U.S. ROBOTICS, INC.
SPORTSTER 56K FAXMODEM (EXTERNAL)
| 
 Card Type  | 
 Modem (asynchronous)  | 
| 
 Chipset  | 
 U.S. Robotics, Inc.  | 
| 
 Maximum Data Rate  | 
 56Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Modulation  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 U.S. Robotics x2  | 
| 
 Fax Modulation  | 
 ITU-T V.17, V.21CH2, V.27ter, V.29  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Bus  | 
 Serial  | 

| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 DC power in  | 
 CN1  | 
 Telephone line in  | 
 CN3  | 
| 
 Serial port  | 
 CN2  | 
 Telephone line out  | 
 CN4  | 
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 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  | 
| 
 SD  | 
 Red  | 
 Blinking  | 
 Modem is transmitting data  | 
| 
 SD  | 
 Red  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 RD  | 
 Red  | 
 Blinking  | 
 Modem is receiving data  | 
| 
 RD  | 
 Red  | 
 Off  | 
 Modem is not receiving data  | 
| 
 TR  | 
 Red  | 
 On  | 
 DTR signal is high  | 
| 
 TR  | 
 Red  | 
 Off  | 
 DTR signal is low  | 
| 
 DIAGNOSTIC LED(S) (CON'T)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 CS  | 
 Red  | 
 On  | 
 CTS signal is high  | 
| 
 CS  | 
 Red  | 
 Off  | 
 CTS signal is low  | 
| 
 ARQ/FAX  | 
 Red  | 
 On  | 
 Modem is connected in error correction mode  | 
| 
 ARQ/FAX  | 
 Red  | 
 Off  | 
 Modem is not connected in error correction mode  | 
| 
 ARQ/FAX  | 
 Red  | 
 Blinking  | 
 Modem is connected in FAX mode or modem is retransmitting data due to errors  | 
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, B, D, E, F, H, L, M, O, P, T, V, X, Z  | 
| 
 &C, &D, &F, &G, &P, &R, &S, &T, &W  | 
| 
 S-Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38  | 
Note: See MHI help file for complete information.  | 
Proprietary AT Command Set
See U.S. ROBOTICS SPORTSTER 56K FAXMODEM (INTERNAL) for a full command summary.