ADTRAN ISU 128 V.32BIS Card Type ISDN TA/Modem Chip Set Unidentified I/O Options Dial port ISDN Transfer Rate 56/64Kbps x 2 Modem Transfer Rate 14.4Kbps Data Bus External ISDN Protocol SAP, T-Link, V.120, PPP Modem Modulation Protocol V.32bis Switch Type 5ESS, NI-1, DMS-100, NEC Error Corrrection/Compression MNP5 [Image] CONNECTIONS Function Label Function Label ENTER button B1 3 button B13 UP button B2 6 button B14 DOWN button B3 9 button B15 CANCEL button B4 # button B16 1 button B5 RS-366 port for dialing CN1 4 button B6 RS-232/422 port CN2 7 button B7 V.35 port CN3 * button B8 Leased line out CN4 2 button B9 Switched line out CN5 5 button B10 120V AC power CN6 8 button B11 Power switch SW1 0 button B12 DIAGNOSTIC LED(S) LED Color Status Condition RS Green On RTS signal is high RS Green Off RTS signal is low CS Green On CTS signal is high CS Green Off CTS signal is low TD Green On DSU is transmitting data TD Green Off DSU is not transmitting data RD Green On DSU is receiving data RD Green Off DSU is not receiving data CD Green On Carrier signal detected CD Green Off Carrier signal not detected TR Green On DTR signal is high TR Green Off DTR signal is low SR Green On DSR signal is high SR Green Off DSR signal is low Proprietary AT Command Set 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 Ignore all calls. 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. 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: 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. 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: 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. Note: Internal clock source may only be used in leased-line mode. COMMAND SETS Type: Immediate Format: AT [cmds] S55=n [cmds] Description: Selects the command set that will be used. Command Function S55=0 Command sets disabled. S55=1 Dial port only enabled. S55=2 AT command set enabled. S55=3 V.25bis command set enabled. COMPRESSION Type: Configuration Format: AT [cmds] %Cn [cmds] Description: Selects how the modem will compress data. Command Function %C0 Compression disabled. %C1 Compression enabled. COMPRESSION Type: Register Format: AT [cmds] S37=n [cmds] Description: Selects how the modem will compress data. Command Function S37=0 Compression disabled. S37=1 Compression enabled. COMPRESSION/ERROR CORRECTION MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Description: Selects the types of compression and error correction that will be attempted. Command Function \N0 Normal mode only, compression and error correction disabled. \N1 Direct mode only, compression and error correction disabled. \N2 MNP attempted, modem will disconnect if MNP connection fails. \N3 MNP attempted, modem will attempt normal mode if MNP connection fails. COMPRESSION/ERROR CORRECTION MODE Type: Register Format: AT [cmds] S36=n [cmds] Description: Selects the types of compression and error correction that will be attempted. Command Function S36=0 Normal mode only, compression and error correction disabled. S36=1 Direct mode only, compression and error correction disabled. S36=2 MNP attempted, modem will disconnect if MNP connection fails. S36=3 MNP attempted, modem will attempt normal mode if MNP connection fails. 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] 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] 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] 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 PORT DELAY TIMER Type: Register Format: AT [cmds] S47=n [cmds] Description: Sets the amount of time the dial port will wait before assuming the user is finished entering the number to dial. Command Function S47=0 Wait for EON signal only. S47=10 Wait 1 second. S47=20 Wait 2 second. S47=50 Wait 5 second. S47=100 Wait 10 second. S47=200 Wait 20 second. 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. DTE PORT Type: Register Format: AT [cmds] S35=n [cmds] Description: Selects which port is connected to the DTE. Command Function S35=0 RS-232 port is connected to DTE. S35=1 V.35 port is connected to DTE. 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. 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 Bidirectional XON/XOFF flow control enabled. \Q2 CTS flow control enabled. \Q3 RTS/CTS flow control enabled. \Q4 XON/XOFF flow control from TA enabled. FLOW CONTROL TYPE Type: Register Format: AT [cmds] S75=n [cmds] Description: Selects the type of flow control that will be used. Command Function S75=0 Flow control disabled. S75=1 XON/XOFF flow control from DTE enabled. S75=2 XON/XOFF flow control from TA enabled. S75=3 RTS/CTS flow control enabled. S75=12 Bidirectional XON/XOFF 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] 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. 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. MNP BLOCK SIZE Type: Configuration Format: AT [cmds] \An [cmds] Description: Sets the maximum size of a block in MNP mode. Command Function \A0 Maximum block size is 64 bytes. \A1 Maximum block size is 128 bytes. \A2 Maximum block size is 192 bytes. \A3 Maximum block size is 256 bytes. MNP BLOCK SIZE Type: Register Format: AT [cmds] S38=n [cmds] Description: Sets the maximum size of a block in MNP mode. Command Function S38=0 Maximum block size is 64 bytes. S38=1 Maximum block size is 128 bytes. S38=2 Maximum block size is 192 bytes. S38=3 Maximum block size is 256 bytes. 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=7 TA will use V.32bis protocol for modem call. 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. &F10 Resets to V.32bis modem setup. &F11 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] S70=n [cmds] Description: Selects synchronous or asynchronous mode. Command Function S70=0 Selects asynchronous mode. S70=1 Selects synchronous mode. V.25bis MODE Type: Register Format: AT [cmds] S46=n [cmds] Description: Selects what format will be used for V.25bis mode. Command Function S46=0 Use asynchronous V.25bis. S46=1 Use synchronous HDLC V.25bis. S46=2 Use synchronous BISYNC V.25bis.