SUPRA DIAMOND
SUPRAEXPRESS 288
| 
 Modem Type  | 
 Data (synchronous/asynchronous)/Fax  | 
| 
 Maximum Data Rate  | 
 28.8Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 External  | 
| 
 Fax Class  | 
 Class I  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34 Rockwell V.FC  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 

| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Line out  | 
 CN1  | 
 RS-232/422  | 
 CN3  | 
| 
 Line in  | 
 CN2  | 
 DC power  | 
 CN4  | 
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 OH  | 
 Red  | 
 On  | 
 Modem is off-hook  | 
| 
 OH  | 
 Red  | 
 Off  | 
 Modem is on-hook  | 
| 
 RD  | 
 Red  | 
 Blinking  | 
 Modem is receiving data  | 
| 
 RD  | 
 Red  | 
 Off  | 
 Modem is not receiving data  | 
| 
 SD  | 
 Red  | 
 Blinking  | 
 Modem is transmitting data  | 
| 
 SD  | 
 Red  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 PWR  | 
 Red  | 
 On  | 
 Power is on  | 
| 
 PWR  | 
 Red  | 
 Off  | 
 Power is off  | 
Proprietary AT Command Set
| 
 AUTO FALL FORWARD/FALLBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Gn [cmds]  | 
| 
 Example:  | 
 AT %G1 &W <CR> | 
| 
 Description:  | 
 Selects auto fall forward/fallback.  | 
| Command | 
 Function  | 
| %G1 | 
 Fall forward/fallback disabled.  | 
| » %G0 | 
 Fall forward/fallback enabled.  | 
| 
 COMPRESSION AND ERROR CORRECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT %Cn  | 
| 
 Example:  | 
 AT %C0 *Y1 <CR> | 
| 
 Description:  | 
 Selects data compression and error correction.  | 
| Command | 
 Function  | 
| %C0 | 
 Data compression disabled.  | 
| %C1 | 
 Data compression enabled.  | 
| %C2 | 
 Data correction enabled.  | 
| » %C3 | 
 Data compression and correction enabled.  | 
| 
 CONNECT MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Nn [cmds]  | 
| 
 Example:  | 
 AT \N1 DT555-1212 <CR> | 
| 
 Description:  | 
 Sets connect mode.  | 
| Command | 
 Function  | 
| \N0 | 
 Normal mode enabled.  | 
| \N1 | 
 Direct mode enabled.  | 
| \N2 | 
 Reliable mode enabled.  | 
| » \N3 | 
 Auto-reliable mode enabled.  | 
| \N4 | 
 LAPM/MNP mode enabled.  | 
| 
 MODULATION SELECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +MS=xx,y,zzz,aaa [cmds]  | 
| 
 Example:  | 
 AT +MS11,1,300,28800 &W <CR> | 
| 
 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 103  | 
| 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 =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.  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Example:  | 
 AT I1 O <CR> | 
| 
 Description:  | 
 Displays modem properties.  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Reports product code.  | 
| 
 I1  | 
 Reports ROM checksum result.  | 
| 
 I2  | 
 Reports ROM checksum OK or ERROR  | 
| 
 I3  | 
 Reports firmware version.  | 
| 
 I4  | 
 Reports current command settings.  | 
| 
 I5  | 
 Reports copyright information.  | 
| 
 I7  | 
 Reports configuration.  | 
| 
 I10  | 
 Reports modem’s optional features  | 
| 
 RETRAIN  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %E1 [cmds]  | 
| 
 Example:  | 
 AT %E1 <CR> | 
| 
 Description:  | 
 Requests a retrain.  | 
| 
 Command  | 
 Function  | 
| %E0 | 
 Disabled  | 
| » %E1 | 
 Enabled  |