MULTI-TECH SYSTEMS, INC. MT64ISDN/C Card Type ISDN TA Chip Set Unidentified Transfer Rate 56Kbps/64Kbps x 2 Data Bus Unidentified ISDN Protocols SAP, T-Link, V.120, PPP Switch Types 5ESS, NI-1, DMS-100, NEC Proprietary AT Command Set V2158 AUTO-ANSWER Type: Configuration Format: AT [cmds] _Jn [cmds] Description: Selects whether the TA can auto-answer incoming calls. Command Function _J0 Auto-answer disabled. _J1 Auto-answer enabled. AUTO-ANSWER Type: Register Format: AT [cmds] S0=n [cmds] Description: Selects whether the TA can auto-answer incoming calls. Command Function S0=0 Auto-answer disabled. S0=1 Auto-answer enabled. S0=2 Auto-answer enabled only when DTR is high. BIT-MAPPED REGISTER S14 Format: AT [cmds] S14=n [cmds] Default: Unidentified Range: 60 Description: Controls command echo, result codes, and serial port speed locking. Bit Value Function 1-0 00 Not used. 2 0 Command echo enabled. 1 Command echo disabled. 3 0 Result codes enabled. 1 Result codes disabled. 4 0 Result codes in numeric form. 1 Result codes in verbose form. 5 0 Local serial port speed follows connect speed. 1 Local serial port speed locked. BONDED CALL Type: Register Format: AT [cmds] S59=n [cmds] Description: Selects whether the TA will attempt to make a bonded call. Command Function S59=3 Call bonding disabled. S59=5 Call bonding enabled. BONDED CALL - ANSWERING TIMEOUT Type: Register Format: AT [cmds] S44=n [cmds] Default: 10 Range: 0 - 255 Unit: 1 second Description: Sets the time when answering a call that the TA will wait for the remote TA to send the bond negotiation before it disconnects. BONDED CALL - CAPACITY TIMEOUT Type: Register Format: AT [cmds] S45=n [cmds] Default: 5 Range: 0 - 255 Unit: 1 second Description: Sets the time that the TA will wait to agree with the remote TA on channel capacities before it disconnects. BONDED CALL - EQUALIZATION TIMEOUT Type: Register Format: AT [cmds] S43=n [cmds] Default: 50 Range: 0 - 255 Unit: 1 second Description: Sets the time that the TA will wait for the two channels of a bonded call to be equalized before it disconnects. BONDED CALL - FRAME PATTERN TIMEOUT Type: Register Format: AT [cmds] S41=n [cmds] Default: 10 Range: 0 - 255 Unit: 1 second Description: Sets the time that the TA will wait during the bond frame pattern before it disconnects. BONDED CALL - ORIGINATION TIMEOUT Type: Register Format: AT [cmds] S40=n [cmds] Default: 10 Range: 0 - 255 Unit: 1 second Description: Sets the time when originating a call that the TA will wait for the remote TA to send the bond negotiation before it disconnects. BONDED CALL - SECOND CALL TIMEOUT Type: Register Format: AT [cmds] S42=n [cmds] Default: 50 Range: 0 - 255 Unit: 1 second Description: Sets the time that the TA will wait for the second call of a bonded call to be completed before it disconnects. CALL TYPE Type: Register Format: AT [cmds] S53=n [cmds] Description: Selects what type of call is to be made. Command Function S53=0 Speech call. S53=1 Audio call. S53=2 56Kbps data call. S53=3 64Kbps data call. CD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Controls the behaviour of the CD signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced low on disconnect. &C3 CD forced low when there is no connection. CD SIGNAL Type: Register Format: AT [cmds] S33=n [cmds] Description: Controls the behaviour of the CD signal. Command Function S33=0 CD forced high. S33=1 CD normal. S33=2 CD forced low on disconnect. S33=3 CD forced low when there is no connection. CLOCK SOURCE Type: Register Format: AT [cmds] S76=n [cmds] Description: Selects where the TA derives the transmit clock. Command Function S76=0 TA uses internal clock source. S76=1 DTE generates clock source. CLOCK SOURCE - ISDN Type: Configuration Format: AT [cmds] _Xn [cmds] Description: Selects