PROMETHEUS PRODUCTS, INC.
PC CYBERPORT PRO 288EV (PC288EV)
MAC CYBERPORT PRO 288EV (M288EV)
Card Type | Fax, Modem (synchronous/asynchronous), Voice |
Chip Set | Unidentified |
I/O Options | Speakerphone, Voice-mail |
Maximum Data Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | External |
Fax Class | Class I & II |
Data Modulation Protocol | Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29, V.33 |
Error Correction/Compression | MNP5, V.42, V.42bis |
CONNECTIONS | ||||||
Function | Label | Function | Label | |||
Line out | CN1 | RS-232/422 | CN5 | |||
Line in | CN2 | DC power | CN6 | |||
Speaker out | CN3 | Power switch | SW1 | |||
Microphone in | CN4 |
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 transmitting or receiving data |
IO | Red | Off | Modem is not transmitting or receiving data |
MR | Red | On | Power is on |
MR | Red | Off | Power is off |
Proprietary AT Command Set
ASYNCHRONOUS - CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Sets the type of connection used for asynchronous operation |
Command | Function |
\N0 | Wire mode enabled |
\N1 | Direct V.14 asynchronous mode enabled |
\N2 | MNP reliable mode enabled |
\N3 | Auto-reliable mode enabled |
\N4 | V.42 reliable mode enabled |
\N5 | V.42 auto-reliable mode or MNP mode enabled |
\N6 | V.13 - simulated controlled carrier mode enabled |
AUTO-FALLBACK/FALL-FORWARD | |
Type: | Configuration |
Format: | AT [cmds] &An [cmds] |
Description: | Selects auto-fallback/fall-forward |
Command | Function |
&A0 | Auto-fallback/fall-forward disabled |
&A1 | Auto-fallback/fall-forward enabled |
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. |
BREAK TYPE | ||
Type: | Configuration | |
Format: | AT [cmds] \Kn [cmds] | |
Description: | Configures action of break signal | |
Command | Function | |
\K0 | Break sent to remote modem and buffered cleared | |
\K1 | Break sent to remote modem and buffered saved | |
\K2 | Timed break to remote modem and buffered saved | |
\K3 | Break ignored | |
\K4 | Timed break until no break character and buffered saved | |
\K5 | Timed break until no break character and buffered saved |
BUSY OUT | ||
Type: | Configuration | |
Format: | AT [cmds] %Bn [cmds] | |
Description: | Sends busy signal when modem is in a test mode. | |
Command | Function | |
%B0 | Do not send busy signal when modem is in test mode | |
%B1 | Send busy signal on loss of DTR | |
%B2 | Send busy signal when modem is in analog loopback | |
%B3 | Send busy signal when modem is in analog loopback or on loss of RTS or DTR | |
%B4 | Send busy signal on loss of RTS |
CHARACTER ABORT | ||
Type: | Configuration | |
Format: | AT [cmds] %Kn [cmds] | |
Description: | Controls character abort | |
Command | Function | |
%K0 | 2 second delay until character abort | |
%K1 | Character abort disabled |
CHARACTER LENGTH | ||
Type: | Configuration | |
Format: | AT [cmds] \Bn [cmds] | |
Description: | Controls character length | |
Command | Function | |
\B0 | 6N1 | |
\B1 | 7N1 | |
\B2 | 7P1, control is set by \P command for parity type | |
\B3 | 8N1 | |
\B4 | 7P2, control is set by \P command for parity type | |
\B5 | 8P1, control is set by \P command for parity type |
COMPRESSION | |
Type: | Configuration |
Format: | AT [cmds] %Cn [cmds] |
Description: | Selects data compression |
Command | Function |
%C0 | Data compression disabled |
%C1 | Transmit and receive path enabled |
%C2 | Transmit path enabled in V.42bis |
%C3 | Receive path enabled in V.42bis |
CONNECT MESSAGE | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Selects connect message type reporting |
Command | Function |
\V0 | CONNECT reported as VF speed upon data mode, link message after link negotiation |
