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# GLOBAL VILLAGE COMMUNICATIONS
TELEPORT 33.6 INTERNET
Card Type Modem (synchronous/asynchronous)
Chipset Unidentified
Maximum Data Rate 33.6Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34
Rockwell K56+
Fax Modulation ITU-T V.17, V.29
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus Serial
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------------+-------+--------------+-------|
| Telephone line out | CN1 | DC power in | CN4 |
|-----------------------------+-------+--------------+-------|
| Telephone line in | CN2 | Power switch | SW1 |
|-----------------------------+-------+--------------+-------|
| Macintosh RS-422 serial | CN3 | | |
| port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+--------------+--------+-----------------------------|
| LED1 | Unidentified | On | Modem is transmitting or |
| | | | receiving data |
|------+--------------+--------+-----------------------------|
| LED1 | Unidentified | Off | Modem is not transmitting |
| | | | or receiving data |
|------+--------------+--------+-----------------------------|
| LED2 | Unidentified | On | Power is on |
|------+--------------+--------+-----------------------------|
| LED2 | Unidentified | Off | Power is off |
|------+--------------+--------+-----------------------------|
| LED3 | Unidentified | On | Modem is connected |
|------+--------------+--------+-----------------------------|
| LED3 | Unidentified | Off | Modem is not connected |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED STANDARD COMMANDS |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| +++, ‘comma’, A/ |
|------------------------------------------------------------|
| A, C, D, E, H, L, M, N, Q, V, W, X, Y, Z |
|------------------------------------------------------------|
| &C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, |
| &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X |
|------------------------------------------------------------|
| %A, %C, %E, %G |
|------------------------------------------------------------|
| Special AT Commands |
|------------------------------------------------------------|
| -C, "H, -J, -K, "N, "O |
|------------------------------------------------------------|
| S-Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S14, S16, S18, S21, S22, S23, S25, S26 |
|------------------------------------------------------------|
| S27, S30, S95, S108 |
|------------------------------------------------------------|
| Note: See MHI help file for complete information. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| AUTOSYNC HDLC ADDRESS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S20=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Sets the HDLC address and bisync character. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTOSYNC OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S19=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 26 |
|--------------+---------------------------------------------|
| Range: | 0 - 30 |
|--------------+---------------------------------------------|
| Description: | Controls autosync protocol, HDLC address |
| | detection, bit coding, and HDLC idle. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used |
|------+-------+---------------------------------------------|
| 1 | 0 | Binary synchronous protocol used. |
| | | |
| | í 1 | HDLC protocol used. |
|------+-------+---------------------------------------------|
| 2 | í 0 | HDLC address detect disabled. |
| | | |
| | 1 | HDLC address detect enabled. |
|------+-------+---------------------------------------------|
| 3 | 0 | NRZI bit coding used. |
| | | |
| | í 1 | NRZ bit coding used. |
|------+-------+---------------------------------------------|
| 4 | 0 | HDLC idle sends MARK. |
| | | |
| | í 1 | HDLC idle sends FLAG or SYNC. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY FIRMWARE REVISION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays the version of the firmware |
| | currently installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested about the |
| | modem. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Displays and information. |
|--------------+---------------------------------------------|
| I1 | Displays ROM checksum. |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum. |
|--------------+---------------------------------------------|
| I3 | Displays product identification code and |
| | version. |
|--------------+---------------------------------------------|
| I4 | Displays modem capabilities. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %On [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects which type of escape sequences may |
| | be used. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %O0 | Escape sequences disabled. |
|--------------+---------------------------------------------|
| %O1 | TIES (+++AT [cmds]<CR>) escape sequence |
| | enabled. |
|--------------+---------------------------------------------|
| %O2 | <BREAK> AT escape sequence enabled. |
|--------------+---------------------------------------------|
| %O3 | <BREAK> AT and TIES escape sequences |
| | enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ESCAPE SEQUENCE <CR> WAIT DELAY |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S32=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 2 |
|--------------+---------------------------------------------|
| Range: | Unidentified |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Sets the amount of time that the modem will |
| | wait between receiving the +++AT marking |
| | the beginning of an escape sequence and the |
| | <CR> ending it. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S37=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the maximum allowable data exchange |
| | rate attempted during handshake process. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S37=0 | Speed of last connection |
|--------------+---------------------------------------------|
| S37=3 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| S37=5 | Set speed to 1200bps. |
|--------------+---------------------------------------------|
| S37=6 | Set speed to 2400bps. |
|--------------+---------------------------------------------|
| S37=7 | Set speed to 4800bps. |
|--------------+---------------------------------------------|
| S37=8 | Set speed to 7200bps. |
|--------------+---------------------------------------------|
| S37=9 | Set speed to 9600bps. |
|--------------+---------------------------------------------|
| S37=10 | Set speed to 12Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LINE SPEED (CON’T) |
|------------------------------------------------------------|
| Command | Function |
|------------+-----------------------------------------------|
| S37=11 | Set speed to 14.4Kbps. |
|------------+-----------------------------------------------|
| S37=12 | Set speed to 16.8Kbps. |
|------------+-----------------------------------------------|
