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42

MT2834BLR Owner’s Manual

4.1.1 Callback Security Commands

COMMAND:

#DBn

VALUES:

n= 0, 1, or  2

DEFAULT:

DB0

DESCRIPTION:

#DB0 disables Callback Security and answering Yes to the prompt
turns off Callback Security and erases stored phone numbers and
passwords.  Answering No to the prompt aborts the command.
 #DB1 activates remote and local password security.
 #DB2 activates remote password security.

COMMAND:

#CBNyyxxxxxx

VALUES:

n/a

DEFAULT:

n/a

DESCRIPTION:

Callback password with xxxxxx being callback password
and yy being the memory location.  Callback password xxxxxx must
start with a non-numeric character and upper/lower case sensitive.
Callback password xxxxxx must be a minimum of 6 and maximum of
10 characters.  yy memory locations are from 0 to 29.  Must T (tone)
dialing in string.

COMMAND:

+ - Dxxxxxx???Nxx

VALUES:

n/a

DEFAULT:

n/a

DESCRIPTION:

Callback Phone Numbers xxxxxx with the + preceding the phone
number indicating the  callback modem phone number

for the

corresponding password at the same memory location.  The (-)
preceding the phone number enables direct entry when the caller
uses the correct password without the callback modem having to
return the call.  The ??? entry at the end of the phone number
represents an extension added to the main phone number.  The Nxx
is the memory location of the callback phone number and password.

COMMAND:

#Pn

VALUES:

n= 0, 1, or 2

DEFAULT:

#P0

DESCRIPTION:

Parity of the prompt messages sent by the callback modem.
#P0 is no parity
#P1 is odd parity
#P2 is even parity

COMMAND:

#RCBNxx

VALUES:

n/a

DEFAULT:

n/a

DESCRIPTION:

Erases the callback password stored at memory location xx.
Memory locations are 0 to 29.

COMMAND:

#RDNxx

VALUES:

n/a

DEFAULT:

n/a

DESCRIPTION:

Erases the callback phone number stored at memory location xx.
Memory locations are 0 to 29.

Summary of Contents for CC1600 Series

Page 1: ...CC1600 Series MT2834BLR Intelligent Data Fax Modem Owner s Manual...

Page 2: ...isions or changes Record of Revisions F 6 25 99 Manual reformatted for electronic distribution All pages at Revision F Trademarks of Multi Tech Systems Inc are as follows MultiModemII Multi Tech and t...

Page 3: ...3 2 Loading Trio DataFAX Software 20 3 3 Is Your Modem Ready for Use 23 3 4 Modem Basics 23 3 5 Serial Port Limitations 23 3 5 1 How Can You Identify Your UART Type 24 3 5 2 The 16550 UART and Windows...

Page 4: ...nchronous Mode 56 5 8 Digital Loopback Test Local Manual Synchronous Mode 57 5 8 Digital Loopback Test Remote Automatic Synchronous Mode 58 Chapter 6 Warranty Service and Tech Support 6 1 Introduction...

Page 5: ...CC1600 Series Chapter 1 Introduction and Description...

Page 6: ...st efficient data compression possible for each connection The MT2834BLR is designed for data rates as high as 33 600 bps in full duplex mode over public telephone lines MT2834BLR features include Sup...

Page 7: ...ing up initialization strings changing default parameters configuring software for the remote system and file transfer protocols Chapter 4 covers modem AT commands Remote Configuration commands S Regi...

Page 8: ...8 MT2834BLR Owner s Manual...

Page 9: ...CC1600 Series Chapter 2 Installation and Connection...

Page 10: ...phone lines plug one end of the RJ 11 cable that is provided with the modem into the DB 9 9 pin connector located on the back plane of the modem rack and the other end into the phone company provided...

Page 11: ...RJ11W modular phone jack To connect the modem to the phone lines using an CC1600 modem rack plug one end of the RJ11 cable provided with the modem into the rack s RJ11 connector located on the back pl...

Page 12: ...and TEST OOS berg jumper The sixteen DIP Switches and two berg jumpers control various modem options or set default values for the MT2834BLR s Command mode There is a difference in how several of the...