where the TA derives the ISDN U clock. Command Function _X0 TA uses network as clock source. _X1 TA generates clock source. CLOCK SOURCE - ISDN Type: Register Format: AT [cmds] S51=n [cmds] Description: Selects where the TA derives the ISDN U clock. Command Function S51=0 TA uses network as clock source. S51=1 TA generates clock source. COMMAND SET Type: Immediate Format: AT [cmds] _Un [cmds] Description: Selects the command set that will be used. Command Function _U0 Command sets disabled. _U1 AT command set enabled. _U2 V.25bis command set enabled. COMMAND SET - AT Type: Immediate Format: AT [cmds] S55=n [cmds] Description: Selects the command set that will be used. Command Function S55=2 AT command set enabled. S55=3 AT command set disabled. CONNECT TIME Type: Register Format: AT [cmds] S7=n [cmds] Default: Unidentified Range: 0-240 Unit: 1 second Description: Selects the amount of time the TA will wait for an outgoing call to connect. CTS SIGNAL Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls the behaviour of the CTS signal. Command Function &R0 CTS follows RTS. &R1 CTS forced high. CTS SIGNAL Type: Register Format: AT [cmds] S30=n [cmds] Description: Controls the behaviour of the CTS signal. Command Function S30=0 CTS follows RTS. S30=1 CTS forced high. DATA LENGTH Type: Configuration Format: AT [cmds] _Wn [cmds] Description: Selects the length of the data word. Command Function _W0 7 bit word length. _W1 8 bit word length. DATA LENGTH Type: Configuration Format: AT [cmds] S72=n [cmds] Description: Selects the length of the data word. Command Function S72=0 8 bit word length. S72=1 7 bit word length. DATA PARITY Type: Configuration Format: AT [cmds] _On [cmds] Description: Selects the format of the parity bit. Command Function _O0 Even parity. _O1 Mark parity. _O2 Odd parity. _O3 No parity. DATA PARITY Type: Configuration Format: AT [cmds] S73=n [cmds] Description: Selects the format of the parity bit. Command Function S73=0 No parity. S73=1 Odd parity. S73=2 Even parity. DATA STOP Type: Configuration Format: AT [cmds] _Qn [cmds] Description: Selects the number of stop bits. Command Function _Q0 One stop bit. _Q1 Two stop bits. DATA STOP Type: Configuration Format: AT [cmds] S74=n [cmds] Description: Selects the number of stop bits. Command Function S74=0 One stop bit. S74=1 One and a half stop bits. S74=2 Two stop bits. DIAL STORED NUMBER Type: Immediate Format: AT [cmds] DTSn [cmds] Description: Dials the number stored in memory location n. DISPLAY CALLER ID Type: Immediate Format: AT [cmds] &Nn [cmds] Description: Reads the remote TA’s telephone number. Command Function &N1 Reads the remote TA’s first SPID. &N2 Reads the remote TA’s second SPID. DISPLAY STORED NUMBER Type: Register Format: AT [cmds] SS8n? [cmds] Description: Displays the number stored in memory location n. DSR SIGNAL Type: Configuration Format: AT [cmds] &Sn [cmds] Description: Controls the behaviour of the DSR signal. Command Function &S0 DSR forced high. &S1 DSR normal. &S2 DSR forced low when there is no connection. &S3 DSR forced low in Dialup mode. DSR SIGNAL Type: Register Format: AT [cmds] S32=n [cmds] Description: Controls the behaviour of the DSR signal. Command Function S32=0 DSR forced high. S32=1 DSR normal. S32=2 DSR forced low when there is no connection. S32=3 DSR forced low in Dialup mode. DSR SIGNAL - TEST MODE Type: Immediate Format: AT [cmds] _Cn [cmds] Description: Controls the behaviour of the DSR signal when in a test mode. Command Function _C0 DSR forced low. _C1 DSR forced high. DTR SIGNAL Type: Configuration Format: AT [cmds] &Dn [cmds] Description: Controls the behaviour of the DTR signal. Command Function &D0 DTR forced high. &D1 TA enters command mode when DTR goes low. &D2 TA hangs up and returns to command mode when DTR goes