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DSU III S2W User Manual

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1. u Warranty and Customer Service U a Chapter 2 Installation Unpack Inspect Power UP gti tenp e e eene nennen A G R ceiptInspecti n iege es i e dde tee E n ede E tede te del ir sas Equipment Provided TA Sau ua u tenentes EquipmentSold Separately sss osa E ces iciiae Network Interface Connection enne nnne tenent tenen DTE Data Connection Primary DTE sees eee nennen nnns Dialport Connection eher entere tendere ete re Pr deed re ting et Confi amp uratiOD noresite prespi per nen petierit e dl PR dE I pee reperti ie ert Hle segete Configuration Methods unan nanaqta re eee aae a aeS E Dei aS Ria SeSi PRONE PANE cos a TAEI aaa exeo Res A TCommaarids oan sessar eere ert e tee tere ee een e ee pret de ee D re rens V 2bbisCommiands um ter Ree OO e eben tee i DI REED SDLC ADECOPUON E Character Form ts ii eee tette etn reete Command Structure eee aati iria Nia EEE ESNEA tne esas Bi Sync OPHOM AAA tee gebe eer E Character Format esses ia A enne nn ano ene ene nenen nene ene Command Structure tsi oe etd e mes Asynchronous Option isei aeiee teesi onssas ristii Eee Na Eaei Ea Character Format di Command Structure esiseina andas aia Eie aa conan conc nn nun nn ntn ener nn nn ninos C ommandDescrpthi nsu U QS nu uuu
2. sse 41 Table6 E CS Options AT Commands u 43 Table6 F Shortand Long Delays at Different Operating Speeds 44 Table G CD Options AT Commands sss 45 Table 6 H TR Options AT Commands sss nennen 46 Table 6 I SR Options AT Commands sse 47 61200 01512 1 DSU Ill S2W User M anual v Table of Contents Table7 A Test Timeout AT Commands sss 50 Table 7 B Remote Digital Loopback AT Commands sese 50 Table7 C EIA Local Loopback AT Commands sse 51 Table7 D EIA Remote Loopback AT Commands a 52 Table8 A AT Command for Storing Phone Numbers sss 54 Table 8 B AT Commands for Editing Speed Call Numbers sss 54 Table8 C AT Command for Auto Dialing sss 55 Table8 D AtCommand for Auto Answer u u 56 Table 8 E AtCommands for Ring Again U a 57 Table9 A Manual Commands ceccocecononenonncannnnncncnronnnnonananannrnnnarnnannnnn nenne nennen 61 Table 10 A AT Command for Dialing Stored Numbers sss 64 Table 10 B AT Command for Dialing a Number sse 65 Table10 C AT Command for Speed Calling sese 65 Table 10 D AT Command for Auto Dial sse 66 Table 11 A Messages from the DSU CSU sss eee e
3. ssssssssssseeseeeeeenenene tenente nennen 70 Figure11 5 DTE amp Loop Test 76 Figure11 6 Initiating a DTE amp Loop Test sess 77 Figure11 7 Loop Only Test c cccccscssesessesssesssneseseecesescsnsnsnesesceceseseansnesescecenesesnsneneeeeeanes 78 Figure 11 8 Initiating a Loop Only Test 78 Figure 11 9 DTE Only Test Diagram u 80 Figure 11 10 Initiating a DTE Only Test ispari ienne ie ie 81 Figure 11 11 DTE with Test Pattern sssssssssssseeeneneneneernete nennen 82 Figure 11 12 Initiating a DTE Test with Test Pattern a 83 Figure 11 13 Test Pattern Only g u u Equus nennen 84 Figure 11 14 Initiating a Test Using a Test Pattern aaa 85 Figure 11 15 Initiating a Self Test sss nenne 86 Figure11 16 V 54 Remote Digital Loopback with Test Pattern sss 87 Figure 11 17 Initiating a Remote Test sse 88 Figure 12 1 Example of Status Displays u Q 89 Figure C 1 DSU to Modem Interconnect sss eene 99 Figure D 1 EIA 232 Connector ete Qn dte aegre derer eni 101 61200 01512 1 DSU III S2W User Manual vii Table of Contents viii DSU Ill S2W User Manual 61200 01512 1 Chapter 1 Introduction PRODUCTOVERVIEW 61200 01512 1 The ADTRAN Data Service Unit II Switched 2 Wire DSU III S2W provides a reliable high speed data connection from a customer s Data Terminal
4. Customer Receive Data TX Network Transmit Data RX Network Receive Data The test patterns shown in Table 11 D are available for the DTE with Test Pattern and Test Pattern tests Table 11 D DTE With Test Pattern Commands Front AT 3 12 2047 PATTERN _TO8 T8 Standard 2047 random data p 2 511 PATTERN _T18T8 Standard 511 random data pa DSU Ill 2W User M anual 75 Chapter11 Testing and Troubleshooting DTE Loop LL Test Description The DTE amp Loop test splits the DSU III S2W into two separate DTE and loop interface sections and then loops the receive data of each interface back to its respective transmit data The DTE amp Loop test provides a bidirectional loopback at the DSU CSU Figure 11 5 illustrates the loopback points and the signal paths for this test LOCAL DTE DSU CSU DTE Loopback Local 4 wire Loopback Figure 11 5 DTE Loop Test Test Purpose The DTE amp Loop test is used for the following purposes Verify integrity of the DTE interface and cable Provide a loopback for network tests 76 DSU Ill S2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting Initiating Follow the menu path outlined in Figure 11 6 to initiate a DTE amp Loop Test 1 DTE amp LOOP LI 1 LOCAL UNIT 2 TEST 2 REMOTE UNIT Figure 11 6 Initiating a DTE amp Loop Test Interpreting Test Results A BERT tester must be used to interpret the test results of a DTE amp Loop
