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ZyXEL Communications 56K Plus Series - page 1
Omni 56K Plus Series DATA/FAX Modem User’s Guide Version 1.0.0 July 2004 ...
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ZyXEL Communications 56K Plus Series - page 2
Omni 56K Plus Series User’s Guide ii Copyright Copyright Copyright © 2004 by Zy XEL Communications Corporation. The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into any language , or transmitted in any form or by any m eans, electronic, mechanical, magnetic, ...
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ZyXEL Communications 56K Plus Series - page 3
Omni 56K Plus Series User’s Guide FCC Statement iii Federal Communications Commission (FCC) Interference S t atement This device complies with Part 15 of FCC rules. Op eration is subject to the following two conditions: This device may not cause harmful interference. This device must accept any interference received, including interference that m ...
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ZyXEL Communications 56K Plus Series - page 4
Omni 56K Plus Series User’s Guide iv ZyXE L Limited Warranty ZyXEL Limited W arranty ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in materials or workmanship for a period of up to two years from the date of purchase. During the warranty period, and upon proof of purc hase, should the product have ...
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ZyXEL Communications 56K Plus Series - page 5
Omni 56K Plus Series User’s Guide Customer Support v Customer Support When you contact your customer support representati ve please have the following information ready: Please have the following information read y when you contact customer support. • Product model and serial number. • Warranty Information. • Date that you received your dev ...
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ZyXEL Communications 56K Plus Series - page 6
Omni 56K Plus Series User’s Guide vi Table of Content T able of Content s Copyright ................................................................................................................................................ii Federal Communications Commission (FCC) Interference Statement .......................................... iii ZyXEL L ...
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ZyXEL Communications 56K Plus Series - page 7
Omni 56K Plus Series User’s Guide List of Tables vii List of T ables Table 2-1 Hardware Specification ............................................................................................... ......... 2-1 Table 2-2 Firmware Specification ............................................................................................... ....... ...
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ZyXEL Communications 56K Plus Series - page 8
Omni 56K Plus Series User’s Guide viii Preface Preface About This User's Manual Congratulations on your purchase of the ZyXEL Om ni 56K USB Plus or Omni 56K COM Plus modem. This manual is designed to provide general inform atio n for Omni 56K USB Plus and Omni 56K COM Plus modems and advanced information for techni cal users who might need t ...
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ZyXEL Communications 56K Plus Series - page 9
Omni 56K Plus Series User’s Guide Preface ix • Mouse action sequences are denoted using a co mma. For example, “click the Apple icon, Control Panels and then Modem ” means first click the Apple icon, then point your mouse pointer to Control Panels and then click Modem . • For brevity’s sake, we will use “e.g.” as a shortha nd for ? ...
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ZyXEL Communications 56K Plus Series - page 10
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ZyXEL Communications 56K Plus Series - page 11
Omni 56K Plus Series User’s Guide Introduction 1-1 Chapter 1 Introduction This chapter introduces you to the features and specifications for the ZyXEL Om ni 56K USB Plus and Omni 56K COM Plus modems. 1.1 ZyXEL Omni 56K Plus modem Overview The Omni 56K USB Plus or Omni 56K COM Plus is an analog Data/Fax m odem used for Internet access via PSTN lin ...
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ZyXEL Communications 56K Plus Series - page 12
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ZyXEL Communications 56K Plus Series - page 13
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-1 Chapter 2 Specifications and Function Description This chapter introduces the specificat ions and functions of the Om ni 56K Plus. This chapter and the next three chapters are designed for advanced users who might need more information about the Omni 56K Plus modem&apos ...
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ZyXEL Communications 56K Plus Series - page 14
Omni 56K Plus Series User’s Guide 2-2 Specific ations and Function Des cription Table 2-2 Firmware Specification Link layer MNP 3-4 MNP 5 V42 V42bis V.44 Flow Control Hardware flow control: RTS/CTS Software flow control: XON/XOFF Command set Full AT command set Dialing type: DTMF/Pulse Diagnostics Power-on self-test Analog loop-back test Analog l ...
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ZyXEL Communications 56K Plus Series - page 15
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-3 ITU-T V.17 ITU-T V.29 ITU-T V.27ter ITU-T V.21 Error Control and Data Compression ITU-T V.44 ITU-T V.42 ITU-T V.42bis MNP3-5 Co mmand Set Standard command set EIA Class 1 Fax Command set EIA Class 2 Fax Command set ...