low. DTR SIGNAL Type: Register Format: AT [cmds] S34=n [cmds] Description: Controls the behaviour of the DTR signal. Command Function S34=0 DTR forced high. S34=1 TA enters command mode when DTR goes low. S34=2 TA hangs up and returns to command mode when DTR goes low. S34=4 TA hangs up on an incoming call and returns to command mode when DTR goes low. S34=8 TA hangs up on an outgoing call and returns to command mode when DTR goes low. ECHO TONE Type: Register Format: AT [cmds] S56=n [cmds] Description: Selects whether an echo tone will be used. Command Function S56=0 Echo tone disabled. S56=1 Echo tone enabled on answer only. S56=2 Echo tone enabled on originate only. S56=3 Echo tone enabled. ERROR COUNTER Type: Immediate Format: AT [cmds] _Vn [cmds] Description: Increments or clears the error counter for test modes. Command Function _V0 Clears the error counter. _V1 Increments the error counter by introducing an error into the test pattern. ESCAPE SEQUENCE - OUT OF BAND Type: Immediate Format: AT [cmds] Description: Puts the modem in Command Mode. Notes: Do not precede this command with AT. refers to the hardware modem break signal. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] \Qn [cmds] Description: Selects the type of flow control that will be used. Command Function \Q0 Flow control disabled. \Q1 XON/XOFF flow control enabled. \Q2 CTS flow control enabled. \Q3 RTS/CTS flow control enabled. INCOMING CALLS Type: Register Format: AT [cmds] S58=n [cmds] Description: Selects which calls the TA will answer. Command Function S58=0 All calls will be answered. S58=1 Only calls from stored numbers will be answered. LDN Type: Configuration Format: AT [cmds] _Nn [cmds] Description: Selects which LDN will be used. Command Function _N0 Select LDN 1. _N1 Select LDN 2. LDN 1 SET Type: Configuration Format: AT [cmds] SS62=<#> [cmds] Description: Sets the first LDN. LDN 2 SET Type: Configuration Format: AT [cmds] SS63=<#> [cmds] Description: Sets the second LDN. LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Description: Selects the type of line the TA is connected to. Command Function &L0 Standard dial-out ISDN. &L1 Leased-line ISDN. &L2 Leased-line ISDN, dial backup enabled. LINE TYPE Type: Configuration Format: AT [cmds] S50=n [cmds] Description: Selects the type of line the TA is connected to. Command Function S50=0 Standard dial-out ISDN. S50=1 Leased-line ISDN. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] %Kn [cmds] Description: Selects the speed of the serial port. Command Function %K0 Selects 300bps speed. %K1 Selects 1200bps speed. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] S71=n [cmds] Description: Selects the speed of the serial port. Command Function S71=1 Selects 300bps speed. S71=3 Selects 1200bps speed. S71=6 Selects 2400bps speed. S71=8 Selects 4800bps speed. S71=11 Selects 9600bps speed. S71=15 Selects 19.2Kbps speed. S71=17 Selects 38.4Kbps speed. S71=18 Selects 48Kbps speed. S71=19 Selects 56Kbps speed. S71=20 Selects 57.6Kbps speed. S71=21 Selects 64Kbps speed. S71=22 Selects 112Kbps speed. S71=23 Selects 115.2Kbps speed. S71=24 Selects 128.8Kbps speed. LOCK SERIAL PORT SPEED - T-LINK Type: Configuration Format: AT [cmds] Ln [cmds] Description: Selects whether the TA will negotiate the serial port speed when using the T-Link protocol. Command Function L0 Serial port speed locked. L1 TA will negotiate serial port speed. LOOPBACK TEST Type: Register Format: AT [cmds] S57=n [cmds] Description: Selects what types of loopback tests the TA will use. Command Function S57=0 Loopback testing disabled. S57=1 TA will perform DDS latching loopback test. S57=2 TA will perform V.54 loopback test. S57=3 TA will perform V.54 and DDS latching loopback tests. PRODUCT ID Type: Register Format: AT [cmds] S78=n [cmds] Description: Sets the Product ID. PROTOCOL Type: Register Format: AT [cmds] S54=n [cmds] Description: Selects what type of protocol the TA will use. Command Function S54=1 TA will use clear channel. S54=2 TA will use Bonding Mode 1. S54=3 TA will use SAP. S54=4 TA will use T-Link. S54=6 TA will use V.120. S54=9 TA will use 57.6Kbps asynchronous. S54=11 TA will fall back to common protocol. S54=12 TA will use PPP. RESET TO FACTORY DEFAULTS Type: Immediate Format: AT [cmds] &Fn [cmds] Description: Resets the TA’s configuration to one of the factory default setups. Command Function &F0 Resets to default configuration. &F1 Resets to 56Kbps synchronous setup. &F2 Resets to 64Kbps synchronous setup. &F3 Resets to 112Kbps synchronous setup. &F4 Resets to 128Kbps synchronous setup. &F5 Resets to 128Kbps leased-line setup. &F6 Resets to 128Kbps LDM Master setup. &F7 Resets to 57.6Kbps asynchronous setup. &F8 Resets to 115.2Kbps asynchronous setup. &F9 Resets to 57.6Kbps asynchronous setup with fallback. RESULT CODES - SPEED Type: Register Format: AT [cmds] S22=n [cmds] Description: Selects whether CONNECT messages will display connect speed. Command Function S22=0 Speed will not be displayed. S22=224 Speed will be displayed. RTS TO CTS DELAY Type: Configuration Format: AT [cmds] _Dn [cmds] Description: Selects the delay when CTS follows RTS. Command Function _D0 Set delay to 1ms. _D1 Set delay to 18ms. RTS TO CTS DELAY Type: Register Format: AT [cmds] S31=n [cmds] Description: Selects the delay when CTS follows RTS. Command Function S31=0 Set delay to 1ms. S31=1 Set delay to 18ms. SPID Type: Configuration Format: AT [cmds] _In [cmds] Description: Selects which SPID will be used. Command Function _I0 Select SPID 1. _I1 Select SPID 2. SPID 1 SET Type: Configuration Format: AT [cmds] SS60=<#> [cmds] Description: Sets the first SPID. SPID 2 SET Type: Configuration Format: AT [cmds] SS61=<#> [cmds] Description: Sets the second SPID. STORE NUMBER IN MEMORY Type: Register Format: AT [cmds] SS8n=<#> [cmds] Description: Stores a number in memory location n. SWITCH TYPE Type: Configuration Format: AT [cmds] _Sn [cmds] Description: Selects what type of switch the TA is connected to. Command Function _S0 5ESS switch type. _S1 DMS100 switch type. _S2 National type 1 switch. _S3 NEC switch type. SWITCH TYPE Type: Configuration Format: AT [cmds] S52=n [cmds] Description: Selects what type of switch the TA is connected to. Command Function S52=0 5ESS switch type. S52=1 DMS100 switch type. S52=2 National type 1 switch. S52=3 NEC switch type. SYNC/ASYNC MODE Type: Immediate Format: AT [cmds] &Qn [cmds] Description: Selects synchronous or asynchronous mode. Command Function &Q0 Selects asynchronous mode. &Q2 Selects synchronous mode. SYNC/ASYNC MODE Type: Immediate Format: AT [cmds] S70=n [cmds] Description: Selects synchronous or asynchronous mode. Command Function S70=0 Selects asynchronous mode. S70=2 Selects synchronous mode. TEST MODES Type: Immediate Format: AT [cmds] &Tn [cmds] Description: Puts the TA into test modes. Command Function &T0 Ends test in progress. &T1 Displays all test errors. &T2 Displays totals on tests. &T3 Begins local loopback test. &T4 Begins network loopback test. &T5 Begins protocol loopback test. &T6 Begins remote loopback test. &T7 Begins remote test. &T8 Denies request for remote loopback test. &T9 Grants request for remote loopback test. &T10 Grants request for remote V.54 loopback test. &T11 Grants request for remote DDS latching and V.54 loopback test. &T12 Displays near- and far-end block error information. TEST STATUS Type: Register (Read-only) Format: AT [cmds] S49? [cmds] Description: Reports the status of the self-test. Value Meaning 0 Self-test passed. 1 Self-test detected an error in ROM. 2 Self-test detected an error in RAM.