5. DTE DSU Ill S2W Pin 15 TC Pin 24 ETC No connection ElA 232 CONNECTOR Figure D 1 EIA 232 Connector 61200 01512 1 DSU Ill 2W User M anual 101 Appendix D EIA232 Connector 102 DSU Ill 2W User M anual 61200 01512 1 Appendix E Specifications Summary SPECIACATIONS AND FEATURES 61200 01512 1 This section describes the standard specifications and features incorporated in the DSU III S2W Network Interface 2 wire Switched 56 based on Northern Telecom Datapath technology Line Interface RJ 11 DTE Interface Both ELA 232 and V 35 electrical and physical DTE interfaces DTE Rates DTE to loop rate matching in both switched and virtual private line modes Synchronous rates 1 2 2 4 4 8 9 6 19 2 38 4 48 56 and 64 kbps Asynchronous rates 1 2 2 4 4 8 9 6 19 2 38 4 and 57 6 kbps FCC Approval UL 1950 CSA and FCC part 15 class A DSU III S2W User M anual 103 Appendix E Specifications Summary Tests Local DTE DTE LOOP DTE with test pattern loop only test pattern Remote V 54 with 2047 511 or DTE data T link with 2047 511 or DTE data Dialing Options EIA 366 or AT out of band AT in band dial commands Front panel keypad V 25 bis in band async bi sync SDLC Stored Number Switch Stored Number Switch Speed Dial DTR Stored Number Physical Dimensions 2 25 H 8 75 W 10 25 D Weight 3 lbs Power 115 VAC 60 Hz 8 Watts Environment Operating Temperature 0 C to 5
6. 1 NETWORK TYPE STORED NUMBER 3 TEST OPTIONS 4 DIAL OPTIONS 5 MANUAL COMMAND 6 RING AGAIN Figure 10 2 Path to Storing Numbers Table 10 A AT Command for Dialing Stored Numbers Dial stored number in register n See the chapter Configuring Dial Options for more information Enter Dial This option allows you to enter a phone number of up to 36 digits for the DSU III 52W to dial 1 DIAL STORED 2 ENTER DIAL Figure 10 3 Entering Dial Number 64 DSU Ill 2W User M anual 61200 01512 1 Chapter 10 Dial Selection Table 10 B AT Command for Dialing a Number AT D Dial mumber Speed Call This option allows you to select a telco register number that was previously programmed See the chapter Configuring Dial Options for information on programming speed call numbers 1 DIAL STORED 2 ENTER DIAL Figure 10 4 Path to Speed Calling Table 10 C AT Command for Speed Calling AT Dial speed call register number 61200 01512 1 DSU Ill 2W User M anual 65 Chapter 10 Dial Selection Auto Dial This option allows you to select a previously programmed number from the telco See the chapter Configuring Dial Options for infor mation on programming auto dial numbers 1 DIAL STORED 2 ENTER DIAL 4 DIAL 3 SPEED CALL 4 AUTODIAL Figure 10 5 Path to Auto Dialing Table 10 D AT Command for Auto Dialing AT Dial auto dial number 66 DSU Ill 2W User M
7. 115 VAC Connection Power cord connection Figure 3 3 DSU III S2W Rear View 61200 01512 1 DSU Ill 2W User M anual 25 Chapter 3 O peration 26 DSU Ill S2W User M anual 61200 01512 1 Chapter 4 Configuration Overview LOCALCONRGURATION 61200 01512 1 The Configuration menu consists of a group of five sub menus relating to a specific interface or function of the DSU III S2W that requires setup 1 Network Opt Network Interface Parameters 2 DTE Options DTE Interface Parameters 3 Test Options Unit Test Options 4 Dial Options Unit Dialing Options 5 ManualCommand ADTRAN Specific Commands The DSU III S2W contains four different user profiles sets of configurations options that are stored in read only memory see the appendix Default Configuration Profiles The unit is shipped from the factory with profile number 1 default configuration loaded into the current nonvolatile configuration memory If profile 1 matches requirements for the system then no additional configuration is required to put the unit into service If profile 1 does not match system requirements it can be modified or one of the other profiles that more closely matches the system require ments can be loaded into current memory When a different profile is loaded or the existing profile is modified it is stored in the current nonvolatile configuration memory The DSU III S2W is then configured with that profile every time power is turned on or until the
8. 50 DSU Ill 2W User Manual 61200 01512 1 Chapter 7 Configuring TestO ptions BIA Local Loopback The EIA LLB Electronics Industries Association Local Loopback option specifies whether or not the DSU III S2W responds to the LLB input from the DTE The factory default setting is DISABLED Figure 7 3 shows the menu path used to access the EIA LLB option 1 NETWORK TYPE 2 DTE OPTIONS 1 TEST TIMEOUT DISABL 2 ENABLED 4 EIA RLB EN DIS 4 DIAL OPTIONS 5 MANUAL COMMAND Figure 7 3 EIA Local Loopback Options Table 7 C shows the equivalent AT commands for setting the ELA LLB options Table7 C EIA Local Loopback AT Commands Front AT Panel Command Descriptions 1 DISABLED EIA LLB disabled 2 ENABLED EIA LLB enabled 61200 01512 1 DSU III S2W User Manual 51 Chapter 7 Configuring TestO ptions EA Remote Loopback The EIA RLB Remote Loopback option specifies whether or not the DSU III S2W responds to the RLB input from the DTE The factory default setting is DISABLED Figure 7 4 shows the menu path for the EIA RLB options 1 NETWORK TYPE 2 DTE OPTIONS 1 TEST TIMEOUT 3 TEST OPTIONS 5 MANUAL COMMAND Figure 7 4 EIA Remote Loopback Options Table 7 D shows the equivalent AT commands for setting the EIA RLB options Table7 D EIA Remote Loopback AT Commands Front AT n 1 DISABLED RO EIA RLB disabled 2 ENABLED EIA RLB enabled 52 DSU Ill 2W User M anual 61
