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Telephone Access Unit

T-311

Product Manual

40-400-00045, Rev.

Summary of Contents for T-311

Page 1: ...Telephone Access Unit T 311 Product Manual 40 400 00045 Rev B ...

Page 2: ... a registered trademark of Teltone Corporation Windows is a registered trademark of Microsoft Corporation Other company and product names may be trademarks or registered trademarks of their respective owners Teltone Corporation Bothell Washington USA Customer Service 425 951 3388 Technical Support 425 951 3390 Fax 425 487 2288 Email info teltone com Website www teltone com ...

Page 3: ...on 8 Accessories 8 Installation 8 Figure 3 System Connections 9 Table 2 T 311 RS 232 C Interface 10 Figure 4 Remote Connector Cable and Pin Functions 11 Figure 5 Universal Mounting Bracket Optional 12 Figure 6 Universal Mounting Shelf Optional 12 Chapter 4 Dialing Instructions 13 How to Dial 13 Sending DTMF Digits 13 Chapter 5 Answering Calls 15 Ringing Detection 15 Auto Answer 15 Security Checkin...

Page 4: ... Saving a Configuration 41 S Register Queries and Commands 41 Table 7 Configuration Options 42 Table 8 Default Configuration by Parameter 42 Table 9 Default Configuration by Code 43 RS 232 C Communications Link 43 Table 10 DTMF ASCII DTMF Translation 44 Appendix A Service Information 46 Ordering Information 46 Warranty 46 Troubleshooting 47 Return for Repair Procedure 47 Appendix B Specifications ...

Page 5: ...stration was performed based on a Declaration of Conformity indicating that Industry Canada technical specifications were met It does not imply that Industry Canada approved the equipment Industry Canada does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to connect it to the facilities of the local te...

Page 6: ...g or removing covers may expose you to dangerous voltages or other risks Incorrect reassembly can cause electric shock when the appliance is subsequently used 5 If the product does not operate normally by following the operating instructions or if the product has been dropped or the cabinet has been damaged or if the product exhibits a distinct change in performance refer servicing to qualified se...

Page 7: ...tion must give their consent to the recording of the conversation and the prior consent must be obtained in writing or be part of and obtained at the start of the re cording or All parties to the telephone conversation must be verbally notified at the beginning of the conversation and the notification must be recorded as part of the call by the recording party or A distinctive recorder tone repeat...

Page 8: ...This page intentionally left blank T 311 Page vi ...

Page 9: ...ing messages to the computer When used in conjunction with contact management software the T 311 is a powerful automatic di aler Working with the records from the software database it speeds call completion by detecting busy reorder tone and immediately moving to the next number The result is increased talk time thereby improving the efficiency of calling agents Using This Manual This manual is in...

Page 10: ...T 311 Page 2 Figure 1 T 311 Telephone Access Unit ...

Page 11: ...y sends the FSK signals Caller ID after the first ring and be fore the second ring Caller ID information in single message format and multiple message format are decoded and converted to ASCII characters to be transmitted via the RS232C port Visual Message Waiting Indication signals are sent during on hook idle times These FSK messages are de coded and sent out via RS232C along with a visual indic...

Page 12: ... and Pulse Dialing To ensure the widest possible range of applications the T 311 works with both DTMF and rotary sig naling Dial Tone Detection The T 311 can detect both primary and secondary dial tones In the autodialing mode the T 311 can be programmed to delay dialing until it detects secondary dial tone Call Progress By detecting and analyzing standard call progress tones e g reorder busy and ...

Page 13: ...is is the most sophisticated application for the T 311 particularly when incorporation of the proper applications software and an audio source allow the T 311 to operate without human supervision Fig ure 2 shows an equipment configuration for outgoing call applications Examples include 1 Telemarketing 2 Autodialing with software autodialing from a list of numbers 3 Automatic remote monitoring of e...

Page 14: ...e 1 Message forwarding systems 2 Financial transaction systems 3 Alarm systems 4 Energy management systems 5 Credit card verification systems 6 Mail order systems 7 Smal Business Inward Security The T 311 s security checking feature can be used for incoming call applications like Dialback security systems or Building security systems T 311 Page 6 ...

Page 15: ...oop current is lost the line is disconnected by the H command or no activity timeout occurs In the active mode the T 311 processes commands converts DTMF to ASCII and vice versa couples audio input onto the line monitors for loop current and maintains the no activity timer Active Mode Response to COD The T 311 responds to cut off on disconnect COD or forced disconnect by going on hook You can disa...

