Multi-Tech Systems MT5600SMI-34 manuale d’uso

SocketModem Ô Embedded Modem MT5600SMI Family MT5600SM I-32 MT5600SM I-L32 MT5600SM I-P32 MT5600SM I-34 MT5600SM I-L34 MT5600SM I-XL34 MT5600SM I-P34 MT5600SM I-PL34 MT5600SM I-92 MT5600SM I-L92 MT5600SM I-XL92 MT5600SM I-P92 MT5600SM I-PL92 Developer’s Guide[...]

Copyrigh t and Te chni cal Supp ort Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 2 SocketModem Ô Deve loper's Guide MT5600SMI (MT5600SMI-32, M T5600SMI-L32, MT5 600SMI -P32, M T5600SMI-34, MT5 600SMI-L34, MT5600SMI-XL34 , MT5600SMI-P34, M T5600SMI-PL3 4, MT5600SMI -92, MT5600SMI-L9 2, MT5600SMI-XL92 , MT5600SMI-P[...]

Table of C ontent s Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 3 Contents Chapter 1 – Product D escrip tion and Speci ficati ons ............................................................................. ... 5 Introduction ..........................................................................................[...]

Table of C ontent s Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 4 Compatibi lit y C ommands ......................................................................................................... ............ 70 FastConnect Command s ...................................................................................[...]

Chapter 1 – Produ ct Des criptio n and Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 5 Chapter 1 – P r oduct Descr ipt ion and Specif icat ions Introduction The Mult i-Tec h Soc ketMo dem cre ates commu nicat ion-re ady de vices by in tegratin g da ta fun ctionali ty int o a single product desi gn. [...]

Chapter 1 – Produ ct Des criptio n and Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 6 Developer's Kit A Deve loper's Kit i s avail able. Th e seri al ki t allows you to plug in the SocketM odem a nd us e it a s a ser ial modem f or testi ng, progr amming, and e valuation . The parall el kit[...]

Chapter 1 – Produ ct Des criptio n and Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 7 Technical Specificat ions The Socke tModem meets the fo llowing s pecif icatio ns: Data Format Serial or para llel int erface Data V.92; V. 90, V. 34, V.32 bis, V. 32, V.2 2bis, V.22, V.23, V.21,B ell 212A & Be [...]

Chapter 2 – Mech anic al Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 8 Chapter 2 – Mechanic al Specif icat ions Physical Dimensions Figure 2–1. Maximum Compon ent Height[...]

Chapter 2 – Mech anic al Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 9 Serial Pin Configurations The serial inter face u se an 1 6-pin i nterface to prov ide an on- board D AA wi th tip and r ing connect ions, audio cir cuit for call- progr ess mon itoring and serial interf ace via logi c level s ig[...]

Chapter 2 – Mech anic al Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 10 Pin # Signal Name I/O Type Description 31 DTRIND DTR LED. Output from 74AC05 with 150 0 Ohms pull-up. 32 TXIND TX LED. Output from 74AC05 wit h 1500 Ohms pull-up. 33 –RTS I Request to Send. RTS signa l is used for hardware flo[...]

Chapter 2 – Mech anic al Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 11 Parallel Pin Configurations The paral lel in terface SocketM odem u ses a 22- pin in terfa ce to pro vide an on-bo ard DAA with ti p and ri ng conne ctions, a udio circuit for ca ll-pro gress monitor ing, and p aral lel inter fa[...]

Chapter 2 – Mech anic al Spe cificat ions Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 12 Pin # Signal Name I/O Description 32 –WT I Host Bus Write. When low, allows host to wr ite to Soc ketModem. 33 –RD I Host Bus Read. When low, allows hos t to read from SocketModem . 34 A2 I Host Bus Addre ss Line 2 35 D4 O H[...]

Chapter 3 – Electri cal Charac teristi cs Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 13 Chapter 3 – Electr ical Character ist ic s Handling Precautions All ele ctronic devi ces should b e hand led wit h cer tain pre cauti ons to avoid d amage d ue to t he accumul ation o f stat ic char ge. A lthough in put pr ote[...]

Chapter 3 – Electri cal Charac teristi cs Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 14 5V Serial SocketModem 5 Vdc C hara cter isti cs ( TA = 0 °C to 50 °C; V DD = 5 V ± 0.2 5 V) VDDM AX = 5. 25 V Digital Inputs –DTR (40), –TXD ( 35), –RTS ( 33), –R ESET ( 24) Input High Min 3.5 V Input Low Max .8 V Dig[...]