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ZyXEL Communications 56K Plus Series - page 16
Omni 56K Plus Series User’s Guide 2-4 Specific ations and Function Des cription Table 2-3 Feature Descri ption FEATURE DESCRIPTION Data 2W Dial-Up Line Multi-auto/ V.92/V.90/V. 34/V.32bis/V.32/V.22bi s/V.22/V.2 1/Bell 103 Hardware/Software Flow Control Error Control/Data Compression ZyXEL AT Command Set External Plug and Play for Windo ws 95/98/9 ...
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ZyXEL Communications 56K Plus Series - page 17
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-5 Table 2-4 Physical Layer Capacity STANDARD BIT RATE [BPS] BAUD RATE [BAUD] MODULATION CARRIER FREQUENCY [HZ] V.32 uncoded 9600 2400 16-QAM 180 0 V.32 4800 2400 4-DPSK 1800 V.23 1200/75 1200/75 FSK V.23 600/75 600/75 FSK V.22bis 2400 600 16-QAM 1200 Call 2400 Ans V.22 (B ...
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ZyXEL Communications 56K Plus Series - page 18
Omni 56K Plus Series User’s Guide 2-6 Specific ations and Function Des cription 2.5.6 Dat a Compression In the modem, the data compression is activated in an attempt to reduce the number of bits actually sent. The receiving modem applies these techniques in reverse to recover the actual data from the compressed data stream. Omni 56K Plus modems s ...
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ZyXEL Communications 56K Plus Series - page 19
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-7 TIME: <MM-DD hh:mm> CALLER NUMBER: <CALLER_ID> or CALLER NAME:<CALLER_NM> RING MM is the two-digit month message, DD is the two- digit date m e ssage, hh is the hour and mm is the minute of the time, and CALLER_ID is the phone number of the caller or C ...
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ZyXEL Communications 56K Plus Series - page 20
Omni 56K Plus Series User’s Guide 2-8 Specific ations and Function Des cription Setting S48.0=1 will cause the modem to report CND inform ation in its ASCII coded hexadecimal raw data format. The DTE software is responsible for explaining the data. Please refer to the Bellcore T echnical Advisory document TR- NWT -000030 for the exact data fo ...
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ZyXEL Communications 56K Plus Series - page 21
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-9 security is used when the remote modem is also a ZyXEL modem; type 2 security is used when the remote modem is any other brand of m odem. With the type 1 connection, the dial-in (remote) modem will send in its supervisor password for checking at the initial connection h ...
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ZyXEL Communications 56K Plus Series - page 22
Omni 56K Plus Series User’s Guide 2-10 Specifications and Function De scription Before the security type or level can be changed, the modem requires the supervisor p assword. For type2 security, the remote site will be prompted to enter the user password. A maximum of 3 tries in 40 seconds is allowed. If a correct password is not entered with ...
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ZyXEL Communications 56K Plus Series - page 23
Omni 56K Plus Series User’s Guide Specifications and Function Description 2-11 quality. This algorithm can also be used to reduce the sp eech data rate to 1/3 or 1/4 of the original rate, but with voice quality degradation. Only 4-bit ADPCM is used in t he Omni 56K Plus. ...
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ZyXEL Communications 56K Plus Series - page 24
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ZyXEL Communications 56K Plus Series - page 25
Omni 56K Plus Series User’s Guide Result Codes 3-1 Chapter 3 Result Codes A result code is the command response or the connect message to the DTE. The format of the result code is dependent on Xn and Vn command .The result codes are shown in the following table. Table 3-1 Result Codes Result Code for ATV0 ATV1 X0 X1 X2 X3 X4 X5 X6 X7 0 OK 0 0 0 0 ...
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ZyXEL Communications 56K Plus Series - page 26
Omni 56K Plus Series User’s Guide 3-2 Result Codes Table 3-1 Result Codes Result Code for ATV0 ATV1 X0 X1 X2 X3 X4 X5 X6 X7 31 CONNECT624000 0 0 0 0 0 32 CONNECT124800 0 0 0 0 0 33 CONNECT 62400 0 0 0 0 X 34 CONNECT 41600 0 0 0 0 X 35 CONNECT 31200 0 0 0 0 X X X 36 CONNECT 24960 0 0 0 0 X 37 CONNECT 20800 0 0 0 0 X 38 CONNECT 33600 0 0 0 0 X X X ...
