E-TECH RESEARCH, INC.
BULLET 100E (REV. 1.01)
Modem Type | Data (synchronous/asynchronous)/Fax |
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 |
Error Correction/Compression | MNP5, V.42, V.42bis |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Line out | CN1 | LCD control button | BT1 |
Line in | CN2 | LCD control button | BT2 |
Lease line | CN3 | LCD control button | BT3 |
RS-232/422 | CN4 | LCD control button | BT4 |
DC power | CN5 | LCD control button | BT5 |
Power switch | SW1 | OK button | BT6 |
Volume | R1 | More button | BT7 |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
PWR | Red | On | Power is on |
PWR | Red | Off | Power is off |
TD | Red | On | Modem is transmitting data |
TD | Red | Off | Modem is not transmitting data |
RD | Red | On | Modem is receiving data |
RD | Red | Off | Modem is not receiving data |
DCD | Red | On | Carrier signal detected |
DCD | Red | Off | Carrier signal not detected |
OH | Red | On | Modem is off-hook |
OH | Red | Off | Modem is on-hook |
RTS | Red | On | DTE sends RTS signal |
RTS | Red | Off | DTE does not send RTS signal |
DTR | Red | On | DTR signal is high |
DTR | Red | Off | DTR signal is low |
AA | Red | On | Auto-answer enabled |
AA | Red | Off | Auto-answer disabled |
Proprietary AT Command Set
AUTO-REDIAL | |
Type: | Configuration |
Format: | AT [cmds] $Dn [cmds] |
Example: | AT $D0 &W <CR> |
Description: | Controls auto-redial. |
Command | Function |
| » $D0 | Auto-redial disabled. |
$D1 | Auto-redial enabled, if remote is busy will try up to n times. |
BUFFER SIZE | |
Type: | Configuration |
Format: | AT [cmds] $Bn [cmds] |
Example: | AT $B0<CR> |
Description: | Selects the modem’s transmit/receive buffer size. |
Command | Function |
í $B0 | Normal buffer size. |
$B1 | Small buffer size. |
BREAK LENGTH (LAPM) | |
Type: | Register |
Format: | AT [cmds] S34=n [cmds] |
Example: | ATS34=20 <CR> |
Default: | 35 |
Range: | 1-255 |
Unit: | .1 second. |
Description: | Sets the length of breaks for LAPM protocol. |
CALLBACK SECURITY LEVEL | |
Type: | Configuration |
Format: | AT [cmds] $Yn [cmds] |
Example: | AT $Y1 S0=1 <CR> |
Description: | Sets the security level of the callback function. |
Command | Function |
$Y0 | Callback security disabled. |
$Y1 | Enables CB1; Set password for 10 users; Modem prompt caller for password and a number (0-9). Modem disconnects, correct password initiates call back. |
$Y2 | Enables CB2; Set password for any user; Modem prompt caller for password and complete phone number. Modem disconnects, correct password initiates call back. |
$Y3 | Enables CB3; Set password for 10 individual users; Modem prompt caller for their password. Modem disconnects, correct password initiates call back for their phone number. |
$Y4 | Enables caller filter without call back. Set password for any user; Modem prompt caller for password, correct password modem stays on-line, not password modem disconnects. |
CHARACTER LENGTH | |
Type: | Configuration |
Format: | AT [cmds] $Ln [cmds] |
Example: | AT $L3 <CR> |
Description: | Sets length of character. |
Command | Function |
$L0 | 8 bits per character. |
$L1 | 9 bits per character. |
| » $L2 | 10 bits per character. |
$L3 | 11 bits per character. |
COMPRESSION | |
Type: | Configuration |
Format: | AT $Cn |
