL tunncction (No Error carreclinn
or compresxion)
UMC Bind I4.400's AT&F&CI&DZWI
Rockwell Blsni 28.3041” (v.34) St. 33,6003 (V.34+) AT&F&CI&DIWZ
2) M N P5
Tm; cunfigurauon wlll bypass the V was and v 42 n=golianon and allempl MNPS first. lnn: remole modem
does no! Support MNPS the modem will flllempt nn NORMAL connccllon (Nu error correction orcompressilm). Use
this scleulmn lryon lnuw Ihzl m: rcmole modem is only a MNP modtm and docs not support v 4zlv.4zlns‘
UMC Based 14‘400'5 AT&F&C\&D2WI\NJ
Rockwell Based 28‘800'5 (v.34) AT&F&C1&DZW2548=118
3) MNP4
Tm nonngummn will bypass the VAZh‘ls and vl42 negolialinn and ancmpl MNP4 fim lhhe remote modem
do“ nm sunpm MNP4 the modem wlll attempt an NORMAL Cunncclion (Ne crmrcofleclion or compresswn). Use
nus selecuun .f ynu know mm [he remol: modem is only a MNP modem and does nul suppon V.42/V.42bis. This
selecllon lums Dffihc MNPS cnmpmsslnn. MNPS may aclually slaw down file transfers nfmmpussed files, ll’lercl’ure
ynn may wam lo mm MNPS 0mm sllll mm the error carnelian cnpnbllmes nl MNP4.
UMC Based [4,400'5 ATJtFJxCHtDZWHNJV-CD
Rnckwell Based 28,800'5 (v.34) AT&F&CI&DZWZSIE=IZB%C0
4) NORMAL (Erna! Carnelian Ind Dill Compression OFF)
Tm con figurulion wlll not allempl v.42 or MNP Mn lnlexd allempl a NORMAL cunneclion. II'you know mm
m: rumulc modem does not suppon v 42 or MNP, sclccl lhh canfiguralmn lype. Tm; wl|I nclnally speed up lh:
handahuklng plotcss Many non-errur-correclmg modems do nol Imcrprc! [he v 42 ml MNP slglmlscorrcclly. Using
lm ncleclloll mll cllmlnal: me prnblcms seen when calllng nonrcrmr-conecllllg modemsv
UMC Bused 14,400'5 AT&F&CI&DIWI\N0
Rockwdl Based 23.3003 (VJl) AT&F&CI&D2&QGWI
Ann.- M "my lulu additional rum/mam]: In any nflht pun/ding Winnings, 1m as memiuuzd previouxly, ii is
mummy-m mm y“ pul m; nlldl'riunal (‘ammumls at m end all/w INIT firing.
3.147 The Un- und Sump ol Hardwlre VJZhis Modems
Wlmn u v 4an mnnccllun n hum-shun lhcrc ls n lhtmcllml lnuxlmum cnmprcssiml um: um oN-m- l. lrl
m ln-r m ulmprm» m dullmprcss lln- dam mu Ihcn mmmlll or [0&1ch“Jhtl’uI-lmualhflfdllb'krl’cdrhilll‘hl‘lt‘l’lfllflul
n. Ihf nnnlmn nnl Imm lln- madam m Ihc wrminnl‘ l'onr mm mm lnnn (ch lnudcm l) lmlhmllllllg ur rmnnng ll.
Tlnmlnm, whlm yuu m up yuut mnwnm far use wnn n mglwn-m 14,400 bps M 231400 hp: moumn wnn nnnlwnn-
v 43m .nnl MNI'S‘ ynn mu)! m Illa om Tcmunal Equlpmcnl (may spend m m when pnsnmlc "nnunl"
unnnlnnnnn Well
lum- «l
Chap/er} Using [Ire Modzm
Vuu may also cunlucl lhc Zollrlx BBS .rl (SIU) 557-7413 and follow lhe dirmrmrs beluw.
I, Lug nnlo rne Zullrlx BBS by enlcrlng your name and followlng llre onscrccn direclluns,
2 when you gel rn me Bullclln Menu, rend bullclin m.
J Uxmg rhr: ATIJ response descrlbed in seclmn 3. l. I , userhe clrnn on Bullenn M rn dererrnrne rne frlennrne unne
ATcommnnd manual fur your modem.
