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# PROMETHEUS PRODUCTS, INC.
PC CYBERPORT PRO 144EV (PC144EV)
PC CYBERPHONE 144EV (PC144EV)
PC CYBERPHONE 144EVSP (PC144EVSP)
Card Type Fax, Modem (synchronous/asynchronous)
Chip Set Unidentified
I/O Options Speakerphone, Voice-mail
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29,
Protocol V.33
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | RS-232/422 | CN5 |
|----------------------------+---------+--------------+------|
| Line in | CN2 | DC power | CN6 |
|----------------------------+---------+--------------+------|
| Microphone in | CN3 | Power switch | SW1 |
|----------------------------+---------+--------------+------|
| Speaker 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 |
|-----+-------+----------+-----------------------------------|
| OH | Red | On | Modem is off-hook |
|-----+-------+----------+-----------------------------------|
| OH | Red | Off | Modem is on-hook |
|-----+-------+----------+-----------------------------------|
| IO | Red | On | Modem is transmitting or |
| | | | receiving data |
|-----+-------+----------+-----------------------------------|
| IO | Red | Off | Modem is not transmitting or |
| | | | receiving data |
|-----+-------+----------+-----------------------------------|
| MR | Red | On | Power is on |
|-----+-------+----------+-----------------------------------|
| MR | Red | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
See document V1945 for a full command summary.