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ZyXEL Communications 56K Plus Series - page 27
Omni 56K Plus Series User’s Guide Result Codes 3-3 COMPRESSION : Compression Level CONNECT DTE Speed X5: CONNECT DTE Speed/Protocol Rx Rate/Error control level X6: CONNECT Rx Rate/ARQ X7: CONNECT Rx Rate/ARQ/Error control level Where ARQ denotes that A utomatic R etransmission re Q uest type of error control is enabled. ...
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ZyXEL Communications 56K Plus Series - page 28
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ZyXEL Communications 56K Plus Series - page 29
Omni 56K Plus Series User’s Guide Command Sets 4-1 Chapter 4 Command Sets This chapter lists the command set the Omni 56K Plus supports. These commands include data command sets, fax command sets and voice command sets. 4.1 Dat a command sets The basic AT command sets and extended AT& co mmand sets are shown in the following tables. 4.1.1 Bas ...
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ZyXEL Communications 56K Plus Series - page 30
Omni 56K Plus Series User’s Guide 4-2 Command Sets Table 4-2 AT Command Sets Requiring an "AT" Prefix COMMAND OPTIONS FUNCTION & DESCRIPTION REF. W Wait for the second dial tone. Remaining digi ts will be dialed as in-band DTMF. DL Dials the last-diale d number. DS n n=0-3 Dial the number stored in non- volatile RAM at location &apo ...
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ZyXEL Communications 56K Plus Series - page 31
Omni 56K Plus Series User’s Guide Command Sets 4-3 Table 4-2 AT Command Sets Requiring an "AT" Prefix COMMAND OPTIONS FUNCTION & DESCRIPTION REF. Sr? Display value stored in S-re gister 'r' T Tone dial S23.1 UPX Download firmware to the Flash EPROM b y using Xmodem protocol. V n Sets displ ay type for Result Codes. S23.6 V ...
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ZyXEL Communications 56K Plus Series - page 32
Omni 56K Plus Series User’s Guide 4-4 Command Sets Table 4-3 Extended AT& Command S ets COMMAND OPTIONS FUNCTION & DESCRIPTION REF. &Gn Guard tone opt ions S28.4-5 &G0 * No guard tone (within USA, Canada). &G2 1800 Hz guard tone. &Hn Data flow control, DTE/DCE. S27.3-5 &H0 Flo w control disabled. &H3 * Hardware (CT ...
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ZyXEL Communications 56K Plus Series - page 33
Omni 56K Plus Series User’s Guide Command Sets 4-5 Table 4-3 Extended AT& Command S ets COMMAND OPTIONS FUNCTION & DESCRIPTION REF. &N65 V.34 21600 &N66 V.34 19200 &N67 V.34 16800 &N68 V.34 14400 &N69 V.34 12000 &N70 V.34 9600 &N71 V.34 7200 &N72 V.34 4800 &N73 V.34 2400 &N99 V.90 28000 &N98 V.9 ...
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ZyXEL Communications 56K Plus Series - page 34
Omni 56K Plus Series User’s Guide 4-6 Command Sets Table 4-3 Extended AT& Command S ets COMMAND OPTIONS FUNCTION & DESCRIPTION REF. &R0 CT S tracks RTS, response delay is set in S26. &R1 * Ignore RTS, assumes RTS always ON. &Sn Data Set Ready (DSR) function selection. S21.3 &S0 * DSR overridden, DSR always ON. &S1 DSR ...
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ZyXEL Communications 56K Plus Series - page 35
Omni 56K Plus Series User’s Guide Command Sets 4-7 Table 4-4 Extended AT* Command Sets COMMAND OPTIONS FUNCTION & DESCRIPTION REF. *C3 8-bit character length *Dn n=0-3 Set default dial pointer at telephone d irectory location 'n.' S29 *D0 * (See also S35. 4 and S38.0) *En Modem error contro l negotiation. S21.0 *E0 * if error contro ...