3.I.2 RP! Snflware Vlflhis Error Correction Ind Dltl Cnmpresslnn
”your modem dues no! lnltgrale hardware V.4Z/V.42bis Error Comclmn and Data Compression‘ il is likely
In hnvt V 42b|s funcllnns that are soflwzr: tmulalcd. Thls means Illa! lhe compuler exzculcs Ihe error correction and
dala compresuon Funcuons Thwrellcally Ihh speed oflhls operallon is lhc same rls hardware Vv42bls, howeverlhis
l: hrghly dependem on me speed ofyuur computer To achicvclhe 57.600 bps lhmughpnl, you musr have n 486/33MH2
or fusrer compuler
One such snflwar: V 4ZbIS emulated modem ls bulll around Ill: Rockwell RP] chlpscl. If your have such 3
modem , any aofiwdrc xhal yuu lmend lo me with it requires the Rockwell RPl (Rockwell Prcmcol Inlerface) m enable
Error Correcnun and Dam Cnmpresslun funclians. The snnwure provided wllh are modern pmvldes RPI supporl. If
rhe >Dflwzlrc you arc ullng dues “cl snppon Rockwell‘s RPI, yuu will nol gel the benefils efError Currecuon and Dam
Compresslon,
Rock» all has wrlllen A Windows driver (hal Wlll give all Windows-based communlcnlicn programs lhc sohware
Error Correcllun and Dale Compresslon funclions. To ubrmrl ll'lis drlver Comes! the Zollrlx BBS at (5 10) 657-741] or
on me World Wlde Wnb al'
Imp ://www.nhurockweILu)m/ref/rpl/wlnrpiJltml
3.1.3 Dehull Inlllflliution Strings
Your rnuuern has been preser m lhe recrury m npunnze us perfnrmance These rucrnry prngrurnrnell aernulrs
allow lhc modem 10 dLl’lICVC th: besl possible connecrlon under Ill: worsmf'lclephune line condilions. This is dun: by
programmlng rnu mudern wllh .| Seluflnslrucliuns calledlh: "lNlrrrhorr lnr lnillallzallon) Srnnr, .
The [NIT smng lmlrucls lhe rnnrlum hnw lo execule each communlcallnn session including lrnplernenung or
rml Implemenllng error correcrion and data compression durlng lh: sesslon The (army defaull INIT slring stared in
the modem ls uh follows
AT& F&C l &DZS95=3
ll' mu program mu: you ure using allow the enrry or cdlling or an INIT slrlng, consular enlerlng
ATBLHkClfirDZS‘MA lluweycr, you should not: me arlglnal [NIT ,rnng ln case you need lo m n luck (0 me
pmgmm> dcfaull “urns,
J.I.~l Customizing Your Modem Seulngl
lrynu erll lu cuulcm configure your slorcll profilcs. we suggesr um ynu always use AT&F&C larm us Ill: firsr
par! ul your uuxlormlcd KNIT unng um! null umer stlungs lu rlre and. Far example, rfynu Wl>ll lurlrnngr rlrc durullon
qf lhc urul lune rn firm by mldlrlg an s ll opllon w your alring. rlle resultlug slrlng would be as followsr
AT&F&C1&DZSI l=55
NuIch llul A l‘amcmm n (he llrsl purl oflhc suing um] me new upllon SI I=55 lug hem uppunucrl m Kim
and nl'lllc ulrlng
u lure: I] the rum/1m x lwr/nmmm'e urjfrr; u/rer the raring. hm hm. mmll‘fiml fxxm’A 1.1 m cur uzxus=u w
m {be mmlem Tllh will mum-1 lhu min/em w mane/ire ue/unlr irul wing unuxrure ifin m.» Mlmlems N. V.
Hum (I’ennuuwll ”whirl/y]. Ifymu "nu/er glam mu wppnrr the N. V. mm. (m mm”- L m. change the
u I r lhmx m ”u, Alt/au/I wring.
|,.l‘.lL’ 7
C hapltr 2 External F aux/Made" Inna/laden
2.3.3 lnslllling Ttltphone Lines
The Fax/Mndem has lwo modular leleplmne jacks on the back uflhe modcm‘ You will need In cannccl your
FaxJModem (D the wall nullel via a modular telephone card.
If your wall oullfl ls not a modular type. you can purchase an inexpensive converter ax mosl elecnonics or
phone slates. h ls suggcslcd (her you connect your mudcm (o a "dedicmed line , A dedicaled line is . regular
phone Imc than does run go lhrough a switchboard, PBX, elc
You can alsu connm n (elephant sel In your modem, enabling you m use the phone when the modem us not
m use lhe modem can Also be used as an aulodlaler wnh your lcleplmnc set. Ins mcommcndcd [hull you use n
slngle Ime phone Outlet (RJI n. However, you can use a lwn-llne (R1 I4) phone line, on Ihe modem will only work
an the hm hm using the Center pair nfwuts,
Tu Lonnccl the lclzphunc llne lo lhc modem rollow lhcsc hens:
]. [men on: end fiflhe phone line into lhejack on the modem labclcd Line at Wall.
2. [nsen the olherend oflhe phone line inlo the phonejack.(usually located on the wall).
llyou wnh (a use a phune in conjuncnon with your modem, please follow lhcsc slcps'
1. [nsen the line from lhe phone into the modemjack labeled Phone,
2. Make sure lhal (he ulher cnd orthe phone line is connected lo the xelcphune
Pug»: s
Chapter I Internal Fax/Modem Installnlian
u lnmllurion Sreps
The sreps ro lnslall your modem are shown in order in lhis secnon. For some sleps, you may need In refer to
your compuler's User's Manual.
