ZYXEL COMMUNICATIONS CORPORATION U-336R Card Type Modem (synchronous/asynchronous) Chip Set Unidentified Maximum Modem Rate 33.6Kbps Maximum Fax Rate 14.4Kbps Data Modulation Protocol ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34 Fax Modulation Protocol ITU-T V.17, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis Fax Class Class 1 & 2 Data Bus External [Image] USER CONFIGURABLE SETTINGS Setting Label Position Off-hook data mode SW1 Off On-hook voice mode SW1 On Answer mode SW2 Off Originate mode SW2 On DIAGNOSTIC LED(S) LED Color Status Condition PWR Unidentified On Power is on PWR Unidentified Off Power is off TST Unidentified On Modem is in test mode TST Unidentified Off Modem is not in test mode V34 Unidentified On Modem is operating in V.34 V34 Unidentified Off Modem is not operating in V.34 V34 Unidentified Blinking Modem is in handshaking state TXD Unidentified On Modem is transmitting data TXD Unidentified Off Modem is not transmitting data RXD Unidentified On Modem is receiving data RXD Unidentified Off Modem is not receiving data CD Unidentified On Carrier signal detected CD Unidentified Off Carrier signal not detected DTR Unidentified On Computer is ready to send/receive data DTR Unidentified Off Computer is not ready to send/receive data DSR Unidentified On Modem is ready to send/receive data DSR Unidentified Off Modem is not ready to send/receive data RTS Unidentified On DTE requesting to send data for transmission RTS Unidentified Off DTE not requesting to send data for transmission CTS Unidentified On Modem clear to send CTS Unidentified Off Modem not clear to send OH Unidentified On Modem is off-hook OH Unidentified Off Modem is on-hook ORG Unidentified On Modem is in originate mode ORG Unidentified Off Modem is not in originate mode RI Unidentified On Modem is in auto-answer mode RI Unidentified Off Modem is not in auto-answer mode RI Unidentified Blinking Modem is detecting an incoming call SQ Unidentified On Signal quality good SQ Unidentified Off Signal quality not good SQ Unidentified Blinking Signal quality marginal LL Unidentified On Modem is in leased line mode LL Unidentified Off Modem is not in leased line mode SUPPORTED COMMAND SET Basic AT Commands AT, ‘+++’, A/ A, B, E, H, M, O, T, V &C, &F, &J, &M, &R, &T, &X, &Z S Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S16 Proprietary AT Command Set BREAK HANDLING Type: Configuration Format: AT [cmds] &Yn [cmds] Description: Break handling Command Function &Y0 Break sent to remote modem immediately &Y1 Break sent to remote modem and buffer cleared &Y2 Send break with transmitted data CONFIGURATION PROFILES Type: Immediate Format: AT [cmds] &Vn [cmds] Description: Displays active and stored configuration profiles Command Function &V0 View current active settings &V1 View user profile 1 &V2 View user profile 2 &V3 View user profile 3 &V4 View user profile 4 &V5 View factory default settings DATA RATE Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Controls the DTE rate Command Function &B0 Serial speed follows connect speed &B1 Serial speed locked DATA SET READY (DSR) Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Selects DSR options Command Function &S0 DSR forced high &S1 DSR according to CCITT (ITU-TSS) DATA TERMINAL READY (DTR) Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Selects modem response to DTR Note: The action each variant of &D causes depends on the setting of &Q Command Function &D0 Modem does not respond to DTR &D1 Modem goes to command mode after DTR goes is off &D2 Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled. &D3 Modem is initialized after DTR goes off DIAL Type: Immediate Format: AT [cmds] D<#> [cmds] Description: Dials telephone number according to any modifiers included in the string Note: Any combination of modifiers can be used to produce the desired dial functions in sequence. Command Function DP Pulse dialing enabled DR Answer mode enabled; originate mode disabled following handshake initiation. DS=n Dial stored telephone number n DT Tone dialing enabled/Pulse dialing disabled DW Dialing resumed following dial tone detection D, Dialing paused for amount of time specified in S8 register D! Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. D@ Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. DL Repeat last ATD command D; Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. DOWNLOAD FIRMWARE Type: Configuration Format: AT [cmds] UPX [cmds] Description: Download firmware to the Flash EPROM using Xmodem protocol ERROR CONTROL Type: Configuration Format: AT [cmds] &Kn [cmds] Description: Enables error control options Command Function &K0 Error control disabled &K1 Error control enabled &K2 MNP4 and MNP5 error control enabled &K3 V.42 and MNP4 error control enabled &K4 V.42 and V.42bis error control enabled GUARD TONE Type: Configuration Format: AT [cmds] &Gn [cmds] Description: Commands the modem to transmit a guard tone in V.22/V.22bis Note: Used primarily for international data transmission Command Function &G0 Guard tone disabled &G2 1800Hz guard tone enabled HELP Type: Immediate Format: AT [cmds] $ [cmds] Description: Display help screen Command Function $ Basic command summary &$ Extended command summary *$ Extended command summary LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Description: Selects line type Command Line Type &L0 Switched line (PSTN/Dial-up) &L1 2W leased-line &L2 4W leased-line RE-EXECUTE Type: Immediate Format: A> Description: Re-executes the last command once or the last call up to 9 times. Note: Do not precede this command with AT. This version of the escape sequence is used in non-Hayes modems. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested Command Function I0 Reports modem model and speed I1 Reports ROM checksum I2 Report modem link status I12 Report physical layer status RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE Command Function Q0 Result code sending enabled Q1 Result code sending disabled Q2 Modem returns result code but quiet after answering on a RING RING VOLUME Type: Configuration Format: AT [cmds] Nn [cmds] Default: 5 Range: 0-7 Description: Ring volume control. ‘NO’ will disable the audio ring function MODEM LINK MODE Type: Configuration Format: AT [cmds] &Nn [cmds] Description: Modem link mode options Command Mode &N0 Multi-Auto, auto negotiate highest possible link rate &N1 V.33 14400/12000 &N2 V.33 12000 &N3 V.32 9600T/9600/7200T/4800 &N4 V.32 9600/7200/4800 &N5 V.32 4800 &N12 V.23 1200/75 &N13 V.23 600/75 &N14 V.22bis 2400/1200 &N15 V.22 1200 &N16 V.21 300 &N17 V.32bis 14400/12000/9600/7200/4800 &N18 V.32bis 12000/9600/7200/4800 &N19 V.32bis 7200/4800 &N24 BELL 212A 1200 &N25 BELL 103 300 &N32 G3 Fax V.17/V.29/V.27ter 14400/12000/9600/7200/4800/2400 &N34 ZyXEL 19200 &N35 ZyXEL 16800 &N36 ZyXEL 14400 &N37 ZyXEL 12000 &N38 ZyXEL 9600 &N39 ZyXEL 7200 &N42 CELL 14400 &N43 CELL 12000 &N44 CELL 9600 &N45 CELL 7200 &N46 CELL 4800T &N62 V.34 28800 &N63 V.34 26400 &N64 V.34 24000 &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 PULSE DIALING RATIO Type: Configuration Format: AT [cmds] &Pn [cmds] Description: Selects pulse dial make/break ratio Command Function &P0 39/61ms at 10pps (North America) &P1 33/67ms at 10pps (Europe) SELECT CALL PROGRESS RESULT CODES Type: Immediate Format: AT [cmds] Xn [cmds] Description: Enables selection of tone detection and associated result code format options Command Function X0 Busy and dial tone detection disabled; result codes 0 - 4 enabled. X1 Busy and dial tone detection disabled; result codes 0 - 5 & 10 enabled. X2 Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 enabled. X3 Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 & 10 enabled. X4 Busy and dial tone detection enabled; result codes 0 - 7 & 10 enabled. X5 Busy and dial tone detection enabled: result codes 0 - 7 & 10 enabled. Reports DTE speed, all CARRIER & PROTOCOL extended result codes enabled X6 Busy and dial tone detection enabled; result codes 0 - 7 & 10 enabled. Reports DCE speed, all extended result codes disabled X7 Busy and dial tone detection enabled; result codes 0 - 7 & 10 enabled. Reports DCE speed, all CARRIER & PROTOCOL extended result codes enabled SOFT RESET Type: Immediate Format: AT [cmds] Zn [cmds] Description: Restores modem profiles previously saved in non-volatile RAM using the &W command. Command Function Z0 Restore setting 0 Z1 Restore setting 1 Z2 Restore setting 2 Z3 Restore setting 3 Z4 Restore factory settings SPEAKER VOLUME Type: Configuration Format: AT [cmds] Ln [cmds] Default: 4 Range: 0-7 Description: Controls speaker volume STORE ACTIVE PROFILE Type: Configuration Format: AT [cmds] &Wn [cmds] Description: Writes the values for the user profile n into the non-volatile RAM TERMINATE CONNECTION Type: Immediate Format: Description: Terminate current connection attempt when enter in handshaking state. Note: Do not precede this command with AT. This version of the escape sequence is used in non-Hayes modems. Extended AT Command Set AUTO HANDSHAKE MODE Type: Configuration Format: AT [cmds] *Mn [cmds] Description: Leased line auto-handshake mode selection Command Function *M0 Set to Originate mode *M1 Set to Answer mode CALLER ID Type: Configuration Format: AT [cmds] *T [cmds] Description: Recall the last CND (Caller ID) information CHARACTER LENGTH Type: Configuration Format: AT [cmds] *Cn [cmds] Description: Controls the character length, including start, stop and parity bit Command Function *C0 10-bit character length *C1 11-bit character length *C2 9-bit character length *C3 8-bit character length COMMAND SET Type: Configuration Format: AT [cmds] *In [cmds] Description: Command set selection Command Function *I0 AT command set *I1 V.25bis command set *I2 Dumb mode CONFIGURATION PROFILE Type: Configuration Format: AT [cmds] *Wab [cmds] Description: Write local configuration profile a to remote user profile b and reset modem from profile b Command Function a=0 Assign local user profile 0 to "a" a=1 Assign local user profile 1 to "a" a=2 Assign local user profile 2 to "a" a=3 Assign local user profile 3 to "a" b=0 Assign local user profile 0 to "b" b=0 Assign local user profile 1 to "b" b=0 Assign local user profile 2 to "b" b=0 Assign local user profile 3 to "b" a=4 Local active configuration a=5 Local factory default configuration DEFAULT DIAL POINTER Type: Configuration Format: AT [cmds] *Dn [cmds] Range: 0-49 Description: Set default dial pointer at telephone directory location n LINE QUALITY Type: Configuration Format: AT [cmds] *Qn [cmds] Description: Action taken when line quality changes Command Function *Q0 No action to poor signal quality *Q1 Retrain