Example: | AT *EC0 $C1 *AP0 <CR> |
Description: | Selects data compression. |
Command | Function |
$C0 | Data compression disabled. |
| » $C1 | Data compression enabled. |
CONNECT MESSAGE | |
Type: | Configuration |
Format: | AT [cmds] $Xn [cmds] |
Example: | AT $X2 &W <CR> |
Description: | Controls connect message. |
Command | Function |
$X0 | Normal connect and DCE speed message enabled. |
$X1 | Normal connect and DTE speed message enabled. |
| » $X2 | Extended connect and DCE speed message enabled. |
$X3 | Extended connect and DTE speed message enabled. |
DIAL INTERRUPT | |
Type: | Configuration |
Format: | AT [cmds] $Kn [cmds] |
Example: | AT $K1 &W <CR> |
Description: | Control dial interrupt. |
Command | Function |
$K0 | Dial interrupt disabled. |
| » $K1 | Dial interrupt enabled. |
ECHO CANCELER LENGTH | |
Type: | Configuration |
Format: | AT [cmds] $An [cmds] |
Example: | AT $A0 &W <CR> |
Description: | Controls canceler length. |
Command | Function |
$A0 | Standard canceler enabled. |
| » $A1 | Long canceler enabled, used when round-trip delay is > 36.833ms. |
ERROR CORRECTION MODE | |
Type: | Configuration |
Format: | AT [cmds] $En [cmds] |
Example: | AT $E1 %C1 <CR> |
Description: | Selects active error-correction protocols. |
Command | Function |
$E0 | Normal mode enabled. |
$E1 | Auto-MNP mode enabled. |
$E2 | MNP mode enabled. |
| » $E3 | Auto-V.42 mode enabled. |
$E4 | LAPM mode enabled. |
EXTENDED RING | |
Type: | Configuration |
Format: | AT [cmds] $In [cmds] |
Example: | AT$I0<CR> |
Description: | Selects the response to extended ring types. |
Command | Function |
| » $I0 | Respond to all ring types. |
$I1 | Respond to single ring. |
$I2 | Respond to double ring. |
$I3 | Respond to single and double rings. |
$I4 | Respond to triple ring. |
$I5 | Respond to single and triple rings. |
$I6 | Respond to double and triple rings. |
$I7 | Respond to all ring types. |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] $Fn [cmds] |
Example: | AT $F4 &W <CR> |
Description: | Select type of flow control. |
Command | Function |
$F0 | XON/XOFF local flow enabled. |
$F1 | XON/XOFF passthrough flow enabled. |
$F2 | HP ENQ/ACK pacing enabled. |
$F3 | Hardware DTR/DSR flow control enabled. |
| » $F4 | Hardware CTS/RTS flow control enabled. |
$F5 | Flow control disabled. |
$F6 | modem translates XON/XOFF received from line to CTS. |
FLOW CONTROL IN SPEED CONVERSION | |
Type: | Configuration |
Format: | AT [cmds] $Mn [cmds] |
Example: | AT $M1 &W <CR> |
Description: | Controls DCE-to-DCE flow in speed conversion. |
Command | Function |
| » $M0 | DCE-to-DCE flow in speed conversion disabled, (XON/XOFF). |
$M1 | DCE-to-DCE flow in speed conversion enabled, (XON/XOFF). |
HOLD HOOK TIME | |
Type: | Register |
Format: | AT [cmds] S30=n [cmds] |
Example: | ATS30=6 <CR> |
Default: | 0 |
Range: | 0-255 |
Unit: | 1 second. |
Description: | Sets hold hook time for lease line mode. |
IDENTIFICATION | |
Type: | Immediate |
Format: | AT [cmds] In [cmds] |
Example: | AT I3 &W <CR> |
Description: | Displays several options. |
Command | Function |
I0 | Display product - identification code. |
I1 | Display software version. |
I2 | Show ‘OK’ twice. |
I8 | Test memory. |
I9 | Display ROM checksum. |
LEASED LINE BACKUP RECOVERY DELAY | |
Type: | Register |
