Related Manuals for Data-Linc Group DLM4100
Summary of Contents for Data-Linc Group DLM4100
- Page 1 UIDE DLM4100 Compact Dial-Up Modem It is essential that all instructions contained in the User Guide are followed precisely to ensure proper operation of equipment.
- Page 2 Product User Guide PN 161-09977-001B DATA-LINC GROUP...
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Page 3: Operating Instructions
DLM4100 User’s Manual Operating Instructions The DLM4100 is a compact dial-up modem designed and manufactured to operate in full industrial applications. It is powered with an input voltage range of +8V to +15VDC. A 120VAC to unregulated 12VDC wall transformer power supply has been provided (24VDC versions also available). -
Page 4: Specifications
On indicates that data is flowing out to the serial port Since the DLM4100 has been pre-configured at the factory for typical PLC to PC use, the only command strings required are for dialing and hanging up. The command instruction to be entered in either PC or PLC... - Page 5 DLM4100 User’s Manual AT Commands A- Answer Command – ATA forces the modem to immediately go off-hook and begin transmitting the answer tone sequence. Bn- Select Communications Standard – ATBn selects the modulation scheme used for connections below 2400 bits per second.
- Page 6 DLM4100 User’s Manual On- On Line – ATOn switches the modem from the command mode to the data mode. n=0 Return on-line with no retrain n=1 Initiate retrain returning on-line Qn- Reponses – ATQn determines if the modem will issue responses...
- Page 7 DLM4100 User’s Manual &Dn- DTR – AT&Dn determines how the modem will respond to changes to DTR n=0 DTR is ignored by the modem n=1 Enter command mode if DTR revoked n=2 Disconnect if DTR revoked n=3 Soft reset when DTR revoked &Gn- Guard Tone –...
- Page 8 DLM4100 User’s Manual &Vn- View Configuration Profiles – AT&Vn permits the user to check on the modem’s current configuration n=0 View active profile & user profile 0 n=1 View active profile & user profile 1 &Wn- Store Active Profile – AT&Wn stores the current modem configuration in NVRAM.
- Page 9 DLM4100 User’s Manual \Kn- Break Control – AT\Kn determines how the modem will handle a break signal. Break received from host with reliable link n=0 Enter on-line command mode; do not transmit break n=1 Purge buffers, immediately transmit break n=2 Same as n=0...
- Page 10 DLM4100 User’s Manual +MS- Select Modulation – AT+MS sets the modulation and available data rates in the format shown below AT+MS= a, b, c, d, e, f <CR> a=Modulation type B103- Bell 103 (300 BPS) B212- Bell 212 (1200 BPS) V21- V.21(300 BPS)
- Page 11 DLM4100 User’s Manual S3 Carriage Return Character: S3 determines the ASCII character to serve as a carriage return to terminate commands and modem responses. Range: 0 to 127 Units: ASCII Character Default: 13 (carriage return) S4 line Feed Character: S4 sets the ASCII character to act as a line feed character in modem responses.
- Page 12 DLM4100 User’s Manual S10 Carrier Off Disconnect Delay: S10 selects how long carrier must be lost before the modem disconnects. Note: if S10 is smaller than the value of S9, the modem will not automatically disconnect on loss of carrier.
- Page 13 DLM4100 User’s Manual S21 General Bit-Mapped Options: S21 reflects the state of several “AT” commands. Bit 0-2 Not used Bit 3-4 0=DTR ignored (&D0) 1=Enter command mode on DTR off (&D1) 2=Disconnect on DTR off (&D2) 3=Reset on DTR off (&D3) Bit 5 0=DCD always active (&C0)
- Page 14 DLM4100 User’s Manual S24 Sleep Mode Timer: S24 sets the length of time in seconds that the modem must be idle before entering the low power, sleep mode. When S24 is set to 0, sleep mode is disabled. Range:0 to 255...
- Page 15 DLM4100 User’s Manual S33 XOFF Character: S33 determines the ASCII character to be recognized as XOFF for in-band flow control. Range: 0 to 255 Units: ASCII Character Default: 19 (DC3) S36 LAPM Failure: S36 instructs the modem what to do if the error control negotiations fail.
- Page 16 DLM4100 User’s Manual S41 General Bit-Mapped Options: S41 stores the condition of various “AT” commands. Bit 0-1 0=No data compression (AT%C0) 1=MNP5 data compression (AT&C1) 2=V.42bis data compression (AT&C2) 3=Either MNP5 or V.42bis data compression (AT&C3) 0=No fall back/forward (AT%E0)
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Page 17: No Dial Tone
DLM4100 User’s Manual Result Code Digits Verbose Description Successfully executed command line CONNECT 300 BPS connection RING Ring signal detected NO CARRIER Carrier not detected/lost ERROR Error in command line CONNECT 1200 1200 BPS connection NO DIAL TONE No dial tone detected... - Page 18 DLM4100 User’s Manual +MRR: 28800 28800 BPS carrier received CONNECT 16800 16800 BPS connection CONNECT 216000 21600 BPS connection CONNECT 24000 24000 BPS connection CONNECT 26400 26400 BPS connection CONNECT 28800 28800 BPS connection +DR: ALT MNP5 data compression +DR: V42B V.42bis data compression...
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Page 19: Technical Support
Return Material Authorization If a part needs to be sent to the factory for repair, contact Data-Linc Group’s corporate office and request a Return Material Authorization (RMA) number. The RMA number identifies the part and the owner and must be included with the part when shipped to the factory.