Page 16: ... control switch is used a cable is required to connect them to the T 311 Not supplied The cable should terminate on its T 311 end in a 1 2 inch diameter 5 pin DIN connector with pins at 180 degrees to the key and 3 plugs at the other end typical of small portable tape recorder cables The cable connections and pin functions for the remote interface are given in Figure 4 5 Wall Mounting Bracket Opti...

Page 17: ...Reference Manual Chapter 4 Dialing Instructions 40 400 00045 Rev B Page 9 Figure 3 System Connections ...

Page 18: ...cord information from the telephone line It may also be used to play back to the telephone line the output from a recorder or some other audio source This interface uses a 5 pin DIN connector with the pin assignments identified in Figure 4 See Chapter 7 for more information Step 6 Enable Computer T 311 Communications Configure the computer to communicate at 1200 baud using a ten bit word one start...

Page 19: ...in the back of the shelf and two in the front The shelf includes an eight outlet power strip with a 14 foot cord When you remove the shelf from the box rotate the fasteners on the front and remove the cover Untie the power cord and run it through the slots at the back of the shelf Insert the units in the shelf so that you can see the LEDs through the front of the shelf The space at the back of the...

Page 20: ...T 311 Page 12 Figure 5 Universal Mounting Bracket Optional Figure 6 Universal Mounting Shelf Optional ...

Page 21: ... Progress After dialing is complete the T 311 monitors the line for indications of call disposition If a no answer condition is detected the T 311 abandons the call and returns to the ready mode Oth erwise it remains in the active mode until disconnected To improve detection of call progress tones mute the headset microphone by adding L0 to the end of the dialing string e g ATDT4871515L0 The micro...

Page 22: ...is those entered while the line is off hook are processed in exactly the same manner as the initial D command except that the T 311 does not wait 2 seconds for dial tone Step 1 Send One or More D commands Once a call is established send DTMF digits or alphabetical characters as follows Send DTMF digits 1 through 0 A B C D or by issuing the command ATD n n CR Send alphabetical characters with the c...

Page 23: ...mail location Auto or Forced Answer If auto or forced answer occurs the T 311 enforces two seconds of line silence as a billing delay sig nals the caller with a burst of connection tone and transmits the message ANSWERED Auto Hang Up Incoming Calls After an incoming caller has hung up the T 311 waits for five seconds of dialtone four cycles of busy tone or reorder tone and hangs up to prepare for ...

Page 24: ...rd If no password is set and security checking is enabled no caller will be able to access the T 311 To set the password Issue the command AT Wn n CR The T 311 responds to a correct password entry with a single tone and an incorrect entry with three tones For more information on how the T 311 handles calls with passwords enabled see Chapter 6 Calling the T 311 Transferring Calls A T 311 operating ...

Page 25: ...en ringback tone is heard followed by a single burst of connection tone enter the assigned password n n where n n is the password Remember to terminate the code with a You have 4 seconds to enter each digit If the correct password is entered in the allotted time the T 311 responds with a burst of acknowl edgment tone see Table 3 and the connection is established If the password is incorrect or if ...

Page 26: ...riod see S10 on page 34 Cut off On Disconnect will occur if the T 311 detects an open circuit for at least 800 ms This feature is always enabled Dial Tone Reorder Busy Disconnect will occur after five seconds of dial tone or four cycles of busy or reorder tone is detected on an incoming call To program this feature see S14 Bit 6 on page 35 The default for this feature is enabled T 311 Page 18 ...

Page 27: ... and the Record but tons on the recording device No recording will take place until you establish a call and issue a begin recording command through the T 311 using either of the methods described in Steps 3 and 4 below Step 3 Delayed Recording Start Place a call through the T 311 by issuing a D command at the computer or through an applica tion program see Chapter 8 for more information on comman...

Page 28: ... command at the computer or through an applica tion program Or on an incoming call proceed to Step 4 Step 4 Start Playing Start playing the message at any time after the connection is established by issuing the command AT R2 CR Step 5 Stop Playing To stop the message without terminating the call issue the command AT R CR The recording will be stopped automatically when you use an H command to hang...

Page 29: ...words W Set password nnn R Remote equipment control F Fetch default W Write user configuration save configuration Z Store phone number 3 Status Commands I Display product information and version number A Display line status on off hook etc B Display S register status D DTR indicator D Display last Caller ID message E Erase last Caller ID message 4 Remote Equipment Control R or R0 Turn off both rem...

Page 30: ...with testing for loop current Default N Display the stored telephone number Q or Q0 Display messages M and V commands must also be set Default Q1 Display no messages V or V0 Return single digit result codes V1 Return standard AT word messages V2 Return two digit result codes V3 Return T 311 word messages Default X or X0 Enable only response codes 0 through 4 Dial tone and busy signal are not recog...

