3COM CORPORATION
SPORTSTER 56K VOICE FAXMODEM (EXTERNAL)
|
Card Type |
Modem (asynchronous) |
|
Chipset |
U.S. Robotics |
|
I/O Options |
Voice, speakerphone, speaker out |
|
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 |
|
AC power in |
CN1 |
Serial port |
CN5 |
|
Telephone line in |
CN2 |
Power switch |
SW1 |
|
Telephone line out |
CN3 |
Volume |
VR1 |
|
Speaker out |
CN4 | ||
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
AA |
Unidentified |
On |
Auto-answer enabled |
|
AA |
Unidentified |
Off |
Auto-answer disabled |
|
AA |
Unidentified |
Blinking |
Phone is ringing |
|
CD |
Unidentified |
On |
Carrier signal detected |
|
CD |
Unidentified |
Off |
Carrier signal not detected |
|
CD |
Unidentified |
Blinking |
Modem is retraining |
|
SD |
Unidentified |
On |
Modem is transmitting data |
|
SD |
Unidentified |
Off |
Modem is not transmitting data |
|
RD |
Unidentified |
On |
Modem is receiving data |
|
RD |
Unidentified |
Off |
Modem is not receiving data |
|
DIAGNOSTIC LED(S) (CON'T) | |||
|
LED |
Color |
Status |
Condition |
|
TR |
Unidentified |
On |
DTR signal is high |
|
TR |
Unidentified |
Off |
DTR signal is low |
|
CS |
Unidentified |
On |
CTS signal is high |
|
CS |
Unidentified |
Off |
CTS signal is low |
|
ARQ/FAX |
Unidentified |
On |
Modem is connected in error correction mode |
|
ARQ/FAX |
Unidentified |
Off |
Modem is not connected in error correction mode |
|
ARQ/FAX |
Unidentified |
Blinking |
Modem is connected in FAX mode or modem is retransmitting data due to errors |
Note: The locations of the LEDs are unidentified. | |||
|
MISCELLANEOUS TECHNICAL NOTES |
A front panel diagram is not available. |
|
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.