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# LOGICODE TECHNOLOGY, INC.
2814XV-VFC/28V14XV
Modem Type Data
(synchronous/asynchronous)/Fax/Voice
Maximum Data Rate 28.8Kbps
Maximum Fax Rate 14.4Kbps
Data Bus External
Fax Class Class I & II
Data Modulation Bell 103A/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.32,
V.32bis, V.34
Fax Modulation ITU-T V.17, V.21CH2, V.27ter, V.29
Protocol
Error MNP10, MNP5, V.42, V.42bis
Correction/Compression
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Line out | CN1 | Speaker | CN5 |
|------------------+----------+-------------------+----------|
| Line in | CN2 | Microphone | CN6 |
|------------------+----------+-------------------+----------|
| RS-232/422 | CN3 | Power switch | SW1 |
|------------------+----------+-------------------+----------|
| DC power | CN4 | | |
|------------------------------------------------------------|
| Note: SW2 not installed on 28V14XV. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNCHRONOUS/ASYNCHRONOUS OPERATION |
|------------------------------------------------------------|
| Setting | SW2/2 | SW2/3 |
|---------------------------------+-------------+------------|
| Asynchronous operation | On | Off |
|---------------------------------+-------------+------------|
| Synchronous with internal clock | On | Off |
|---------------------------------+-------------+------------|
| Synchronous with external clock | Off | On |
|---------------------------------+-------------+------------|
| Synchronous with slave clock | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DSR/DTR FORCED HIGH |
|------------------------------------------------------------|
| Setting | SW2/4 |
|-------------------------------+----------------------------|
| » Normal operation | On |
|-------------------------------+----------------------------|
| DSR/DTR forced high | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMAND SET |
|------------------------------------------------------------|
| Setting | SW2/6 |
|-------------------------------+----------------------------|
| V.25bis command set | Off |
|-------------------------------+----------------------------|
| AT command set | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REMOTE CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW2/7 |
|-------------------------------+----------------------------|
| Enabled | Off |
|-------------------------------+----------------------------|
| Disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLBACK SECURITY |
|------------------------------------------------------------|
| Setting | SW2/8 |
|-------------------------------+----------------------------|
| Disabled | Off |
|-------------------------------+----------------------------|
| Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Switch | Setting |
|------------------------------+-----------------------------|
| Off | SW2/1 |
|------------------------------+-----------------------------|
| On | SW2/5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Icon | Status | Condition |
|-----+-------------+----------+-----------------------------|
| AA | AA | On | Auto-answer enabled |
|-----+-------------+----------+-----------------------------|
| AA | AA | Off | Auto-answer disabled |
|-----+-------------+----------+-----------------------------|
| AA | AA | Blinking | Phone is ringing |
|-----+-------------+----------+-----------------------------|
| ST | Pyramid of | On | Self test mode |
| | balls | | |
|-----+-------------+----------+-----------------------------|
| ST | Pyramid of | Off | Normal operation |
| | balls | | |
|-----+-------------+----------+-----------------------------|
| ST | Pyramid of | Blinking | Self test failure |
| | balls | | |
|-----+-------------+----------+-----------------------------|
| RX | Modem left | On | Modem is receiving data |
| | arrow | | |
|-----+-------------+----------+-----------------------------|
| RX | Modem left | Off | Modem is not receiving data |
| | arrow | | |
|-----+-------------+----------+-----------------------------|
| TX | Modem right | On | Modem is transmitting data |
| | arrow | | |
|-----+-------------+----------+-----------------------------|
| TX | Modem right | Off | Modem is not transmitting |
| | arrow | | data |
|-----+-------------+----------+-----------------------------|
| CD | Phone | On | Carrier signal detected |
|-----+-------------+----------+-----------------------------|
| CD | Phone | Off | Carrier signal not detected |
|-----+-------------+----------+-----------------------------|
| HS | Running | On | Modem is operating at |
| | figure | | 4800bps or faster |
|-----+-------------+----------+-----------------------------|
| HS | Running | Off | Modem is operating at |
| | figure | | slower than 4800bps |
|-----+-------------+----------+-----------------------------|
| OH | Crossed out | On | Modem is off-hook |
| | phone | | |
|-----+-------------+----------+-----------------------------|
| OH | Crossed out | Off | Modem is on-hook |
| | phone | | |