Page 13: ...interface Down DTR forced On at all times 2 UP Hardware Flow Control Down Xon Xoff Flow Control 3 UP 15 dB Transmission leased line Down 9 dB Transmission leased line 4 UP UUCP Spoofing Off Down UUCP...

Page 14: ...Digital Loopback On Down Remote Digital Loopback On 10 UP Dial Up Operation Down Leased Line Operation 11 UP External Clock selected Down Internal Clock selected 12 UP Synchronous Mode On Down Asynchr...

Page 15: ...the Busy modem 2 5 1 Out of Service Test Jumper When the MT2834BLR is Out Of Service OOS it is busy to incoming calls In the Test default setting the modem drives pin 25 high when the modem is in Test...

Page 16: ...nal block with a pair of screws Some provide a conventional RJ 11 type of connector If the RJ 11 connector is used you can use the same cable that you use for dial up connection If the screw terminal...

Page 17: ...when the modem is dialing on line or answering a call The LED also flashes when the modem is pulse dialing in the Command Mode 8 Data Terminal Ready DTR When the DTR LED is lit the modem is permitted...

Page 18: ...18 MT2834BLR Owner s Manual...

Page 19: ...CC1600 Series Chapter 3 Communications Software and Modem Basics...

Page 20: ...tructions for those elements that are not covered in this procedure If you encounter problems during installation refer to the Release Notes included on the Trio CD 1 Turn on your computer and insert...

Page 21: ...are finished You are prompted to read important information 9 Click Yes to read the Release Notes when you are finished close the release notes dialog and the Trio Setup dialog is displayed 10 Click...

Page 22: ...screen instructions and when you are finished click Next Dialog The following dialog is displayed 17 Click OK Exit the Installation Program The Trio Applications program group is displayed Your Trio...

Page 23: ...he data fast enough to keep from losing some of it The 16550AFN however can safely handle data to 115 200 bps When a modem communicates with V 42bis 4 to 1 compression enabled it sends up to four time...

Page 24: ...6450 UARTs can store data in a one byte first in first out FIFO buffer a memory area in the UART in which the first bit in is the first out but once the buffer is full the data is lost The 16550 has a...

Page 25: ...is the modem initialization string This is a sequence of commands the software uses to configure the modem when the communications software is loaded or when a session begins Always begin the initial...

Page 26: ...wer after the first ring and try to communicate with a modem on the other end of the line If you have one telephone line for voice fax and modem communications the modem may attempt to answer all inco...

Page 27: ...and pacing and ignore DTR AT F X4 E5 E13 D0 M For hardware flow control use the following initialization string AT F X4 E13 D0 M Add S0 0 to both strings to disable auto answer if the modem is on a vo...

Page 28: ...or successful communications Though the modem can automatically match the speed of the other modem you must specify parameters such as type of flow control break length number of data bits number of s...

Page 29: ...is more efficient than hardware compression you will have a higher throughput with the former Of course this efficiency does not include the time spent compressing and decompressing ZIP or SIT files...

Page 30: ...whether your modem is operational If everything s fine your modem will respond OK Note refer to Chapter 4 for additional details on Dialing Automatic Answering Dial Back Up and Automatic Leased Line R...

Page 31: ...CC1600 Series Chapter 4 Modem AT Commands...

Page 32: ...RETURN key executes most commands COMMAND A VALUES n a DEFAULT n a DESCRIPTION Answer call even if no ring present COMMAND VALUES n a DEFAULT n a DESCRIPTION This symbol placed in dialing string enabl...

Page 33: ...Not used in International Models COMMAND Bn VALUES n 0 or 1 DEFAULT B0 DESCRIPTION B0 selects normal transmit buffer size B1 selects reduced transmit buffer size COMMAND BSn VALUES n 0 or 1 DEFAULT B...

Page 34: ...set to modem default parameters COMMAND Dn VALUES n 0 or 1 DEFAULT D0 DESCRIPTION D0 disables DTR Dialing D1 enables DTR Dialing COMMAND DF VALUES n 0 or 1 DEFAULT DF0 DESCRIPTION DF0 selects V 34 Lin...

