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# ARCHTEK AMERICA CORPORATION
2834BR
Modem Type Data (synchronous/asynchronous)/Fax
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 8-bit ISA
Fax Class Class I & II
Data Modulation Bell 103J/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell V.FC
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 |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Line out | CN1 | Line in | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Port | SW1/C | SW1/D |
|--------------------+-------------------+-------------------|
| COM1: (3F8h) | On | On |
|--------------------+-------------------+-------------------|
| COM2: (2F8h) | On | Off |
|--------------------+-------------------+-------------------|
| COM3: (3E8h) | Off | On |
|--------------------+-------------------+-------------------|
| COM4: (2E8h) | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW1/A | SW1/B | JP1 | JP2 | JP3 |
|-------+---------+---------+----------+----------+----------|
| 2 | Off | Off | Open | Open | Closed |
|-------+---------+---------+----------+----------+----------|
| 3 | On | Off | Open | Open | Open |
|-------+---------+---------+----------+----------+----------|
| 4 | Off | On | Open | Open | Open |
|-------+---------+---------+----------+----------+----------|
| 5 | Off | Off | Open | Closed | Open |
|-------+---------+---------+----------+----------+----------|
| 7 | Off | Off | Closed | Open | Open |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %En |
|--------------+---------------------------------------------|
| Example: | AT %E0 <CR> |
|--------------+---------------------------------------------|
| Description: | Selects auto-retrain mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %E0 | Auto-retrain disabled. |
|--------------+---------------------------------------------|
| %E1 | Auto-retrain enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK SEND |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Bn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \B3 &W<CR> |
|--------------+---------------------------------------------|
| Range: | 1-9 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Sends break to modem. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BREAK TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Kn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \K0 <CR> |
|--------------+---------------------------------------------|
| Description: | Configures action of break signal. |
|------------------------------------------------------------|
| Command | Break from | Modem | Break from |
| | DTE | receives \B | remote modem |
|---------------+--------------+--------------+--------------|
| \K0 | Enter | Buffers | Buffers |
| | command | cleared and | cleared and |
| | mode, do not | break sent | break sent |
| | send break | to remote | to DTE. |
| | to remote | modem. | |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| \K1 | Buffers | Buffers | Buffers |
| | cleared and | cleared and | cleared and |
| | break sent | break sent | break sent |
| | to remote | to remote | to DTE. |
| | modem. | modem. | |
|---------------+--------------+--------------+--------------|
| \K2 | Enter | Send break | Send break |
| | command | to remote | to DTE |
| | mode, do not | modem | immediately. |
| | send break | immediately. | |
| | to remote | | |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| \K3 | Send break | Send break | Send break |
| | to remote | to remote | to DTE |
| | modem | modem | immediately. |
| | immediately. | immediately. | |
|---------------+--------------+--------------+--------------|
| \K4 | Enter | Send break | Break sent |
| | command | to remote | with |
| | mode, do not | modem with | received |
| | send break | transmitted | data to the |
| | to remote | data. | DTE. |
| | modem. | | |
|---------------+--------------+--------------+--------------|
| \K5 | Send break | Send break | Break sent |
| | with | to remote | with |
| | transmitted | modem with | received |
| | data. | transmitted | data to the |
| | | data. | DTE. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmd] %Cn [cmd] |
|--------------+---------------------------------------------|
| Example: | AT %C0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects data compression. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled. |
|--------------+---------------------------------------------|
| %C1 | Data compression enabled. |
|--------------+---------------------------------------------|
| %C2 | V.42bis enabled. |
|--------------+---------------------------------------------|
| %C3 | V.42bis and MNP5 enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \N0 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Sets connect mode. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled. |
|--------------+---------------------------------------------|
| \N1 | Direct mode enabled. |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled. |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled. |
|--------------+---------------------------------------------|
| \N4 | LAPM mode enabled. |
|--------------+---------------------------------------------|
| \N5 | MNP mode enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH DIAL MODIFIER TIME |
|------------------------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS29=0<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 10 ms |