|-----+-------------+----------+-----------------------------|
| TR | Box | On | DTR signal is high |
|-----+-------------+----------+-----------------------------|
| TR | Box | Off | DTR signal is low |
|-----+-------------+----------+-----------------------------|
| MS | Box | On | Modem connected at more |
| | | | than 24Kbps |
|-----+-------------+----------+-----------------------------|
| MS | Box | Off | Modem connected at less |
| | | | than 24Kbps |
|-----+-------------+----------+-----------------------------|
| MR | Rectangle | On | Power is on |
|-----+-------------+----------+-----------------------------|
| MR | Rectangle | Off | Power is off |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| CALLER ID |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #CID=n [cmds] |
|--------------+---------------------------------------------|
| Example: | AT #CID=2<CR> |
|--------------+---------------------------------------------|
| Description: | Controls the Caller ID function. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| » #CID=0 | Caller ID disabled. |
|--------------+---------------------------------------------|
| #CID=1 | Caller ID displays formatted data. |
|--------------+---------------------------------------------|
| #CID=2 | Caller ID displays raw hexadecimal data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLER ID DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #CID? [cmds] |
|--------------+---------------------------------------------|
| Example: | AT#CID?<CR> |
|--------------+---------------------------------------------|
| Description: | Displays current caller ID status. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER FACTORY DEFAULTS |
|------------------------------------------------------------|
| Register | Default |
|----------------------------+-------------------------------|
| S21 | 4 |
|----------------------------+-------------------------------|
| S23 | 54 |
|----------------------------+-------------------------------|
| S27 | 9 |
|----------------------------+-------------------------------|
| S28 | 0 |
|----------------------------+-------------------------------|
| S29 | 0 |
|----------------------------+-------------------------------|
| S31 | 2 |
|----------------------------+-------------------------------|
| S40 | 105 (MNP models) |
|----------------------------+-------------------------------|
| S40 | 107 (non MNP models) |
|----------------------------+-------------------------------|
| S41 | 3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIT-MAPPED REGISTER S22 |
|------------------------------------------------------------|
| Format | AT [cmds] S22=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS22=117<CR> |
|----------------+-------------------------------------------|
| Default: | 117 |
|----------------+-------------------------------------------|
| Range: | 0-127 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Controls speaker volume and controls, and |
| | limits results codes. |
|------------------------------------------------------------|
| Bit | Value | Function |
|-----------+-------+----------------------------------------|
| 1, 0 | » 01 | On volume. |
| | 10 11 | |
| | | Medium level volume. |
| | | |
| | | High level volume. |
|-----------+-------+----------------------------------------|
| 3, 2 | 00 » | Speaker off. |
| | 01 10 | |
| | 11 | Speaker off on carrier. |
| | | |
| | | Speaker always on. |
| | | |
| | | Speaker on during handshake. |
|-----------+-------+----------------------------------------|
| 6, 5, 4 | 000 | Basic result codes only enabled. |
| | 100 | |
| | 101 | Basic and connection speed result |
| | 110 » | codes enabled. |
| | 111 | |
| | | Basic and connection speed result |
| | | codes and dialtone detection enabled. |
| | | |
| | | All result codes except dialtone |
| | | detection enabled. |
| | | |
| | | All result codes enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLER ID HELP DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] #CID=? [cmds] |
|--------------+---------------------------------------------|
| Example: | AT#CID=?<CR> |
|--------------+---------------------------------------------|
| Description: | Displays modem’s caller ID capability. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CELLULAR TRANSMIT LEVEL |
|------------------------------------------------------------|
| Type: | Register/Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S201=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS201=6<CR> |
|--------------+---------------------------------------------|
| Default: | 63 |
|--------------+---------------------------------------------|
| Range: | 1-63 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Selects cellular transmit level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY CURRENT COMMAND STATUS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \S [cmds] |
|--------------+---------------------------------------------|
| Example: | AT &Z2=9W1-303-555-1212 \S<CR> |