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ZyXEL Communications 56K Plus Series - page 36
Omni 56K Plus Series User’s Guide 4-8 Command Sets Table 4-4 Extended AT* Command Sets COMMAND OPTIONS FUNCTION & DESCRIPTION REF. *Q3 Disconnect if signal quality is poor. *T Recall the last CND (Caller ID) information. S40.2 *V Views password table. 4.1.4 Extended A T# Command Sets Table 4-5 Extended AT# Command Sets COMMAND OPTIONS FUNCTIO ...
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ZyXEL Communications 56K Plus Series - page 37
Omni 56K Plus Series User’s Guide Command Sets 4-9 Table 4-7 The Value of <MOD> Parameters VALUE MODULATION SPEED 74 V.17 short train 7200 96 V.29 9600 97 V.17 9600 98 V.17 short train 9600 121 V.17 12000 122 V.17 short train 12000 145 V.17 14400 146 V.17 short train 14400 4.2.2 Service Class 2 Commands The following Class 2 commands are su ...
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ZyXEL Communications 56K Plus Series - page 38
Omni 56K Plus Series User’s Guide 4-10 Command Sets Table 4-9 Supported Commands (per TIA PN2388 8/20/90) COMMAND DESCRIPTION V ALUE Only check 1D phase C data. n=1 Check both 1D and 2D phase C data. n=2 +FCR= n "Capability to receive" param eter DCE will not receive message data or poll a remote devic e. n=0 DCE receives message data o ...
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ZyXEL Communications 56K Plus Series - page 39
Omni 56K Plus Series User’s Guide Command Sets 4-11 Table 4-9 Supported Commands (per TIA PN2388 8/20/90) COMMAND DESCRIPTION V ALUE +FDR Receive phase C data command; in iti ates document reception. +FDT=df,vr,wd, ln Transmit phase C data command: releas e the DCE to proceed with negotiation. +FET=n End of page or docume nt command: More pages; ...
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ZyXEL Communications 56K Plus Series - page 40
Omni 56K Plus Series User’s Guide 4-12 Command Sets Table 4-9 Supported Commands (per TIA PN2388 8/20/90) COMMAND DESCRIPTION V ALUE Page bad; procedure inte rru pt requested. n=4 Page good; procedure interru pt requested. n=5 +FREL=n Phase C receiv ed EOL alignment: The EOL patterns are bit aligned as rec eived. n=0 The last received bits of EOL ...
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ZyXEL Communications 56K Plus Series - page 41
Omni 56K Plus Series User’s Guide Command Sets 4-13 Table 4-10 Class 2 Command Responses RESPONSE VALUE FUNCTION AND DESCRIPTION +FPOLL Remote poll ing indication. +FPTS:n Receiv e page transfer status response; refer to +F PTS=n command. +FTSI:"string" Report remote ID response TSI. +FVOICE T ransition to Voice response. Class 2 Flow C ...
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ZyXEL Communications 56K Plus Series - page 42
Omni 56K Plus Series User’s Guide 4-14 Command Sets Table 4-11 Service Class 2.0 Commands COMMAND DESCRIPTION VALUE Page Width wd=0:17 28 pixels in 215mm wd=1:2048 pixels in 255mm wd=2:2432 pixels in 303mm Page Length ln=0:A4;297mm ln=1:B4;364mm ln=2:unlimited length Data Compression Format df=0:1-D df=1:2-D Error Correction ec=0:Disa ble Binary ...
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ZyXEL Communications 56K Plus Series - page 43
Omni 56K Plus Series User’s Guide Command Sets 4-15 Table 4-11 Service Class 2.0 Commands COMMAND DESCRIPTION VALUE nsr= 1:Non-standard frames are reported. +FIE=n Proced ure Interrupt parameter n=0:Disable n=1:Enable +FPS=n Page Transfer Status n=1:Received page is good. n=2:Page is bad; retrain is requested. n=3:Page is good; retrain is request ...
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ZyXEL Communications 56K Plus Series - page 44
Omni 56K Plus Series User’s Guide 4-16 Command Sets Table 4-11 Service Class 2.0 Commands COMMAND DESCRIPTION VALUE +FAA=n Adaptive Answer Mode n= 0:Answers as set by +FCLASS n=1:Answers and auto- determines the call type. +FCT=n Phase C Timeout n=0-ffh,1 sec units +FMS=n Minimum Phase C Spee d n=0:2400 bps n=1:4800 bps n=2:7200 bps n=3:9600 bps ...