action taken in signal quality is poor *Q2 Adaptive rate, automatic fall-back or forward *Q3 Disconnect if signal quality is poor MODEM ERROR CONTROL NEGOTIATION Type: Configuration Format: AT [cmds] *En [cmds] Description: Modem error control negotiation Command Function *E0 If error control negotiation fails, keep the non-error control connection *E1 If error control negotiation fails, disconnect the call (hang-up) PASSWORD TABLE Type: Immediate Format: AT [cmds] *V [cmds] Description: View the Password table REMOTE CONFIGURATION Type: Configuration Format: AT [cmds] *Fn [cmds] Description: Remoter configuration enable Command Function *F0 Deny remote configuration *F1 Accept remote configuration REMOTE PROFILE Type: Configuration Format: AT [cmds] *Rab [cmds] Description: Read the remote profile "b" to local user profile "a" Options Function a=0 Assign local user profile 0 to "a" a=1 Assign local user profile 1 to "a" a=2 Assign local user profile 2 to "a" a=3 Assign local user profile 3 to "a" b=0 Assign local user profile 0 to "b" b=0 Assign local user profile 1 to "b" b=0 Assign local user profile 2 to "b" b=0 Assign local user profile 3 to "b" b=4 Remote active configuration b=5 Remote factory default configuration SECURITY FUNCTION Type: Configuration Format: AT [cmds] *Gn [cmds] Description: Security function selection Command Function *G0 Disable security functions *G1 Enable type 1 security, with password check *G2 Enable type 1 security, with password check and call back *G3 Enable type 2 security, with password check *G4 Enable type 2 security, with password check and call back *G5 Enable type 2 security, with password check and call back, remote user enters the call back number. SUPERVISOR PASSWORD Type: Configuration Format: AT [cmds] *HS [cmds] Description: Modify supervisory password (default: "ZyXEL") TRANSMISSION POWER LEVEL Type: Configuration Format: AT [cmds] *Pn [cmds] Default: 9 Range: 0-15 Description: Set leased line transmission power level USER PASSWORD Type: Configuration Format: AT [cmds] *Hn [cmds] Range: 0-49 Description: Modify user password table at location n S(status) -REGISTERS BIT-MAPPED REGISTER S13 Format: AT [cmds] S13=n [cmds] Default: 170 Unit: Bit-mapped Description: Capture modem information BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: 170 Unit: Bit-mapped Description: Controls auto-handshake Bit Value Function 0 0 Modem auto-handshake on Originate mode 1 Modem auto-handshake on Answer mode 1 0 Grant remote Digital Loop-back test request 1 Deny remote Digital Loop-back test request 3,2 0 Dial-up line 1 2-wire leased line 8 4-wire leased line 5,4 0 Internal clock 16 External clock 32 Remote clock 7,6 0 Asynchronous data with buffering 64 Asynchronous command, synchronous data 128 Direct asynchronous, no data buffering 192 Synchronous BIT_MAPPED REGISTER S15 Type: Register Format: AT [cmds] S15=n [cmds] Description: Controls parity Bit Value Function 0,1 0 Even parity 1 Odd parity 2 No parity 2 0 1 stop bit 4 2 stop bits 4,3 0 10 bit character length 8 11 bit character length 16 9 bit character length 24 8 bit character length 7-5 0 Profile 0 as active settings after power on 32 Profile 1 as active settings after power on 64 Profile 2 as active settings after power on 96 Profile 3 as active settings after power on 128 Factory default as active settings after power on BIT-MAPPED REGISTER S17 Type: Register Format: AT [cmds] S17=n [cmds] Unit: Bit-mapped Description: Controls dialing Bit Value Function 0 0 Disable secondary channel 4-1 0-30 Set leased