| S37=13 | Set speed to 19.2Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOCAL SERIAL PORT SPEED |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S112=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the speed of the local serial port. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í S112=0 | Use speed of last command. |
|--------------+---------------------------------------------|
| S112=2 | Set speed to 300bps. |
|--------------+---------------------------------------------|
| S112=3 | Set speed to 1200bps. |
|--------------+---------------------------------------------|
| S112=4 | Set speed to 2400bps. |
|--------------+---------------------------------------------|
| S112=5 | Set speed to 4800bps. |
|--------------+---------------------------------------------|
| S112=6 | Set speed to 7200bps. |
|--------------+---------------------------------------------|
| S112=7 | Set speed to 9600bps. |
|--------------+---------------------------------------------|
| S112=8 | Set speed to 12Kbps. |
|--------------+---------------------------------------------|
| S112=9 | Set speed to 14.4Kbps. |
|--------------+---------------------------------------------|
| S112=10 | Set speed to 16.8Kbps. |
|--------------+---------------------------------------------|
| S112=11 | Set speed to 19.2Kbps. |
|--------------+---------------------------------------------|
| S112=12 | Set speed to 38.4Kbps. |
|--------------+---------------------------------------------|
| S112=13 | Set speed to 57.6Kbps. |
|--------------+---------------------------------------------|
| S112=14 | Set speed to 600bps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON-LINE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] On |
|--------------+---------------------------------------------|
| Description: | Instructs the modem to return to on-line |
| | state. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| O0 | Return to on-line state. |
|--------------+---------------------------------------------|
| O1 | Return to on-line state and initiate |
| | retrain sequence. |
|--------------+---------------------------------------------|
| O3 | Return to on-line state and initiate rate |
| | negotiation sequence. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PROTOCOL/SPEED |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol the |
| | modem will use. |
|--------------+---------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | Modem will use ITU-T V.22 at 1200bps and |
| | V.21 at 300bps. |
|--------------+---------------------------------------------|
| B1 | Modem will use Bell 212A at 1200bps and |
| | 103A at 300bps. |
|--------------+---------------------------------------------|
| B2 | Modem will use ITU-T V.23 at 1200/75bps. |
|--------------+---------------------------------------------|
| B3 | Modem will use ITU-T V.23 at 75/1200bps. |
|--------------+---------------------------------------------|
| B15 | Modem will use ITU-T V.21 at 300bps. |
|--------------+---------------------------------------------|
| B16 | Modem will use 103A at 300bps. |
|--------------+---------------------------------------------|
| B30 | Modem will use ITU-T V.22bis at 2400bps. |
|--------------+---------------------------------------------|
| B41 | Modem will use ITU-T V.32 at 4800bps. |
|--------------+---------------------------------------------|
| B52 | Modem will use ITU-T V.32bis at 7200bps. |
|--------------+---------------------------------------------|
| B60 | Modem will use ITU-T V.32 at 9600bps. |
|--------------+---------------------------------------------|
| B70 | Modem will use ITU-T V.32bis at 12Kbps. |
|--------------+---------------------------------------------|
| B75 | Modem will use ITU-T V.32bis at 14.4Kbps. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRELLIS CODING |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Un [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects whether the modem will use trellis |
| | coding. |
|------------------------------------------------------------|
| Command | Function |
|-----------------------+------------------------------------|
| í &U0 | Trellis coding enabled. |
|-----------------------+------------------------------------|
| &U1 | Trellis coding disabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32/V.32bis/V.32terbo OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S110=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects options for V.32, V.32bis, and |
| | V.32terbo protocols. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| S110=0 | V.32 enabled. |
|--------------+---------------------------------------------|
| S110=1 | V.32 and V.32bis enabled. |
|--------------+---------------------------------------------|
| S110=2 | V.32 and V.32bis enabled with rate |
| | re-negotiation. |
|--------------+---------------------------------------------|
| S110=3 | V.32, V.32bis, and V.32terbo enabled. |
|--------------+---------------------------------------------|
| í S110=4 | V.32, V.32bis, and V.32terbo enabled with |
| | rate re-negotiation. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32 - AUTO-RETRAIN |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls auto-retrain function if poor line |
| | quality is detected. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &B0 | Auto-retrain disabled, modem hangs up. |
|--------------+---------------------------------------------|
| &B1 | Auto-retrain enabled, modem hangs up if |
| | retrain fails. |
|--------------+---------------------------------------------|
| &B2 | Auto-retrain disabled, modem does not hang |
| | up. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| V.32terbo - CARRIER SPEED OPTIONS |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S109=n [cmds] |
|--------------+---------------------------------------------|
| Default: | 62 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Description: | Designates the carrier speeds available for |
| | V.32terbo during handshake, retrain, and |
| | speed re-negotiations. |
|--------------+---------------------------------------------|
| Bit | Value | Function |
|------+-------+---------------------------------------------|
| 0 | 0 | Not used. |
|------+-------+---------------------------------------------|
| 1 | 0 | 4800bps carrier disabled. |
| | | |
| | í 1 | 4800bps carrier enabled. |
|------+-------+---------------------------------------------|
| 2 | 0 | 7200bps carrier disabled. |
| | | |
| | í 1 | 7200bps carrier enabled. |
|------+-------+---------------------------------------------|
| 3 | 0 | 9600bps carrier disabled. |
| | | |
| | í 1 | 9600bps carrier enabled. |
|------+-------+---------------------------------------------|
| 4 | 0 | 12Kbps carrier disabled. |
| | | |
| | í 1 | 12Kbps carrier enabled. |
|------+-------+---------------------------------------------|
| 5 | 0 | 14.4Kbps carrier disabled. |
| | | |
| | í 1 | 14.4Kbps carrier enabled. |
|------+-------+---------------------------------------------|
| 6 | 0 | 16.8Kbps carrier disabled. |
| | | |
| | í 1 | 16.8Kbps carrier enabled. |
|------+-------+---------------------------------------------|
| 7 | 0 | 19.2Kbps carrier disabled. |
| | | |
| | í 1 | 19.2Kbps carrier enabled. |
+------------------------------------------------------------+