EVEREX SYSTEMS, INC.
EMAC-MD1200 (EV-936)
| 
 Card Type  | 
 Modem (asynchronous)  | 
| 
 Chipset  | 
 Unidentified  | 
| 
 I/O Options  | 
 Speakerphone  | 
| 
 Maximum Data Rate  | 
 1200bps  | 
| 
 Data Modulation  | 
 Bell 103A/212A ITU-T V.21, V.22  | 
| 
 Error Correction/Compression  | 
 None  | 
| 
 Data Bus  | 
 Serial  | 

| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Speakerphone button  | 
 BT1  | 
 DC power in  | 
 CN4  | 
| 
 Mute button  | 
 BT2  | 
 Microphone  | 
 MIC  | 
| 
 Telephone line out  | 
 CN1  | 
 Volume control  | 
 R1  | 
| 
 Telephone line in  | 
 CN2  | 
 Power switch  | 
 SW2  | 
| 
 RS-232/422 port  | 
 CN3  | ||
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Setting  | 
 Label  | 
 Position  | 
| 
 í Modem ignores DTR | 
 SW1/1  | 
 Off  | 
| 
 Modem disconnects and does not accept commands on low DTR; auto-answer is disabled  | 
 SW1/1  | 
 On  | 
| 
 í Verbose result code format enabled. | 
 SW1/2  | 
 Off  | 
| 
 Numeric result code format enabled.  | 
 SW1/2  | 
 On  | 
| 
 í Result codes enabled | 
 SW1/3  | 
 Off  | 
| 
 Result codes disabled  | 
 SW1/3  | 
 On  | 
| 
 í Command echo enabled | 
 SW1/4  | 
 Off  | 
| 
 Command echo disabled  | 
 SW1/4  | 
 On  | 
| 
 í Auto-answer disabled | 
 SW1/5  | 
 Off  | 
| 
 Auto-answer after first ring  | 
 SW1/5  | 
 On  | 
| 
 í CD signal forced high | 
 SW1/6  | 
 Off  | 
| 
 CD signal normal  | 
 SW1/6  | 
 On  | 
| 
 í Modem is connected to RJ-11 or RJ-14 jack | 
 SW1/7  | 
 Off  | 
| 
 Modem is connected to RJ-12 or RJ-13 jack  | 
 SW1/7  | 
 On  | 
| 
 í Command set enabled | 
 SW1/8  | 
 Off  | 
| 
 Command set disabled  | 
 SW1/8  | 
 On  | 
| 
 í Modem uses Bell 212A at 1200bps | 
 SW1/9  | 
 Off  | 
| 
 Modem uses ITU-T V.22 at 1200bps  | 
 SW1/9  | 
 On  | 
| 
 DIAGNOSTIC LED(S)  | |||
| 
 LED  | 
 Color  | 
 Status  | 
 Condition  | 
| 
 SPL  | 
 Red  | 
 On  | 
 Modem is in speakerphone mode  | 
| 
 SPL  | 
 Red  | 
 Off  | 
 Modem is not in speakerphone mode  | 
| 
 ML  | 
 Red  | 
 On  | 
 Speakerphone is muted  | 
| 
 ML  | 
 Red  | 
 Off  | 
 Speakerphone is not muted  | 
| 
 RI  | 
 Red  | 
 On  | 
 Phone is ringing  | 
| 
 RI  | 
 Red  | 
 Off  | 
 Phone is not ringing  | 
| 
 HS  | 
 Red  | 
 On  | 
 Modem is operating at 1200bps  | 
| 
 HS  | 
 Red  | 
 Off  | 
 Modem is operating at 300bps  | 
| 
 AA  | 
 Red  | 
 On  | 
 Auto-answer enabled  | 
| 
 AA  | 
 Red  | 
 Off  | 
 Auto-answer disabled  | 
| 
 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  | 
| 
 RD  | 
 Red  | 
 Blinking  | 
 Modem is receiving data  | 
| 
 RD  | 
 Red  | 
 Off  | 
 Modem is not receiving data  | 
| 
 TD  | 
 Red  | 
 Blinking  | 
 Modem is transmitting data  | 
| 
 TD  | 
 Red  | 
 Off  | 
 Modem is not transmitting data  | 
| 
 TR  | 
 Red  | 
 On  | 
 DTR signal is high  | 
| 
 TR  | 
 Red  | 
 Off  | 
 DTR signal is low  | 
| 
 MR  | 
 Red  | 
 On  | 
 Power is on  | 
| 
 MR  | 
 Red  | 
 Off  | 
 Power is off  | 
| 
 SUPPORTED STANDARD COMMANDS  | 
| 
 Basic AT Commands  | 
| 
 +++, ‘comma’, A/  | 
| 
 A, B, E, F, H, L, M, O, Q, V, X, Y, Z  | 
| 
 &C, &D, &G, &L, &P, &T  | 
| 
 S-Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S18, S21, S22, S23, S27  | 
Note: See MHI help file for complete information.  | 
Proprietary AT Command Set
| 
 TRANSMIT EQUALIZATION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Un [cmds]  | 
| 
 Description:  | 
 Selects how much transmit equalization the modem will use.  | 
| 
 Command  | 
 Function  | 
| 
 U0  | 
 Modem will use the average amount of transmit equalization.  | 
| 
 U1  | 
 Modem will use the maximum amount of transmit equalization.  | 
| 
 í U2 | 
 Modem auto-detects correct amount of transmit equalization during handshaking.  | 
See EVEREX SYSTEMS, INC EMAC-MD2400 (EV-945) for a full command summary.