MULTI-TECH SYSTEMS, INC. ISI3334/4, ISI3334/8, ISI3334/EC Card Type Modem (asynchronous) Processor Type 80186 Processor Speed 16MHz Chip Set Unidentified Maximum Onboard Memory 256KB RAM Maximum Data Rate 33.6Kbps x 4 (8 with daughtercard) Maximum Fax Rate 14.4Kbps x 4 (8 with daughtercard) Data Bus 16-bit ISA Fax Class Class II Data Modulation Protocol Bell 103A/212A ITU-T V.22, V.22bis, V.32, V.32bis, V.34 AT&T V.32terbo Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Function Label Function Label Telephone line 1 out J1 Telephone line 8 out J8 Telephone line 2 out J2 Header to daughterboard J9A J9B Telephone line 3 out J3 Header to main board J9A J9B Telephone line 4 out J4 Header to daughterboard J10A J10B Telephone line 5 out J5 Header to main board J10A J10B Telephone line 6 out J6 Header to daughterboard J11A J11B Telephone line 7 out J7 Header to main board J11A J11B Note: J5 through J8 will not be active unless the daughtercard is installed. USER CONFIGURABLE SETTINGS Setting Label Position Daughtercard is not installed JP1 Pins 1 & 2 closed Daughtercard is installed JP1 Pins 2 & 3 closed INTERRUPT SELECTION Setting JP2/A JP2/B JP2/C JP2/D JP2/E JP2/F JP2/G JP2/H JP2/I 2 Closed Open Open Open Open Open Open Open Open 3 Open Closed Open Open Open Open Open Open Open 4 Open Open Closed Open Open Open Open Open Open 5 Open Open Open Closed Open Open Open Open Open 7 Open Open Open Open Closed Open Open Open Open 10 Open Open Open Open Open Closed Open Open Open 11 Open Open Open Open Open Open Closed Open Open 12 Open Open Open Open Open Open Open Closed Open 15 Open Open Open Open Open Open Open Open Closed BASE I/O ADDRESS SELECTION Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 000h On On On On On On On On 008h Off On On On On On On On 010h On Off On On On On On On 018h Off Off On On On On On On 020h On On Off On On On On On 200h On On On On On On Off On 7D8h Off Off On Off Off Off Off Off 7E0h On On Off Off Off Off Off Off 7E8h Off On Off Off Off Off Off Off 7F0h On Off Off Off Off Off Off Off 7F8h Off Off Off Off Off Off Off Off Note: A total of 256 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=1024, SW1/7=512, SW1/6=256, SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) SUPPORTED STANDARD COMMANDS Basic AT Commands +++, ‘comma’, A/ A, B, D, E, H, O, P, T, V, W, X, Y, Z &D, &F, &G, &P, &S, &T, &W S-Registers S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S30 Note: See MHI documentation for complete information. Proprietary AT Command Set ANSWER/ORIGINATE MODE Type: Configuration Format: AT [cmds] Rn [cmds] Description: Selects whether the modem will answer and originate calls in normal or reversed mode. Command Function R0 Modem will answer calls in answer mode and originate calls in originate mode. R1 Modem will answer calls in originate mode and originate calls in answer mode. AUTO-RELIABLE FALLBACK Type: Configuration Format: AT [cmds] $Fn [cmds] Description: Selects whether error correction can be disabled by a while handshaking. Command Function $F0 Auto-reliable fallback disabled. $F1 Auto-reliable fallback enabled. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] $An [cmds] Description: Controls the handling of incoming data during auto-reliable time period. Command Function $A0 Data is discarded. $A1 Data is buffered. BREAK LENGTH Type: Configuration Format: AT [cmds] S17=n [cmds] Default: 250 Range: 0 - 250 Unit: 10 mS Description: Sets the length of the break signal the modem will send to the local serial port. BUFFER SIZE Type: Configuration Format: AT [cmds] &Bn [cmds] Description: Selects the modem’s transmit/receive buffer size. Command Function &B0 Normal buffer size. &B1 Small buffer size. CD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Description: Configures the behavior of the carrier detect signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced high except during disconnect. &C4 Modem resets on low CD. CLEAR DOWN SIGNAL Type: Configuration Format: AT [cmds] &CDn [cmds] Description: Selects whether the modem will