MULTI-TECH SYSTEMS, INC.
ISI2834/4, ISI2834/8, ISI2834/EC
| 
 Card Type  | 
 Modem (asynchronous)  | 
| 
 Processor Type  | 
 80186  | 
| 
 Processor Speed  | 
 16MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 256KB RAM  | 
| 
 Maximum Data Rate  | 
 28.8Kbps x 4 (8 with daughtercard)  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps x 4 (8 with daughtercard)  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Fax Class  | 
 Class II  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.22, V.22bis, V.32, V.32bis, V.34 AT&T V.32terbo  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.21CH2, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 

| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Telephone line 1 out  | 
 J1  | 
 Telephone line 8 out  | 
 J8  | 
| 
 Telephone line 2 out  | 
 J2  | 
 Header to daughterboard J9B  | 
 J9A  | 
| 
 Telephone line 3 out  | 
 J3  | 
 Header to main board J9A  | 
 J9B  | 
| 
 Telephone line 4 out  | 
 J4  | 
 Header to daughterboard J10B  | 
 J10A  | 
| 
 Telephone line 5 out  | 
 J5  | 
 Header to main board J10A  | 
 J10B  | 
| 
 Telephone line 6 out  | 
 J6  | 
 Header to daughterboard J11B  | 
 J11A  | 
| 
 Telephone line 7 out  | 
 J7  | 
 Header to main board J11A  | 
 J11B  | 
Note: J5 through J8 will not be active unless the daughtercard is installed.  | |||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Setting  | 
 Label  | 
 Position  | 
| 
 í Daughtercard is not installed | 
 JP1  | 
 Pins 1 & 2 closed  | 
| 
 Daughtercard is installed  | 
 JP1  | 
 Pins 2 & 3 closed  | 
| 
 INTERRUPT SELECTION  | |||||||||
| 
 Setting  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | 
 JP2/D  | 
 JP2/E  | 
 JP2/F  | 
 JP2/G  | 
 JP2/H  | 
 JP2/I  | 
| 
 2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 í 3 | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 10  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 BASE I/O ADDRESS SELECTION  | ||||||||
| 
 Setting  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 000h  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 008h  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 010h  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 018h  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 020h  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 í 200h | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 7D8h  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 7E0h  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 7E8h  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 7F0h  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 7F8h  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
Note: A total of 256 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/8=1024, SW1/7=512, SW1/6=256, SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) | ||||||||
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, B, D, E, H, O, P, T, V, W, X, Y, Z  | 
| 
 &D, &F, &G, &P, &S, &T, &W  | 
| 
 S-Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S30  | 
Note: See MHI documentation for complete information.  | 
Proprietary AT Command Set
See MULTI-TECH SYSTEMS, INC. ISI3334/8 for a full command summary.