3COM CORPORATION 3COMIMPACT IQ (3C882) Card Type ISDN TA Chipset Unidentified Error Correction/Compression STAC ISDN Transfer Rate 56Kbps x 2/64Kbps x 2 ISDN Protocol V.120, PPP Switch Type 5ESS, DMS100, EWSD, NI-1 Data Bus Serial [Image] CONNECTIONS Function Label Function Label ISDN U interface CN1 Analog adapter 2 CN4 Serial port CN2 9V DC power in CN5 Analog adapter 1 CN3 Reset switch SW1 DIAGNOSTIC LED(S) LED Color Status Condition PWR Green On Power is on PWR Green Off Power is off TEST Green On TA failed last test TEST Green Blinking TA is executing test TEST Green Off TA is not executing test D Green On Signal is not synchronized or ISDN is not connected D Green Blinking Signal is synchronized but D-channel protocols not established D Green Off Signal is synchronized B1 Green On Data call connected on B1 channel B1 Amber On Voice call connected on B1 channel B1 Green Blinking TA is dialing data call on B1 channel B1 Amber Blinking TA is dialing voice call on B1 channel B1 N/A Off B1 channel is not connected DIAGNOSTIC LED(S) (CON’T) LED Color Status Condition B2 Green On Data call connected on B2 channel B2 Amber On Voice call connected on B2 channel B2 Green Blinking TA is dialing data call on B2 channel B2 Amber Blinking TA is dialing voice call on B2 channel B2 N/A Off B2 channel is not connected SD Green On TA is transmitting data SD Green Off TA is not transmitting data RD Green On TA is receiving data RD Green Off TA is not receiving data TR Green On DTR signal is high TR Green Off DTR signal is low SUPPORTED STANDARD COMMANDS Basic AT Commands +++ A, E, H, O, Q, V, W, Z &C, &D, &F, &W Extended AT Commands \Q, \T S-Registers S0 Note:See MHI help file for complete information. Proprietary AT Command Set ANALOG ADAPTER CALL ROUTING Format: AT [cmds] S63= n [cmds] Default: 15 Range: 0 - 15 Description: Selects which analog adapters may answer which calls. Bit Value Function 0 0 Calls to analog adapter 1 may not be answered 1 by analog adapter 1. Calls to analog adapter 1 may be answered by analog adapter 1. 1 0 Calls to analog adapter 1 may not be answered 1 by analog adapter 2. Calls to analog adapter 1 may be answered by analog adapter 2. 2 0 Calls to analog adapter 2 may not be answered 1 by analog adapter 1. Calls to analog adapter 2 may be answered by analog adapter 1. 3 0 Calls to analog adapter 2 may not be answered 1 by analog adapter 2. Calls to analog adapter 2 may be answered by analog adapter 2. ANSWER DELAY Type: Register Format: AT [cmds] S75= n [cmds] Description: Selects whether the TA waits to answer an incoming call. Command Function » S75=0 TA does not wait to answer an incoming call. S75=1 TA waits two seconds to answer an incoming call. CALL TYPE Type: Register Format: AT [cmds] S61= n [cmds] Description: Selects whether the TA will force a particular call type. Command Function » S61=0 D command dials in standard mode and DD command dials in 56Kbps permissive mode. S61=1 Both commands dial in 56Kbps permissive mode. S61=2 Both commands dial in standard mode. CALLER ID - ANALOG ADAPTER 1 Type: Register (read-only) Format: AT [cmds] S65? [cmds] Description: Displays the Caller ID information for analog adapter 1. CALLER ID - ANALOG ADAPTER 2 Type: Register (read-only) Format: AT [cmds] S66? [cmds] Description: Displays the Caller ID information for analog adapter 1. CALLER ID - ISDN Type: Register (read-only) Format: AT [cmds] S67? [cmds] Description: Displays the Caller ID information for the ISDN line. CHALLENGE HANDSHAKE AUTHENTICATION PROTOCOL Type: Register Format: AT [cmds] S84= n [cmds] Description: Selects whether the TA will attempt to use CHAP. Command Function S84=0 CHAP negotiation enabled. » S84=1 CHAP negotiation disabled. COMPRESSION Type: Configuration Format: AT [cmds] %C n [cmds] Description: Selects whether the TA will use data compression. Command Function %C0 Data compression disabled. %C2 Data compression enabled. DIAL - STANDARD Type: Immediate Format: AT [cmds] D <#> [cmds] Description: Dials the number indicated to make a standard ISDN connection. DIAL - PERMISSIVE Type: Immediate Format: AT [cmds] DD <#> [cmds] Description: Dials the number indicated to make a 56Kbps permissive connection. DISPLAY CONFIGURATION AND STATISTICS Type: Immediate Format: AT [cmds] \S [cmds] Description: Displays the settings of all commands and statistics about the current connection. DISPLAY FIRMWARE VERSION Type: Immediate Format: AT [cmds] %V [cmds] Description: Displays the current firmware version. DISPLAY INFORMATION Type: Immediate Format: AT [cmds] I n [cmds] Description: Displays information requested about the TA. Command Function I0 Displays model number. I1 Displays ROM checksum. I2 Tests and reports ROM checksum. I3 Displays model and version. DISPLAY REGISTERS Type: Immediate Format: AT [cmds] %R n [cmds] Description: Displays the settings of all status registers. DISPLAY SERIAL NUMBER Type: Immediate Format: AT [cmds] %S n [cmds] Description: Displays the serial number of the TA. DYNAMIC BANDWIDTH ALLOCATION Type: Register Format: AT [cmds] S70= n [cmds] Description: Selects whether dynamic bandwidth allocation will be used to allow simultaneous data and voice calls. Command Function S70=0 Dynamic bandwidth allocation disabled. » S70=1 Dynamic bandwidth allocation enabled. ENDPOINT DISCRIMINATOR Type: Register Format: AT [cmds] S83= nnnn [cmds] Description: Sets the endpoint discriminator address for multipoint PPP systems. Up to twenty numbers may be specified. ENDPOINT DISCRIMINATOR CLASS Type: Configuration Format: AT [cmds] S82= n [cmds] Description: Sets the endpoint discriminator class for multipoint PPP systems. Command Function S82=1 User-defined address. S82=2 IP address. S82=3 802.1 MAC address. S82=4 PPP magic number block. » S82=5 Public Switched Network Directory number. LOCAL SERIAL PORT SPEED Type: Configuration Format: AT [cmds] $B n [cmds] Description: Sets the speed that the TA will communicate with the DTE. Command Function » $B0 Auto-detects current serial port speed. $B1200 Sets the serial port to 1200bps. $B2400 Sets the serial port to 2400bps. $B4800 Sets the serial port to 4800bps. $B9600 Sets the serial port to 9600bps. $B19200 Sets the serial port to 19.2Kbps. $B38400 Sets the serial port to 38.4Kbps. $B57600 Sets the serial port to 57.6Kbps. $B115200 Sets the serial port to 115.2Kbps. $B230400 Sets the serial port to 230.4Kbps. LINE SPEED Type: Register Format: AT [cmds] S60= n [cmds] Description: Selects the line speed that the TA will attempt to connect at. Command Function » S60=56 TA will attempt to connect at 56Kbps. S60=64 TA will attempt to connect at 64Kbps. MULTILINK PPP Type: Register Format: AT [cmds] S80= n [cmds] Description: Selects whether the TA will use Multilink PPP. Command Function S80=0 Multilink PPP disabled. » S80=1 Multilink PPP enabled. PHONE NUMBER 1 Type: Register Format: AT [cmds] S51= <#> [cmds] Description: Sets the TA’s first phone number. PHONE NUMBER 2 Type: Register Format: AT [cmds] S53= <#> [cmds] Description: Sets the TA’s first phone number. PROTOCOL - B-CHANNEL Type: Register Format: AT [cmds] S71= n [cmds] Description: Selects the protocol the TA will use on the B channels. Command Function » S71=0 Auto-select common protocol. S71=1 TA will use PPP conversion. S71=2 TA will use V.120 SERVICE PROFILE IDENTIFIER 1 Type: Register Format: AT [cmds] S52= <#> [cmds] Description: Sets the TA’s first SPID. SERVICE PROFILE IDENTIFIER 2 Type: Register Format: AT [cmds] S54= <#> [cmds] Description: Sets the TA’s second SPID. SWITCH TYPE Type: Register Format: AT [cmds] S50= n [cmds] Description: Selects the type of IDSN switch the TA is connected to. Command Function » 0 Unknown switch type 1 AT&T 5ESS custom switch type. 3 NI-1/AT&T 5ESS switch type. 6 NI-1/National Telecom NI-1 or Siemens EWSD switch type. TERMINAL ENDPOINT IDENTIFIER 1 Type: Register (read-only) Format: AT [cmds] S55? [cmds] Description: Displays the first TEI assigned by the ISDN switch. A value of 255 indicated that the switch did not assign a TEI. TERMINAL ENDPOINT IDENTIFIER 1 STATUS Type: Register (read-only) Format: AT [cmds] S57? [cmds] Description: Returns a value indicating the status of the first TEI. Value Meaning 0 TA has not attempted to initialize with SPID 1. 1 TA succeeded in initializing with SPID 1. 2 TA failed in initializing with SPID 1. TERMINAL ENDPOINT IDENTIFIER 2 Type: Register (read-only) Format: AT [cmds] S56? [cmds] Description: Displays the second TEI assigned by the ISDN switch. A value of 255 indicated that the switch did not assign a TEI. TERMINAL ENDPOINT IDENTIFIER 2 STATUS Type: Register (read-only) Format: AT [cmds] S58? [cmds] Description: Returns a value indicating the status of the second TEI. Value Meaning 0 TA has not attempted to initialize with SPID 2. 1 TA succeeded in initializing with SPID 2. 2 TA failed in initializing with SPID 2. U INTERFACE STATUS Type: Register (read-only) Format: AT [cmds] S59? [cmds] Description: Returns a value indicating the status of the U interface. Command Function 0 U interface is not synchronized. 1 U interface is synchronized. V.120 FRAME TYPE Type: Register Format: AT [cmds] S73= n [cmds] Description: Selects the frame type that the TA will use when in V.120 mode. Command Function » S73=0 TA will use I frames. S73=1 TA will use UI frames. V.120 MAXIMUM FRAME SIZE Type: Register Format: AT [cmds] S74= n [cmds] Default: 256 Range: 240 - 256 Unit: 1 byte Description: Selects the maximum frame size used for V.120 mode. Note: Adtran ISDN uses a maximum frame size of 253 bytes.