|--------------+---------------------------------------------|
| Description: | Displays current setting of modem commands. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY DELAYED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | *D |
|--------------+---------------------------------------------|
| Example: | *D<CR> |
|--------------+---------------------------------------------|
| Description: | Requests the list of delayed numbers from |
| | the modem. This is a list of numbers that |
| | the modem attempted to call and and failed, |
| | and is not allowed to call again until a |
| | set amount of time has elapsed. This is |
| | usually to prevent repeated dialing of a |
| | number (which could indicate an attempted |
| | security breach.). |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY FORBIDDEN NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | *B |
|--------------+---------------------------------------------|
| Example: | *B<CR> |
|--------------+---------------------------------------------|
| Description: | Requests the list of forbidden numbers from |
| | the modem. The modem is unable to dial |
| | numbers on this list until its power has |
| | been cycled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISPLAY STORED NUMBERS |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \F? [cmds] |
|--------------+---------------------------------------------|
| Example: | AT \F2=9W1-303-555-1212 \F?<CR> |
|--------------+---------------------------------------------|
| Description: | Displays all stored phone numbers. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ERROR CORRECTION DISPLAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Wn [cmds] |
|--------------+---------------------------------------------|
| Example: | AT W0 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Selects connect display format. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| W0 | Display serial port speed enabled. |
|--------------+---------------------------------------------|
| W1 | Display line speed, MNP, and serial port |
| | speed enabled. |
|--------------+---------------------------------------------|
| W2 | Display line speed enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FAX TRANSMISSION ATTENUATION |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S92=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS92=6<CR> |
|--------------+---------------------------------------------|
| Default: | 10 |
|--------------+---------------------------------------------|
| Range: | 1- 15 |
|--------------+---------------------------------------------|
| Unit: | 1 dBm |
|--------------+---------------------------------------------|
| Description: | Selects fax attenuation level. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH DIAL MODIFIER TIME |
|------------------------------------------------------------|
| Format | AT [cmds] S29=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS29=0<CR> |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | 10 ms |
|--------------+---------------------------------------------|
| Description: | Time the modem will go on-hook upon |
| | receiving the ! dial modifier in dial |
| | string. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL CHARACTER - XOFF |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format: | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS33=20<CR> |
|--------------+---------------------------------------------|
| 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<CR> |
|--------------+---------------------------------------------|
| Default: | 17 |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | ASCII |
|--------------+---------------------------------------------|
| Description: | Sets the character used to represent XON. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| LOOPBACK TESTS |
|------------------------------------------------------------|
| Format | AT [cmds] S16=n [cmds] |
|----------------+-------------------------------------------|
| Example: | ATS16=32<CR> |
|----------------+-------------------------------------------|
| Default: | 0 |
|----------------+-------------------------------------------|
| Range: | 0 - 125 |
|----------------+-------------------------------------------|
| Unit: | Bit-mapped |
|----------------+-------------------------------------------|
| Description: | Enables loopback tests. |
|----------------+-------------------------------------------|
| Note: | Bit 3 is read-only. |
|------------------------------------------------------------|
| Bit | Value | Function |
|----------+-------+-----------------------------------------|
| 0 | » 0 1 | Local analog loopback test disabled. |
| | | |
| | | Local analog loopback test enabled. |
|----------+-------+-----------------------------------------|
| 1 | 0 | Not used. |
|----------+-------+-----------------------------------------|
| 2 | » 0 1 | Local digital loopback test disabled. |
| | | |
| | | Local digital loopback test enabled. |
