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# BOCA RESEARCH, INC.
ON-LINE EXPRESS 14.4 (M144AI)
Modem Type Data (asynchronous)/Fax
Maximum Data Rate 14.4Kbps
Maximum Fax Rate 14.4Kbps
Data Bus 8 bit ISA
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22bis, V.23, 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 |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line in | CN1 | Line out | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C | JP1/D | JP1/E |
|----------+---------+---------+---------+---------+---------|
| » 100h | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 180h | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 280h | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 300h | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 380h | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| Setting | JP1/F | JP1/G | JP1/H | JP1/I | JP1/J |
|----------+---------+---------+---------+---------+---------|
| 3 | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 4 | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| » 5 | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 7 | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 9 | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT %Cn |
|--------------+---------------------------------------------|
| Description: | Selects data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Data compression disabled |
|--------------+---------------------------------------------|
| » %C1 | Data compression 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 | XON/XOFF flow control enabled |
|--------------+---------------------------------------------|
| \Q2 | Returns ERROR |
|--------------+---------------------------------------------|
| » \Q3 | RTS/CTS flow control 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 reliable mode enabled |
|--------------+---------------------------------------------|
| » \N3 | MNP, LAP-M, or normal mode enabled |
|--------------+---------------------------------------------|
| \N4 | LAP-M reliable enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-10 |
|--------------+---------------------------------------------|
| Description: | Selects switched line speed |
|--------------+---------------------------------------------|
| í Command | Function |
|--------------+---------------------------------------------|
| » S37=0 | Connect at highest common speed |
|--------------+---------------------------------------------|
| S37=3 | Connect at300bps |
|--------------+---------------------------------------------|
| S37=5 | Connect at 1200bps |
|--------------+---------------------------------------------|
| S37=6 | Connect at 2400bps |
|--------------+---------------------------------------------|
| S37=7 | Connect at 4800bps |
|--------------+---------------------------------------------|
| S37=8 | Connect at 7200bps |
|--------------+---------------------------------------------|
| S37=9 | Connect at 9600bps |
|--------------+---------------------------------------------|
| S37=10 | Connect at 12.0Kbps |
|--------------+---------------------------------------------|
| S37=11 | Connect at 14.4Kbps |
|--------------+---------------------------------------------|
| S37=12 | Connect at 16.8Kbps |
|--------------+---------------------------------------------|
| S37=13 | Connect at 19.2Kbps |
+------------------------------------------------------------+