line transmit power level from 0 to 15 dBn. 5 0 Normal dial 32 Reverse dial, go on-line in answer mode 7,6 0 AT command set 64 V.25bis command set 128 Dumb mode BAUD RATE Type: Register Format AT [cmds] S18=n [cmds] Description: Force modem to fix baud rate when answering Bit Value Function 0 0 Disable fixed baud rate 1-46 1-2E Enable baud rate to be fixed when answering. Baud rate value settings (n) the same as S20 MODEM CONNECTION MODE Type: Register Format AT [cmds] S19=n [cmds] Description: MODEM CONNECTION MODE Note: S18=0 disables the timer and allows an indefinite duration. Value Function 0-73 Setting value as ‘AT&Nn’ command BIT-MAPPED REGISTER S20 Format AT [cmds] S20=n [cmds] Default: Unidentified Unit: Bit-mapped Description: DTE speed (bps). Auto detect from AT Command Value Function S20=0 230400bps S20=1 115200bps S20=2 76800bps S20=3 57600bps S20=4 38400bps S20=5 19200bps S20=6 16800bps S20=7 14400bps S20=8 12000bps S20=9 9600bps S20=10 7200bps S20=11 4800bps S20=12 2400bps S20=13 1200bps S20=14 460800bps S20=15 300bps S20=16 307200bps S20=17 153600bps S20=18 102400bps S20=20 61440bps S20=21 51200bps S20=22 62400bps S20=24 124800bps S20=25 62400bps S20=26 41600bps S20=27 31200bps S20=28 24960bps S20=29 20800bps S20=46 92160bps BIT-MAPPED REGISTER S21 Format AT [cmds] S21=n [cmds] Default: Unidentified Unit: Bit-mapped Description: Auto speed detection Bit Value Function 0 0 Maintain non-error control connection when modem error control handshake fails 1 Drop connection when modem error control handshake fails 1-2 0 Speaker always off 2 Speaker on until carrier is detected 4 Speaker always on 6 Speaker on after last digit is dialed out until carrier is detected 3 0 DSR always on 8 According to CCITT 4 0 CD always on 16 CD tracks presence of data carrier 5 0 CTS follows RTS in synchronous mode. Response delay set in S26. 32 Ignore RTS (CTS always on) in synchronous mode. 6-7 0 Assume DTR always on 64 108.1 DTR off-on transition causes dial of the default number 128 108.2 Data Terminal Ready. DTR off causes 192 the modem to hang up and return to command mode 108.2 DTR off causes the modem to hang up and reset the modem to profile #0 after DTR dropped BIT-MAPPED REGISTER S23 Format AT [cmds] S23=n [cmds] Default: Unidentified Unit: Bit-mapped Description: Bit mapped register Bit Value Function 0 0 Command echo disabled 1 Command echo enabled 1 0 Tone dial 2 Tone dial 2 0 Pulse dial make/break ratio = 39% / 61% 4 Pulse dial make/break ratio = 33% / 67% 3-5 0 ATX0 8 ATX1 16 ATX2 24 ATX3 32 ATX4 40 ATX5 48 ATX5, error control result code enabled 56 ATX6, error control result code enabled 6 0 Display result code in verbose format (see S35.7) 64 Display result code in verbose format 7 0 Modem returns result state 128 Modem does not return result code BIT MAPPED REGISTER S24 Type: Register Format AT [cmds] S24=n [cmds] Default: Unidentified Unit: Unidentified Description: Bit mapped register Bit Value Function 2-0 0-7 Ring volume control 6-4 16-112 Speaker volume control DTR TIME DELAY Type: Register Format AT [cmds] S25=n [cmds] Default: 0 Range: Unidentified Unit: .1 second Description: Specify the time delay that DTR signal needs to be off before it will be recognizedIf S25=0, the delay time is set to 4ms. RTS/CTS DELAY Type: Register Format AT [cmds] S26=n [cmds] Default: 0 Range: 0 - 255 Unit: .1 second Description: Set the delay, in 10ms units between the RTS and modem’s CTS response in synchronous mode. BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Default: Unidentified Unit: Bit-mapped