1.3.1 Selmlng the COM Pan
Befeore insrnlhng me modern, refer to Appendix T in the secuon lillcd "Delenmnlng Whal Serial Pom ore
lnslalled ln Ymrr Computer" in cormctly idcnllfy whnl serial ports are used an ynur CDmpulEr syslem
rho lrnernnl Fax/Modem ran use com pons l us 4. Please refer (a rhe Quick lnslullniun Reference Card
for she rnsirucnons on huw ro sei rlie COM pons ond [RQ levels for your lnlernul modem. You may ulso refer ro
ihe pnmlng on rhe lniernal Fax/Modcm for me selling of rho COM pons and mo levels.
IJJ lnsening (he Fax/Modem
l Turn offrhe power lo me compuler Also, mm nllony ememnl devices mm are amchcd. such us a primer
and monnor.
Take our me niounrlng screws on she baelr ofyon eornpuler Refer ro your compurer manual iryou eannor
locale lhem
3 Rcmohe Ihc compulcr cover. Refer us your eompuror manual ifyou eannoi dererrnine how ro remove lhe
cover.
4 Seleci an empry slor. You may need ro remove rhe rneial slor cover firsl, using a small screwdriver
5, Dlscharg: any slailc eleemsny In your budy by louching any oare melal surface on lhe chasis orlhe
cDmpulcr and remove fhe modem from me slalic—shlelded bug.
o. Press rlre nounl firmly mro lhc sloi ensuring rnoi fhe gold rnos on me fax/mudcm are aligned wllh rhe
conneclors In ihe slor
7 lnserr llu: scrcw nno nghlcn sllghlly. Check lo ensure rlrnr rhe relephone jocks \n the back urine modem are
unobstructed lfsn, rhen llghmn me screw securely.
ls Replace lhe uompurer cover.
l.J.3 lnsrollrng Telephone Llnes
Yllc Flu Mmkm Ms ma mudulzr lclcphone Jacks on the back ullhe madam You wlll nerd m Cunllecl your
hlx ‘vludcm in (he: wall outllrl VlH ‘sl modular lclcphone cord
lf your \v.|ll oorler is llm r modular lypc, you can purchase an inexpensive canvcncr an mos! eleeironres or
phone olnlc) lr is mggcwlud rum you conneci your modem la n “dcdlcaled line" A dcdlculed hne is u regulnr
phone hne rlnn due-s nor go lhmugh a swllchbourd. PBX. ere.
You eun slso umncu u ielephone ser io your modem, i- ubllng you ro use rhe phone whcn rne modem is nor
H1 use The modem our. ulso be uscd as no aulodlalcr wllh your relephone scl ll rs reoommenrleu rhur you use r
single llnc phone llullcl flu I l) llowevor. you can use u lwo-lrne (RH-1) phone line, nor rhe modern Will only work
on ihe llrsr lrne using rho renrsr pull“ ofwrres.
ro (linllm rin- relephone llm: m rhe rnrnlurn follow ihese su-ps
I |Il\\.‘1ll)l\l.' unll AJI'Ihn plums; lm: lnlo lllcjdtk on (In: mudqm Llhulcd Lint (it Will!
1 lnsen lhu ulllci enu ofrhe phone line inlo lhc nhoueyocklusunlly locored on ihe euili.
lryou wlhll ro use: .i phone in Calumlctloll wuh your mndum, plenso follow rhese sreps
l linen rhe- lun- horn ilie pllmlc lmo rhe rnoiloniyneh Inhale-l] Phone.
Mulls: hurt llul (ll: Ulln‘f cud nflllc phone llnc lo cullnmlcd lo lllc leluphonc
PJL’C 1
Summary
Hardware MmualSummary
This manual offers you Information on the Sclling up and installing ol‘ fat/modems. I! is wrincn
for both first-time users as well as users who may already have LI familiarily with fax/modems or other
computer peripherals. Because lhis manual is used for several products, some pans ofit may not apply
to your purchase.
lfyou are not familiar with the Ierminology. please referm the Glossary in Appendix G,
Chapter I,
Chapter 2.
Chlpler 3,
Appendix A,
Appendix B,
AppendixG,
Appendix 5,
Appendix T,
"Infernal F Modem Insmllariun". pmvndcs step by step mstmciions on the set up of your
fax/modem, Topics include selecting COM ports, connecting telephone cables, and the
testingofihe fax/modem
"External F ar/Mfldem Installali‘on". provtdes step by step insiructionstsnthc SM upof your
fax/mndemr Topics include selecling COM purist connecting lelephanc cables, and the
teslingoflhe fax/modem.
"Using the Fax/Madam". discusses the option ofconirolling oflhe fax/modem through
commandsolherlhanihose gcncmledbythe includcd software.
"Quick Referenct", lisls AT commands summaries and S-Regisler Summaries for Ihc
variousmodelsthismunualcovcrs
"Regulnfmy lnjarman‘an", liSlS important FCC mlbrmmion.
"Glassuq'". lists common data communication terms used in this manual.
s technical specifications ofmodels covcredby this manual
"Specifications"
" Trnubll’shaling" , discusses possible configuration problems and solutions with Ihe modem.
i’ugc l

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