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# CREATIX POLYMEDIA
SIERRA VOICE 28.8 (EXTERNAL)
Card Type Fax, Modem (synchronous/asynchronous),
Voice
Chip Set Sierra
I/O Options Voice
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis, V.34
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 in | CN1 | DC power | CN4 |
|---------------------------+----------+--------------+------|
| Line out | CN2 | Power switch | SW1 |
|---------------------------+----------+--------------+------|
| RS-232/422 | CN3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+--------+------------------------------------|
| MR | Red | On | Power is on |
|------+-------+--------+------------------------------------|
| MR | Red | Off | Power is off |
|------+-------+--------+------------------------------------|
| TR | Red | On | DTR signal is high |
|------+-------+--------+------------------------------------|
| TR | Red | Off | DTR signal is low |
|------+-------+--------+------------------------------------|
| 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 |
|------+-------+--------+------------------------------------|
| CD | Red | On | Carrier signal detected |
|------+-------+--------+------------------------------------|
| CD | Red | Off | Carrier signal not detected |
|------+-------+--------+------------------------------------|
| AA | Red | On | Auto-answer enabled |
|------+-------+--------+------------------------------------|
| AA | Red | Off | Auto-answer disabled |
|------+-------+--------+------------------------------------|
| EC | Red | On | Error correction in progress |
|------+-------+--------+------------------------------------|
| EC | Red | Off | Error correction not in progress |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RELIABLE FALLBACK CHARACTER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-127 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used as the |
| | auto-reliable fallback character. %A0 will |
| | disable this function. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RELIABLE TIME BUFFER CONFIGURATION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the handling of incoming data |
| | during auto-reliable time period |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \CO | Data is discarded |
|--------------+---------------------------------------------|
| \C1 | Data is buffered |
|--------------+---------------------------------------------|
| í \C2 | Data is discarded, sets to normal mode when |
| | auto-reliable character detected. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects auto-retrain mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %Q0 | Auto-retrain disabled |
|--------------+---------------------------------------------|
| %Q1 | Auto-retrain three times |
|--------------+---------------------------------------------|
| %Q2 | Auto-retrain until line quality is good |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Cn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| %C1 | MNP5 and V.42bis enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets connect mode |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled |
|--------------+---------------------------------------------|
| \N2 | MNP mode enabled |
|--------------+---------------------------------------------|
| í \N3 | V.42/MNP/Normal mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 mode enabled |
|--------------+---------------------------------------------|
| \N5 | V.42/MNP mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR SIGNAL - ANALOG LOOPBACK TEST |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Dn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the function of the DSR signal |
| | during analog loopback tests |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %D0 | DSR forced high |
|--------------+---------------------------------------------|
| í %D1 | DSR forced low |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the current DTE speed |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \T0 | Select DTE autobaud |
|--------------+---------------------------------------------|
| \T1 | Select last AT speed |
|--------------+---------------------------------------------|
| \T2 | Select 300bps speed |
|--------------+---------------------------------------------|
| \T3 | Select 1200bps speed |
|--------------+---------------------------------------------|
| \T4 | Select 2400bps speed |
|--------------+---------------------------------------------|
| \T5 | Select 4800bps speed |
|--------------+---------------------------------------------|
| \T6 | Select 7200bps speed |
|--------------+---------------------------------------------|
| \T7 | Select 9600bps speed |
|--------------+---------------------------------------------|
| \T8 | Select 12Kbps speed |
|--------------+---------------------------------------------|
| \T9 | Select 14.4Kbps speed |
|--------------+---------------------------------------------|
| \T10 | Select 16.8Kbps speed |
|--------------+---------------------------------------------|
| \T11 | Select 19.2Kbps speed |
|--------------+---------------------------------------------|
| \T12 | Select 21.6Kbps speed |
|--------------+---------------------------------------------|
| \T13 | Select 24Kbps speed |
|--------------+---------------------------------------------|
| \T14 | Select 26.4Kbps speed |
|--------------+---------------------------------------------|
| \T15 | Select 28.8Kbps speed |
|--------------+---------------------------------------------|
| \T16 | Select 38.4Kbps speed |
|--------------+---------------------------------------------|
| \T17 | Select 57.6Kbps speed |
|--------------+---------------------------------------------|
| \T18 | Select 76.8Kbps speed |
|--------------+---------------------------------------------|
| \T19 | Select 115.2Kbps speed |
|--------------+---------------------------------------------|
| \T20 | Select 128Kbps speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Vn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects extended result codes |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \V0 | Extended result codes disabled |
|--------------+---------------------------------------------|
| \V1 | Extended result codes with DTE speed |
| | enabled |
|--------------+---------------------------------------------|
| \V2 | Extended result codes with DTE speed |
| | enabled |
|--------------+---------------------------------------------|
| í \V3 | Extended result codes disabled and S/DCE |
| | speed enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects modem port flow control |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í \G0 | Flow control disabled |
|--------------+---------------------------------------------|
| \G1 | Flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | Bidirectional XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| í \Q2 | CTS flow control to DTE enabled |
|--------------+---------------------------------------------|
| \Q3 | RTS/CTS flow control enabled |
|--------------+---------------------------------------------|
| \Q4 | Unidirectional XON/XOFF flow control |
| | enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Hn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the current protocol |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &H0 | Selects V.34 and below |
|--------------+---------------------------------------------|
| &H1 | Selects V.34 only |
|--------------+---------------------------------------------|
| &H2 | Selects V.32bis and below |
|--------------+---------------------------------------------|
| &H3 | Selects V.32bis only |
|--------------+---------------------------------------------|
| &H4 | Selects V.32 and below |
|--------------+---------------------------------------------|
| &H5 | Selects V.32 only |
|--------------+---------------------------------------------|
| &H6 | Selects V.22bis only |
|--------------+---------------------------------------------|
| &H7 | Selects V.22 only |
|--------------+---------------------------------------------|
| &H8 | Select Bell 212A only |
|--------------+---------------------------------------------|
| &H9 | Selects Bell 103 only |
|--------------+---------------------------------------------|
| &H10 | Selects V.21 only |
+------------------------------------------------------------+