Description: Bit mapped register Bit Value Function 0-2 0 No error control 1 MNP4 and MNP3 error control 2 MNP4 and MNP5 error control 3 V.42 and MNP4 error control 4 V.42 and V.42bis error control 3-5 0 Flow control disabled 24 Hardware (RTS/CTS) flow control 32 Software (XON/XOFF) flow control 40 Reserved 6-7 0 No response to poor signal quality 64 Retrain action taken if signal quality *Q1 is poor 128 Adaptive rate (auto fall back/forward) when signal quality changes 192 Disconnect when signal quality is poor BIT-MAPPED REGISTER S28 Format AT [cmds] S28=n [cmds] Default: unidentified Unit: Bit-mapped Description: Bit mapped register Bit Value Function 0 0 Reserved 1 Multiple phone/modem line 1 0 Panel key is normal 1 Panel key is locked 2-3 0 Destructive, expedited break 1 Non-destructive expedited break 10 Non-destructive, un-expedited break 4-5 0 No guard tone 16 Reserved 32 1800Hz guard tone 6 0 DTE/DCE rate follows link rate 1 DTE/DCE rate is fixed at the DTE setting 7 0 Select V.22 for 1200bps communications 128 Select Bell 212A for 1200bps communication PHONE NUMBER POINTER Type: Register Format AT [cmds] S29=n [cmds] Default: 0 Range: 0-49 Description: Set default dial phone number pointer, use AT&Zn=s to store phone numbers XON VALUE Type: Register Format AT [cmds] S31=n [cmds] Default: 0 Range: 0-255 Description: Holds the ASCII decimal value of the XON XOFF VALUE Type: Register Format: AT [cmds] S32=n [cmds] Default: 0 Range: 0-255 Description: Holds the ASCII decimal value of the XOFF BIT MAPPED REGISTER S35 Type: Register Format: AT [cmds] S35=n [cmds] Description: Bit mapped register Bit Value Function 0 1 Use CELL 4800T trellis coded 4800 for V.32 4800 (available with cellular mode only) 1 2 Disable aborting from terminal during modem handshaking 2 4 V.26 alternative A. 3 8 Add 12dBm attenuation to the leased line 4 16 When Data/Voice with is pressed, modem will dial the default number 5 32 Enable Selective Reject in V.42 6 64 Enable password protection to profile saving. When ‘AT&W0’ is issued, and profile 0 in the NVRAM has this bit set, the supervisory password will be requested. This bit in profile 0 also protects the supervisory password from a hardware reset. 7 128 Enable extended numerical result codes from 50-71 when an error corrected connection is made. Use with ATV0. BIT MAPPED REGISTER Type: Register Format AT [cmds] S36=n [cmds] Description: Bit mapped register Bit Value Function 0 0 Deny remote request for configuration 1 Grant remote request for configuration 1 0 Write from local profile to remote profile 2 Read from local profile to remote profile 7-5 0 Disable security function 32 Enable type 1 security with password check 64 Enable type 1 security with password check and call-back (ZyXEL to ZyXEL only) 96 Enable type 2 security with password check 128 Enable type 2 security with password check and 160 call-back Enable type 2 security with password check and call-back, remote site enters the call-back number BIT MAPPED REGISTER S37 Type: Register Format AT [cmds] S37=n [cmds] Description: Bit mapped register for remote configuration using panel menu control Bit Value Function 3-0 0-5 Remote profile number 7-4 0-80 Local profile number BIT MAPPED REGISTER S38 Type: Register Format AT [cmds] S38=n [cmds] Description: Bit mapped register Bit Value Function 0 1 Repeatedly dialing default number 3 8 DCD ON/OFF sequence follows UNIX standard, DCD high before connect message is sent, DCD off after last DCE response is sent. 4 16 Auto-mode fax receiving disabled 5 32 Disable MNP5 