9. 93 Appendix B Default Configuration Profiles Default Configuration Profiles essent tenente 95 O A ete mte ep epa R rivets cin e do 95 Protil 2 A BERGER m UB atte 95 Profile p e sayis 95 Protile4 i eeiadteo ehe tetra ditio au ie abate gat 95 Appendix C DSU to Modem Interconnect Modem Tail Circuit Application mooconoconcncnncnoncnnononenenecncnnnnnnnacnraronnnca canon nr nerananannnnarnrarnnnnnnnannns 99 Appendix D EIA 232 Connector 56 and 64 kbps Application enne tenente nenne 101 Appendix E Specifications Summary Specifications and F at res teet eee d re dern eerte he Sisi 103 GI SSapy3n an X 105 II c 111 List of Tables Table2 A Pin Assignments for Telco Connector sssssseeseseeenn 7 Table2 B Pin Assignments for Primary EIA 232 Connector ssssssssss 8 Table2 C Pin Assignments for Primary V 35 Connector sss 9 Table2 D Pin Assignments for DIALPORT Connector sess 10 Table5 A Echo Cancel Commands esses eene 32 Table 5 B Adapt Commands y ns apina nahua nana aaa AER EREE 33 Table5 C Volume Level Commands sse 34 Table6 A DTE Rate AT Commands sse nennen nnne 36 Table6 B Data Format Commands sess nene 38 Table 6 C DTE Command Descriptions u 40 Table6 D Transmit Clock AT Commands
10. 1 EXIT TEST 2 LOOP ONLY RT STATUS DISPLAM gt 2 DISPLAY STATUS 1 EXIT TEST 3 DTE ONLY STATUS DISPLAM2 DISPLAY STATUS 1 EXIT TEST 4 DTE WITH TP 1 2047 PATTERN STATUS DISPLAY 2 DisPLAY STAT 2 511 PATTERN 1 EXIT TEST 5 TEST PATTERN 1 2047 PATTERN STATUS DISPLAY 2 DISPLAY STAT 2 511 PATTERN 6 SELF TEST STATUS DISPLAY 122047 PATTER 1 EXIT TEST 2 511 PATTERN STATUS DISPLAM2 DISPLAY STATUS 3 DATA FROM DTE Figure 11 4 Complete Test Menu DSU Ill S2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting TROUBLESHOOTING This section is intended to provide a quick and easy means of diagnosing suspected problems associated with local or remotely attached ADTRAN DSU CSUs Messages from the DSU CSU The DSU III S2W displays messages on the LCD display and LEDs concerning the status of the unit and the local loop If the Alarm LED is on one or more of the messages shown in Table 11 A is displayed on the LCD The Status menu must be selected in order for the unit to display status messages Pressing Quick returns to the Main menu where STATUS p can be selected NOTE 61200 01512 1 DSU III S2W User Manual 71 Chapter11 Testing and Troubleshooting Table 11 A Messages from the DSU CSU Message Probable Probable Cause Action ood local loop signa EC ocal loop No action required LOOP IS NORMAL being received from properly connected t telco telco circuit U B j nit not receivin
11. 93 H hang up call AT command 93 HDLC option 13 Idle 90 INC 14 15 Incoming Call 90 installation 5 17 interface network 7 interference 8 INV 14 15 INVCU 14 INVPS 14 INVPV 14 114 L LCD window 23 LED description 24 line interface 103 LLB 91 LLB control AT command 94 local configuration 27 local loopback 91 local unit test 75 Loop is Normal 90 loop only RT 78 M Main menu 11 19 20 DIAL 63 main menu 24 69 manual command 27 59 61 61 menu structure 19 menu travel 21 22 modem tail circuit application 42 99 network interface connection 7 interface parameters 27 network echo canceler AT command 94 network interface 103 network options 27 31 34 network status 90 numeric keypad 23 O operation 19 25 overview 1 DSUIIIS2W User M anual 61200 01512 1 P phone number 53 AT commands 54 store AT command 94 physical description 104 pin assignments dialport 10 primary EIA 232 connector 8 primary V 35 connector 9 TELCO connector 7 point to point application 1 power cord 25 power switch 25 power up 6 power up user profile AT command 94 primary DTE 8 primary EIA 232 25 primary V 35 25 PRN 16 product overview 1 2 program number 16 Q quick 24 R RD 24 re execute AT command 93 read S register AT command 93 rear panel 25 receipt inspection 5 receive data 24 remote digital loopback 50 AT commands 50 61200 01512 1 Index remote loopback 91 remote tests
12. Adjusting the Volume Level Table 5 C shows the equivalent AT commands for adjusting the volumelevel Table 5 C Volume Level Commands Front A L0 Volume o LI X Volume low gt EA ci Volume high 34 DSU Ill S2W User M anual 61200 01512 1 Chapter 6 Configuring DTE Options DTEOPTIONS The DTE OPTIONS menu is used to select the configuration parameters that control the operation of the DSU III S2W s DTE interface DTE Rate The DTE RATE option sets the operating speed of the DTE inter face The supported DTE rates for a SW56k loop are shown in Figure 6 1 The factory default setting is 56k 57 6k 61200 01512 1 DSU III S2W User Manual 35 Chapter6 Configuring DTE O ptions 1 NETWORK OPT 1 DTE 1 2k 2 DTE 2 4k 1 DTE RATE 3 DTE 4 8k 4 DTE 9 6k 2 DTE OPTIONS 5 DTE 19 2k 6 DTE 38 4k 2 CONNECTOR TYPE 7 DTE 48k 3 DATA FORMAT 8 DTE 56k 57 I 4 DTE CMD OPTION 9 DTE 64k 3 CONFIG 5 TRANSMIT CLOCK 6 CS OPTIONS 7 CD OPTIONS 8 TR OPTIONS 9 SR OPTIONS 3 TEST OPTIONS 4 DIAL OPTIONS 5 MANUAL COMMAND Figure 6 1 DTE Rates The equivalent AT commands for setting the DTE rate are shown in Table 6 A Table 6 A DTE Rate AT Commands Front AT ER DTE 48 9eK7 D rate 48k sync will dis commands on control port 36 DSU Ill 2W User M anual 61200 01512 1 Chapter6 Configuring DTE O ptions Connector Type The CONNECTOR TYPE optionis used to specify which of the primary channel connect
13. DSU III S2W User Manual 11 Chapter2 Installation ATCommands 12 The DSU IIIS2W can be configured and controlled with in band AT commands from an asynchronous DTE port just as modems are To exit the data mode and enter the command mode the asynchro nous DTE device must transmit a proper escape sequence or three pluses to the DSU III S2W A specified time delay must occur between the last data character and the first escape sequence character This is the guard time delay and it can be changed by writing a value to the S12 register The default value for the guard time is one second For a valid escape sequence to occur the DTE must transmit the escape code character three times in succession with delay between each character being less than the guard time Once the command mode is entered AT commands can be transmitted to the DSU III S2W to configure most of the options or initiate tests to check both the DSU III S2W and the network connections All command lines must begin with the AT character set in either capital or lower case letters The command line may contain a single command or a series of commands after the AT attention code When a series of com mands is used the individual commands may be separated with spaces for readability The maximum length for a command line is 40 characters Each command line is executed by the DSU III S2W upon receipt of a terminating character The default terminating character is a