Chapter 3 – Electri cal Charac teristi cs Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 15 Current and Power Requirem ents Mode Ty p. Current (mA) Max. Current (mA) Ty p. Power (mW) Max. Power (mW) +3.3 V Configuration (VDD = +3 .3 V) Normal M ode (Serial inter face) 115 116 0.38 0.41 +5 V Configuration (VDD = +5 V) N[...]

Chapter 3 – Electri cal Charac teristi cs Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 16 Parallel Host Bus Timing Parallel Host Bus Ti ming Table Symbol Paramete r Min Max Units READ (See Notes) t AS Addres s Setup 5 - ns t AH Addres s Hold 10 - ns t CS Chip Se lect Setup 0 - ns t CH Chip Se lect H old 10 - ns t RD [...]

Chapter 3 – Electri cal Charac teristi cs Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 17 Parallel Host Bus - Read Parallel Host Bus - Wri te[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 18 C h a p t e r 4 – S o c ke t M o d e m Para l l e l Inter f ac e – A P r og rammer’s Descrip t ion SocketModem Parallel Interface The mode m suppor ts a 1 6550A int erfa ce in p[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 19 Table 4–1. P arallel Interfa ce Registers BIT No. Register No. Register Name 7 6 5 4 3 2 1 0 7 Scratch Regis ter (SCR) Scratch Regis ter 6 Modem St atus Register (MSR) Data Carrier [...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 20 Register Signal Definitions IER – In terru pt Enable Registe r (Add r = 1, D LAB = 0) The IER e nable s five t ypes o f interr upts t hat ca n separ ately assert the HINT output si [...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 21 FCR – FIFO C ontrol Regis ter (Addr = 2, Write Only) The FCR is a write- only regi ster u sed to enable F IFO mo de, clear t he R X FIFO a nd TX FIF O, enab le DMA mode, a nd set th[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 22 IIR – Interrupt Ide ntifier Regis ter (Addr = 2) The Interr upt Iden tifier R egist er (IIR) id entifi es the e xistenc e and typ e of up t o five pr iorit ized pend ing interru pts[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 23 LCR – Line Co ntrol Regi ster (Addr = 3) The Line Control R egist er (LCR) spe cifies t he for mat of the asyn chro nous data comm unic ation s exchange . Bit 7 Divisor Latch A cces[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 24 MCR – Modem Co ntrol Re gister (Addr = 4) The Mode m Control Register (MCR) control s the int erface w ith mo dem or da ta set. Bit 7-5 Not used Always 0 Bit 4 Local Loopback When t[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 25 LSR – Line Statu s Register (Addr = 5) This 8-b it regis ter pro vides st atus inf ormat ion to the host conc erning d ata tr ansfer. Bit 7 RX FIFO Error In the 16450 m ode, this bi[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 26 MSR – Modem Stat us Register (A ddr = 6) The Mode m Statu s Regist er (MS R) repor ts cur rent st ate and chan ge infor mation of the m odem. Bits 4-7 supp ly curr ent stat e, and b[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 27 SCR – Scratch Re gister (Addr = 7 ) The Scrat chpad Reg ister i s a read-wr ite re gister at lo cation 7. T his r egister is not us ed b y the mode m and can be used by the ho st fo[...]

