PARADYNE CORPORATION COMSPHERE 3825PLUS 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 AT&T V.32terbo Bell 103A/212A ITU-T V.21, V.22, V.22bis, 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 [Image] CONNECTIONS Purpose Location Purpose Location Line out CN1 DC power CN4 Line in CN2 Power switch SW1 RS-232/422 CN3 DIAGNOSTIC LED(S) LED Color Status Condition EC/SQ Green On Error correction enabled EC/SQ Green Off Error correction disabled EC/SQ Green Blinking, Error correction activated and mostly on poor line signal errors detected EC/SQ Green Blinking, Error correction not activated mostly off and poor line signal errors detected HS/RI Green On Modem is operating at highest configured speed HS/RI Green Off Modem is operating at less than highest configured speed HS/RI Green Blinking Phone is ringing CD Green On Carrier signal detected CD Green Off Carrier signal not detected OH/APL Green On Modem is off-hook OH/APL Green Off Modem is on-hook OH/APL Green Blinking Modem set for leased line RD Green On Modem is receiving data RD Green Off Modem is not receiving data SD Green On Modem is transmitting data SD Green Off Modem is not transmitting data TR Green On DTR signal is high or modem is set to ignore signal TR Green Off DTR signal is low MR/PWR Green Off Power is off MR/PWR Green On Power is on MR/PWR Green Blinking, slow Download only mode MR/PWR Green Blinking, fast Cloning mode MR/PWR Green Blinking Power on in leased mode Proprietary AT Command Set AT COMMAND RESPONSE Type: Register Format: AT [cmds] S84=n [cmds] Example: AT S84=0 &W Description: Sets the response to AT commands. Command Function S84=0 Normal operation S84=1 Execute valid commands, suppress error codes. S84=2 Ignore configuration commands, always return OK error code. AUTO BAUD Type: Register Format: AT [cmds] S78=n [cmds] Example: AT S78=0 &W Description: Allows modem to connect at remote modem’s modulation. Command Function S78=0 Auto baud enabled. S78=1 Auto baud disabled. S78=2 PBX operation. AUTO-RELIABLE FALLBACK CHARACTER Type: Register Format: AT [cmds] %An [cmds] Example: AT%A20 Default: 19 Range: 0-127 Unit: ASCII Description: Sets the character used as the auto-reliable fallback character. %A0 will disable this function. AUTO-RELIABLE TIME BUFFER CONFIGURATION Type: Configuration Format: AT [cmds] \Cn [cmds] Example: AT \C1 &W Description: Controls the handling of incoming data during auto-reliable time period. Command Function \CO Data is discarded. \C1 Data is buffered. \C2 Data is discarded, resets to \C1 on receipt of autoreliable fallback character. BREAK TYPE Type: Configuration Format: AT [cmds] \Kn [cmds] Example: AT \K5 &W Description: Selects response to DTE break command. Command Function \K0 Send break, clear buffer, enter command mode. \K1 Send break, clear buffer \K2 Send break, send data, enter command mode. \K3 Send break. send data, \K4 Send data, send break, enter command mode. \K5 Send data, send break. \K6 Disabled. BUSY OUT ON LOW DTR Type: Register Format: AT [cmds] S69=n [cmds] Example: AT S69=0 &W Description: Modem goes off hook on low DTR (use only in PBX mode). Command Function S69=0 Busy out disabled. S69=1 Busy out enabled. CD SIGNAL Type: Configuration Format: AT [cmds] &Cn [cmds] Example: AT &C3 Description: Configures the behavior of the carrier detect signal. Command Function &C0 CD forced high. &C1 CD normal. &C2 CD forced high except during handshaking and disconnecting. &C3 CD momentary interrupt on disconnect. &C4 CD follows remote RTS signal. &C5 CD Follows DTR signal. Forced low on disconnect. &C6 CD forced low on retrain of over 10 sec. Forced high after no retrain for over 10 sec. CELLULAR ENHANCEMENTS Type: Register Format: AT [cmds] S91=n [cmds] Example: AT S91=0 &W Description: Configures modem to enhanced cellular