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# PROMETHEUS PRODUCTS, INC.
CYBERPORT PC144E, CYBERPORT M144E
Card Type Fax, Modem (synchronous/asynchronous)
Chip Set Unidentified
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class 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 | DC power | CN4 |
|---------------------------+----------+--------------+------|
| Line in | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 receiving or |
| | | | transmitting data |
|-----+-------+----------+-----------------------------------|
| IO | Red | Off | Modem is not receiving or |
| | | | transmitting data |
|-----+-------+----------+-----------------------------------|
| MR | Red | On | Power is on |
|-----+-------+----------+-----------------------------------|
| MR | Red | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| FLOW CONTROL - HARDWARE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects hardware flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \L0 | Hardware flow control enabled, for |
| | Macintosh using Mac modem cable |
|--------------+---------------------------------------------|
| \L1 | Hardware flow control disabled, for PC or |
| | Macintosh connected with hardware flow |
| | control cable |
+------------------------------------------------------------+
See document V2257 for remaining command summary.