Chapter 4 – Socket Modem P arall el Interf ace – A Progr ammer' s Des criptio n Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 28 Receiver FIFO Interrupt Operation Receiver Data Av ailable Interrupt When th e FIFO m ode i s enabled (F CR0 = 1) and r ece iver inter rupt ( RX Data Ava ilable) is enab led (IER0 = 1[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 29 Cha pte r 5 – A T C ommand s , S - R eg isters , and R esult Codes Introduction The AT co mmand s ar e used to contr ol the operati on of your mode m. They are ca lled AT command s because t he ch aract ers AT[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 30 Data Commands The mode m will r espond to the c ommands detail ed below . Para meter s applicab le to e ach com mand ar e listed wi th the comma nd descri ption. Generic Modem Control Command s Command: Z Soft R[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 31 Command: N Operating Mode - Erro r Cor rection Descriptio n: Contro ls the preferre d error -corre cting mode to be negot iated i n a subseque nt data conne ction . This comma nd is affected by the OEM firmware[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 32 Comman d +GMM Request Mo del Iden tifica tion Descriptio n: Cause s the mode m to re port the modem product. Typica l Res ponse: +GMM : V9 2 Command: +GMR Request Revision Identificati on Descriptio n: Cau ses t[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 33 Command: &T Local Analog Loopback Test Descriptio n: The m odem wi ll perf orm the local analo g loop back test if &T1 i s sele cted. The test can be run onl y when in an asyn chronou s oper atio n in no[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 34 Command %8 Plug and Play Vendor ID and P roduct Number Descriptio n: Set s and stor es Ven dor ID and prod uct nu mber for seria l Plug a nd Play and for IS A Pl ug and Pl ay whi ch u se the Cone xant 1 1596 P l[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 35 7. After the FL M has be en load ed, if uploa ding new f irmware to the modem, perform an XMO DEM up load of the new modem firmware hex file (e.g. , 206s471 2.S37) from th e host computer to th e modem R AM usin[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 36 DTE-Mode m Interfac e Command s The paramet ers define d in this sectio n control the oper atio n of the interface betw een the DTE and modem. Command: E Command Echo Descriptio n: The m odem en able s or di sab[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 37 Command: X Extended Result Codes Descriptio n: Selec ts the subset o f the r esult c ode me ssages used by the mo dem to inform th e DTE of t he re sults of comm ands. Blin d dialing is enab led or disabled by c[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 38 Command: &C RLSD ( DCD) Option Descriptio n: The m odem contr ols th e RLSD outp ut in a ccorda nce with t he param eter supplied . The parameter val ue, if valid, is writt en to S21 bit 5. Default: 1 Define[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 39 Command: &R RTS/CTS Option Descriptio n: This select s how t he mod em con trol s CTS. CT S operati on i s modifie d if hardware flow control is se lecte d (see &K command) . The param eter value, if val[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 40 Command: +IFC DTE-Modem Local Flow Control Descriptio n: Thi s extende d-forma t compoun d par ameter control s the o peration of lo cal flow contr ol bet ween the DT E and th e mode m dur ing the dat a stat e w[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 41 Call Contr ol Comman ds Command: D Dial Descriptio n: Direc ts the modem to go on-li ne, dial accor ding to the stri ng entered and attempt t o establ ish a co nnect ion. If n o dia l string i s supp lied, th e [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 42 of silence before the expir ation o f the cal l abort t imer (S7), t he modem w ill termin ate the call attempt with a NO ANS WER me ssage. If busy de tecti on is ena bled, t he mod em ma y termin ate the call w[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 43 Command: A Answer Descriptio n: The m odem wi ll go off- hoo k and attem pt to an swer an inco ming call if corre ct cond itions are m et. Upon succe ssful c omplet ion of answer handshak e, the m odem w ill go [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 44 Command: L Speaker Volume Descriptio n: Set s the spe aker volume control . The parameter valu e, if v alid, i s written to S22 bits 0 and 1. Default: 1 Defined Value s: L0 Low volum e. L1 Low volum e. (Defau lt[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 45 Command: &V Display Current Configuration and Stored Pro files Descriptio n: Report s the current ( acti ve) conf igurati on, the stor ed (us er) prof iles, and the first four store d tele phone n umber s. T[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 46 Command: &V1 Di splay Last Connection Statistics Descriptio n: Displ ays the last conne ction stat istic s in the fo llowing fo rmat ( shown wit h typic al re sult