SUPRA DIAMOND
SUPRAEXPRESS 144 PLUS
Card Type | Fax, Modem (synchronous/asynchronous) |
Chip Set | Rockwell |
Maximum Data Rate | 14.4Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | External |
Fax Class | Class I |
Data Modulation Protocol | Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line out/in - Unidentified | CN1 | DC power | CN4 | |||
Line in/out - Unidentified | CN2 | Power switch | SW1 | |||
RS-232/422 | CN3 | |||||
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Red | On | Power is on |
PWR | Red | Off | Power is off |
SD | Red | On | Modem is transmitting data |
SD | Red | Off | Modem is not transmitting data |
RD | Red | On | Modem is receiving data |
RD | Red | Off | Modem is not receiving data |
OH | Red | On | Modem is off-hook |
OH | Red | Off | Modem is on-hook |
Proprietary AT Command Set
See document V1991 for a full command summary.