SIIG, INC. DASH 28.8I FAX/MODEM EXTERNAL Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 28.8Kbps Maximum Fax Rate 14.4Kbps Data Bus External Fax Class Class I & II Data Modulation Protocol Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC Fax Modulation Protocol ITU-T V.17, V.21CH2, V.27ter, V.29 Error Correction/Compression MNP5, V.42, V.42bis [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 Power switch SW1 Line in CN2 Data/Voice SW2 RS-232/422 CN3 Answer/Originate SW3 AC power CN4 DIAGNOSTIC LED(S) LED Color Status Condition PW Red On Power is on. PW Red Off Power is off TR Red On DTR signal is high TR Red Off DTR signal is low CS Red On CTS signal is high CS Red Off CTS signal is low TD Red Blinking Modem is transmitting data TD Red Off Modem is not transmitting data CD Red On Carrier signal detected CD Red Off Carrier signal not detected RD Red Blinking Modem is receiving data RD Red Off Modem is not receiving data AA Red On Auto-answer enabled AA Red Off Auto-answer disabled AA Red Blinking Phone is ringing OH Red On Modem is off-hook OH Red Off Modem is on-hook Proprietary AT Command Set AUTO-RETRAIN - FALLBACK/FALLFORWARD Type: Configuration Format: AT [cmds] %En [cmds] Example: AT %E1 Description: Controls auto-retrain mode and fallback/fall forward. Command Function » %E0 Auto-retrain disabled. %E1 Auto-retrain enabled. %E2 Fallback/fall forward enabled. BIT-MAPPED REGISTERS Register Default S14 138 S16 0 S21 0 S23 54 S27 9 S28 0 S31 2 S36 7 S40 105 S41 3 S82 128 S91 10 S92 10 S95 0 S201 58 BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K1 Description: Configures action of break signal. Command Break from DTE Break received from remote modem \K0 Online command mode Buffers cleared, break enabled, send no break sent to DTE. to remote modem. \K1 Break sent to remote Buffers cleared, break modem and buffered sent to DTE. cleared. \K2 Online command mode Break sent immediately enabled, send no break to DTE. to remote modem. \K3 Send break to remote Break sent immediately modem immediately. to DTE. \K4 Online command mode Break sent with enabled, send no break received data to the to remote modem. DTE. \K5 Send break with Break sent with transmitted data. received data to the DTE. CONNECT MODE Type: Configuration Format: AT [cmds] \Nn [cmds] Example: AT \N1 DT555-1212 Description: Sets connect mode. Command Function \N0 Normal mode enabled. \N1 Serial interface enabled \N2 Reliable mode enabled. \N3 Auto-reliable mode enabled. \N4 LAPM mode enabled. \N5 MNP mode enabled. FLOW CONTROL CHARACTER - XON Type: Register Format: AT [cmds] S32=n [cmds] Example: AT S32=20 Default: 17 Range: 0 - 255 Unit: ASCII Description: Sets the character used to represent XON. FLOW CONTROL CHARACTER - XOFF Type: Register Format: AT [cmds] S33=n [cmds] Example: AT S33=20 Default: 19 Range: 0 - 255 Unit: ASCII Description: Sets the character used to represent XOFF. HDLC ADDRESS Type: Register Format: AT [cmds] S20=n [cmds] Example: AT S20=6 Default: 0 Range: 0 - 255 Unit: N/A Description: Sets the HDLC address/BSC character. DISPLAY LINE SIGNAL LEVEL Type: Immediate Format: AT [cmds] %L [cmds] Example: AT %L &W Description: Displays a value of the received line signal level. DISPLAY LINE SIGNAL QUALITY Type: Immediate Format: AT [cmds] %Q [cmds] Example: AT %Q &W Description: Displays line signal quality. FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G1 &K3 Description: Selects modem port flow control. Command Function » \G0 Flow control disabled. \G1 Flow control enabled. MODULATION SELECTION Type: Configuration Format: AT [cmds] +MS=xx,y,zzz,aaa [cmds] Example: AT +MS11,1,300,28800 &W Description: Sets options for active protocol. The transfer rates specified by z and a must be valid for the protocol selected. Command Function x=0 V.21 x=1 V.22 x=2 V.22bis x=3 V.23 x=9 V.32 x=10 V.32bis » x=11 V.34 x=64 Bell 103A x=69 Bell 212A x=74 V.FC y=0 Automode disabled. y=1 Auto-detect highest speed enabled. z, a=300 Set minimum or maximum transfer rate at 300bps, respectively. z, a=1200 Set minimum or maximum transfer rate at 1200bps, respectively. z, a=2400 Set minimum or maximum transfer rate at 2400bps, respectively. z, a=4800 Set minimum or maximum transfer rate at 4800bps, respectively. z, a=7200 Set minimum or maximum transfer rate at 7200bps, respectively. z, a=9600 Set minimum or maximum transfer rate at 9600bps, respectively. z, a=12000 Set minimum or maximum transfer rate at 12000bps, respectively. z, a=14400 Set minimum or maximum transfer rate at 14400bps, respectively. z, a=16800 Set minimum or maximum transfer rate at 16800bps, respectively. z, a=19200 Set minimum or maximum transfer rate at 19200bps, respectively. z, a=21600 Set minimum or maximum transfer rate at 21600bps, respectively. z, a=24000 Set minimum or maximum transfer rate at 24000bps, respectively. z, a=26400 Set minimum or maximum transfer rate at 26400bps, respectively. z, a=28800 Set minimum or maximum transfer rate at 28800bps, respectively. MODULATION SELECTION DISPLAY Type: Immediate Format: AT [cmds] +MS? Example: AT &V +MS? Description: Displays modulation, automode, minimum rate and maximum rate settings V.42 HANDSHAKE OPTIONS Type: Register Format: AT [cmds] S48=n [cmds] Example: AT S48=7 Default: 7 Range: 0, 7, or 128 Description: Controls the V.42 handshake sequence. Command Function S48=0 V.42 negotiation disabled. » S48=7 V.42 negotiation enabled. S48=128 V.42 disabled; fallback according to S36.