OSITECH COMMUNICATIONS, INC. ============================ LAPTALK PLUS 14.4K Modem Type Data (synchronous/asynchronous)/Fax Maximum Data Rate 14.4Kbps Maximum Fax Rate 14.4Kbps Data Bus Compaq portable bus Fax Class Class I & II Data Modulation Bell 103A/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 Error MNP5, MNP10, V.42, V.42bis Correction/Compression +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------------+----------+---------------+----------| | Line in | CN1 | Compaq | CN3 | | | | portable bus | | |----------------------+----------+---------------+----------| | Daughterboard | CN2 | | | | connector for | | | | | network | | | | +------------------------------------------------------------+ Proprietary AT Command Set +------------------------------------------------------------+ | BIT-MAPPED REGISTERS | |------------------------------------------------------------| | Register | Default | |------------------------------+-----------------------------| | S14 | 138 | |------------------------------+-----------------------------| | S16 | 0 | |------------------------------+-----------------------------| | S21 | 4 | |------------------------------+-----------------------------| | S22 | 118 | |------------------------------+-----------------------------| | S23 | 55 | |------------------------------+-----------------------------| | S27 | 9 | |------------------------------+-----------------------------| | S28 | 0 | |------------------------------+-----------------------------| | S31 | 194 | |------------------------------+-----------------------------| | S39 | 3 | |------------------------------+-----------------------------| | S40 | 107 | |------------------------------+-----------------------------| | S41 | 03 | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK SEND | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Bn [cmds] | |--------------+---------------------------------------------| | Example: | AT \B3 &W | |--------------+---------------------------------------------| | Default: | 3 | |--------------+---------------------------------------------| | Range: | 0-9 | |--------------+---------------------------------------------| | Unit: | .1 second | |--------------+---------------------------------------------| | Description: | Sends break to modem. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BREAK TYPE | |------------------------------------------------------------| | Type: | Configuration | |---------------------+--------------------------------------| | Format: | AT [cmds] \Kn [cmds] | |---------------------+--------------------------------------| | Example: | AT \K1 | |---------------------+--------------------------------------| | Description: | Configures action of break signal. | |------------------------------------------------------------| | Command | Break from | Break from DTE | Break from | | | DTE | while in | remote modem | | | | command mode | | |------------+--------------+----------------+---------------| | i \K0 | Enter | Buffers | Buffers | | | command | cleared and | cleared and | | | mode, do not | break sent to | break sent to | | | send break | remote modem. | DTE. | | | to remote | | | | | modem. | | | |------------+--------------+----------------+---------------| | i \K1 | Buffers | Buffers | Buffers | | | cleared and | cleared and | cleared and | | | break sent | break sent to | break sent to | | | to remote | remote modem. | DTE. | | | modem. | | | |------------+--------------+----------------+---------------| | i \K2 | Enter | Send break to | Send break to | | | command | remote modem | DTE | | | mode, do not | immediately. | immediately. | | | send break | | | | | to remote | | | | | modem. | | | |------------+--------------+----------------+---------------| | i \K3 | Send break | Send break to | Send break to | | | to remote | remote modem | DTE | | | modem | immediately. | immediately. | | | immediately. | | | |------------+--------------+----------------+---------------| | i \K4 | Enter | Send break to | Send break to | | | command | remote modem | remote modem | | | mode, do not | with | with | | | send break | transmitted | transmitted | | | to remote | data. | data. | | | modem. | | | |------------+--------------+----------------+---------------| |>> \K5 | Send break | Send break to | Send break to | | | with | remote modem | remote modem | | | transmitted | with | with | | | data. | transmitted | transmitted | | | | data. | data. | +------------------------------------------------------------+ +------------------------------------------------------------+ | COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT %Cn | |--------------+---------------------------------------------| | Example: | AT %C1 &B0 | |--------------+---------------------------------------------| | Description: | Selects data compression. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| | i %C0 | Data compression disabled. | |--------------+---------------------------------------------| | i %C1 | MNP5 enabled. | |--------------+---------------------------------------------| | i %C2 | V.42bis enabled. | |--------------+---------------------------------------------| |>> %C3 | MNP5 and V.42bis enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECT MODE | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] \Nn [cmds] | |--------------+---------------------------------------------| | Example: | AT \N1 DT555-1212 | |--------------+---------------------------------------------| | Description: | Sets connect mode. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| | i \N0 | Normal mode enabled. | |--------------+---------------------------------------------| | i \N1 | Direct mode enabled. | |--------------+---------------------------------------------| | i \N2 | Reliable mode enabled. | |--------------+---------------------------------------------| |>> \N3 | Auto-reliable mode enabled. | |--------------+---------------------------------------------| | i \N4 | LAPM mode enabled. | |--------------+---------------------------------------------| | i \N5 | MNP mode enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | FALL FORWARD/ADJUST TRANSMIT LEVEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Un [cmds] | |--------------+---------------------------------------------| | Example: | AT -U1 &W | |--------------+---------------------------------------------| | Description: | Forces a fall forward and change in | | | transmit level during fall forward | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| | -U0 | Automatic attenuation to -10dBm | |--------------+---------------------------------------------| | -U1 | Automatic attenuation down to -18dBm | |--------------+---------------------------------------------| | -U2 | Automatic attenuation down to22dBm | |--------------+---------------------------------------------| | -U3 | automatic attenuation down to -25dBm | |--------------+---------------------------------------------| | -U4 | At 2400bps, force transmit level to -10 dBm | |--------------+---------------------------------------------| | -U5 | At 2400bps, force transmit level to -18 dBm | |--------------+---------------------------------------------| | -U6 | At 2400bps, force transmit level to -22 dBm | |--------------+---------------------------------------------| | -U7 | At 2400bps, force transmit level to -25 dBm | +------------------------------------------------------------+ +------------------------------------------------------------+ | FALLBACK | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] -B [cmds] | |--------------+---------------------------------------------| | Example: | AT -B &W | |--------------+---------------------------------------------| | Description: | Forces fallback to 1200bps at -10dBm | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLOW CONTROL CHARACTER - XOFF | |------------------------------------------------------------| | Type: | Register | |--------------+---------------------------------------------| | Format: | AT [cmds] S33=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS33=20 | |--------------+---------------------------------------------| | 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=20 | |--------------+---------------------------------------------| | Default: | 17 | |--------------+---------------------------------------------| | Range: | 0-255 | |--------------+---------------------------------------------| | Unit: | ASCII | |--------------+---------------------------------------------| | Description: | Sets the character used to represent XON. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LEASED LINE TRANSMISSION LEVEL | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] S99=n [cmds] | |--------------+---------------------------------------------| | Example: | AT S99=8 | |--------------+---------------------------------------------| | Default: | 10 | |--------------+---------------------------------------------| | Range: | 0 to 15 | |--------------+---------------------------------------------| | Unit: | -1 dBm | |--------------+---------------------------------------------| | Description: | Sets the signal level for transmission when | | | in leased-line mode. | +------------------------------------------------------------+ +------------------------------------------------------------+ | LINE SIGNAL LEVEL | |------------------------------------------------------------| | Type: | Immediate | |--------------+---------------------------------------------| | Format: | AT [cmds] %L [cmds] | |--------------+---------------------------------------------| | Example: | AT %L &W | |--------------+---------------------------------------------| | Range: | 9-43 | |--------------+---------------------------------------------| | Unit: | -1dB | |--------------+---------------------------------------------| | Description: | Returns received line signal level. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 COMPRESSION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] -Kn [cmds] | |--------------+---------------------------------------------| | Example: | AT %C1 -K1 | |--------------+---------------------------------------------| | Description: | Selects MNP10 data compression. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| | i -K0 | MNP10 disabled. | |--------------+---------------------------------------------| |>> -K1 | MNP10 enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 LINK NEGOTIATION | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] *Hn [cmds] | |--------------+---------------------------------------------| | Example: | AT *H0 -Q1 | |--------------+---------------------------------------------| | Description: | Sets the speed at which MNP10 link | | | negotiation will occur. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| |>> *H0 | Link will be negotiated at highest possible | | | speed. | |--------------+---------------------------------------------| | i *H1 | Link will be negotiated at 1200bps. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MNP10 POWER LEVEL ADJUST | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] )Mn [cmds] | |--------------+---------------------------------------------| | Example: | AT )M1 %C1 | |--------------+---------------------------------------------| | Description: | Controls automatic transmit power level | | | adjustment during MNP 10 link negotiation. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| |>> )M0 | Power level adjustment disabled. | |--------------+---------------------------------------------| | i )M1 | Power level adjustment enabled. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PROTOCOL/SPEED | |------------------------------------------------------------| | Format | AT [cmds] S37=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS37=11 | |--------------+---------------------------------------------| | Default: | 0 | |--------------+---------------------------------------------| | Range: | 0-21 | |--------------+---------------------------------------------| | Unit: | Bit-mapped. | |--------------+---------------------------------------------| | Description: | Selects protocol and line speed. | |--------------+---------------------------------------------| | i Command | Function | |--------------+---------------------------------------------| |>> S37=0 | Auto-select fastest common protocol. | |--------------+---------------------------------------------| | S37=1 | Connect at 300bps | |--------------+---------------------------------------------| | S37=2 | Connect at 300bps | |--------------+---------------------------------------------| | S37=3 | Connect at 300bps. | |--------------+---------------------------------------------| | S37=4 | Not used. | |--------------+---------------------------------------------| | S37=5 | Connect at 1200bps V.22. | |--------------+---------------------------------------------| | S37=6 | Connect at 2400bps.V.22bis | |--------------+---------------------------------------------| | S37=7 | Connect at 75/1200bps.V.32 | |--------------+---------------------------------------------| | S37=8 | Connect at 4800bps V.32bis/V.32. | |--------------+---------------------------------------------| | S37=9 | Connect at 9600bps V.32bis/V.32 | |--------------+---------------------------------------------| | S37=10 | Connect at 12Kbps V.32bis | |--------------+---------------------------------------------| | S37=11 | Connect at 14.4Kbps V.32bis | |--------------+---------------------------------------------| | S37=12 | Connect at V.32bis 7200bps | +------------------------------------------------------------+ +------------------------------------------------------------+ | REPORT SIGNAL QUALITY | |------------------------------------------------------------| | Type: | Configuration | |--------------+---------------------------------------------| | Format: | AT [cmds] %Q [cmds] | |--------------+---------------------------------------------| | Example: | AT %Q &W | |--------------+---------------------------------------------| | Description: | Reports signal quality. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SLEEP TIMER | |------------------------------------------------------------| | Format | AT [cmds] S24=n [cmds] | |--------------+---------------------------------------------| | Example: | ATS24=40 | |--------------+---------------------------------------------| | Default: | 1 | |--------------+---------------------------------------------| | Range: | 0 - 255 | |--------------+---------------------------------------------| | Unit: | 10 second | |--------------+---------------------------------------------| | Description: | Maximum duration of DTE and DCE inactivity | | | allowed prior to initiating low-power sleep | | | mode. | +------------------------------------------------------------+