Format: | AT [cmds] S33=n [cmds] |
Example: | ATS33=10 <CR> |
Default: | 60 |
Range: | 0-255 |
Unit: | 1 minute. |
Description: | After leased line failure, modem attempts to reconnect after specified delay. |
PASSWORD | |
Type: | Immediate |
Format: | AT [cmds] $Pn [cmds] |
Example: | AT $P12 &W <CR> |
Description: | Controls password. |
Command | Function |
$Pn | Change password for call back 3, for stored n phone number (0<n>9). |
$P10 | Change password for remote configuration. |
$P11 | Change password for call back 1. |
$P12 | Change password for call back 2. |
$P13 | Change password for call filter. |
PROTOCOL/SPEED | |
Type: | Configuration |
Format: | AT [cmds] &Ln [cmds] |
Example: | AT &L0 A <CR> |
Description: | Selects the current protocol and speed. |
Command | Function |
| » &L0 | Auto-select fastest common protocol. |
&L1 | Connect at V.23 75/1200bps. |
&L2 | Not used. |
&L3 | Connect at 300bps. |
&L4 | Connect at 600bps. |
&L5 | Connect at 1200bps. |
&L6 | Connect at 2400bps. |
&L7 | Connect at 4800bps. |
&L8 | Connect at 7200bps. |
&L9 | Connect at 9600bps. |
&L10 | Connect at 12Kbps. |
&L11 | Connect at 14.4Kbps. |
&L12 | Connect at 16.8Kbps. |
&L13 | Connect at 19.2Kbps. |
&L14 | Not used. |
&L15 | Connect at 21.6Kbps. |
&L16 | Connect at 24Kbps. |
&L17 | Connect at 26.4Kbps. |
&L18 | Connect at 28.8Kbps. |
REDIAL | |
Type: | Register |
Format: | AT [cmds] S32=n [cmds] |
Example: | ATS32=20 <CR> |
Default: | 20 |
Range: | 0-255 |
Unit: | 1 second. |
Description: | Sets length of time before modem redials the last number dialed. |
REMOTE CONFIGURATION | |
Type: | Configuration |
Format: | AT [cmds] $Rn [cmds] |
Example: | AT $R0 &W <CR> |
Description: | Controls remote configuration. |
Command | Function |
| » $R0 | Remote configuration disabled. |
$R1 | Remote configuration enabled. |
RETRAIN OPTION | |
Type: | Configuration |
Format: | AT [cmds] &En [cmds] |
Example: | AT &E0 &W <CR> |
Description: | Selects retraining option. |
Command | Function |
| » &E0 | Disconnect after 4 retrain attempts during 3 minute period. |
&E1 | Disconnect after 4 retrain attempts during 4 minute period. |
&E2 | Disconnect after 4 retrain attempts during 5 minute period. |
&E3 | Retrain action always enabled. |
&E4 | Retrain action disabled. |
SWITCHED LINE TRANSMISSION LEVEL | |
Type: | Configuration |
Format: | AT [cmds] $Tn [cmds] |
Example: | AT $T12 <CR> |
Default: | 12 |
Range: | 0 - 15 |
Unit: | -1 dBm. |
Description: | Sets the signal level for transmission when in switched line mode. |
V.34 PROTOCOL | |
Type: | Configuration |
Format: | AT [cmds] $Vn [cmds] |
Example: | AT $V1 <CR> |
Description: | Controls V.34 protocol. |
Command | Function |
$V0 | V.34 protocol disabled. |
| » $V1 | V.34 protocol enabled. |
V.42 DETECTION OPTIONS | |
Type: | Register |
Format: | AT [cmds] S48=n [cmds] |
Example: | ATS48=7 <CR> |
Default: | 7 |
Range: | 0 and 7 |
Unit: | Unidentified. |
Description: | Controls detection phase. |
Command | Function |
S47=0 | Originating side detection disabled. |
| » S47=7 | Originating side detection enabled. |
V.42 DETECTION TIMER | |
Type: | Register |
Format: | AT [cmds] S47=n [cmds] |
Example: | ATS47=75 <CR> |
Default: | 75 |
Range: | 75-255 |
Unit: | .01 second. |
Description: | Sets the time for V.42 negotiation. |