|--------------+---------------------------------------------|
| Description: | Time the modem will go on-hook upon |
| | receiving the ! dial modifier in dial |
| | string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS33=19<CR> |
|--------------+---------------------------------------------|
| Default: | 19 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XOFF. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XON |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS32=17<CR> |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCK SERIAL PORT |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Jn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \J0<CR> |
|--------------+---------------------------------------------|
| Description: | Sets operation of serial port speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \J0 | Serial speed locked. |
|--------------+---------------------------------------------|
| \J1 | Serial speed follows connect speed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MAXIMUM BLOCK SIZE FOR TRANSMISSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \An [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \A3 %C1<CR> |
|--------------+---------------------------------------------|
| Description: | Sets the maximum transmittable block size. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \A0 | MNP block size is 64 characters. |
|--------------+---------------------------------------------|
| \A1 | MNP block size is 128 characters. |
|--------------+---------------------------------------------|
| \A2 | MNP block size is 192 characters. |
|--------------+---------------------------------------------|
| \A3 | MNP block size is 256 characters. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP STREAM/BLOCK MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Ln [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \L1 DT555-1212<CR> |
|--------------+---------------------------------------------|
| Description: | Selects the transfer mode for MNP. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \L0 | Stream mode for MNP enabled. |
|--------------+---------------------------------------------|
| \L1 | Block mode for MNP enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +MS=xx,y,zzz,aaa [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +MS11,1,300,28800 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets options for active protocol. The |
| | transfer rates specified by z and a must be |
| | valid for the protocol selected. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| x=0 | V.21 |
|--------------+---------------------------------------------|
| x=1 | V.22 |
|--------------+---------------------------------------------|
| x=2 | V.22bis |
|--------------+---------------------------------------------|
| x=3 | V.23 |
|--------------+---------------------------------------------|
| x=9 | V.32 |
|--------------+---------------------------------------------|
| x=10 | V.32bis |
|--------------+---------------------------------------------|
| x=11 | V.34 |
|--------------+---------------------------------------------|
| x=64 | Bell 103A |
|--------------+---------------------------------------------|
| x=69 | Bell 212A |
|--------------+---------------------------------------------|
| x=74 | V.FC |
|--------------+---------------------------------------------|
| y=0 | Automode disabled. |
|--------------+---------------------------------------------|
| y=1 | Auto-detect highest speed enabled. |
|--------------+---------------------------------------------|
| z, a=300 | Set minimum or maximum transfer rate at |
| | 300bps, respectively. |
|--------------+---------------------------------------------|
| z, a=1200 | Set minimum or maximum transfer rate at |
| | 1200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=2400 | Set minimum or maximum transfer rate at |
| | 2400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=4800 | Set minimum or maximum transfer rate at |
| | 4800bps, respectively. |
|--------------+---------------------------------------------|
| z, a=7200 | Set minimum or maximum transfer rate at |
| | 7200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=9600 | Set minimum or maximum transfer rate at |
| | 9600bps, respectively. |
|--------------+---------------------------------------------|
| z, a=12000 | Set minimum or maximum transfer rate at |
| | 12000bps, respectively. |
|--------------+---------------------------------------------|
| z, a=14400 | Set minimum or maximum transfer rate at |
| | 14400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=16800 | Set minimum or maximum transfer rate at |
| | 16800bps, respectively. |
|--------------+---------------------------------------------|
| z, a=19200 | Set minimum or maximum transfer rate at |
| | 19200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=21600 | Set minimum or maximum transfer rate at |
| | 21600bps, respectively. |
|--------------+---------------------------------------------|
| z, a=24000 | Set minimum or maximum transfer rate at |
| | 24000bps, respectively. |
|--------------+---------------------------------------------|
| z, a=26400 | Set minimum or maximum transfer rate at |
| | 26400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=28800 | Set minimum or maximum transfer rate at |
| | 28800bps, respectively. |
+------------------------------------------------------------+