14. Equipment DTE through 2 wire Switched 56 SW56 network lines This type of SW56 service is generally referred to as DATAPATH The DSU III S2W supports both synchronous and asynchronous data communication over SW56 networks The DSU III S2W provides both V 35 and EIA 232 electrical and physical DTE interfaces to accommodate a variety of applications A second DB 25 labeled ELA 366 232 provides an EIA 366 parallel dialing interface The unit features a receiver capability which permits operation over loops 14 000 ft on 26 AWG Figure 1 1 shows a sample point to point application for the DSU III S2W DSU III S2W User Manual 1 Chapter1 Introduction p RR SERVER 1 V 32bis 2 or 4 E 1 wire SW56 xV DEDICAT PUBLIC SWITCHED spn PUBLIC SWITCHED PRIVATE NgfWoRKIGITAL NBTWORK rTworK TELEPHONE NETWORK n RINTER 12 or 4 T wire SW56 Lh io V 32bis Eu Area Networks EAT p DSU III S2W M cum t Figure 1 1 Sample Point to Point Application for DSU III S2W DSU Ill S2W User M anual 61200 01512 1 Chapter 1 Introduction GENERALDATAPATH DESCRIPTION 61200 01512 1 DATAPATH is a 2 wire switched digital service offered by the local service provider The services are generally provided by the Northern Telecom DMS SL 100 family of Central Office switches DATAPATH is always switched which allows the
15. and the unit dial out 4 OFFSON DIAL 1 amp D3 Dial Stored 1 TR goes o 5 0FF gt 0N DIAL 2 amp D4 Dial Stored 2 TR goes of DSU Ill S2W User M anual 61200 01512 1 Chapter6 Configuring DTE O ptions SR Options The SR OPTIONS menu is used to select the operating mode for the data set ready SR lead Press Shift and then A to activate the SR OPTIONS sub menu The factory default setting is OFF TEST IDLE shown in Figure 6 9 1 DTE RATE 2 CONNECTOR TYPE 1 NETWORK OPT 3 DATA FORMAT 2 DTE OPTIONS J4 DTE CMD OPTION 1 FORCED ON 3 CONFIGB OPTION 3 RANSM O 2 OFF IDLE ONLY 4 DIAL OPTIONS 6 CS OPTIONS 3 OFF LOCD ONLY 5 MANUAL COMMANU 7 CD OPTIONS 4 0FF TEST ONLY 8 TR OPTIONS 5 OFF TEST II 9 SR OPTIONS 6 OFF TEST LOCI Figure 6 9 Setting SR Options Table 6 I shows the AT commands for setting SR OPTIONS Table 6 1 SR Options AT Commands Front AT po Panel Descriptions 1 FORCED ON amp S0 C1 2 OFFIDLE ONLY amp S1 C1 Off when idle no data connection 3 0FF LOCD ONL amp S2 C1 JOff 5 seconds after discon 4 0FF TEST ONL amp S0 CO Off when unit in test 5 OFF TEST IDLE amp S1 CO Off in test or idle 6 OFF TEST LOCD amp S2_ CO Off 5 seconds after discon or test 61200 01512 1 DSU III S2W User Manual 47 Chapter6 Configuring DTE O ptions 48 DSU Ill 2W User M anual 61200 01512 1 Chapter 7 Configuring Test Options TESTOPTIONS The TEST OPTIONS menu enables or disables differ
16. one of four command modes or disable all DTE command modes see Figure 6 4 The default setting is DISABLED 1 NETWORK OPT 1 DTE RATE 2 CONNECTOR TYPE 3 DATA FORMAT 1 DISABLED 2 DTE OPTIONS 4 DTE CMD OPTIDNAT COMMAND SE 3 V 25 SYNC 4 V 25 BSC ASYN 5 V 25 SYNC FLG 3 CONFIE 5 TRANSMIT CLOC 6 CS OPTIONS 7 CD OPTIONS 8 TR OPTIONS 9 SR OPTIONS 3 TEST OPTIONS 4 DIAL OPTIONS 5 MANUAL COMMAND Figure 6 4 Selecting DTE Command Option 61200 01512 1 DSU Ill 2W User M anual 39 Chapter6 Configuring DTE O ptions Table 6 C DTE Command Descriptions Front AT TA 1 DISABLED Disables all DTE command mo 2 AT COMMAND SHT N A Enables AT commands from D 3 V 25 SYNC Enables V 25 bis SDLC com 4 V 25 BSC ASYNG N A Enables V 25 BISYNC and A 5 V 25 SYNC FLG N A Enables V 25 bis SDLC com with flags When the unit is in DTE CMD OPTION mode idle in SW56 forced with TR option or from escape sequence in AT mode with AT COMMAND SET or V 25 SYNC selected the DTE format is independent of the DATA FORMAT option However if V 25 BSC ASYNC is selected the unit will use V 25 BISYNC BSC commands for NOTE synchronous data format or V 25 ASYNC commands for asynchronous data format 40 DSU Ill 2W User M anual 61200 01512 1 Chapter6 Configuring DTE O ptions Transmit Clock The TRANSMIT CLOCK option selects the source of the clock used to transfer data from the DTE into the DSU II S2W Figure 6 5 shows the menu path us
17. register parameter is not in the valid range for dialing registers the INVPV Invalid Parameter Value response is returned Other responses include VAL CNX and CFIxx DIC Disregard Incoming Call This command causes the V 25 bis processor to return to command mode even if there is an incoming call pending This allows local commands to be issued and incoming calls to be ignored There are no parameters associated with this command The DSU responds with VAL PRN Program Number This command stores the supplied number into the specified register The command has the following format PRN REGISTER NUMBER NUMBER TO BE STORED If this command is entered with no parameters the INVPS re sponse is returned If no register number is included in the command or if it is invalid the INVPV response is returned This response is also returned if the number to be stored contains invalid characters The characters 1 2 3 4 5 6 7 8 9 0 P T and amp are valid dial characters If no digits are issued with this command the specified register is cleared The DSU responds with VAL DSU III S2W User M anual 61200 01512 1 61200 01512 1 RLN Request List of Numbers This command causes the DSU III S2W to return the number stored in the specified register The format of this command follows RLN R EGIST ER NUMBI ER Chap ter 2 Installation If the register number
