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DATA-LINC GROUP

21

DLM4500 User Guide

PN 161-10008-001A

rev 4/04

X

n Result Code Selection

Values: 

n = 0–7

Default: 4
Description: X0 Basic result codes (

e.g., CONNECT); does not look for dial tone or busy signal.

X1 Extended result codes (

e.g., CONNECT 46000 V42bis); does not look for dial tone or busy signal.

X2 Extended result codes with 

NO DIALTONE; does not look for busy signal.

X3 Extended result codes with 

BUSY; does not look for dial tone.

X4 Extended result codes with 

NO DIALTONE and BUSY.

X5 Extended result codes with 

NO DIALTONE and BUSY.

X6 Extended result codes with 

NO DIALTONE and BUSY.

X7 Basic result codes with 

NO DIALTONE and BUSY.

Z

n Modem Reset

Values: 

n = 0 or 1

Default: None
Description: Z0 Reset modem to profile saved by the last 

&W command.

Z1 Same as 

Z0.

&C

n Data Carrier Detect (DCD) Control

Values: 

n = 0 or 1

Default: 1
Description: &C0 Forces the DCD circuit to be always high.
&C1 DCD goes high when the remote modem’s carrier signal is detected, and goes low when the carrier signal is not
detected.

&D

n Data Terminal Ready (DTR) Control

Values: 

n = 0, 1, 2, or 3

Default: 2
Description: &D0 Modem ignores the true status of the DTR signal and responds as if it is always on.
&D1 If DTR drops while in online data mode, the modem enters command mode, issues an 

OK, and remains connected.

&D2 If DTR drops while in online data mode, the modem hangs up. If the signal is not present, the modem will not answer
or dial.
&D3 If DTR drops, the modem hangs up and re

sets as if an 

ATZ 

command were 

issued.

&E

n XON/XOFF Pass-Through

Values: 6, 7
Default: 6
Description: &E6 Modem responds to XON/XOFF characters, but does not allow XON/XOFF characters to pass through to
remote sites.
&E7 Modem responds to XON/XOFF characters and allows them to pass through to remote site.

&F

n Load Factory Settings

Values: 

n = 0

Default: None
Description: &F0 Load factory settings as active configuration.

Note: See also the 

command.

Summary of Contents for DLM4500

Page 1: ...R GUIDE I NDUSTRIAL D ATA C OMMUNICATIONS It is essential that all instructions contained in the User Guide are followed precisely to ensure proper operation of equipment Dial Up Leased Line Modem DLM4500 ...

Page 2: ... 815 503 5 812 534 5 809 068 5 790 532 5 764 628 5 764 627 5 754 589 D394 250 5 724 356 5 673 268 5 673 257 5 644 594 5 628 030 5 619 508 5 617 423 5 600 649 5 592 586 5 577 041 5 574 725 D374 222 5 559 793 5 546 448 5 546 395 5 535 204 5 500 859 5 471 470 5 463 616 5 453 986 5 452 289 5 450 425 D361 764 D355 658 D355 653 D353 598 D353 144 5 355 365 5 309 562 5 301 274 Other Patents Pending ...

Page 3: ...Points and LED Descriptions 4 Equipment Connections and Interface Descriptions 5 Quick Start 7 Quick Configuration 10 Technical Specifications 12 Technical Support 14 Return MaterialAuthorization 14 Contact Information 14 AppendixA Enclosure Dimensions 15 Appendix B Complete AT Commands 16 Complete S Registers 27 ...

Page 4: ...DATA LINC GROUP 2 PN 161 10008 001A rev 4 04 DLM4500 User Guide T h i s P a g e i s I n t e n t i o n a l l y L e f t B l a n k ...

Page 5: ...via the 9 pin port while the modem is in Command Mode Factory default is set at 9600 baud All normal configurations are performed using the RS232 connection on the front panel even if the units are a AE 485 or AE 422 model A complete list of AT commands are in appendix A Note that all AT command character strings must end with a carriage return character Enter key ctrl M 0xd hex Systems Examples D...

Page 6: ... Request to send pin 8 CTS Clear to send pin 9 N C Push Button Switch Modem Reset LedArray O Green data out line in I Yellow data in line out C Amber line carrier detect P Red DC power 2 Position Terminal Block DC Power In note the polarity and Figure 2 Rear Panel Connections AE 485 and AE 422 when option is installed AE 485 AE 422 1 N C 1 DO Data Out 2 I O Data in out 2 DO Data Out 3 I O Data in ...

Page 7: ...r reversed polarity Data Linc Group AE 422 usually connects the to an A contact and connects the wire to a B contact Now send some data characters out of the connected equipment The Data In LED should flash If it does not check that the Data OUT from your equipment is connected to the Data IN on the rear of the DLM4500 If the DLM4500 In LED flashes then connect the DLM4500 Data Out wire pair to th...

Page 8: ...no LED s blink then some things that could be wrong Note at high baud rates the blinking may be very fast or faint a The modem is not connected to the equipment Check the cables b DC power is missing or wired backwards Check power supply c The equipment you are using is set for the wrong communications port Match the programs port settings to the computers physical port number that the cable is pl...