mode Command Function S91=0 Disabled S91=1 Enabled CLEAR ERROR BUFFER Type: Immediate Format: AT [cmds] "F [cmds] Example: AT "F &W Description: Empties error buffer. COMPRESSION Type: Configuration Format: AT %Cn Example: AT I2 %C1 &B0 Description: Selects data compression. Command Function %C0 Data compression disabled. %C1 Data compression enabled. CTS SIGNAL Type: Configuration Format: AT [cmds] \Dn [cmds] Example: AT \D0 Description: Selects the function of the CTS signal. Command Function \D0 CTS forced high. \D1 CTS normal. \D2 CTS interrupted for 2 seconds on disconnect. \D3 CTS follows DTR. DISCONNECT BUFFER DELAY Type: Register Format: AT [cmds] S39=n [cmds] Example: AT S39=0 Default: Unidentified Range: 0-255 Unit: 1 second Description: Selects how long the modem will continue to transmit data in receive buffer after receipt of disconnect signal DISCONNECT BUFFER DELAY Type: Register Format: AT [cmds] S49=n [cmds] Example: AT S49=0 Default: 10 Range: 0-255 Unit: 1 second Description: Selects how long the modem will continue to transmit data in transmit buffer after receipt of disconnect signal DISCONNECT IMMEDIATELY Type: Configuration Format: AT [cmds] S85=n [cmds] Example: AT S85=0 &W Description: Disconnect immediately on receipt of disconnect signal from DTE or diagnostic control panel. Command Function S85=0 Disabled. S85=1 Enabled. DISCONNECT INACTIVITY Type: Register Format: AT [cmds] S80=n [cmds] Example: AT S80=3 &W Description: Sets the signal monitored by the inactivity timer (\T). Command Function S80=0 Transmit or receive. S80=1 Transmit only. S80=2 Receive only. S80=3 Transmit and receive. DISCONNECT ON LOSS OF CURRENT Type: Configuration Format: AT [cmds] S65=n [cmds] Example: AT S65=0 Description: Causes the modem to disconnect if the telephone line’s current drops. Command Function S65=0 Disconnect after 8ms if current is lost. S65=1 Disconnect after 90ms if current is lost. S65=2 Disabled FLOW CONTROL Type: Configuration Format: AT [cmds] \Gn [cmds] Example: AT \G1 &K3 Description: Selects modem port flow control. Command Function \G0 Flow control disabled. \G1 Flow control enabled. FLOW CONTROL TYPE Type: Configuration Format: AT [cmds] \Qn [cmds] Example: AT \Q5 Description: Sets type of flow control used by modem. Command Function \Q0 Flow control disabled. \Q1 Bidirectional XON/XOFF flow control enabled. \Q2 CTS flow control by DCE enabled. \Q3 Bidirectional CTS/RTS flow control enabled. \Q4 XON/XOFF flow control by DCE enabled. \Q5 XON/XOFF flow control by DTE enabled. \Q6 RTS flow control by DTE enabled. INACTIVITY TIMER Type: Register Format: AT [cmds] \Tn [cmds] Example: AT\T20 Default: 0 Range: 0-255 Unit: 1 minute Description: Sets the length of time that the modem does not receive information before it disconnects. LAP-M FRAME SIZE Type: Configuration Format: AT [cmds] \An [cmds] Example: AT \A3 %C1 Description: Sets the maximum frame size for V.42 and MNP connections. Command Function \A0 Maximum frame size is 64 \A1 Maximum frame size is 128 \A2 Maximum frame size is 192 \A3 Maximum frame size is 256 \A4 Maximum frame size is 32 \A5 Maximum frame size is 16 Note: Maximum V.42 frame size is 128. LAP-M FRAME WINDOW Type: Register Format: AT [cmds] S89=n [cmds] Example: ATS89=6 Default: 0 Range: 1-9 Unit: 1 frame (beginning with 1=6 frames, 0=auto adjust) Description: Sets the number of frames used in V.42 and V.42bis transmissions LEASED LINE AUTO-RETRAIN Type: Register Format: AT [cmds] S82=n [cmds] Example: AT S82=0 &W Description: Allows modem to retrain to compensate for bad line quality in V.32bis, V.32terbo or V.34 mode Command Function S82=0 Retrain enabled. S82=1 Retrain disabled. LEASED LINE DISCONNECT LEVEL Type: Register Format: AT [cmds] S48=n [cmds] Example: AT S48=0 &W Description: Sets level carrier