BOCA RESEARCH, INC. SUPER MODEM 2400 (EXT.) Modem Type Data (synchronous/asynchronous) Maximum Data Rate 2400bps Data Bus External Data Modulation Bell 103A/212A Protocol ITU-T V.21, V.22, V.22bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 DC power CN4 Line in CN2 Power switch SW1 RS-232/422 CN3 SMART/DUMB MODE Setting JP1 » Smart mode Closed Dumb mode Open Note: Manufacturer’s documentation does not specify pin assignments corresponding to dumb/smart mode settings. DIAGNOSTIC LED(S) LED Color Status Condition HS Red On Modem connected at 2400bps HS Red Off Modem not connected at 2400bps AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing CD Red On Carrier signal detected CD Red Off Carrier signal not detected OH Red On Modem is off-hook OH Red Off Modem is on-hook RD Red On Modem is receiving data RD Red Off Modem is not receiving data SD Red On Modem is transmitting data SD Red Off Modem is not transmitting data TR Red On DTR signal is high TR Red Off DTR signal is low MR Red On Power is on MR Red Off Power is off Proprietary AT Command Set BIT-MAPPED REGISTER S14 Format AT [cmds] S14=n [cmds] Example: ATS14=138 Default: 138 Range: 0-190 Unit: Bit-mapped Description: Controls echo, result codes, result code display, smart/dumb mode, dial mode, and answer/originate mode. Bit Value Function 0 0 Not used. 1 0 Command echo disabled. » 1 Command echo enabled. 2 » 0 Result codes enabled. 1 Result codes disabled. 3 0 Display result codes in numeric format. » 1 Display result codes in verbose format. 4 » 0 Smart mode. 1 Dumb mode 5 » 0 Tone dial enabled. 1 Pulse dial enabled. 6 0 Not used. 7 0 Answer mode enabled. » 1 Originate mode enabled. Note: Bit 4 is not used, in the Internal Super Modem 2400. BIT-MAPPED REGISTER S21 Format AT [cmds] S21=n [cmds] Example: ATS21=56 Default: 56 Range: 0 - 189 Unit: Bit-mapped Description: Selects jack type, CTS signal, low DTR action, DCD signal, and the Long Space Disconnect function. Bit Value Function 0 » 0 Selects RJ-11, RJ-41S, or RJ45S jack. 1 Selects RJ-12 or RJ-13 jack. 1 0 Not used. 2 » 0 CTS follows RTS. 1 CTS forced high. 4, 3 00 DTR signal ignored. 01 Modem goes to command mode on low DTR. 10 Modem disconnects on low DTR. Auto-Answer is disabled. » 11 Modem is initialized on low DTR. 5 0 DCD forced high. » 1 DCD normal. 6 0 Not used. 7 » 0 Long Space Disconnect function disabled. 1 Long Space Disconnect function enabled. Note: Bit 2 is not used, in the Internal Super Modem 2400. BIT-MAPPED REGISTER S22 Format AT [cmds] S22=n [cmds] Example: ATS22=5 Default: 5 Range: 0-126 Unit: Bit-mapped Description: Controls speaker volume and controls, and limits results codes. Bit Value Function 1, 0 01 On volume. » 10 Medium level volume. 11 High level volume. 3, 2 00 Speaker off. » 01 Speaker off on carrier. 10 Speaker always on. 11 Speaker on during handshake. 6, 5, 4 » 000 Basic result codes only enabled. 100 Basic and connection speed result codes enabled. 101 Basic and connection speed result codes 110 and dialtone detection enabled. 111 All result codes except dialtone detection enabled. All result codes enabled. 7 » 0 39/61ms at 10pps (North America) 1 33/67ms at 10pps (Europe) BIT-MAPPED REGISTER S23 Format AT [cmds] S23=n [cmds] Example: ATS23=54 Default: 54 Range: 0-183 Unit: Bit-mapped Description: Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone. Bit Value Function 0 » 0 Remote digital loopback denied. 1 Remote digital loopback allowed. 2, 1 00 Sets serial port speed to 0-300bps. 10 Sets serial port speed to 1200bps. » 11 Sets serial port speed to 2400bps. 3 0 Not used. 5,4 00 Parity even. 01 Space parity. 10 Parity odd. » 11 No Parity. 7, 6 » 00 Guard tone disabled. 01 Guard tone disabled. 10 Guard tone 1800Hz enabled. BIT-MAPPED REGISTER S27 Format AT [cmds] S27=n [cmds] Example: AT S27=64 Default: 64 Range: 0 - 103 Unit: Bit-mapped Description: Selects sync/async mode, Line type, internal clock, and ITU-T/Bell modes. Bit Value Function 1, 0 » 00 Asynchronous mode. 01 Synchronous command mode and synchronous connect mode. 10 Synchronous command mode and synchronous 11 connect mode, DTR dialing enabled. Manual originating a synchronous call. 2 » 0 Dial up line. 1 Leased line. 3 0 Not used. 5, 4 » 00 Internal DTE transmit clock source. 01 External DTE transmit clock source. 10 Slave DTE transmit clock source. 6 0 CCITT mode. » 1 Bell mode. TEST MODES Format AT [cmds] S16=n [cmds] Example: ATS16=0 Default: 0 Range: 0-125 Unit: Bit-mapped Description: Controls loopback tests, analog, digital, remote digital, and self tests. Bit Value Function 0 » 0 Local analog loopback not in progress. 1 Local analog loopback in progress. 1 0 Not used. 2 » 0 Local digital loopback not in progress. 1 Local digital loopback in progress. 3 » 0 Modem not in remote digital loopback. 1 Remote digital loopback in progress. 4 » 0 Remote digital loopback not requested. 1 Remote digital loopback requested. 5 » 0 Remote digital loopback w/ self-test not in progress. 1 Remote digital loopback w/ self-test in progress. 6 » 0 Local analog loopback w/ self-test not in progress. 1 Local analog loopback w/ self-test in progress.