s): TERMIN ATION R EASO N LOCAL REQU EST LA[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 47 Command: V Si ngle Line Connect Message Enable Descriptio n: Ena bles or disables the s ingle-l ine connect messag e format as follow s: Default: None Defined Value s: V 0 Connect messages are contr ol led by [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 48 Command: –STE= Set Telephony Extension Descriptio n: Enables/ disab les Lin e-In-Us e, Exten sion Pickup, an d Remot e Hangu p detection feat ures. Note: Addition al hardwar e ma y be re quired to supp ort the[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 49 Case 2: Telephone Line i s in Use but Disconnected If an ATDT, ATDP or ATDL is i ssued while Line- In-Use det ectio n is enabled an d the te lepho ne line i s NOT in use, th e modem w ill g o off- hook after a s[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 50 An exten sion i s off-ho ok but ther e is silen ce on the line a nd the mod em tries to dial AT-ST E=3 ATDT555- 1212 Modem goe s off-hoo k NO DIAL TONE Modem is conne cted in data mode a nd remote mode m goes on[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 51 Modulation C ontrol Comma nds Command: +MS Modul ation Selection Descriptio n: This extended- format compo und par ameter c ontrol s the manner of operation of the modul ation cap abiliti es in the modem. It ac [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 52 <min_t x_rate > and <max_ tx_rate > Numer ic valu es which specif y the lowe st (<min_tx_r ate>) and hi ghest ( <max_tx _rate>) rate at which the modem may e stablish a tr an smit con nec[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 53 Command: +MR Modulation Reporting Control Descriptio n: This extended- format numer ic par ameter control s wheth er or not th e extend ed-form at +MCR:<car rier > and +MRR: <rate> inter mediat e res[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 54 Command: %U Select µ-Law or A-Law Codec Type Descriptio n: Sel ects µ- Law or A- Law codec ty pe for V.90 and 56K mo dulat ion. This comm and al so st ores th e select ed set ting d ire ctly to NV RAM. Default[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 55 Error Control Commands Command: +ES Error Control and Synchronous Mode Selection Descriptio n: Th is exten ded-for mat c ommand specif ies th e init ial requ este d mode of operation when th e mode m is opera ti[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 56 +ES=6,, 8 Enable V.80 Synchr onou s Acce ss Mo de. +ES=3 Enable V. 42 with Detect ion P hase or iginat or. Dis able V.80 Synchrono us Acc ess Mod e origi nator. +ES=,,2 Allow LA PM, MN P, or N ormal M ode conn e[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 57 Command: +ER Error Con trol Reporting Descriptio n: This extended- format numer ic par ameter control s wheth er or not th e intermed iate res ult c ode is tran smitt ed from th e mode m to th e DTE. S95 bit 3 i[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 58 Command: B Transmit Break to Remote Descriptio n: In no n-error correct ion mo de, the modem w ill tra nsmit a break s ignal to t he remote mo dem wit h a le ngth in multipl es of 1 00 ms a ccor ding to par ame[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 59 Comman d: -K MNP E xtende d Serv ices Descriptio n: Ena bles or disables co nvers ion of a V.42 LAPM co nnection to an MNP 10 conne ction. The p aram eter va lue, if valid, is writte n to S4 0 bit s 0 and 1. Def[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 60 Data Compressio n Comma nds This sect ion c ontain s param eters to cond ition mod em us e of st andard IT U-T V.4 2bis Dat a Compr ession Procedure s. Command: +DS Data Compression Descriptio n: This extended- [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 61 <max_codew ord s_tx> Deci mal nu mber 25 6 to 20 48 that specifi es the maximum number of codewo rds wh ich sho uld be negoti ated in th e transm it directi on. (Defau lt = 2 048.) <max_codew ord s_rx&g[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 62 The format o f this result code is: Defined Value s: <type> An alp hanumer ic co de corre spond ing to the selecte d optio n: NONE Data compre ssion is not in u se. V42B V.42bis is in us e in both dire cti[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 63 V.8/V.8bis Commands Command: +A8E V.8 and V .8bis Operation Controls Descriptio n: This command is d efined for two cond ition s: as a parame ter whil e the modem is on-ho ok, and a s an a ction co mmand while t[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 64 Command: +A8I: CI Signal Indication Desc ript ion : Thi s indi cati on is issue d by an answe ring modem , if +A 8E,<v 8a> .0, to indicate detect ion of a V .8 CI s ignal, an d rep ort the r ecover ed Call[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 65 Diagnostic Comman ds Command: #UD Last Call Status Report Descriptio n: #UD is an action command requ esting l ogged o peration even ts report ing. It does not ta ke par amet ers and must b e the l ast com mand [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 66 Unless ot herwise noted, all va lues ar e hexa deci mal num bers. Any nu meric value s from ta bles in ITU V.58 are convert ed to he xadec imal. M ulti- digit value s are repor ted MSD firs t. Lead ing 0 ’s ma[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 67 55 0-FFFF Receiv ed characters los t (data overrun err ors to DTE) 56 0-FFFFFFFF Transmit I- Frame count, i f error control protocol runni ng 57 0-FFFFFFFF Received I-Frame count, i f error control prot ocol run[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 68 Table 5-1 0. error Contro l Active f rom 3.5. 