18. set serial number 94 speed call 65 SR control 94 SR options 47 94 store phone number 93 94 store user profile 94 T link adapt control 93 test commands 94 test pattern select 94 test timeout 50 TR option 46 transmit clock 41 94 user profile power up 94 view current configuration 94 volume control 93 write to S register 93 auto answer 55 AT command 94 AT commands 56 auto dial 66 AT command 66 auxiliary EIA 366 232 25 auxiliary EIA 232 25 B bi sync option 13 C call request using stored number 16 call request with number 15 cancel 21 24 carrier detect 24 CD 24 CD option 45 AT command 45 CFI 15 CFIDE 14 112 DSU Ill 2W User M anual CFIET 14 CFINS 14 CIC 15 clear to send 24 CNL 15 CNX 14 15 CONFIG 11 20 configuration 11 dial options 53 57 DTE options 35 local 27 methods 11 network options 31 test options 49 52 view AT command 94 configuration local 15 configuration options 27 configuration profiles default 95 97 96 97 97 connect incoming call 15 connector dialport 10 EIA 232 101 network interface 7 primary DTE 8 TELCO 7 pin assignments 7 V 35 8 connector type 37 CRN 15 CRS 16 CS 24 option 43 44 CS option AT commands 43 CS options AT command 94 customer service 4 61200 01512 1 D data format 38 AT commands 38 Data Mode 90 data mode 90 data set ready SR 91 data terminal ready 91 DATAPATH 1 description 3 DCD option AT command 94 default configuration pr
19. test 1 DTE amp LOOP L 1 LOCAL UNIT 2 REMOTE UNIT Figure 11 15 Initiating a Self Test Interpreting Test Results Once Self Test is activated the LEDs cycle on and off as the system runs the self test A pass or fail status will be displayed on the LCD along with a checksum indicating the current firmware revision 86 DSU Ill 2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting REMOTEUNIT DIAGNOSTICS The Remote Unit submenu allows a remotely installed DSU to be placed into loopback Establish a call before performing any remote diagnostics There are two test patterns to choose from or Data from the DTE may be selected see Table 11 E Table 11 E Remote Tests and AT Commands Front AT mE 12 2047 PATTERN TO amp T7 Standard 2047 random data 2 511 PATTERN _T18T7 Standard 511 random data p 3 DATA FROM OTE amp T6 Data from DTE LOCAL DSU CSU REMOTE DTE DSU CSU Tx Tx el X Rx j RX prog RX lt Local Unit Initiates Test Figure 11 16 V 54 Remote Digital Loopback with Test Pattern 61200 01512 1 DSU Ill S2W User Manual 87 Chapter11 Testing and Troubleshooting Test Purpose Test the local DSU the circuit and remote DSU Initiating Follow the menu path outlined in Figure 11 17 to place a remote DSU III 52W into loopback 1 LOCAL UNIT 12 2047 PATTERN 2 511 PATTERN 3 DATA FROM DTI Figure 11 17 Initiating a Remote Test Test Resul
20. unit is reset DSU Ill 2W User M anual 27 Chapter 4 Configuration O verview 28 For detailed information on configuration see the chapters Config uring Network Options Configuring DTE Options Configuring Test Options Configuring Dial Options and Manual Command A complete Configuration menu is shown in Figure 4 1 DSU Ill S2W User M anual 61200 01512 1 Fold Out of Complete Configuration Menu belongs here 61200 01512 1 DSU III S2W User M anual 29 Chapter4 Configuration O verview 30 DSU Ill 2W User M anual 61200 01512 1 1 NETWORK OPT 2 DTE OPTIONS Chapter 4 Configuration O verview 1 DISABLE 2 ENABLE ORIG 1 ECHO CANCEL 3 ENABLE ANSW 4 ENABLE BOTH 1 DTE RATE 2 ADAPT 1 DISABLED 2 ENABLED 3 NO T LINK 57 6 2 CONNECTOR TYPE 3 VOLUME CNTL VOLUME LEVEL 0 3 0 3 DATA FORMAT 4 DTE CMD OPTION 3 CONFIG 1 DTE 1 2k 2 DTE 2 4k 3 DTE 4 8k A DTE 9 6k 5 DTE 19 2k 6 DTE 38 4k 7 DTE 48k 8 DTE 56k 57 6k 9 DTE 64k 1 RS 232 2 V 35 1 ASYNCHRONOUS 2 SYNCHRONOUS 1 DISABLED 2 AT COMMAND SET 3 V 25 SYNC 4 V 25 BSC ASYNC 5 V 25 SYNC FLG 1 ASYNC 7 BITS 2 ASYNC 8 BITS 1 EVEN PARITY 1 2 1 STOP BIT 2 STOP BITS 1 CS DELAY SHORT 2 CS DELAY LONG 4 FOLLOWS RS CD 1 CS DELAY SHORT 2 CS DELAY LONG ENTER TIMEOUT 5 TRANSMIT CLOCK 1 NORMAL 1 FORCED ON 1 TEST TIMEOUT 0 OFF 00 SEC 2 EXTERNAL 2 FOLLOWS RS 6 CS OPTIONS 3 FOLLOWS CD 2 RDL EN D
21. will be required to correct the interference at his own expense Shieldedcablesmustbeusedwiththisunitto ensurecompliancewith Class AFCClimits Change or modifications to this unit not expressly approved by the v party responsible for compliance could void the user s authority to operate the equipment CANADIAN EMISSIONSREQUIREMENTS This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Department of Communications Cetappareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur Appareils Numeriques NMB 003 edictee par le ministre des Communications CANADIAN EQUIPMENTLIMITATIONS Notice The Canadian Industry and Science Canada label identifies certified equipment This certification means that the equipment meets certain telecommu nications network protective operational and safety requirements The Depart ment does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equip ment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a