Page 35: ...led E15 selects data compression enabled COMMAND En VALUES n 0 thru 5 DEFAULT E1 DESCRIPTION E0 Modem Won t Escape E1 Method default setting E2 Break Method E3 Either or Break Method E4 No OK Response...

Page 36: ...requests firmware revision 12 for MTS internal use COMMAND I9 VALUES N A DEFAULT Read Only Command DESCRIPTION The I9 command is a query to display this modem s characteristics when operating within...

Page 37: ...B4800 selects 4800 bps on line MB9600 selects 9600 bps on line MB14400 selects 14400 bps on line MB19200 selects 19200 bps on line MB28800 selects 28800 bps on line MB33600 selects 33600 bps on line C...

Page 38: ...N R0 means modem will not reverse modes R1 means modem will reverse modes COMMAND Rn VALUES n 0 1 or 2 DEFAULT R1 DESCRIPTION R0 lets Clear to Send act normally R1 forces Clear to Send on R2 drops for...

Page 39: ...SB57600 selects 57600 bps at serial port SB115200 selects 115200 bps at serial port COMMAND SPn VALUES n 0 or 1 DEFAULT SP0 DESCRIPTION SP0 disables UUCP spoofing SP1enables UUCP spoofing COMMAND SFn...

Page 40: ...an bypass V 32terbo handshaking process V0 means V 32terbo enabled in originate answer mode V1 means V 32terbo disabled in originate answer mode COMMAND W VALUES n a DEFAULT n a DESCRIPTION Wait for n...

Page 41: ...on VALUES n a DEFAULT n a DESCRIPTION Causes return to Command Mode after dialing COMMAND Exclamation VALUES n a DEFAULT n a DESCRIPTION Causes modem to flash On Hook COMMAND VALUES n a DEFAULT n a DE...

Page 42: ...AND Dxxxxxx Nxx VALUES n a DEFAULT n a DESCRIPTION Callback Phone Numbers xxxxxx with the preceding the phone number indicating the callback modem phone number for the corresponding password at the sa...

Page 43: ...r is checked against the Delayed and Forbidden Number lists before dialed COMMAND CSPs VALUES n a DEFAULT n a DESCRIPTION The CSP command will change the serial baud rate of your modem by entering CSP...

Page 44: ...to zero Remote Configuration is disabled 4 1 4 Remote Configuration Procedures The procedures for using the Remote Configuration features are the same whether or not a call originates from the remote...

Page 45: ...llowed by the S Register number and an equals sign and then a decimal response to the message ENTER THE NEW VALUE IN DECIMAL FORMAT To read an S Register value enter the letter S followed by the S Reg...

Page 46: ...delay time S8 Pause Time for Comma Unit 1 second Range 0 255 4 255 Default 2 4 Description Sets the length of the pause caused by a comma inserted in a dialing command S9 Carrier Detect Response Time...

Page 47: ...the break time space to local PC S18 Automatic Leased Line Restoral Unit 30 minutes Range 10 255 Default 30 minutes Description S18 periodically checks the lease line to see if it s operational and r...

Page 48: ...ASCII Character Range 0 60 Default 10 Description Sets buffer length of command mode after on line escape sequence S36 Time Between DTR Inactive and Modem Off Hook Unit 1 Second Range 0 255 seconds De...

Page 49: ...s 10 The following tables list result codes generated by the Q command Table 4 2 Q0 Multi Tech Result Codes TERSE VERBOSE 0 OK 1 CONNECT 2 RING 3 NO CARRIER 4 ERROR 5 CONNECT 1200 6 NO DIALTONE 7 BUSY...

Page 50: ...U T AT T or Bell and not proprietary The W command used in conjunction with specific other AT commands and S Registers can reconfigure the MT2834BLR to conform to a specific application The MT2834BLR...

Page 51: ...CC1600 Series Chapter 5 Modem Testing...

Page 52: ...e modem s transmitter and receiver circuits are functioning properly The Digital Loopback Test local manual allows you to verify that the remote computer or terminal the remote modem serial ports the...