2/V.58 Value Descript ion 0 Disable/n one 1 V.42 LAPM 2 V.42 Alt ernative prot ocol (MNP™) 80 MNP10™ Table 5-1 1. compres sionAct ive from 3.2.2/V. 58 Value Desc[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 69 Example Modem Re sponse and Usag e Example #UD co mmend res ponse ar e show n in T able 5-13 . Table 5-13. Completed Data Call, with some errors and rate retrain during the call Modem Response Line Descriptio n [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 70 Compatibilit y Comman ds Command: &L Leased Line Operation Descriptio n: Requ ests lea sed lin e or d ial-up oper atio n. This command is pro vide d for compat ibility only; no mode chang e is pe rforme d, d[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 71 FastConnec t Comm ands Command: $F FastConnect Control Descriptio n: Al lows conf igur ing of the clie nt mode m to c onnect to a centr al si te mode m that suppor ts n on-stan dard V.2 2 and V .22 bis F astC on[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 72 Command: +PMHR I nitiate Modem-on- Hold Descriptio n: Requ ests the modem t o initiat e or t o confir m a mo dem-on- hold pr ocedur e. The modem will return ERRO R if modem- on-ho ld is not enabled or if the mod[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 73 Command: +PIG PCM Upstream Ignore Descriptio n: Contro ls the sele ction of PCM up strea m in the modem. The actu al state of PCM upstr eam i s deter mined by the st ate of th is com mand a s well a s the state [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 74 Command: +PSS Use Short Sequence Descriptio n: Cau ses a ca lling mo dem to f orce either a V.92 sh ort or f ull st artup sequence as de fined by the +PQC com mand o n the nex t and s ubseq uent co nnect ions . [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 75 S-Registers Certain modem va lues, or parameters, ar e stored in me mory lo cations called S-regist ers. Use the S comm and to read or to a lter the cont ents of S-regi sters ( see previou s section). * Register[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 76 Register Unit Range Default Description S9 0.1 s 1–255 6 Carrier Detect Res ponse Time: Supported for backward compatibil ity only. No value can be written . Respond s with def ault value. * S10 0.1 s 1–255 [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 77 Register Unit Range Default Description S21 52 (34h) V.24/Genera l Bit-Mapped Options St atus: Indicat es the status of command op tions. Bits 0 - 1 Reserved (0) Bit 2 CTS behavior (&Rn) 0 = CTS tracks R TS [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 78 Register Unit Range Default Description S27 73 (49Ah) General Bit-Mapped Options St atus: Indicat es the status of command op tions. Default: 73 (49h) (01001001b) Bits 0, 1, 3 Synchrono us/async hronous se lecti[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 79 Register Unit Range Default Description S36 7 LAPM Failure Control: This value ind icates what shou ld happen upon a LAPM failure. These fallba ck options are initiate d immedia tely upon connec tion if S 48=128[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 80 Register Unit Range Default Description S41 195 (C3h) General Bit-Mapped O ptions Status. Indica tes the status of command op tions. * Default: 13 (C3h) (000 01101b) Bits 0 -1 Compress ion select ion (%C n) 0 = [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 81 Register Unit Range Default Description S86 0–26 21 Call Failure Indicatio n. W hen the modem i ssues a NO C ARRIER result code, a value i s written to S86 Register t o help deter mine the reason for the faile[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 82 Register Unit Range Default Description S210 0–255 13 (0Dh) V.34 Sy mbol Rate. The bits in this parameter contro l V.34 symb ols rate s and enable/d isable V .34 asymmetri c rates. T his parameter is used for [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 83 Result Cod es In command mode your modem can send re sponse s called re sult code s to your com puter. Res ult codes ar e used by communic ations progra ms and ca n also app ear on your monitor. Result Codes Sho[...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 84 Short Form Long Form 77 +ER: L APM 78 +M RR: 31200 79 +M RR: 33600 80 +ER: A LT 81 +ER: A LT -CELLULAR 83 LINE-IN-USE 84 CON NECT 33600 91 CON NECT 31200 134 +M CR: B 103 135 +M CR: B 212 136 +M CR: V 21 137 +M [...]

