PROMETHEUS PRODUCTS, INC.
PC CYBERPHONE 288EVSP (PC288EVSP)
MAC CYBERPHONE 288EVSP (M288EVSP)
Card Type | Fax, Modem(synchronous/asynchronous), Voice |
Chip Set | Unidentifed |
I/O Options | Speakerphone, Voice-mail |
Maximum Data Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | External |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29, V.33 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line out | CN1 | RS-232/422 | CN5 | |||
Line in | CN2 | DC power | CN6 | |||
Speaker out | CN3 | Power switch | SW1 | |||
Microphone in | 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 V1859 for a full command summary.