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# 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 Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| 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.