Chapter 5 – AT Com mands, S-Re gister s, and Result Co des Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 85 Short Form Long Form 196 +M RR: 29333 197 +M RR: 30667 198 +M RR: 33333 199 +M RR: 34667 200 +M RR: 37333 201 +M RR: 38667 202 +M RR: 41333 203 +M RR: 42667 204 +M RR: 45333 205 +M RR: 46667 206 +M RR: 49333 207[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 86 Chapter 6 – F ax C lass 1 and Class 1. 0 Com m a nd s Fax I/O Processing The f ax I/O inter face s upports as ynchron ous ser ial and paralle l int erfac es. T he charac ter form at is 8 bi t data, no par it y, and 1 s[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 87 Fax Mode Selection Fax Class 1 and F ax Class 1.0 c omm ands are id entif ied in T able 6- 1. Fax Class 1.0 incl udes all F ax Class 1 com m ands Table 6- 1. Fax Clas s 1 and F ax Class 1 .0 Comm ands Command/Parameter F[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 88 <DLE>< ETX> is ignored b y the m odem until th e m odem generates e ither the CONNECT , OK, or ER ROR resul t code. If no m ore data is in the tr ansm it buff er and the f inal b it was a 1 (bit 4 of the s ec[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 89 generates OK res ult code, a nd retur ns to c omm and mode. If the m odem detects a DT R drop while &D3 is in eff ect, the m odem perfor ms a warm reset. Fax Data Tra nsmission Fax data transm iss ion is init iated b[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 90 Commands and Parameters Mode Entry C ommands +FCLASS=1 Sel ect Facsimile Class 1 Mode +FCLAS S=1 se lects the Fax Clas s 1 Mo de. The F ax Class 1 Mo de comm ands and respo nses desc ribed in this s ection ar e ap plicab[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 91 Command: +FRS Recei ve Silence Descripti on: This c omm and causes the m odem to lis ten and r eport an O K res ult code when sile nce h as been d etecte d on th e line f or the spec if ied perio d of tim e. This comm an[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 92 Reporting Current or Selec ted Va lues: Comm and: +FT M? Response: +FT M: <m od> Exam ple: +FT M: 98 For V.17 9600 bps . Reporting Support ed Range of P aram eter Values : Comm and: +FT M=? Response: +FT M: (<m [...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 93 Command: +FRH Receive Data wit h HDLC Framing Descripti on: This c omm and causes the m odem to rec eive fram es using HDLC pr otocol and the m odulati on def ined belo w. An ERRO R respo nse cod e result s if this comm [...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 94 Service Class 1 Comm ands Command: +FAR A dapti ve Reception Control Descripti on: If Adapt ive Rece ption is enab led, the m odem adaptiv ely d etects th e se lected mess age carrier or V.21 con tro l mes sages. If the [...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 95 Command: +FDD Double Escape Character Replacement Descripti on: This par am eter conditions the use of the ˜DLE ˜˜˜SUB ˜ pair to enc ode consecuti ve <1/ 0 €<1/0 i n data. T his m ay be used to pre vent unb [...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 96 Command: +FPR Fixed DTE Rate Descripti on: This num er ic extended-f orm at param eter spec ifies the data r ate at which the modem will accept comm ands during on-l ine op eration. It m a y be used to select o peration [...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 97 Command: +FLO Fl ow Control Descripti on: This par am eter allows t he DTE t o iden tif y and select the t ype of f low contro l used. Syntax: +FLO =<m ethod> Defined Va lues : <method> Dec imal num ber corre[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 98 Examples Examples of calling (tra nsmitt ing) and an swering (re ceiving) on e page usi ng Fax Clas s 1 commands are show n in Table 6-4 and T able 6-5 , respectively . The ex amples show the inter change betw een the DT[...]