Page 31: ... follows DTR state F Fetch the default configuration and load it into RAM W Write the active configuration into EEPROM Znnn Store the telephone number nnn A Repeat the commands stored in the command buffer A Display line status B Display current T 311 status contents of all S registers C or C0 Disable password C1 Enable password D Display the last stored Caller ID message R or R0 Turn off both rem...

Page 32: ...repro gramming Register S3 See page 33 Command Descriptions A Manual Answer This command instructs the T 311 to answer an incoming call The T 311 can also be configured to answer calls automatically by setting a value other than 0 in the S0 register When the A command is issued the T 311 will answer the call without receiving a password even if a password is required for automatic answer A or A0 A...

Page 33: ...when dialing to telephone systems that generate no dial tone or voice to acknowledge that the call is connected Note If you enter parentheses and hyphens in the command the T 311 will ignore them W Wait for dial tone This command instructs the T 311 to wait for the time value set in Register S7 for a dial tone Wait for connection burst This command instructs the T 311 to wait for the time value se...

Page 34: ...is it is equivalent to picking up and replacing a telephone handset H or H0 On hook This command places the line on hook hangs up This command cancels either an H1 or an H2 Default H1 Off hook This command takes the line off hook H2 Off hook remote off This command takes the line off hook and closes the remote control relay H3 Hold This command puts the line on hold Note When Bit 7 of Register S 2...

Page 35: ...unction with the Q message display on off and V verbose mode com mands Note The T 311 M command serves a different function than the Hayes AT M command which operates the modem speaker M or M0 No messages No call progress messages are displayed M1 Messages without line verification Call progress messages are displayed until answer without line verification call progress M2 Messages with line verif...

Page 36: ...Tone 400 600 mS on time Reorder Tone 200 300 mS on time Ringback Tone 800 2600 mS on time Note The T 311 version of the X command has been extensively modified and expanded from the standard AT version X or X0 Codes 0 4 This command enables response codes 0 through 4 OK RING and ERROR as described in Table 6 Dial tone and busy signal are not recognized so the T 311 dials without waiting for dial t...

Page 37: ...e detected and reported Default XC All off This command disables all detectors EXAMPLES ATX CR enables OK RING and ERROR ATX5X7X8 CR toggles dial busy ringback and reorder tones SIT detectors and DTMF detectors to the other state ATXB CR enables all detectors ATXBX6 CR enables all detectors and toggles voice detector off ATXCX8 CR disables all detectors and toggles DTMF on The default state for X5...

Page 38: ... command writes the values in RAM that is the current contents of the S registers into EEPROM nonvolatile storage The next time the T 311 is reset the values stored in EEPROM will be loaded The stored number see Z command is not affected For example AT F W reads the factory configuration into RAM working memory and stores it in EEPROM Z Store telephone nNumber This command stores a telephone numbe...

Page 39: ...emote Control Switch and Audio Input OFF This command turns both remote control switch and audio input OFF Default R1 Turn Remote Control Switch ON and Audio Input OFF This command turns the remote control switch ON and audio input OFF to record from the phone line R2 Turn Remote Control Switch and Audio Input ON This command turns both remote control switch and audio input ON to play back to the ...

Page 40: ...ackspace 008 0 32 127 S6 Pause before dialing 2 seconds 0 255 S7 Call completion timeout 30 0 255 S8 Pause for comma in dial string 2 seconds 0 255 S10 Call disconnect timeout 0 disabled 1 127 S11 DTMF dialing rate 70 50 255 S13 RS 232 port data format 8 NA bit mapped S14 Option configuration 203 NA bit mapped S 0 Ringback tones before disconnect 0 0 255 S 2 Verification and display 67 NA bit mapp...

Page 41: ...equivalent of the ASCII character you want to use See Table 11 S5 Backspace Character This command contains the value of the backspace character which must be an ASCII control char acter The backspace command causes a backspace delete backspace to the DTE when command echo is enabled Valid range 0 32 and 127 Units ASCII Default 08 ASCII BS To change the value enter ATS5 xx CR where xx is the decim...

Page 42: ...r T 311 data Changes to this register are made by re mapping the bits as described in Appendix C Also see the appendix for information on reading the contents of this register The default data word format is an 8 bit data word with parity set to off ig nore parity The status of bit 4 Response to DTR affects the T 311 s recognition of other bits as follows When bit 4 is set to off and parity is on ...