\V1 | CONNECT reported as DTE speed after link negotiation |
\V2 | CONNECT reported as VF speed after link and MNP negotiation |
\V3 | CONNECT reported as DTE speed after protocol negotiation |
DATA CARRIER DETECT (DCD) | |
Type: | Configuration |
Format: | AT [cmds] &Cn [cmds] |
Description: | Selects the DCD options |
Command | Function |
&C0 | DCD enabled |
&C1 | Real mode enabled; follow modem energy detection. |
&C2 | DCD enabled after carrier signal detected |
DATA SET READY (DSR) - TEST MODE | |
Type: | Configuration |
Format: | AT [cmds] %Dn [cmds] |
Description: | Selects DSR options in test mode |
Command | Function |
%D0 | DSR forced high during analog loopback |
%D1 | DSR low during this test |
DIAL | |
Type: | Immediate |
Format: | AT [cmds] D<#> [cmds] |
Description: | Dials telephone number according to any modifiers included in the string |
Note: | Any combination of modifiers can be used to produce the desired dial functions in sequence. |
Command | Function |
! or & | Flash function initiated. Modem commanded to go off-hook for ½ second before returning on-hook. |
, or < | Dialing paused for amount of time specified in S8 register |
: n | Redial for n times until data mode is established |
; | Modem returned to Command state after dialing. The semicolon can only be placed at the end of the dial command. |
@ | Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
Ln | Link to cell n when modem cannot establish data mode |
P | Pulse dialing enabled |
R | Answer mode enabled; originate mode disabled following handshake initiation. |
S | Dial stored telephone number |
T | Tone dialing enabled/Pulse dialing disabled |
W | Dialing resumed following dial tone detection; for amount of time specified in S6 register |
DTE INTERFACE-CONTROLLED TEST | ||
Type: | Configuration | |
Format: | AT [cmds] %En [cmds] | |
Description: | Controls DTE interface-controlled tests | |
Command | Function | |
%E0 | Tests controlled by DTE interface pins disabled | |
%E1 | Tests controlled by DTE interface pins enabled |
DTE SPEED | |
Type: | Configuration |
Format | AT [cmds] \Tn [cmds] |
Description: | Sets the maximum allowable DTE speed |
Command | Function |
\T0 | Autobaud |
\T1 | Last AT speed |
\T2 | 300bps |
\T3 | 1200bps |
\T4 | 2400bps |
\T5 | 4800bps |
\T6 | 7200bps |
\T7 | 9600bps |
\T8 | 12.0Kbps |
\T9 | 14.4Kbps |
\T10 | 16.8Kbps |
\T11 | 19.2Kbps |
\T12 | 21.6Kbps |
\T13 | 24Kbps |
\T14 | 26.4Kbps |
\T15 | 28.8Kbps |
\T16 | 38.4Kbps |
\T17 | 57.6Kbps |
\T18 | 76.8Kbps |
\T19 | 115.2Kbps |
\T20 | 128Kbps |
DTR DIALING | ||
Type: | Configuration | |
Format: | AT [cmds] %Zn [cmds] | |
Description: | Controls DTR dialing | |
Command | Function | |
%Z0 | DTR is ignored | |
%Z1=n | Dial from cell n | |
%Z2 | Go off-hook and attempt to handshake |
FIXED PROFILES | ||
Type: | Configuration | |
Format: | AT [cmds] &Fn [cmds] | |
Description: | Controls active profile to values found in fixed profile | |
Command | Function | |
&F0 | PSTN, asynchronous, V.42, V.42bis | |
&F1 | PSTN, synchronous |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
\G0 | Flow control disabled |
\G1 | XON/XOFF signals trapped by local modem |
\G2 | Flow control enabled in transmit path |
\G3 | Transmit and receive path enabled with pass-through |
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 | Bi-directional XON/XOFF flow control enabled |
\Q2 | CTS flow control by DCE enabled |
\Q3 | Bi-directional RTS/CTS flow control enabled |
\Q4 | Unidirectional XON/XOFF flow control by DCE enabled |
HANDSHAKE MODE - PSTN | ||
Type: | Configuration | |
Format: | AT [cmds] &Hn [cmds] | |