signal drops to before disconnect. Command Function S48=0 Disconnect at -43dBm S48=1 Disconnect at -26dBm LEASED LINE SPEED Type: Register Format: AT [cmds] S44=n [cmds] Example: ATS44=6 Default: 27 Description: Sets maximum leased line speed Command Function S44=1 14.4Kbps V.32bis S44=2 12.0Kbps V.32bis S44=3 9600bps V.32bis, V.32 S44=4 7200bps V.32bis S44=5 4800bps V.32bis, V.32 S44=6 2400bps V.22bis S44=18 19.2Kbps V.32terbo S44=19 16.8Kbps V.32terbo S44=25 33.6Kbps AT&T V.34 S44=26 31.2Kbps AT&T V.34 S44=27 28.8Kbps V.34 S44=28 26.4Kbps V.34 S44=29 24.0Kbps V.34 S44=30 21.6Kbps V.34 S44=31 19.2Kbps V.34 S44=32 16.8Kbps V.34 S44=33 14.4Kbps V.34 S44=34 12.0Kbps V.34 S44=35 9600bps V.34 S44=36 7200bps V.34 S44=37 4800bps V.34 S44=38 2400bps V.34 LEASED LINE TRANSMISSION LEVEL Type: Register Format: AT [cmds] S45=n [cmds] Example: AT S45=15 Default: 0 Range: 0 - 15 Unit: 1 dBm Description: Sets the signal level for transmission when in leased line mode. LINE TYPE Type: Configuration Format: AT [cmds] &Ln [cmds] Example: AT &L0 H1 DT555-1212 Description: Selects line type. Command Function &L0 Switched line. &L1 2-wire originate mode leased line. &L2 2-wire answer mode leased line. LOCK SERIAL PORT Type: Configuration Format: AT [cmds] S90=n [cmds] Example: AT S90=0 Description: Sets operation of serial port speed. Command Function S90=0 Disabled. S90=1 Serial speed follows connect speed. NETWORK POSITION IDENTIFICATION Type: Register Format: AT [cmds] S74=n [cmds] Example: AT S74=0 &W Description: Identifies modem as either tributary or control Command Function S74=0 Identify as tributary S74=1 Identify as control PASSWORD REMOTE ACCESS Type: Register Format: AT [cmds] S56=n [cmds] Example: ATS56=6 Default: None Range: 00-99 Unit: Password digits Description: Allows entry of the first two digits of remote access password. PASSWORD REMOTE ACCESS Type: Register Format: AT [cmds] S57=n [cmds] Example: ATS57=6 Default: None Range: 00-99 Unit: Password digits Description: Allows entry of the second two digits of remote access password. PASSWORD REMOTE ACCESS Type: Register Format: AT [cmds] S58=n [cmds] Example: ATS58=6 Default: None Range: 00-99 Unit: Password digits Description: Allows entry of the third two digits of remote access password. PASSWORD REMOTE ACCESS Type: Register Format: AT [cmds] S59=n [cmds] Example: ATS59=6 Default: None Range: 00-99 Unit: Password digits Description: Allows entry of the fourth two digits of remote access password. PROTOCOL/SPEED Type: Immediate Format: AT [cmds] %Bn [cmds] Example: AT %B14400 Description: Selects the current DCE speed. Command Function %B300 Select V.21 or Bell103 at 300bps speed. %B1200 Select V.22,V.23 or Bell 212A at 1200bps speed. %B2400 Select V.34 at 2400bps speed. %B4800 Select V.34 at 4800bps speed. %B7200 Select V.34 at 7200bps speed. %B9600 Select V.34 at 9600bps uncoded speed. %B12000 Select V.34 at 12Kbps speed. %B14400 Select V.34 at 14.4Kbps speed. %B16800 Select V.34 at 16.8Kbps speed. %B19200 Select V.34 at 19.2Kbps speed. %B21600 Select V.34 at 21.6Kbps speed. %B24000 Select V.34 at 24Kbps speed. %B26400 Select V.34 at 26.4Kbps speed. %B28800 Select V.34 at 28.8Kbps speed. %BL31200 Select V.34 proprietary at 31.2Kbps speed. %BL33600 Select V.34 proprietary at 33.6Kbps speed. %BL2400 Select V.22bis at 2400Kbps speed. %BL4800 Select V.32bis/V.32 at 4800Kbps speed. %BL7200 Select V.32bis at 7200Kbps speed. %BL9600 Select V.32bis/V.32 at 9600Kbps speed. %BL12000 Select V.32bis at 12Kbps speed. %BL14400 Select V.32bis at 14.4Kbps speed. %BL16800 Select V.32terbo at 16.8Kbps speed. %BL19200 Select V.32terbo at 19.2Kbps speed. REMOTE CLONE Type: Configuration Format: AT [cmds] &&P1 [cmds] Example: AT &&P1 &W Description: In online command mode, copies firmware to remote 3825Plus modem REMOTE