Page 53: ...t message if responses are enabled enter data from your keyboard For this test typing multiple upper case U characters is a good way to send an alternating test pattern of ones and zeros 4 For a more...

Page 54: ...e AT and hit ENTER you should get an OK message 2 Dial the remote modem by entering the Dial command and the phone number to establish On line mode 3 Type the Escape Sequence AT CR or BREAK AT CR whic...

Page 55: ...al the remote modem by entering the Dial command and the phone number to establish On line mode Note The T4 command must be set on the remote modem to run this test Computer or Terminal Local MultiMod...

Page 56: ...onous mode You then compare the test characters multiple upper case U characters in Figure 8 5 on your monitor with the characters you typed If the characters don t match check your computer s COM por...

Page 57: ...ke certain that you are set up for Synchronous operation by placing DIP Switch 12 in the UP position To initiate the Digital Loopback Test local manual DIP Switch 9 must be in the UP position and the...

Page 58: ...modems If that test is successful the problem may be the phone lines First make certain that you are set up for Synchronous operation by placing DIP Switch 12 in the UP position To initiate the Digit...

Page 59: ...CC1600 Series Chapter 6 Warranty Service and Tech Support...

Page 60: ...EXPRESSED OR IMPLIED AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty does not apply to any products which have been damaged by li...

Page 61: ...ing Modem Information Please fill in the following information on your Multi Tech modem This will help tech support in answering your questions Modem Model No Modem Serial No Modem Firmware Version CO...

Page 62: ...urchase order number for payment if the modem is out of warranty The standard repair charge for this modem is 95 This price is valid at the time of this publication but could change in the future Chec...

Page 63: ...tion 5 Select a file transfer protocol by typing the indicated letter such as Z for Zmodem the recommended protocol 6 If you select Zmodem the transfer will begin automatically If you select another p...

Page 64: ...Highlight the HEX file Hit ESC when finished 6 Highlight Program Firmware option in the MAIN MENU When you are prompted to confirm the file to program press Y 7 If you need more assistance programmin...

Page 65: ...CC1600 Series Appendices...

Page 66: ...d indication Automatic storage of last number dialed Tone detection busy Auto clear from the originating end DTR dialing Modem PBX timed break register recall European Low Voltage Directive When corre...

Page 67: ...If a telephone or other device is connected in parallel with the modem the combined REN must not exceed 4 A BT supplied telephone may be assumed to have REN of 1 0 unless otherwise noted The approval...

Page 68: ...time the modem goes off hook until dialing begins e For correct operation of the call progress monitor the power has to be properly connected and switched on Compliance with BS6328 Part 1 a The modem...

Page 69: ...practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary 5 The telephone com...

Page 70: ...of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not at...

Page 71: ...l duplex over both dial up lines and 2 wire or 4 wire leased lines automatic or manual dialing automatic answer Lease Line Restoral When in dial back up mode modem attempts leased line restoral period...

Page 72: ...00 Hz Mark 2100 Hz Space for Receive Originate 390 Hz Mark 450 Hz Space forReceive Answer Transmit Level 10dBm dial up 9 dBm leased line dBm level selectable with DIP Switch 3 in leased line setting F...

Page 73: ...Dialing On Line Answering 23 Digital Loopback Test 52 Dimensions 72 DIP Switches and Jumper Settings 11 DIP Switch options 13 DIP Switch Settings 10 DSR follows CD 39 DTR Control 34 DTR Dialing 34 DT...

Page 74: ...of band Escape Sequence 41 P Pacing 27 Parameters 25 26 28 Changing defaults 26 Defaults 26 Parity 25 Parity selection 42 pause during dialing 41 S25 47 DTR signal 27 E Enq Ack pacing 35 Erase callba...

Page 75: ...S3 26 SCC 23 Serial Cable 10 Serial cable 27 Serial port 23 24 28 29 serial port commands 39 Sessions 25 Set up Password 45 Sets value of Register 38 Signal Strength Information 36 Signal to Noise Rat...

Page 76: ...76 MultiModemBL Owner s Manual Z ZIP files 29...

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