BIT MAPPED RIGESTER S39 Type: Register Format AT [cmds] S39=n [cmds] Description: Bit mapped register Bit Value Function 2 4 Answer in originating mode 3 8 Class 2 Fax Bitfax compatibility: +FCON at 2400 next phase at 19200 4 16 Class 2 Fax mode DTE shifting: +FCON at current DTE, shift to 19,200 when entering into the next phase 5 32 Disable scrambler/descrambler in V.26bis mode. BIT-MAPPED REGISTER S40 Format AT [cmds] S40=n [cmds] Default: Unidentified Unit: Bit-mapped Description: Bit mapped register Bit Value Function 1 2 No result code displayed in answer mode 2 4 Enables caller ID detection 3 8 Enables type 1 ring detection 4 16 Enables type 2 ring detection 5 32 Enables type 3 ring detection 6 64 Enables type 4 ring detection BIT-MAPPED REGISTER S41 Format AT [cmds] S41=n [cmds] Default: Unidentified Unit: Bit-mapped Description: Bit mapped register Bit Value Function 0 1 Special MNP compatibility. 2 4 Disable retrain abort, up to 5 min. for special satellite line condition 3 8 Enable CCITT signals 140 and 141 on EIA232D interface 4 16 In X2-X7 setting, modem waits for S6 seconds before dialing and ignors dial tone detection 5 32 DSR follows DCD and pulses 6 64 Force S0>=2 7 128 Ignore calling tone, not to be used as fax detection BIT MAPPED REGISTER S42 Type: Register Format: AT [cmds] S42=n [cmds] Description: Bit mapped register Bit Value Function 1 2 Enable throughput averaging 2 4 CND message will be forced on even if AT02 is set 3 8 Disable escape sequence code in answer mode 4 16 Disable V.17, 14,400 fax in calling made, no effect to answering mode &N32 5 32 Disable Data/Voice button 6 64 Disable ‘RINGING’ result code 7 128 DCD forced on but pulse off for 0.5 seconds at carrier loss BIT MAPPED REGISTER S43 Type: Register Format: AT [cmds] S43=n [cmds] Description: Bit mapped register Bit Value Function 0 1 Disable ZyXEL 16800 in Multi-Auto mode 1 2 Disable ZyXEL 19200 in Multi-Auto mode 2 4 Disable cellular mode automatic transmit power adjustment 3 0 Enable cellular mode in Multi-Auto mode 8 Disable cellular mode in Multi-Auto mode 6 64 Enable 1.5sec., p[ause between off-hook and modem answering 7 128 Modem hang-up if the line condition does not permit modem to run highest speed set by ‘&Nn’ command BIT MAPPED REGISTER S44 Type: Register Format: AT [cmds] S44=n [cmds] Description: Bit mapped register Bit Value Function 3 8 ATDSn initiates auto-dial of the stored numbers consecutively until connection is made 4 16 DSR follows DTR 5 32 Enable V.13 half-duplex simulation in synchronous mode 6 64 When selected with ‘&Bo’. DTE speed fixed at 38400 when the link speed is above 9600. DTE speed fixed at 9600 if link speed is 7200, DTE speed follows link speed. When selected with &B1, DTE speed fixed at current rate when an ARQ connection is made, when a non-ARQ connection is made, DTE speed follows the link speed. (see also S18) 7 128 Enable UK type short-to-short ring-back detection. CND SILENCE Type: Register Format: AT [cmds] S45=n [cmds] Range: 0-255 Units: 20ms Description: Delay during which the CND silence detection is disabled CND SILENCE Type: Register Format: AT [cmds] S46=n [cmds] Range: 0-255 Units: 20ms Description: CND silence detection interval. To process the CND, silence must be detected for the specified interval BIT MAPPED REGISTER S48 Type: Register Format: AT [cmds] S48=n [cmds] Description: Bit mapped register Bit Value Function 0 1 Cause CND information to be reported in raw format 1 2 Enable data only mode. Auto-detect V.34/ZyX/V.32bis/V.22bis/V.23/V.21 Bell 103 when