ZOOM TELEPHONICS, INC.
VFX 28.8
Card Type |
Fax, Modem (asynchronous) |
Chip Set |
Unidentified |
Maximum Data Rate |
28.8Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Bus |
External |
Fax Class |
Unidentified |
Data Modulation Protocol |
Unidentified |
Fax Modulation Protocol |
Unidentified |
Error Correction/Compression |
Unidentified |
V2022
CONNECTIONS | ||||||
Function |
Label |
Function |
Label | |||
Line out |
CN1 |
DC power |
CN4 | |||
Line in |
CN2 |
Power switch |
SW1 | |||
RS-232/422 |
CN3 |
MISCELLANEOUS TECHNICAL NOTES |
Note: Diagram not available. |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
MSG |
Red |
On |
Used by software applications. Faxes are waiting |
MSG |
Red |
Off |
Used by software applications. Faxes are not waiting |
FAX |
Red |
On |
Modem is connected in FAX mode |
FAX |
Red |
Off |
Modem is not connected in FAX mode |
28.8 |
Red |
On |
Modem connected at 28.8Kbps |
28.8 |
Red |
Off |
Modem not connected at 28.8Kbps |
VFC |
Red |
On |
Modem connected using V.FC |
VFC |
Red |
Off |
Modem not connected using V.FC |
14.4 |
Red |
On |
Modem connected at 14.4Kbps (V.FC, V.32bis, or FAX mode) |
14.4 |
Red |
Off |
Modem not connected at 14.4Kbps (V.FC, V.32bis, or FAX mode) |
DC |
Red |
On |
Data compression (V.42bis or MNP5) enabled |
DC |
Red |
Off |
Data compression (V.42bis or MNP5) disabled |
EC |
Red |
On |
Error correction (V.42 or MNP4) enabled |
EC |
Red |
Off |
Error correction (V.42 or MNP4) disabled |
FC |
Red |
On |
Flow control enabled and data buffers not full |
FC |
Red |
Off |
Flow control disabled or data buffers full |
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 |
OH |
Red |
On |
Modem is off-hook |
OH |
Red |
Off |
Modem is on-hook |
RD |
Red |
On |
Modem is receiving data |
RD |
Red |
Off |
Modem is not receiving data |
SD |
Red |
On |
Modem is transmitting data |
SD |
Red |
Off |
Modem is not transmitting data |
TR |
Red |
On |
DTR signal is high |
TR |
Red |
Off |
DTR signal is low |
MR |
Red |
On |
Power is on |
MR |
Red |
Off |
Power is off |
Proprietary AT Command Set
See document V2021 for a full command summary.