CONFIGURATION Type: Configuration Format: AT [cmds] S55=n [cmds] Example: AT S55=0 &W Description: Allows remote configuration by 3800 series modem. Command Function S55=0 Remote configuration enabled. S55=1 Remote configuration disabled. REPORT INFORMATION Type: Immediate Format: AT [cmds] In [cmds] Example: AT I1 O Description: Displays modem properties. Command Function I0 Reports product code. I1 Reports firmware 3 digit version number. I2 Performs EPROM check I3 Reports serial number I4 Reports model number I5 Reports hardware part number I6 Reports software part number I9 Reports firmware 3 digit version number. I11 Reports RAM checksum result. I17 Reports last eight critical errors from last to first I19 Reports complete firmware revision number RJ11 CELLULAR ADAPT Type: Register Format: AT [cmds] S93=n [cmds] Example: AT S93=0 &W Description: Adds support for RJ11 connection during cellular operation Command Function S93=0 Disabled. S93=1 Enabled. SECURITY CHANGE ADMINISTRATION PASSWORD Type: Configuration Format: AT [cmds] %SA=nnnnnnnn [cmds] Example: AT %SA=22233344 &W Description: Changes administration password. SECURITY CHANGE DTE PASSWORD Type: Configuration Format: AT [cmds] %SBi=nnnnnnnn [cmds] Example: AT %SBi=22233344 &W Description: Changes the DTE type password in index i. SECURITY CHANGE VF PLUS DTE PASSWORD Type: Configuration Format: AT [cmds] %SBi=nnnnnnnn [cmds] Example: AT %SBi=22233344 &W Description: Changes the VF plus DTE type password in index i. SECURITY CHANGE VF PASSWORD Type: Configuration Format: AT [cmds] %SVi=nnnnnnnn [cmds] Example: AT %SVi=22233344 &W Description: Changes the VF type password in index i. SECURITY DISPLAY PASSWORD Type: Immediate Format: AT [cmds] %SPi [cmds] Example: AT %SPi &W Description: Displays the VF or DTE type password in index i. SECURITY DELETE PASSWORD Type: Configuration Format: AT [cmds] %SPi= [cmds] Example: AT %SPi= &W Description: Delete the VF or DTE type password in index i. SECURITY ENTER ADMINISTRATION PASSWORD Type: Configuration Format: AT [cmds] %SAnnnnnnnn [cmds] Example: AT %SA22233344 &W Description: Sets modem to allow security configuration and password changes. SECURITY RESET Type: Configuration Format: AT [cmds] %SR [cmds] Example: AT %SR &W Description: Resets administration password and empties password table STORED PROFILE Type: Register Format: AT [cmds] S88=n [cmds] Example: AT S88=0 &W Description: Loads stored profile on disconnect. Command Function S88=0 Disabled. S88=231 Disabled. S88=1 Enabled. S88=232 Enabled. SWITCHED LINE SPEED Type: Register Format: AT [cmds] S41=n [cmds] Example: ATS41=6 Default: 20 Description: Sets maximum line speed Command Function S41=1 14.4Kbps V.32bis S41=2 12.0Kbps V.32bis S41=3 9600bps V.32bis, V.32 S41=4 7200bps V.32bis S41=5 4800bps V.32bis, V.32 S41=6 2400bps V.22bis S41=7 1200bps V.22 S41=8 1200bps 212A S41=10 0-300bps V21 S41=11 0-300bps 103J S41=20 19.2Kbps V.32terbo S41=21 16.8Kbps V.32terbo S41=27 33.6Kbps AT&T V.34 S41=28 31.2Kbps AT&T V.34 S41=29 28.8Kbps V.34 S41=30 26.4Kbps V.34 S41=31 24.0Kbps V.34 S41=32 21.6Kbps V.34 S41=33 19.2Kbps V.34 S41=34 16.8Kbps V.34 S41=35 14.4Kbps V.34 S41=36 12.0Kbps V.34 S41=37 9600bps V.34 S41=38 7200bps V.34 S41=39 4800bps V.34 S41=40 2400bps V.34 TRANSMISSION LEVEL Type: Configuration Format: AT [cmds] &In [cmds] Example: AT &I26 &W Default: Unidentified Range: 0-32, 99, 100 Unit: -1 dBm Description: Sets the signal level for transmission Note: 0-8 invalid in North America. Set to 99 for autoadjust ETC1.0 specification. Set to 100 for autoadjust ETC1.1 specification TRANSMISSION LEVEL Type: Configuration Format: AT [cmds] &J0 [cmds] Example: AT &J0 &W Description: Sets -9 dBm permissive mode V.25bis CODE SET Type: Configuration Format: AT [cmds] S62=n [cmds] Example: AT S62=0 &W