send a clear down signal when disconnecting. Command Function &CD0 Modem will not send clear down signal. &CD1 Modem will send clear down signal. COMMAND SET Type: Configuration Format: AT &Qn Description: Selects standard Hayes or custom command sets. Command Function &Q0 Multi-Tech custom command set enabled. &Q1 Standard Hayes command set enabled. COMPRESSION Type: Configuration Format: AT &En Description: Selects data compression. Command Function &E14 Data compression disabled. &E15 Data compression enabled. COMPRESSION MODE Type: Configuration Format: AT #Ln Description: Selects active compression protocols. Command Function #L0 MNP and V.42 negotiation enabled. #L1 MNP negotiation enabled. #L2 V.42 negotiation enabled. #L3 V.42 enabled with no negotiation. CTS SIGNAL Type: Configuration Format: AT [cmds] &Rn [cmds] Description: Controls the behaviour of the CTS signal. Command Function &R0 CTS normal. &R1 CTS forced high in command mode. &R2 CTS forced low for 1 second during disconnect. CTS SIGNAL Type: Configuration Format: AT [cmds] &RFn [cmds] Description: Selects the function of the CTS signal. Command Function &RF0 CTS follows RTS. &RF1 CTS normal. DATA LENGTH Type: Configuration Format: AT [cmds] $EBn [cmds] Description: Selects 10- or 11-bit mode. Command Function $EB0 Sets 10-bit mode. $EB1 Sets 11-bit mode. DATA PARITY Type: Configuration Format: AT [cmds] #Pn [cmds] Description: Sets the parity of the serial port. Command Function #P0 No parity. #P1 Odd parity. #P2 Even parity. DATA PUMP TONE Type: Configuration Format: AT [cmds] $FCn [cmds] Description: Selects whether the data pump will transmit a 5 second 2100Hz tone. Command Function $FC0 Data pump will not transmit tone. $FC1 Data pump will transmit tone. DIAL STORED PHONE NUMBER Type: Immediate Format: AT [cmds] Na [Nb, Nc...] Description: Dials stored phone number(s). If the first number is busy, the modem will proceed to the next number in the list. DISCONNECT SIGNAL DROP - PBX Type: Register Format: AT [cmds] S24=n [cmds] Default: 20 Range: 0 - 255 Unit: 50 ms Description: Sets the time to drop the DTR, CTS, and DCD signals on disconnect when modem is connected to a PBX. DISPLAY CONFIGURATION Type: Immediate Format: AT Ln Description: Displays modem configuration. Command Function L5 Displays all settings. L6 Displays the values of all S-registers. L7 Displays extended parameters. L8 Displays current diagnostics. L9 Displays current signal strength. L10 Displays current signal-to-noise ratio. L11 Displays current noise level. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Description: Displays information requested about the modem. Command Function I0 Displays product identification code. I1 Displays firmware revision. I2 Displays product name. I3 Factory use only. I5 Displays DSP chip version. I9 Displays modem features. DSR SIGNAL Type: Configuration Format: AT [cmds] &SFn [cmds] Description: Selects the function of the DSR signal. Command Function &SF0 DSR is set to CD. &SF1 DSR is independent of CD. DTR DIALING Type: Configuration Format: AT [cmds] $Dn [cmds] Description: Selects the DTR dialing function. Command Function $D0 DTR dialing disabled. $D1 DTR dialing enabled. DTR SIGNAL DROP Type: Register Format: AT [cmds] S25=n [cmds] Default: 0 Range: 0 - 255 Unit: 100 ms Description: Sets the time to drop the DTR signal on disconnect. A value of 0 sets this to 50 mS. ESCAPE SEQUENCE BUFFER SIZE Type: Register Format: AT [cmds] S34=n [cmds] Default: 10 Range: 0-60 Unit: 1 byte Description: Sets the size of the buffer used to store entered commands during an escape sequence. ESCAPE SEQUENCE RESPONSE Type: Configuration Format: AT [cmds] %En [cmds] Description: Sets the response that the modem will give to an escape sequence. %E4 OK response to command escape disabled. %E5 OK response to command escape enabled. ESCAPE SEQUENCE TIMEOUT Type: Register Format: AT [cmds] S32=n [cmds] Default: 20 Range: 0-255 Unit: 1 second Description: Sets the maximum amount of time the modem will wait for a while executing an escape