Chapter 6 – Fax Cl ass 1 and C lass 1.0 Comman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 99 Table 6- 5. Fax Clas s 1 Answering S equence ( Rece iving a Sin gle P age) DTE Com mands Modem Responses Local Modem A ction Rem ote Station Action Notes AT+FCLASS=1 OK Set Class 1 RING<- detect ringing dials [,send C[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 100 Cha pte r 7 – V oic e C ommand s Voice Commands Overview Voice c omm ands ar e identif ied in T able 7- 1. Table 7- 1. Voice Comm ands Command Function Configuration +FCLAS S Set Mode +VCID Caller ID (CID) +VNH Autom atic Hang- up contr o[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 101 <DLE> Shielded Event Co des Se nt to the DTE Table7-2 lists the supp orted <DLE> s hie lded co des s ent to th e DTE in the ex pressio n <DL E><cod e>. T he number in parenth esis i n the sec ond col um n corres pond[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 102 <DLE> Shielded Co des Sent to the M odem (D CE) Table 7-3 lists the sup ported <DLE> s hie lded cod es s ent to th e modem in the ex press ion <DL E><co de>. The num ber in par enth esis in the sec ond colum n c orre[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 103 Voice Configuration Commands Command: +FCL ASS=8 Select Voice Mode +FCLAS S=8 se lects the Voice Mode. T he Voic e Mo de comm ands and responses descr ibed in this s ection are a pplicab le when comm and +FCLAS S=8. ( See the G eneric Modem[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 104 Basic Voice Commands Command: +VIP Voice Initialize A ll Parameters Descripti on: his com m and causes the modem to init iali ze all v oice param eters to th eir default va lues. Sy ntax: + VIP Result Code: OK ERROR If not in V oice Mode . [...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 105 Reporting Support ed Range of P aram eter Values : Comm and: +VT S=? Response: (<fr eq1> ran ge), (<f req2> ra nge), ( <dur> ran ge) Exam ple: (200-3 000),( 200-3000) ,(0-2 55) OK Result Cod es: O K Valid com m and. ERROR [...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 106 Command: +VGT Voice Gain Transmit (Play back Volume) Descripti on: This c omm and causes the m odem to s et the volu me lev el. Sy ntax: + VGT=<l evel > Defined Va lues : <level> Dec im al number corr esponding t o the v olum e [...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 107 Command: +VLS A nalog Source/Destination Selection Descripti on: This c omm and causes the m odem to s elect one or mor e sourc e/destinat ions of the anal og data. Sy ntax: + VLS=<l abel > Defined Va lues : <label> Decim al num[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 108 Label Primitives Description +VTX +VRX +VSP=1 Local phone conne cted to the li ne. 9 S1T External Speak er connecte d to the lin e. DCE off-hoo k. DCE connect ed to the lin e. Local p hone provid ed with pow er to detect hook condit ion. XX[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 109 Table 7- 6. Event s Detect able in the Vo ice M ode p er V.253 Event Number Event Description Event Reporting 0 Caller Id Report Message 1 DID Report Message 2 Distinctive R inging Pattern 3 RING Simple 4 DTMF Received Simple 5 Receive Buff[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 110 Command: +VRA Ringback Goes A way Timer Descripti on: This c omm and sets the lengt h of tim e the m odem will wait betwee n ringbac ks during c all orig inatio n befor e the m odem can as sume that th e rem ote stati on has gone of f- hook[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 111 129 Sets m or e aggressi ve lo ng-term silenc e detect ion in depend ent of presence or use of sile nce com pres sion. <sdi> D ecim al num ber s pecif ying the requ ired period of s ilence, i n units of 0. 1 second, b efore the m odem[...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 112 Command: +VTD Beep Tone Duration Timer Descripti on: This c omm and causes the m odem to set the d efault DT MF/to ne gen eration duration. Syntax: +VT D=<dur > Defined Va lues : <dur> Decim al num ber s pecif ying the def ault [...]