22. 0 C 32 F to 122 F Storage Temperature 20 C to 70 C 4 F to 158 F Relative Humidity Up to 95 non condensing 104 DSU Ill 2W User M anual 61200 01512 1 Glossary 2047 A pseudorandom test pattern that is repeated every 2047 bits used to test DSU CSUs 511 A pseudorandom test pattern that is repeated every 511 bits used to test DSU CSUs asynchronous A method of data transmission which allows characters to be sent at irregular intervals by preceding each character with a start bit followed by a stop bit AT commands Also known as the Hayes Standard AT Command Set A language that enables PC communications software to control asynchronous and Hayes compatible modems AT is short for attention AWG American Wire Gauge Standard measuring gauge for nonferrous conductors i e non iron and non steel The higher the AWG number the thinner the wire BERT Biterror rate test A known pattern of bits is transmitted and the errors received are counted to figure the biterror rate Theideais to measure the quality of data transmission The bit error rate is the ratio of received bits that are in error relative to the number of bits received usually expressed in a power of 10 61200 01512 1 DSU III S2W User Manual 105 Glossary bisync Bisynchronous transmission A half duplex character oriented synchronous data communications transmission method originated by IBM in 1964 CD Carrier detect A signal gene
23. 200 01512 1 Chapter 8 Configuring Dial Options DIALOPTIONS The DIALOPTIONS menu stores up to ten phone numbers and defines the AUTO ANSWER operation of the DSU III S2W when it is configured for Switched 56 operation Phone Number The DSU III S2W stores up to ten numbers of 36 digits each Edita phone number by reentering the entire number This process overwrites the previously stored number Figure 8 1 shows the menu path used to access the PHONE NUMBERS option 1 NETWORK TYPE 2 DTE OPTIONS 3 TEST OPTIONS STORED NUMBER TO 4zDIAL OPTIONS 5 MANUAL COMMAND Figure 8 1 Editing Stored Phone Numbers 61200 01512 1 DSU III S2W User Manual 53 Chapter8 Configuring Dial O ptions Table 8 A shows the AT Command for storing phone numbers Table 8 A AT Command for Storing Phone Numbers AT Store Phone Number Edit SC The EDIT SC Edit Speed Call option is used to program the local telco switch to support speed dialing This option must be purchased from the telco provider Figure 8 2 shows the menu path for this option 1 NETWORK TYPE 1 PHONE NUMBER 3 TEST OPTIONS SPEED CALL TC EDIT 1 10 4 DIAL OPTIONS 6 RING AGAIN Figure 8 2 Editing Speed Call Numbers Table 8 B AT Command for Editing Speed Call Numbers AT Edit Speed Call Number 54 DSU III S2W User M anual 61200 01512 1 Chapter8 Configuring Dial O ptions EditAD The EDIT AD Edi
24. ADRAN DSU Ill S2W Data Service Unit USERMANUAL 61200 01512 1B O ctober1995 Trademarks DATAPATH is a registered trademark of CAE electronics and is used by Northern Telecom under license Hayesis a registered trademark of Hayes Microcomputer Products Inc ADRAN 901 Explorer Boulevard P O Box 070020 Huntsville AL 35807 Phone 205 971 8000 Fax 205 971 8699 1995 ADTRAN Inc Allrights reserved Printedin USA FCCregulationsrequirethatthefollowinginformationbeprovidedinthismanual 1 e Oo This equipment complies with Part 68 of the FCC rules On the bottom of the equipmenthousing is a label thatshows the FCC registration number and Ringer Equivalence Number REN for this equipment If requested provide this information to thetelephonecompany Ifthisequipmentcausesharmtothetelephonenetwork thetelephone company may temporarily discontinueservice If possible advance notification is given otherwise notification is given as soon as possible The telephone company will advise the customer of the right to file a complaint with the FCC The telephone company may make changes inits facilities equipment operations or procedures that could affectthe proper operation of thisequipment advancenotification and the opportunity to maintain uninterrupted serviceis given Ifexperiencing difficulty with this equipment please contact ADTRAN forrepairand warranty information The telephone company may require t
25. AT commands 87 request list of numbers 17 request to send 24 reset AT command 94 restore factory options AT command 94 result code display AT command 93 result code from AT command 93 return material authorization RMA 4 ring again 57 AT commands 57 ring again control AT command 93 RLB 91 RLB control AT command 94 RLN 17 RMA 4 RS 24 RS366 EON 56 RIS CTS delay AT command 94 S SDLC HDLC option 13 select test pattern AT command 94 self test 86 serial number set AT command 94 setserial number AT command 94 shift 23 specifications 103 DSU Ill S2W User M anual 115 Index speed call 65 AT command 65 SR 91 SR control AT command 94 SR option 47 SR options AT command 94 AT commands 47 STATUS 11 20 89 status display 89 status messages Data Mode 90 DTR Active 90 Idle 90 Incoming Call 90 Loop is Normal 90 store phone number AT command 93 94 SW56 network 1 switched 56 operation 15 synchronous operation 67 synchronous rates 103 T T Link 3 Tlink adapt control AT command 93 TD 24 TELCO 7 telco connection 25 telco jack 25 temperature 104 TEST 11 20 test DTE only 80 DTE with test pattern 82 loop only 78 self 86 test pattern 84 116 test commands 75 AT command 94 test menu 70 test mode 24 test options 27 configuration 49 52 test pattern 84 select AT command 94 test status display 69 test timeout 49 AT commands 50 testing 67 88 tests 104 local 104 remo