Page 9: ...n the power connector b DC power is wired backwards Check the source voltage with a voltmeter 5 Reset the modem by pressing the Reset button on the front of the unit This resets the modem and returns the AT command set to last stored values in NVRAM The modem is ready to accept setup commands 6 Connect the computer to the DLM4500 with a straight through 9 pin cable DO NOT CONNECT THE PHONE LINE YE...

Page 10: ...it for OK Then type ATH enter to hang up an existing call Unit will respond with OK End Dial Up Quick Start and Testing Leased Line Quick Start and Testing The following setup procedure is for a DLM4500 in Leased Line mode It assumes that two phone jacks of leased line or phone cord wire is available for testing 1 Unpack the modem s 2 Verify that you have all of the parts and cables to power and c...

Page 11: ...conds The carrier LED on both modems should light 10 Leaving the PC computer connected to either of the modems connect a wire jumper bent paper clip between pins 2 and 3 of the other non PC connected DLM4500 11 Type characters on the PC keyboard while running the terminal program The characters must echo back on the display exactly as typed 12 Remove the 2 3 pins jumper and the phone cord connecti...

Page 12: ...E0 LB 3 W0 Enter Responds OK C Baud Rate If this modem is to be forced to connect and communicate at a fixed baud rate the following command will need to be entered If an auto connect baud rate sequence is used between modems then skip this section and go to step D Note The most industrial equipment are operated at pre selected fixed baud rates These AT commands are used to force the modem to conn...

Page 13: ...m designs This manual does not try to cover each and every possible combination If you are trying to use the DLM4500 in a particular mode and you can not decide what commands to use from Appendix A then please contact Data Linc Group Technical services for assistance Contact infromation is on page 14 0 F s t l u a f e d s t e s p i h c o t m e d o m t e s e R 0 D R T D s e r o n g I 0 K l o r t n ...

Page 14: ...i r r a C d e R r e w o P r o t a c i d n I o i d u A g n i r o t i n o M n o i t c e n n o C r o f t l i u c r i C o i d u A d e d d e b m E e g a t l o V t u p n I e l b a l i a v A e g n a R r e d i W C D V 8 1 9 n o i t p m u s n o C r e w o P s t t a w 0 3 x a M e c a f r e t n I e n o h p e l e T 1 1 J R t c e t e D e g a t l o V g n i R S M R 0 5 1 o t 8 3 d e t c e t e D y c n e u q e r F ...

Page 15: ...t n e i l C 0 0 8 6 1 0 0 2 9 1 0 0 6 1 2 0 0 0 4 2 0 0 4 6 2 0 0 8 8 2 0 0 2 1 3 0 0 6 3 3 s p b 0 0 3 0 0 0 2 1 0 0 4 2 0 0 8 4 0 0 2 7 0 0 6 9 0 0 0 2 1 0 0 4 4 1 t h g i e W g k 6 7 b l 8 6 1 n o i s n e m i D e r u s o l c n E s e g n a l f g n i t n u o m r e v o m c 4 9 3 x 5 4 2 1 x 6 8 2 2 4 5 1 x 9 4 x 0 9 l a i r e t a M e r u s o l c n E l e e t s e g u a g 8 1 n o i t a r t s i g e R ...

Page 16: ... workmanship for one year from date of shipment to original user Data Linc Group will replace or repair at our option any part found to be defective Buyer must return any part claimed defective to Data Linc Group transportation prepaid 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 Authoriz...

Page 17: ...imensions 2 45 in 6 22 cm Reference 9 00 in 22 86 cm 4 90 in 12 45 cm 2 75 in 6 99 cm Slot Center Reference 1 08 in 2 74 cm 4 Places Ø 0 25 in 64 cm Two Places 1 00 in 2 54 cm 4 Places 8 30 in Center Reference 1 54 in 3 94 cm 0 06 in 15 cm 7 75 in 19 69 cm 0 35 in 89 cm 4 Places 21 08 cm ...

Page 18: ...ands automatically Fortunately communications programs make daily operation of modems effortless by hiding the commands from the user Most users therefore need to use AT commands only when reconfiguring the modem e g to turn auto answer on or off The format for entering an AT command is ATXn where X is the command and n is the specific value for the command sometimes called the command parameter T...

Page 19: ... Default none Description Dial telephone number s where s may up to 40 characters long and include the 0 9 space B C and D characters and the L P T V W S comma semicolon and dial string modifiers Dial string modifiers L Redial last number Must be placed immediately after ATD P Pulse dial following numbers in command T Tone dial following numbers in command default V Switch to speakerphone mode and...

Page 20: ...play ROM checksum e g 12AB I2 Check ROM and verify the checksum displaying OK or ERROR I3 Display default speed and controller firmware version I4 Display firmware version for data pump e g 94 I5 Display the board ID software version hardware version and country ID I9 Display the country code e g NA Ver 1 I11 Display diagnostic information for the last modem connection such as DSP and firmware ver...