Chapter 7 – Voice C omman ds Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 113 Command: +VDT Control Tone Cadence Reporting Descripti on: his com m and is inclu ded f or com patibilit y onl y and has no ef fect other than returning a result code. This comm and allows the m odem to ena ble or disab le reporti ng of th [...]

Chapter 8 – Setting C ountr y Code s Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 114 C ha p t er 8 – S e t t i n g Co u nt r y Cod e s The Default Country Code is B5. If You Want to Change the Country Code 1. View the L ist of A vailabl e Countr y Codes b y execut ing th e comm and AT+G CI=? <CR > 2. Set and[...]

Append ix A – M echan ical Deta ils Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 115 Appendix A – Mech anical Det ail s Test/Demo Board Components[...]

Append ix A – M echan ical Deta ils Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 116 5V / 3.3V Jumper – JP6 The operat ing voltage f actory def ault setting i s 3.3V operati on. The JP1 jump er must be set to 3.3-volt operation . Warning – Be sure to that 5 V/3.3 V jumper is set to matc h the re quireme nts of yo[...]

Append ix A – M echan ical Deta ils Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 117 Parallel Test/Demo Board Block Diagram Parallel Test/De mo Board Block D iagram[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 118 Appendix B - Sa f e t y/EMC Appro v al s , Desig n Consider ations , and R eg ulator y Complianc e Approvals – Pr oduct Safety and EMC Safety Certifications UL 609[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 119 Regulatory Design Considerations This s ectio n discu sse s hardwar e co nsider ation s, safety, and T ele com la beling r equir ement s. Hardware Consid erations Di[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 120 EMC Surface mount fer rites are used on T&R (T ip and R ing) to m itigat e emissio n level s out the R J-11 cable. 22 0pF capacitor s are al so us ed on T &R[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 121 Other Design Considerations Good eng ineering pra ctices must b e adhere d to whe n des igning a pr int ed cir cuit boar d (PCB) contai ning the Sock etMode m modu l[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 122 Electromagnetic Interference (EMI) C onsiderati ons The foll owing gui delin es are o ffered to spec ifically help m inimiz e EMI gen eration. Some o f thes e guidel[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 123 5V Tolerant Inpu ts for 3. 3V Modules In order to dr ive th e input s of 3. 3V mo dules from 5V lo gic, it is r ecommend ed to a dd a 1K serie s resistor to e ach of[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 124 Regulatory Compliance Regulatory Requiremen ts for the United States FCC Part 15 R egulation This eq uipme nt has been test ed and f ound to comp ly with t he lim it[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 125 47 CFR Part 68 Tele com 1. This eq uipme nt com plies wit h Part 6 8 of the 47 CF R rule s and th e requir ement s ado pted by the ACTA. Locat ed on t his equi pment[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 126 Current Label Content a nd Format as of August 2003 Approve d termin al equ ipment and ap pro ved prote ctive c ircuitr y sha ll prom inent ly dis play th e followin[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 127 Regulatory Requiremen ts for Canada The foll owing re quireme nts are e stabl ished un der se ction 69.3 of t he Tele communic atio ns Act for purpose s of s ectio n[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 128 (e) Certification N umber s grante d prior to the impleme ntatio n of the above marki ng format are grandfather ed. (i) For previou sly cer tif ied TE, t he se lf-ma[...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 129 New Zealand Telec om Warning Notice 1. The gra nt of a Te leper mit for any it em of ter minal equipm ent i ndica tes onl y that Te lecom has accepted that the item [...]

Append ix B – Pr oduct Appro vals, R egulat ory D esign Co nsidera tions , and Re gulator y Comp liance Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 130 International Mo dem Re strictions Some dial ing an d answ eri ng def aults and r estri ctio ns may vary fo r int ernat ional modem s. Cha ngin g settin gs ma y caus[...]

Index Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 131 Inde x 3 32-bit fra me check seq uence com mand +EFCS, 56 5 5V Tolerant Inpu ts for 3. 3V Modules, 123 A absolute max imum electrica l and envir onmental ratings, 14 answer co mmand A, 43 AT comma nds, 29 definition, 2 9 format, 29 AT Command s :E, 70 #UD, 65 $F, 7[...]

Index Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 132 call waiting enab le command +PC W , 71 Caller ID co mmand +VCID, 30 Carrier loss di sconnect t ime, setti ng S10, 76 CI signal indication comm and, 64 Command mod e, 29 Com man d s tr ing, 29 Communi cations progr ams, 29 compromis e equaliz er enable co mmand :E,[...]

Index Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 133 leased line operation c ommand &L, 70 Line feed ch aracter S4, 75 load flash memory co mmand **, 34 local analo g loopb ack test command &T , 33 M Mechanica l specifi cations, 8 MNP extended service s command -K, 59 modem-on-hol d enable c ommand +PM H, 71 [...]

Index Multi-T ech Syst ems, Inc. So cket Modem MT56 00SMI Dev eloper ’s Guid e 134 T Technical spe cificat ions, 7 Telecommun ications Re gulatio ns for Canada, 127 transmit brea k to remote command B, 58 Transmitt er FIFO Interrupt O peration, 2 8 U use short sequence command +PSS, 74 V V.44 data com pression s elect comma nd +DS44, 6 0 V.8 and[...]