26. Command mieten perte Eie rema der ceci bote perfe ee dte 59 Chapter 10 Dial Selection Dial Options o unan mas inm RT ete ie 63 Dial Stored f eoe Ret ere nem de eee i e e ete de 63 Enter Dial irrita imet eet ite rie re eG UE 64 Speed Gall rr e ertet te eie di n pee npe Sint oes 65 Adit Dial Iii ee He p es 66 Chapter 11 Testing and Troubleshooting Test OVerview X aaa 67 Initiatinga Test nne O E het dee 68 Testotatus Display ibt e aia res 69 Ixiting destinario ga eie OH aude i Ee lata 69 Tro bleshooting 55 n ntes eter ne e S dde ine RR ee deest ces 71 Messagesfromthe DSU SU sa recette pee deer rd rper 71 Troubleshooting New Installs a 73 TestSequence for Troubleshooting New Installs or Existing Circuits 74 Local Unit Diagnostics verses eet este t eee tte di 75 DTE ELO PA egeta ec ditis 76 61200 01512 1 DSU III S2W User Manual ili Table of Contents Test Description sisse eene nenne tenente tenter nennen 76 TESEI POSE aaa nene teatro fis 76 A ihe it neni aset ait t b de d 77 Interpreting Test Results a pete e ute endete ede ets 77 Eoop ODnb ST tette E ES 78 lestP rpose eei add ltda 78 Ita aa tita cti entm cda is 78 Interpreting Fest Results isore a na Saa ua Waaay tenen 79 DILO y ue susta e REIR ROI ORI ET 80 lestl rpOse ue spe meh eere tin eene E fs 81 ianiai inio a et den eS HAS EOR EA Ud eiii M Te b eee i hd 81 Interpreting T st
27. E EIA 232 interface used to indicate if the DCE is ready to pass data start bit In asynchronous data communications characters are sent at arbitrary intervals In order for the computer to make sense of whatis coming in each character starts its transmission with a start bit The start bit is always a 0 stop bit The stop bitis an intervalatthe end of each asynchronous character that allows the receiving computer to pause before the start of thenext character The stop bit is always a 1 See start bit switched In regard to DSUs the ability to perform the functions of establishing and releasing connections on a per call basis between two or more circuits services or communications systems The DSU III S2W and DSU III 54W are examples of Switched 56 DSUs synchronous Communications in which the timing is achieved by sharing a single clock Each end of the transmission synchronizes itself with the use of clocks and information sent along with the transmitted data tail circuit A feeder circuit which may be digital or analog that provides an access line to a digital or analog network uL Underwriters Laboratories A laboratory established by the National Board of Fire Underwriters that tests equipment materials and systems that may affect insurance risks with special reference to fire dangers and other hazards to life V 25 bis Automatic calling and answering command setincluding the ability to work with async bisync and HDLC dev
28. EFAULT CONHGURATION PROFILES 61200 01512 1 The DSU III S2W contains four different user profiles sets of configurations options stored in read only memory see Table B A The unit is shipped from the factory with profile 1 loaded into the nonvolatile configuration memory See the chapters Installation and Manual Command for more information Profile 1 Profile 1 is configured for a56 kbps synchronous operation witha V 35 connector DTE commands disabled and Auto Answer disabled Profile 2 Use profile 2 for a 57 6 kbps asynchronous operation with an EIA 232 connector DTE AT commands enabled and Auto Answer enabled Profile 3 Use profile 3 for a 9 6 kbps asynchronous operation with an EIA 232 connector DTE AT commands enabled and Auto Answer enabled Profile 4 Use profile 4 for a 9 6 kbps synchronous operation with an EIA 232 connector DTE commands disabled and Auto Answer en abled DSU III S2W User M anual 95 Appendix B DefaultC onfiguration Profiles Table B A Default Configuration Profiles Profile Numbers Manual Command AAA Escape Character CR Character LF Character BS Character 8 8 8 8 Result Code Disable Enable Enable Enable DIR Command Timeout xl secB 8 8 83 Network Options Volume Level OF GF Or OF DTE Options Transmit Clock DIE Normal Normal Normal Normal 96 DSU Ill 2W User M anual 61200 01512 1 Appendix B Default Conf
29. I S2W When this test is implemented the far unit receives an OOS OOF gt message from the network and enters an alarm state NOTE LOCAL DTE DSU CSU Figure 11 9 DTE Only Test Diagram 80 DSU Ill 2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting Test Purpose The DTE Only testis used for the following purposes Verify integrity of the DTE interface Verify integrity of connection between DTE and DSU III S2W Initiating Follow the menu path outlined in Figure 11 10 to initiate a DTE Only test 1 DTE amp LOOP L 2 LOOP ONLY R 1 LOCAL UNIT 4 DTE WITH TP 2 REMOTE UNIT 5 TEST PATTER 6 SELF TEST Figure 11 10 Initiating a DTE Only Test Interpreting Test Results 61200 01512 1 A BERT tester must be used to interpret the test results of a DTE Only test DSU III S2W User M anual 81 Chapter11 Testing and Troubleshooting DTE With Test Pattern Test Purpose Initiating 82 The DTE with TP test pattern test is similar to the DTE Only test described previously except the test pattern is generated using the DSU CSU internal test pattern generator This test can be used to detect deficiencies within the internal drivers and receivers of the DSU III S2W Figure 11 11 illustrates the loopback point and the data paths for this test LOCAL DSU CSU Error Test Pattern Inject Generator Figure 11 11 DTE with Test Pattern A DTE test using a test pattern is used