sequence. ESCAPE SEQUENCE TYPE Type: Configuration Format: AT [cmds] %En [cmds] Description: Sets the type of command escape sequence the modem will recognise. Command Function %E0 Command escape disabled. %E1 TIES escape (+++AT...) %E2 AT method. %E3 Both TIES and BREAK methods. FALLBACK MODE Type: Configuration Format: AT [cmds] #Fn [cmds] Description: Sets direction of fallback. Command Function #F0 Fallback disabled. #F1 Fallback from 33.6Kbps to 2400bps as line quality degrades. #F2 Fallback from 2400bps to 33.6Kbps as line quality improves. FLOW CONTROL Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects flow control. Command Function &E12 Flow control disabled. &E13 Flow control enabled. FLOW CONTROL - ENQ/ACK Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects ENQ/ACK pacing. Command Function &E8 Enables ENQ/ACK pacing. &E9 Disables ENQ/ACK pacing. FLOW CONTROL IN NORMAL MODE Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects XON/XOFF flow control for non-error-correcting connections. Command Function &E10 XON/XOFF disabled for non-error-correcting connections. &E11 XON/XOFF enabled for non-error-correcting connections. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] &En [cmds] Description: Sets type of flow control used by modem. Command Function &E3 Flow control disabled. &E4 CTS/RTS flow control enabled. &E5 XON/XOFF flow control enabled. HANDSHAKE ATTEMPTS Type: Configuration Format: AT [cmds] #An [cmds] Description: Configures the initial handshake phase. Command Function #A0 Attempts speeds in order: 33.6Kbps, 31.2Kbps, 28.8Kbps, 24Kbps, 21.6Kbps, 19.2Kbps, 16.8Kbps, 14.4Kbps, 12Kbps, 9600bps, 4800bps, 2400bps, 1200bps, 300bps. #A1 Attempts only 33.6Kbps. #A2 Attempts speeds in order: 33.6Kbps, 31.2Kbps, 28.8Kbps, 24Kbps, 21.6Kbps, 19.2Kbps, 16.8Kbps, 14.4Kbps, 12Kbps, 9600bps, 4800bps. #A3 Attempts speeds in order: 2400bps, 1200bps, 300bps. HELP SCREENS Type: Immediate Format: AT $Hn Description: Shows modem help screens. Command Function $H1 Shows help screen 1. $H2 Shows help screen 2. $H3 Shows help screen 3. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] $SBnnn [cmds] Description: Sets serial port speed. Command Function $SB300 Sets 300bps speed. $SB1200 Sets 1200bps speed. $SB2400 Sets 2400bps speed. $SB4800 Sets 4800bps speed. $SB9600 Sets 9600bps speed. $SB19200 Sets 19.2Kbps speed. $SB38400 Sets 38.4Kbps speed. $SB57600 Sets 57.6Kbps speed. $SB115200 Sets 115.2Kbps speed. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] $BAn [cmds] Description: Sets operation of serial port speed. Command Function $BA0 Serial speed locked at rate set by $SB. $BA1 Serial speed follows connect speed, ignoring $SB. LOGIN PASSWORD Type: Configuration Format: AT [cmds] #Ixxxx Description: Sets the login password to xxxx. The password must be between 6 and 10 characters, case sensitive. It defaults to MULTI-TECH. MAXIMUM BLOCK SIZE FOR TRANSMISSION Type: Configuration Format: AT [cmds] &BSn [cmds] Description: Sets the maximum transmittable block size for data compression modes. Command Function &BS0 Maximum block size is 64 characters. &BS1 Maximum block size is 256 characters in MNP mode and 128 characters in LAPM mode. MAXIMUM LINE SPEED Type: Configuration Format: AT $MBnnn Description: Sets the maximum allowable data exchange rate attempted during handshake process. Command Function $MB75 Sets V.23 (1200bps/75bps bi-directional). $MB300 Sets 300bps maximum connect speed. $MB1200 Sets 1200bps maximum connect speed. $MB2400 Sets 2400bps maximum connect speed. $MB4800 Sets 4800bps maximum connect speed. $MB9600 Sets 9600bps maximum connect speed. $MB14400 Sets 14.4Kbps maximum connect speed. $MB19200 Sets 19.2Kbps maximum connect speed. $MB28800 Sets 28.8Kbps maximum connect speed. $MB33600 Sets 33.6Kbps maximum connect speed. REDIAL Type: Immediate Format: A: Description: Redials the last number dialed until it is no longer busy. Note: Do not precede this command with AT or follow it with . REMOTE CONFIGURATION CHARACTER Type: Register Format: AT [cmds] S13=n [cmds] Default: 37 Range: 0 - 127 Unit: 1 ASCII character Description: Defines the character that, when sent four times within the guard time set by S12, will notify the remote modem that a remote configuration session has been requested. RESULT CODES Type: Configuration Format: AT [cmds] Qn [cmds] Description: Enables modem to send result codes to the DTE. Command Function Q0 Result codes enabled. Q1 Result codes disabled. Q2 Dumb answer mode enabled. RETRANSMIT FAIL ACTION Type: Configuration Format: AT [cmds] $Rn [cmds] Description: Sets whether the modem gives up on a bad connection. Command Function $R0 Hang up after 12 failed retransmissions. $R1 Do not hang up after 12 failed retransmissions. SETUP PASSWORD Type: Configuration Format: AT [cmds] #Sxxxx Description: Sets the setup password to xxxx. The password must be between 6 and 10 characters, case sensitive. It defaults to MODEMSETUP. TEST MODES Type: Immediate Format: AT [cmds] Un [cmds] Description: Performs test modes. Command Function U0 Begin local analog loopback test in originate mode. U1 Begin local analog loopback test in answer mode. U2 Request remote digital loopback U3 Begin local digital loopback. TIME UNTIL OFF HOOK ON HIGH DTR Type: Register Format: AT [cmds] S37=n [cmds] Default: 0 Range: 0-255 Unit: 1 second Description: Sets the amount of time the modem will wait to pick up after the DTR signal goes high. TIME UNTIL ON HOOK ON LOW DTR Type: Register Format: AT [cmds] S36=n [cmds] Default: 0 Range: 0-255 Unit: 1 second Description: Sets the amount of time the modem will wait to hang up after the DTR signal goes low. TRELLIS CODING Type: Configuration Format: AT [cmds] #Tn [cmds] Description: Selects whether the modem will use trellis coding. Command Function #T0 Trellis coding disabled. #T1 Trellis coding enabled. V.32terbo CONTROL Type: Configuration Format: AT [cmds] #Vn [cmds] Description: Controls the V.32terbo protocol in answer mode. Command Function #V0 V.32terbo enabled. #V1 V.32terbo disabled. V.34 LINE PROBE Type: Configuration Format: AT [cmds] %DPn [cmds] Description: Selects whether the modem will read line probe information from the DSP chip during handshaking. Command Function %DP0 Line probe information not read during handshaking. %DP1 Line probe information read during handshaking. V.34 LINE PROBE - DISPLAY Type: Immediate Format: AT [cmds] %DFn [cmds] Description: Displays V.34 line probe data. Command Function %DF0 Displays V.34 line probe data in graph format. %DF1 Displays V.34 line probe data in table format. V.34 - MAXIMUM LINE SPEED Type: Register Format: AT [cmds] S48=n [cmds] Description: Sets the maximum line speed the modem will attempt to connect at when in V.34 mode. Command Function S48=0 Modem will attempt to connect at 33.6Kbps. S48=4 Modem will attempt to connect at 4800bps. S48=9 Modem will attempt to connect at 9600bps. S48=12 Modem will attempt to connect at 12Kbps. S48=14 Modem will attempt to connect at 14.4Kbps. S48=16 Modem will attempt to connect at 16.8Kbps. S48=19 Modem will attempt to connect at 19.2Kbps. S48=21 Modem will attempt to connect at 21.6Kbps. S48=26 Modem will attempt to connect at 26.4Kbps. S48=28 Modem will attempt to connect at 28.8Kbps. S48=31 Modem will attempt to connect at 31.2Kbps. S48=33 Modem will attempt to connect at 33.6Kbps. V.42 FAILURE REACTION Type: Configuration Format: AT [cmds] &En [cmds] Description: Sets the modem's reaction if it fails to connect with V.42. Command Function &E0 Error correction disabled. &E1 Modem will fall back to normal mode. &E2 Modem will not fall back to normal mode. XOFF SEND Type: Configuration Format: AT [cmds] #Xn [cmds] Description: Selects how XOFF signal is sent. Command Function #X0 Single XOFF character are sent until the DTE responds. #X1 Multiple XOFF characters are sent until the DTE responds. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] &En [cmds] Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function &E6 XON/XOFF signals trapped by local modem. &E7 XON/XOFF passed through local modem.