answering. If the connection try fails, the modem will continuously recycle the handshaking procedure until the S7 register times out 2 4 Enable data calling tone (CNG) send 3 8 Reverse the V.23 channel speed. Originate mode modem speed (Send/Receive) 1200/75; Answer mode modem speed (Send/Receive) 75/1200 4 16 (work with &D1 command) DTR ON will have the modem dial the default number and DTR OFF will have the modem hang-up and reset to profile 0. When the modem is idle, it will not dial any number when DTR changes from on to off BIT MAPPED REGISTER S49 Type: Register Format: AT [cmds] S49=n [cmds] Description: Bit mapped register Bit Value Function 3-0 0-15 Set cellular mode transmit power level -9 to -24 dBn. 7 0 For cellular mode only. Modem is installed in office 128 For cellular mode only. Modem is connected to a mobile phone BIT MAPPED REGISTER S50 Type: Register Format: AT [cmds] S50=n [cmds] Range: 0-255 Units: 10 second Description: Inactivity timer. The modem counts when there is no data flow in or out of the RS-232 serial port. A connection is disengaged when the counter reaches the preset value. Set value to ‘0’ to disable this function BIT MAPPED REGISTER S51 Type: Register Format: AT [cmds] S51=n [cmds] Description: Bit mapped register Bit Value Function 1-0 0 Disables EDR 1 Reports RING twice 2 Reports RING four times 3 Reports RING six times 3-2 0 Disables DTMF tone 4 Reports RING for a DTMF tone 8 Reports RING ‘DTMF’ for a DTMF tone 12 Reserved 1 Reports RING twice 5-4 0 Disables fax-CNG tone detection 16 Reports RING for fax CNG tone 32 Reports RING 1 for a CNG tone 48 Reports RING 2 for a CNG tone 7-6 0 Disables data CNG tone detection 64 Reports RING for data CNG tone 128 Reports RING 1 for data CNG tone 192 Reports RING 3 for data CNG tone BIT MAPPED REGISTER S52 Type: Register Format AT [cmds] S52=n [cmds] Description: Bit mapped register Bit Value Function 4-3 0-24 Receive level adjustment 0 -43dBm 8 -33dBn 16 -26dBn 24 -26dBm 7 0 Select ‘Mark’ as the first signal of the V.23 handshaking sequence 128 Select ‘Space’ as the first signal of the V.23 handshaking sequence HOOK FLASH DETECT TIME Type: Register Format AT [cmds] S56 [cmds] Range: 0-255 Units: 0.1 seconds Description: Bit mapped register HOOK FLASH DETECT TIME Type: Register Format AT [cmds] S57 [cmds] Description: Bit mapped register Bit Value Function 4 16 Enables the reporting of Class 1 capability in the response to +FCLASS=? 6 0 Disabled busy detection when dialing is proceeding 64 Enables busy detection in dialing period BIT MAPPED REGISTER S62 Type: Register Format: AT [cmds] S62=n [cmds] Unit: 1 minute Description: Bit mapped register Bit Value Function 0 0 Force the modem to use the new values of S18 to fix the baud rate when 1 answering. Force the modem to use the old values of S18 to fix the baud rate when answering. RESULT CODES ATV0 ATV1 0 OK 1 CONNECT 2 RING 3 NO CARRIER 4 ERROR 5 CONNECT 1200 6 NO DIAL TONE 7 BUSY 8 NO ANSWER 9 RINGING 10 CONNECT 2400 11 CONNECT 4800 12 CONNECT 9600 14 CONNECT 19200 15 CONNECT 7200 16 CONNECT 12000 17 CONNECT 14400 18 CONNECT 16800 19 CONNECT 38400 20 CONNECT 47600 21 CONNECT 76800 22 CONNECT 115200 23 CONNECT 230400 24 CONNECT 460800 25 CONNECT 921600 BIT MAPPED REGISTER S62 (CON’T) ATV0 ATV1 26 CONNECT 307200 27 CONNECT 153600 28 CONNECT 102400 29 CONNECT 21440 30 CONNECT 51200 31 CONNECT 624000 32 CONNECT 124800 33 CONNECT 62400 34 CONNECT 41600 35 CONNECT 31200 36 CONNECT 24960 37 CONNECT 20800 38 CONNECT 33600 39 CONNECT 28800 40 CONNECT 26400 41 CONNECT 24000 42 CONNECT 21600