Page 43: ...efault BIT 7 0 Answer Mode Status bit BIT 7 1 Originate Mode Status bit default To display the current contents of this register issue the command ATS14 CR The default re sponse is 203 see the appendix for more information To change to pulse dialing enter the command ATS14 235 or simply dial ATDPn n CR S 0 Ringback Tones Before Disconnect This register holds the number of ringbacks the T 311 is to...

Page 44: ...tgoing switchhook flash Valid range 3 11 Units hundreds of milliseconds Default 5 that is 500 ms S 4 Baud Rate This register holds the baud rate for the communication port Valid range 0 5 where 0 300 baud 1 600 baud 2 1200 baud 3 2400 baud 4 4800 baud 5 9600 baud Default 2 1200 baud To change both baud rate and parity the S 4 and S13 registers may be set within the same AT com mand For example to ...

Page 45: ...ff hook BIT 1 Line On Hold BIT 2 Ring Incoming BIT 3 Reserved BIT 4 Reserved BIT 5 Reserved Bit 6 Reserved Bit 7 Message Waiting Note 1 active 0 idle S 7 Headset Handset Status read only This register displays the current status of the headset interface See the appendix for information on reading the contents of this register Position Value Function BIT 0 0 Hook Status on off Hook BIT 1 0 Micropho...

Page 46: ...d Code X Commands Enabled Description Standard AT Commands 0 OK 0 1 2 3 4 Non dial command successful 2 Ring 0 1 2 3 4 Incoming ring 4 Error 0 1 2 3 4 Error in command line 6 No dial tone 2 4 No dial tone or second dial tone detected 7 Busy 3 4 Busy signal detected 8 No answer 3 4 No answer 9 Not used Command or S register not used in T 311 T 311 COMMANDS System Messages 00 OK All Non dial command...

Page 47: ...loop current All Loop current dropped unexpectedly 46 Line on hold All Line on hold 47 Line 1 selected All Line is set to current line 54 Line not available All Line already seized 60 All Reserved for future use 61 No activity All No activity timeout reached 62 Flash All Flash line 63 Flash failure All Loop current failed to flash 64 Phone off hook All Loop current appeared series phone off hook 6...

Page 48: ...received and decoded by the T 311 B 01 it will immediately be transmitted to the serial port if the following conditions are true 1 The CID VMW outputs are enabled via the ATXF command default enabled 2 The verbosity level is set to three default ATV3 3 There are no other serial messages being output If another message is being output e g RING the T 311 B 01 will wait until that message is complet...

Page 49: ...defined by S3 register default 0Dh Y line feed character as defined by S4 register default 0Ah Saving a Configuration When you have finished entering all your configuration changes issue the command to save the con figuration AT W CR If you want to restore the factory settings temporarily that is write them into RAM enter AT F CR To restore the factory settings permanently enter AT F W CR Your use...

Page 50: ...S10 S 0 ATS7 n ATS10 n ATS 0 n 30 sec 0 0 Store and autodial number Store number Dial stored number 33 characters Z S AT Z n n no number Messages Message display on off Q Q1 on Message format digit or verbose V V3 Message definitions which call progress is reported M M2 Call progress monitoring which call progress is detected X B all Table 8 lists the parameters and their default settings alphabet...

Page 51: ...ore dialing S6 2 2 seconds Call completion timeout S7 30 30 seconds Pause for comma in dial string S8 2 2 seconds Call disconnect timeout S10 0 Disabled DTMF dialing rate S11 70 70 mS Parity information S13 8 8 bit data word parity off Rings before disconnect S 0 0 Disabled Baud rate S 4 2 1200 baud Use the indicated AT command to change the parameter RS 232 C Communications Link The T 311 is link...

Page 52: ... 12345 is sent by the command ATD12345 CR where CR is normally carriage return A maximum of 40 characters may be sent if a large block of data is to be sent then multiple ATD commands must be issued If the DTMF receiver is enabled the DTMF digits sent will be echoed back to the computer This feature al lows the user to monitor when one block of data is complete and a new ATD command can be issued ...

Page 53: ...MF Signal to T 311 ASCII Character Output DTMF Signal from T 311 Code Dec Hex 42 2A 35 23 A A 65 41 A B B 66 42 B C C 67 43 C D D 68 44 D a 97 61 A b 98 62 B c 99 63 C d 100 64 D Reference Manual Chapter 10 Configuration 40 400 00045 Rev B Page 45 ...

Page 54: ...a power strip 742 00017 01 DB 9 male to DB 25 female RS232C Cable CA 7F 7 ft Modular Cord required for connecting T 311 to telephone line 740 00053 17 25 ft Modular Cord required for connecting T 311 to telephone line 610 00066 01 12 VAC Power Transformer spare Warranty Teltone warrants this product to be free from defects in material and workmanship for a period of two years given proper installa...