Page 21: ...fault None Description Set value of register Sr to value of n where n is entered in decimal format E g S0 1 Sr Read Register Value Values r S register number Default None Description Read value of register Sr and display it in 3 digit decimal form E g S2 gives the response 043 T Tone Dialing Values P T Default T Description Configures the modem for DTMF touch tone dialing Dialed digits are tone di...

Page 22: ... always high C1 DCD goes high when the remote modem s carrier signal is detected and goes low when the carrier signal is not detected Dn Data Terminal Ready DTR Control Values n 0 1 2 or 3 Default 2 Description D0 Modem ignores the true status of the DTR signal and responds as if it is always on D1 If DTR drops while in online data mode the modem enters command mode issues an OK and remains connec...

Page 23: ... Forces the DCD circuit to be always high C1 DCD goes high when the remote modem s carrier signal is detected and goes low when the carrier signal is not detected Dn Data Terminal Ready DTR Control Values n 0 1 2 or 3 Default 2 Description D0 Modem ignores the true status of the DTR signal and responds as if it is always on D1 If DTR drops while in online data mode the modem enters command mode is...

Page 24: ...eak ratio P1 67 33 make to break ratio P2 20 pulses per second Note The P2 command is available only if the country code is set to Japan Qn Asynchronous Communications Mode Values n 0 5 6 8 or 9 Default 5 Description Q0 Asynchronous with data buffering Same as N0 Q5 Error control with data buffering Same as N3 Q6 Asynchronous with data buffering Same as N0 Q8 MNP error control mode If MNP error co...

Page 25: ...nt Settings Values n a Description Displays the active modem settings Wn Store Current Configuration Values n 0 Default 0 Description W0 Stores current modem settings in non volatile memory and causes them to be loaded at power on or following the ATZ command instead of the factory defaults See also the F command W1 Clears user default settings from non volatile memory and causes the factory defau...

Page 26: ...e modem receives a Bn command from the computer K0 Clear data buffers and send break to the remote modem K1 Same as K0 K2 Send break immediately to the remote modem K3 Same as K2 K4 Send break to the remote modem in sequence with the transmitted data K5 Same as K4 Nn Error Correction Mode Selection Values n 0 5 or 7 Default 3 Description N0 Non error correction mode with data buffering buffer mode...

Page 27: ... allow remote data fax voice discrimination B View Numbers in Blacklist Values n a Description If blacklisting is in effect AT B displays the numbers for which the last call attempted in the previous two hours failed In countries that do not require blacklisting the ERROR result code appears Cn Data Compression Control Values n 0 or 1 Default 1 Description C0 Disable V 42bis MNP 5 data compression...

Page 28: ...rt SB1200 Selects 1200 bps at serial port SB2400 Selects 2400 bps at serial port SB4800 Selects 4800 bps at serial port SB9600 Selects 9600 bps at serial port SB19200 Selects 19 200 bps at serial port SB38400 Selects 38 400 bps at serial port SB57600 Selects 57 600 bps at serial port SB115200 Selects 115 200 bps at serial port SB230400 Selects 230 400 bps at serial port Sx Enter Setup Password Val...

Page 29: ...em waits after it goes off hook before it begins to dial the telephone number S7 seconds 1 255 50 Sets the time the modem waits for a carrier signal before aborting a call Also sets the wait for silence time for the dial modifier S8 seconds 0 65 2 Sets the length of a pause caused by a comma character in a dialing command S9 decimal 0 1 127 37 Sets ASCII code for remote configuration escape charac...

Page 30: ...stream data rate where V 90 provides rates of 28 000 to 56 000 bps in increments of 1 333 bps 0 V 90 disabled 1 V 90 autorate 2 28 000 bps 3 29 333 bps 4 30 666 bps 5 32 000 bps 6 33 333 bps 7 34 666 bps 8 36 000 bps 9 37 333 bps 10 38 666 bps 11 40 000 bps 12 41 333 bps 13 42 666 bps 14 44 000 bps 15 45 333 bps 16 46 666 bps 17 48 000 bps 18 49 333 bps 19 50 666 bps 20 52 000 bps 21 53 333 bps 22...

Page 31: ...y mode sleep mode or low power mode is controlled by S89 It programs the number of seconds of inactivity before the modem will go to sleep The default value is 60 A value of 0 disables standby mode The modem will wake on an incoming ring or an AT command S108 decimal 0 3 6 7 6 Selects the 56K digital loss if using the modem through a PBX line The default value is 6 dB loss the value used when call...

Page 32: ... number is blacklisted 90 BLACKLIST FULL Blacklist is full 100 CONNECT 28000 Connected at 28000 bps V 90 rate X 101 CONNECT 29333 Connected at 29333 bps V 90 rate X 102 CONNECT 30666 Connected at 30666 bps V 90 rate X 103 CONNECT 33333 Connected at 33333 bps V 90 rate X 104 CONNECT 34666 Connected at 34666 bps V 90 rate X 105 CONNECT 37333 Connected at 37333 bps V 90 rate X 106 CONNECT 38666 Conne...

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