|----------+-------+-----------------------------------------|
| 3 | » 0 1 | Modem is not performing remote digital |
| | | loopback test. |
| | | |
| | | Modem is performing remote digital |
| | | loopback test. |
|----------+-------+-----------------------------------------|
| 4 | » 0 1 | Remote digital loopback test disabled. |
| | | |
| | | Remote digital loopback test enabled. |
|----------+-------+-----------------------------------------|
| 5 | » 0 1 | Remote digital loopback with local |
| | | self-test disabled. |
| | | |
| | | Remote digital loopback with local |
| | | self-test enabled. |
|----------+-------+-----------------------------------------|
| 6 | » 0 1 | Local analog loopback with local |
| | | self-test disabled. |
| | | |
| | | Local analog loopback with local |
| | | self-test enabled. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +MS=xx,y,zzz,aaa [cmds] |
|--------------+---------------------------------------------|
| Example: | AT +MS11,1,300,28800 &W<CR> |
|--------------+---------------------------------------------|
| Description: | Sets options for active protocol. The |
| | transfer rates specified by z and a must be |
| | valid for the protocol selected. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| x=0 | V.21 |
|--------------+---------------------------------------------|
| x=1 | V.22 |
|--------------+---------------------------------------------|
| x=2 | V.22bis |
|--------------+---------------------------------------------|
| x=3 | V.23 |
|--------------+---------------------------------------------|
| x=9 | V.32 |
|--------------+---------------------------------------------|
| x=10 | V.34 |
|--------------+---------------------------------------------|
| » x=11 | V.34 |
|--------------+---------------------------------------------|
| x=64 | Bell 103A |
|--------------+---------------------------------------------|
| x=69 | Bell 212A |
|--------------+---------------------------------------------|
| x=74 | V.FC |
|--------------+---------------------------------------------|
| » y=1 | Auto-detect highest speed enabled. |
|--------------+---------------------------------------------|
| y=0 | Automode disabled. |
|--------------+---------------------------------------------|
| z, a=300 | Set minimum or maximum transfer rate at |
| | 300bps, respectively. |
|--------------+---------------------------------------------|
| z, a=1200 | Set minimum or maximum transfer rate at |
| | 1200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=2400 | Set minimum or maximum transfer rate at |
| | 2400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=4800 | Set minimum or maximum transfer rate at |
| | 4800bps, respectively. |
|--------------+---------------------------------------------|
| z, a=7200 | Set minimum or maximum transfer rate at |
| | 7200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=9600 | Set minimum or maximum transfer rate at |
| | 9600bps, respectively. |
|--------------+---------------------------------------------|
| z, a=12000 | Set minimum or maximum transfer rate at |
| | 12000bps, respectively. |
|--------------+---------------------------------------------|
| z, a=14400 | Set minimum or maximum transfer rate at |
| | 14400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=16800 | Set minimum or maximum transfer rate at |
| | 16800bps, respectively. |
|--------------+---------------------------------------------|
| z, a=19200 | Set minimum or maximum transfer rate at |
| | 19200bps, respectively. |
|--------------+---------------------------------------------|
| z, a=21600 | Set minimum or maximum transfer rate at |
| | 21600bps, respectively. |
|--------------+---------------------------------------------|
| z, a=24000 | Set minimum or maximum transfer rate at |
| | 24000bps, respectively. |
|--------------+---------------------------------------------|
| z, a=26400 | Set minimum or maximum transfer rate at |
| | 26400bps, respectively. |
|--------------+---------------------------------------------|
| z, a=28800 | Set minimum or maximum transfer rate at |
| | 28800bps, respectively. |
|------------------------------------------------------------|
| Note: Default for z is 300bps. Default for a is 28800. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MODULATION SELECTION DISPLAY |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +MS? |
|--------------+---------------------------------------------|
| Example: | AT +MS? <CR> |
|--------------+---------------------------------------------|
| Description: | Displays modulation, automode, minimum rate |
| | and maximum rate settings |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Format | AT [cmds] S24=n [cmds] |
|--------------+---------------------------------------------|
| Example: | ATS24=40<CR> |
|--------------+---------------------------------------------|
| Default: | 1 |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. |
+------------------------------------------------------------+