Page 55: ...tware if required Use the receive and transmit data LED s on the front panel to assist in troubleshooting Contact Teltone for help if needed Return your T 311 to Teltone for repair as instructed in the next section Return Procedures If a unit is found to be defective contact Teltone customer service to obtain a RMA Return Material Authorization number and shipping instructions When returning units...

Page 56: ...I 1 start bit 7 data bits 1 parity bit 1 stop bit Baud rates supported 300 600 1200 2400 4800 9600 Parity supported Space bit 8 0 Mark bit 8 1 Even Odd or Parity Off Remote Interface Control Switch Characteristics Maximum controlled voltage Maximum on state current Maximum off state leakage 20 VAC or DC 100 mA 10 µa Audio Input From Remote Maximum input level without clipping Input impedance 1 10 ...

Page 57: ...urst of DTMF A duration set by register S11 Triple burst of DTMF D on off timing set by register S11 FSK Receiver Frequencies Logical 1 Logical 0 Baud Rate Response Range 1200 12 Hz 2200 22 Hz 1200 1 Baud 12 to 32dBm 1 12 to 36dBm 0 MECHANICAL SPECIFICATIONS Dimensions 5 5 W x 1 5 H x 9 0 D 140 x 38 x 229 mm Headset port Modular headset connector Use with headset amplifiers with UL CSA certificati...

Page 58: ...T 311 Page 50 Figure 7 T 311 Block Diagram ...

Page 59: ...h 8 indicating that bit 3 is set to 1 and all other bits are 0 or ignored If parity were set to on Bit 2 1 4 even parity Bit 3 1 8 the T 311 would respond with 12 the sum of bits 2 and 3 e 4 8 The simplest way to decode these S register values is by a continuous subtraction process That is If the T 311 response to a query is a number between 128 and 255 then bit 7 1 Subtract 128 the binary value o...

Page 60: ...4A j 106 6A 11 0B 43 2B K 75 4B k 107 6B 12 0C 44 2C L 76 4C l 108 6C Ctrl M 13 0D 45 2D M 77 4D m 109 6D 14 0E 46 2E N 78 4E n 110 6E 15 0F 47 2F O 79 4F o 111 6F 16 10 0 48 30 P 80 50 p 112 70 17 11 1 49 31 Q 81 51 q 113 71 18 12 2 50 32 R 82 52 r 114 72 19 13 3 51 33 S 83 53 s 115 73 20 14 4 52 34 T 84 54 t 116 74 21 15 5 53 35 U 85 55 u 117 75 22 16 6 54 36 V 86 56 v 118 76 23 17 7 55 37 W 87 ...

Page 61: ...uency High frequency 0 941 1336 1 697 1209 2 697 1336 3 697 1477 4 770 1209 5 770 1336 6 770 1447 7 852 1209 8 852 1336 9 852 1447 941 1209 941 1447 A 697 1633 B 770 1633 C 852 1633 D 941 1633 Reference Manual Index 40 400 00045 Rev B Page 53 ...

Page 62: ...LED Light emitting diode A semiconductor diode that emits light when a current is passed through it Used for status and information displays on electronic devices Loop current The DC current that flows through telephone wires when a line is off hook Parity bit A binary bit appended to a data word to make the sum of bits in every word always odd or always even Parity bits are checked at the sending...

Page 63: ...lts 30 five types of 21 format 21 hangup on DTR 30 ignore DTR 30 manual answer 24 password 31 remote control 21 remote control audio input 31 repeat last command 30 reset 29 RS 232 29 security 31 set password 31 standard 4 status 21 store telephone number 30 T 311 status 31 telephone 21 write to EEPROM 30 Commands response to DTR 30 Configuration in S register 40 saving 41 Connections 5 D Detector...

Page 64: ...esponse Codes 28 Response Messages 38 Return for repair U S customers 47 Return procedures U S customers 47 Ringback Tone tolerances 28 Ringing 4 detection 15 detection of 15 on incoming line 3 RING LOST 15 RS 232 port 15 voltage 7 Ringing Detection 15 Abandoned call 15 Auto hangup on incoming calls 15 auto forced answer 15 telephone rings 15 RS 232 Communications Link TX RX DTR RI 43 S S Register...

Page 65: ...Reference Manual Index 40 400 00045 Rev B Page 57 V V Commands 28 38 Verbose Mode See V Commands W Warranty 46 X X Commands 28 ...

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