Description: Sets coding type used in V.25bis mode. Command Function S62=0 ASCII S62=1 EBCDIC V.25bis IDLE CHARACTER Type: Configuration Format: AT [cmds] S63=n [cmds] Example: AT S63=0 &W Description: Sets V.25 idle fill type Command Function S63=0 Fill character is mark. S63=1 Fill character is flag. V.25bis NEW LINE CHARACTER Type: Configuration Format: AT [cmds] S64=n [cmds] Example: AT S64=0 &W Description: Sets V.25 new line character. Command Function S64=0 Carriage return and line feed. S64=1 Carriage return. S64=2 Line feed. V.32bis AUTO-RETRAIN Type: Register Format: AT [cmds] S76=n [cmds] Example: AT S76=0 &W Description: Selects action the modem will take during bad line quality on 32bis connection. Command Function S76=0 Auto retrain enabled. S76=1 Auto retrain disabled. S76=2 Auto retrain started at 4800bps for V.32bis operation. S76=3 Auto retrain started at 9600bps for V.32bis operation. V.32bis TRAIN Type: Register Format: AT [cmds] S43=n [cmds] Example: AT S43=0 &W Description: Sets train length for V.34, V.32terbo, V.32bis and V32. Command Function S43=0 Long S43=1 Short V.34 SPLIT BAUD MODE Type: Configuration Format: AT [cmds] S14=n [cmds] Example: AT S14=0 Description: Controls V.34 split baud mode. Command Function S14=0 V.34 split baud mode enabled. S14=1 V.34 split baud mode disabled. V.42bis COMPRESSION CONTROL Type: Configuration Format: AT [cmds] "Hn [cmds] Example: AT "H3 &W Description: Controls V.42bis data compression Command Function "H0 V.42bis disabled. "H1 V.42bis when transmitting enabled. "H2 V.42bis when receiving enabled. "H3 V.42bis when transmitting/receiving enabled. XON/XOFF PASS-THROUGH Type: Configuration Format: AT [cmds] \Xn [cmds] Example: AT \X7 O Description: Selects whether XON/XOFF signals are sent to remote modem. Command Function \X0 XON/XOFF signals trapped by local modem. \X1 XON/XOFF passed through local modem. DTR ALARM Type: Register Format: AT [cmds] S77=n [cmds] Example: AT S77=0 &W Description: Sends alarm to proprietary Series Management Controller if DTR low for 10 seconds. Command Function S77=0 Alarm disabled. S77=1 Alarm enabled. CALLBACK SECURITY Type: Register Format: AT [cmds] S67=n [cmds] Example: AT S67=0 &W Description: Enables callback security option Command Function S67=0 Disabled S67=1 Enabled ANSWER SECURITY Type: Register Format: AT [cmds] S68=n [cmds] Example: AT S68=0 &W Description: Selects what type of answer security is used. Command Function S68=0 Answer security disabled S68=1 DTE answer security enabled. S68=2 VF and DTE answer security enabled S68=3 VF with DTE answer security enabled ORIGINATE SECURITY Type: Register Format: AT [cmds] S70=n [cmds] Example: AT S70=0 &W Description: Enables originate security option Command Function S70=0 Originate security disabled S70=1 Originate security enabled VF PROMPT TYPE Type: Register Format: AT [cmds] S95=n [cmds] Example: AT S95=0 &W Description: Selects the type of VF password prompt sent to remote dialer. Command Function S95=0 Second dial tone S95=1 Quiet answer Note: Also selects which dial modifier (@ or W) must precede password PASSWORD ATTTEMPT LIMIT Type: Register Format: AT [cmds] S96=n [cmds] Example: AT S96=0 &W Description: Sets number of DTE password attempts before disconnect. Command Function S96=0 1 attempt S96=1 2 attempts S96=2 3 attempts S96=3 4 attempts S96=4 5 attempts PASSWORD DTE TERMINATION CHARACTER Type: Register Format: AT [cmds] S97=n [cmds] Example: ATS97=13 Default: 13 Range: 1-127 Unit: ASCII Description: Sets Character used to indicate end of password or callback directory/number PASSWORD BACKSPACE CHARACTER Type: Register Format: AT [cmds] S98=n [cmds] Example: ATS98=8 Default: 8 Range: 0-127 Unit: ASCII Description: Sets Character used backspace when entering password or callback directory/number