Description: | Set the handshake mode when originating | |
Command | Function | |
&H0 | GDC fast auto (28.8Kbps - 300bps) | |
&H1 | GDC fast only (28.8Kbps - 9600bps) | |
&H2 | V.32bis automatic (14.4Kbps - 300bps) | |
&H3 | V.32bis only (14.4Kbps - 4800bps) | |
&H4 | V.32 automatic (9600bps - 300bps) | |
&H5 | V.32 only (9600bps - 4800bps) | |
&H6 | V.22bis only (2400bps - 1200bps) | |
&H7 | V.22 only (1200bps) | |
&H8 | Bell 212A only (1200bps) | |
&H9 | Bell 103 only (300bps) | |
&H10 | V.21 only (300bps) |
MESSAGE RESPONSE SPEED | |
Type: | Configuration |
Format | AT [cmds] %Rn [cmds] |
Description: | Sets the maximum allowable message speed |
Command | Function |
%R0 | Autobaud |
%R1 | Speed of last connection |
%R2 | 300bps |
%R3 | 1200bps |
%R4 | 2400bps |
%R5 | 4800bps |
%R6 | 7200bps |
%R7 | 9600bps |
%R8 | 12.0Kbps |
%R9 | 14.4Kbps |
%R10 | 16.8Kbps |
%R11 | 19.2Kbps |
%R12 | 21.6Kbps |
%R13 | 24Kbps |
%R14 | 26.4Kbps |
%R15 | 28.8Kbps |
%R16 | 38.4Kbps |
%R17 | 57.6Kbps |
%R18 | 76.8Kbps |
%R19 | 115.2Kbps |
%R20 | 128Kbps |
OVERSPEED CORRECTION | |
Type: | Configuration |
Format: | AT [cmds] \An [cmds] |
Description: | Controls overspeed correction |
Command | Function |
\A0 | 1.25% asynchronous overspeed correction enabled |
\A1 | 2.5% overspeed correction enabled |
PARITY CONTROL | ||
Type: | Configuration | |
Format: | AT [cmds] \Pn [cmds] | |
Description: | Controls Parity | |
Command | Function | |
\P0 | Parity even | |
\P1 | Space Parity | |
\P2 | Parity odd | |
\P3 | Mark Parity | |
\P4 | Last AT command (automatic) |
PRE-LINK DATA BUFFER/FALLBACK CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Sets the handling of pre-link data buffer and fallback |
Command | Function |
\C0 | Time-out and fallback, speed buffer, no data buffer |
\C1 | Time-out and fallback, speed buffer, buffer received data |
\C2 | Auto-reliable, fallback with fallback character speed buffer, no receive data buffer |
\C3 | Time-out and fallback, V.14, buffer received data |
\C4 | Time-out or fallback with fallback character, V.14, no data buffer |
REPORT INFORMATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Description: | Displays information requested |
Command | Function |
I0 | Reports product code |
I1 | Reports ROM checksum |
I2 | Tests and reports ROM checksum |
I3 | Reports firmware revision level (A-) |
I4 | Displays settings of all S-registers |
REQUEST STORED NUMBERS | |
Type: | Immediate |
Format: | AT [cmds] &V [cmds] |
Description: | Displays the list of stored numbers; only 4 can be stored. |
RETRAIN - LINE SIGNAL QUALITY | ||
Type: | Configuration | |
Format: | AT [cmds] %Qn [cmds] | |
Description: | Controls retrain function if poor line quality is detected | |
Command | Function | |
%Q0 | Retrain disabled | |
%Q1 | 3 retraining attempts enabled, hang-up if not successful | |
%Q2 | Retrain enabled until line quality is good |
RETRANSMISSION COUNTER | |
Type: | Register |
Format: | AT [cmds] S70=n [cmds] |
Default: | 100 |
Range: | Unidentified |
Unit: | Unidentified |
Description: | Counts the number of retries to make a connection |
SIMULATED CONTROLLED CARRIER | ||
Type: | Configuration | |
Format: | AT [cmds] &En [cmds] | |
Description: | Controls simulated controlled carrier (ITU-T V.13) | |
Command | Function | |
&E0 | Transmit and receive path enabled | |
&E1 | Transmit path enabled | |
&E2 | Receive path enabled |
SYNCHRONOUS - CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Sets the type of protocol used for synchronous operation |
Command | Function |
\M0 | Normal synchronous mode enabled |
\M1 | V.13 synchronous mode enabled, simulated controlled carrier |