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ZyXEL Communications 56K Plus Series - page 45
Omni 56K Plus Series User’s Guide Command Sets 4-17 Table 4-12 Voice AT Commands COMMAND FUNCTION OPTION DEFAULT DESCRIPTION +VGR Set the gain for the received voice sample. 0 0 0: Automatic gain co ntrol(AGC) +VGT Set the gain for the transmitted voice sample. 0-255 128 0: Silence 1-255: The larger the value, the louder the voice will be. +VLS S ...
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ZyXEL Communications 56K Plus Series - page 46
Omni 56K Plus Series User’s Guide 4-18 Command Sets Table 4-12 Voice AT Commands COMMAND FUNCTION OPTION DEFAULT DESCRIPTION +VTS= x,x… DTMF Tone Generation x:0-9,*,#, A-D NA x: DTMF digits (0-9,*,#, A,B,C,D) Duration:+VTD setting. (in 10ms unit) +VTD Set default duration of DTMF tone. 1-255 100 Unit: 0.01 sec ond. +VIT Inactivity timer. 0-255 ...
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ZyXEL Communications 56K Plus Series - page 47
Omni 56K Plus Series User’s Guide Command Sets 4-19 4.6 S-Register Descriptions In most bit-mapped S-registers, the default bit va lue is 0. Non-0 default values are followed by an asterisk. In some cases, default values are shown in the reference column preceded by +. Some bits are reserved for factory use and should not be changed. S-Regist ...
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ZyXEL Communications 56K Plus Series - page 48
Omni 56K Plus Series User’s Guide 4-20 Command Sets Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 0,1 0 0 Even parity 1 1 Odd parity 2 2 No parity * 2 0 0 1 stop bit * 4 4 2 stop bits 4,3 0 0 10 bit char acter length *C0* 8 8 11 bit characte r length *C1 16 10 9 bit character length *C2 24 18 ...
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ZyXEL Communications 56K Plus Series - page 49
Omni 56K Plus Series User’s Guide Command Sets 4-21 Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 0 0 23040 0 bps 1 1 115200 bps (D efault) * 2 2 76800 b ps 3 3 57600 b ps 4 4 38400 b ps 5 5 19200 b ps 6 6 16800 b ps 7 7 14400 b ps 8 8 12000 b ps 9 9 9600 bps 10 A 7200 bps 11 B 4800 bps 12 C ...
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ZyXEL Communications 56K Plus Series - page 50
Omni 56K Plus Series User’s Guide 4-22 Command Sets Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 2 2 Speaker is ON until carri er is detected. (Default) M1* 4 4 Speaker is al ways ON. M2 6 6 Speaker is ON after last digit i s dialed out until carrier detected. M3 3 0 0 DSR is al ways ON. (De ...
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ZyXEL Communications 56K Plus Series - page 51
Omni 56K Plus Series User’s Guide Command Sets 4-23 Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 6-4 16- 112 10-70 Speaker volume control, increments of 32 in decimal value. L0-7 S25= 0-255 0-FF Specif y the time delay that DTR signal needs to be OFF before it will be recognized, in 10 ms un ...
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ZyXEL Communications 56K Plus Series - page 52
Omni 56K Plus Series User’s Guide 4-24 Command Sets Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 7 0 0 Select V.22 for 1200 bps communication B0* 128 80 Select Bel l 212A for 1200 bps communication B1 S29= 0-49 0-31 Set default dial phone number pointer, use A T&Zn=s to store phone numbe ...
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ZyXEL Communications 56K Plus Series - page 53
Omni 56K Plus Series User’s Guide Command Sets 4-25 Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. 6 64 40 Enab les type 4 ring detection. S41= bit dec hex Bit mapped register. +000 0 1 1 Special MNP compatibility. (see also S27.0, S38.5) &Kn 3 8 8 Enab le CCITT signals 140 and 141 on EIA- ...
