MICROCOM, INC.
DESKPORTE 28.8P
| 
 Card Type  | 
 Modem (synchronous/asynchronous)  | 
| 
 Processor  | 
 Z80182  | 
| 
 Processor Speed  | 
 18.4MHz  | 
| 
 Chipset  | 
 Microcom  | 
| 
 Maximum Onboard Memory  | 
 32KB SRAM/128KB Flash ROM  | 
| 
 Maximum Data Rate  | 
 28.8Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Bus  | 
 Serial, parallel  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Modulation  | 
 Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC  | 
| 
 Fax Modulation  | 
 Unidentified  | 
| 
 Error Correction/Compression  | 
 MNP5, MNP10, V.42, V.42bis  | 

| 
 CONNECTIONS  | ||||||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | |||
| 
 Line out  | 
 CN1  | 
 RS-232/422 port  | 
 CN4  | |||
| 
 Line in  | 
 CN2  | 
 DC power  | 
 CN5  | |||
| 
 Parallel port  | 
 CN3  | 
 Power switch  | 
 SW1  | |||
| 
 DIAGNOSTIC LED(S) (POWER-UP)  | |||
| 
 AA  | 
 TM  | 
 HS  | 
 Condition  | 
| 
 Off  | 
 On  | 
 Off  | 
 RAM test failed  | 
| 
 Off  | 
 On  | 
 Off  | 
 Modem failed  | 
| 
 On  | 
 On  | 
 On  | 
 CPU test failed  | 
| 
 Off  | 
 Off  | 
 Off  | 
 All tests passed  | 
| 
 DIAGNOSTIC LED(S) (NORMAL OPERATION)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 AA  | 
 Unidentified  | 
 On  | 
 Auto-answer enabled  | 
| 
 AA  | 
 Unidentified  | 
 Off  | 
 Auto-answer disabled  | 
| 
 AA  | 
 Unidentified  | 
 Blinking  | 
 Phone is ringing  | 
| 
 RD  | 
 Unidentified  | 
 Blinking  | 
 Modem is receiving data  | 
| 
 RD  | 
 Unidentified  | 
 Off  | 
 Modem is not receiving data  | 
| 
 SD  | 
 Unidentified  | 
 Blinking  | 
 Modem is transmitting data  | 
| 
 SD  | 
 Unidentified  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 CD  | 
 Unidentified  | 
 On  | 
 Carrier signal detected  | 
| 
 CD  | 
 Unidentified  | 
 Off  | 
 Carrier signal not detected  | 
| 
 OH  | 
 Unidentified  | 
 On  | 
 Modem is off-hook  | 
| 
 OH  | 
 Unidentified  | 
 Off  | 
 Modem is on-hook  | 
| 
 TR  | 
 Unidentified  | 
 On  | 
 DTR signal is high  | 
| 
 TR  | 
 Unidentified  | 
 Off  | 
 DTR signal is low  | 
| 
 TM  | 
 Unidentified  | 
 On  | 
 Modem is performing self-test  | 
| 
 TM  | 
 Unidentified  | 
 2s blink  | 
 RAM test failed  | 
| 
 TM  | 
 Unidentified  | 
 1s blink  | 
 ROM test failed  | 
| 
 TM  | 
 Unidentified  | 
 2/3s blink  | 
 Data pump test failed  | 
| 
 TM  | 
 Unidentified  | 
 Off  | 
 Self-tests passed  | 
| 
 HS  | 
 Unidentified  | 
 On  | 
 Modem is not connected or is connected at between 4800bps and 12Kbps  | 
| 
 HS  | 
 Unidentified  | 
 Blinking  | 
 Modem is connected at 14.4Kbps or faster  | 
| 
 HS  | 
 Unidentified  | 
 Off  | 
 Modem is connected at less than 4800bps  | 
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, B, E, H, I, L, M, O, P, Q, T, V, W, X, Y, Z  | 
| 
 &D, &F, &G, &M, &P, &T, &W, &X, &Y, &Z  | 
| 
 Extended AT Commands  | 
| 
 \A, \B, \C, \E, \J, \N, \Q, \T  | 
| 
 %A, %C, %E, %F, %G  | 
| 
 Special AT Commands  | 
| 
 -J, *H, )M, @M, :E  | 
| 
 S-Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S22, S23, S25, S26, S27  | 
Note: See MHI documentation for complete information.  | 
Proprietary AT Command Set
| 
 DISPLAY BLACKLIST NUMBERS  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] *N [cmds]  | 
| 
 Description:  | 
 Displays the list of all the numbers on the blacklist (whether they are delayed/forbidden or not), and their statuses.  | 
| 
 DISPLAY DELAYED NUMBERS  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] *D [cmds]  | 
| 
 Description:  | 
 Displays the list of all delayed numbers and their statuses.  | 
| 
 DISPLAY FORBIDDEN NUMBERS  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] *F [cmds]  | 
| 
 Description:  | 
 Displays the list of all forbidden numbers and their statuses.  | 
| 
 CONNECT SPEED MATCHING  | ||
| 
 Type:  | 
 Configuration  | |
| 
 Format:  | 
 AT [cmds] %Ln [cmds]  | |
| 
 Description:  | 
 Selects whether the modem will attempt to match the connect speed of the remote modem.  | |
| 
 Command  | 
 Function  | |
| 
 %L0  | 
 Modem will connect at speeds supported by the protocol selected only.  | |
| 
 í %L1 | 
 Modem will match connect speeds.  | |
| 
 %L2  | 
 Modem will connect only at current speed.  | |
| 
 %L3  | 
 Modem will use V.8 automode with fallback to ITU-T automode to match speeds.  | |
| 
 %L4  | 
 Modem will use V.8 automode to match speeds.  | |
| 
 V.34 TRAINING RESPONSE  | ||
| 
 Type:  | 
 Register  | |
| 
 Format:  | 
 AT [cmds] :T42=n [cmds]  | |
| 
 Description:  | 
 Sets what speed the modem will choose after a V.34 train.  | |
| 
 Command  | 
 Function  | |
| 
 í :T42=0 | 
 Standard speed selection.  | |
| 
 :T42=1  | 
 Choose speed approximately 2 speeds faster than standard.  | |
| 
 :T42=2  | 
 Choose speed approximately 1 speed faster than standard.  | |
| 
 :T42=3  | 
 Standard speed selection.  | |
| 
 :T42=4  | 
 Choose speed approximately 1 speed slower than standard.  | |
| 
 :T42=5  | 
 Choose speed approximately 2 speeds slower than standard.  | |
See MICROCOM, INC. DESKPORTE FAST for a full command summary.