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ZyXEL Communications 56K Plus Series - page 54
Omni 56K Plus Series User’s Guide 4-26 Command Sets Table 4-16 Extended S-Registers "ATSn=x" COMMAND BIT DEC HEX FUNCTION AND DESCRIPTION REF. S46= dec hex CND sil ence detection interval. +028 0-255 0-FF T o process the CND, silence must be detected for the specified interval, in 20 ms units. S48= bit dec hex Bit-mapp ed register. +000 ...
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ZyXEL Communications 56K Plus Series - page 55
Omni 56K Plus Series User’s Guide Firmware Upgrade 5-1 Chapter 5 Firmware Upgrade You can upgrade modem firm ware either by using th e software utility provided in the CD-ROM that comes with your modem package, or by terminal em ulation program such as Bitware or Hyperterminal. To obtain the latest firmware version, please go to ZyXEL's webs ...
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ZyXEL Communications 56K Plus Series - page 56
Omni 56K Plus Series User’s Guide 5-2 Firmware Upgrade 5. Follow the upload wizard to complete upgrade pr ocess. After finishing, you may use your modem again. 5.2 Upgrading by T erminal Emulation Program To upgrade modem firmware by terminal emulati on program, you need a terminal emulation program first, such as Bitware or Hyperterminal (Window ...
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ZyXEL Communications 56K Plus Series - page 57
Omni 56K Plus Series User’s Guide Firmware Upgrade 5-3 5. Type in atupx it will show a message in the next screen. ...
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ZyXEL Communications 56K Plus Series - page 58
Omni 56K Plus Series User’s Guide 5-4 Firmware Upgrade 6. Be sure you have the new firmware file on hand, then enter Y . The term inal will response as shown next. Remember that you must decompress compr essed (.zip) files before you can upload them. 7. Click the Send icon to display the Send file – Select Protocol screen. Select Xmodem and cli ...
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ZyXEL Communications 56K Plus Series - page 59
Omni 56K Plus Series User’s Guide Firmware Upgrade 5-5 9. After the firmware upload process has completed, you can use the modem again. 5.2.2 Upgrading Using HyperT erminal Example 1. Open the HyperTerminal program in Windows. For example, in Windows 2000 click Star t , Programs , Accessories , Communications , HyperTerminal . ...
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ZyXEL Communications 56K Plus Series - page 60
Omni 56K Plus Series User’s Guide 5-6 Firmware Upgrade 2. Enter a descriptive name and select an icon in the Connection Description screen. Click OK to display the Connect to screen. 3. Select the COM port to which the modem is connected. Click OK to continue. 4. In the COM Properties screen, click OK after configuring the following parameters: ? ...
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ZyXEL Communications 56K Plus Series - page 61
Omni 56K Plus Series User’s Guide Firmware Upgrade 5-7 5. Type in atupx it will show a message in the next screen. ...
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ZyXEL Communications 56K Plus Series - page 62
Omni 56K Plus Series User’s Guide 5-8 Firmware Upgrade 6. Be sure you have the new firmware file on hand, then enter Y . The term inal will response as shown next. Remember that you must decompress compr essed (.zip) files before you can upload them. 7. Click Transfer , then Send File to display the Send File screen. ...
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ZyXEL Communications 56K Plus Series - page 63
Omni 56K Plus Series User’s Guide Firmware Upgrade 5-9 8. Choose the Xmodem protocol. Type the firmware file’s location, or click Browse to search for it. Then click Send . 9. After the firmware upload process has completed, you can use the modem again. ...
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ZyXEL Communications 56K Plus Series - page 64
Omni 56K Plus Series User’s Guide 5-10 Firmware Upgrade ...
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ZyXEL Communications 56K Plus Series - page 65
Omni 56K Plus Series User’s Guide Index i Index 4 4-bit V oice Data Compression ................... 2-10 B Basic A T Co mmand Sets.............................. 4-1 C Caller ID ............................................... 2-6, 4-8 Caller Number Delivery .............................. 2-6 Capability ............................................. ...
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ZyXEL Communications 56K Plus Series - page 66
Omni 56K Plus Series User’s Guide ii Index V oice A T Commands .................................. 4-16 V oice Function ........................................... 2-10 V oice IS-101 Command Set ....................... 2-10 V oice Shield DTE Commands ................... 4-18 V oice Shield DTE Responses ..................... 4-18 W www .zyxel.com . ...
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