30. IS 1 RDL IGNORED 2 RDL ACCEPTED 3 TEST OPTIONS 3 EIA LLB EN DIS 1 DISABLED 5 OFF WITH LOCD 2 ENABLED 7 CD OPTIONS 1 FORCED ON 4 EIA RLB EN DIS 1 DISABLED 2 NORMAL 2 ENABLED 1 IGNORED 3 OFF WITH LOCD 8 TR OPTIONS 2 LEASED LINE 3 IDLE WHEN OFF 4 OFF gt ON DIAL 1 5 OFF gt ON DIAL 2 1 FORCED ON 9 SR OPTIONS 2 OFF IDLE ONLY STORED NUMBER TO 3 OFF LOCD ONLY 1 PHONE NUMBERQEDIT 1 10 NNNNNNN 4 OFF TEST ONLY 5 OFF TEST IDLE 2 EDIT SC SPEED CALL TO 6 OFF TEST LOCD 4 DIAL OPTIONS EDIT 1 10 NNNNNNN 3 EDIT AD NNNNNNN 4 AUTO ANSWER 1 DISABLED 2 ENABLED 5 RS366 EON 1 DISABLED 2 ENABLED 6 RING AGAIN 1 DISABLED 2 ENABLED COMMAND HH 5 MANUAL COMMANSCOMMAND 00 VALUE 00 61200 01512 1 Figure 4 1 Complete Configuration Menu DSU III S2W User M anual 29 Chapter 5 Configuring Network Options NETWORK OPTIONS The NETWORK OPTIONS configuration parameters control the loop operation of the DSU III S2W Once a parameter is set Command Accepted is displayed briefly before returning to the active menu Echo Cancel The ECHO CANCEL option enables disables a PCM encoded 2100 Hz tone transmitted for one half second that causes the digital network to disable echo suppressors and echo cancellers so that digital signals proceed unimpeded 61200 01512 1 DSU Ill 2W User M anual 31 Chapter5 Configuring N etwork O ptions 1 DISABLE 2 ENABLE ORIG ENABLE ANS 3 TEST OPTIONS 4 DIAL OPTIONS 5 MANUAL COMMAND F
31. Ill 2W User M anual 73 Chapter11 Testing and Troubleshooting Test Sequence for Troubleshooting New Installs or Existing Circuits If your DSU is suspected of having problems is receiving excessive errors requiring retransmission of data is receiving excessive errors requiring retransmission of data tics Do this Perform a Self Test to determine the unit is in good health Perform a DTE with Test Pattern to determine if the unit s internal transmitter and receiver is operating error free Perform a Remote Test to verify the connection between the local and remote unit is error free Run the test using all available test patterns A call must first be established before performing any remote diagnos If an external BERT Bit Error Rate Tester is available these additional tests may be performed DTE amp Loop Test DTE Only Test Loop Only Test Ifthe unit fails any of these tests or the problem has not been determined contact ADTRAN Technical Support see inside back cover 74 DSU III S2W User M anual 61200 015121 Chapter11 Testing and Troubleshooting LOCALUNITDIAGNOSTICS 61200 01512 1 The local DSU III S2W can perform six different tests see Table 11 C Table 11 C Test AT Commands Front AT 1 DTE amp Loop LL amp T10 TD RD and RX TX Loopbacks Loop Only RI amp 111 RX TX Loopback at Network Inj D n 8111 O d TD Customer Transmit Data RD
32. LEI 5 MANUAL COMMAND 6 RING AGAIN Figure 8 5 Selecting RS366 EON Option 56 DSU Ill 2W User M anual 61200 01512 1 Chapter8 Configuring Dial O ptions Ring Again When the RING AGAIN option is enabled the DSU III S2W automatically redials the far end if busy This option must be purchased from the telco provider The factory default setting is DISABLED 1 NETWORK TYPE 1 PHONE NUMBER Figure 8 6 Selecting Ring Again Options Table 8 E AT Commands for Ring Again Panel Command Descriptions DISABLED R Ring again disabled Front AT 11 1 2 ENABLED Ring again enabled 61200 01512 1 DSU III S2W User Manual 57 Chapter8 Configuring Dial O ptions 58 DSU Ill 2W User M anual 61200 01512 1 Chapter 9 Manual Command MANUALCOMMAND The MANUALCOMMAND option is a shortcut method for entering configuration and control commands for the DSU III 52W The first display prompts the user to enter the command number COMMAND 00 Figure9 1 shows the menu path for MANUALCOMMAND The available manual commands are listed in Table 9 A 1 NETWORK OPT 4 DIAL OPTIONS COMMAND 0 MMAND UALUE 00 5 MANUAL COMMA Figure 9 1 Manual Command 61200 01512 1 DSU III S2W User Manual 59 Chapter 9 Manual Command Use the number keys to enter the hexadecimal command number Press Enter to complete Once the command number is entered the display shows both the command number and the present valu
33. REMOTE DSU CSU DSU CSU Error Test Pattern Inject Generator Test Pattern Detector Figure 11 13 Test Pattern Only Test Purpose Testing using a test pattern is used for the following purposes Transmits user selected test pattern using an internal test pattern generator and compares the received data using an internal test pattern detector to detect if there are any errors on the circuit 84 DSU Ill 2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting Injects errors and verifies the unit transmits data across the communication circuit to the remote unit Helps determine from which direction the circuit is receiving errors Initiating Follow the menu path outlined in Figure 11 14 to initiate a test using a test pattern 1 DTE amp LOOP LL 1 LOCAL UNIT 122047 PATTERN 2 511 PATTERN 4 DTE WITH TP 5 TEST PATTERN 2 REMOTE UNIT Figure 11 14 Initiating a Test Using a Test Pattern Interpreting Test Results The display should show the following TST ERR 0000 61200 01512 1 DSU III S2W User Manual 85 Chapter11 Testing and Troubleshooting Self Test The Self Test verifies current operation of the DSU III S2W It can be performed at any time and is recommended if there is any question about the DSU s health Test Purpose To determine if the DSU is functioning properly Initiating Follow the menu path outlined in Figure 11 15 to initiate a self
34. Results ereiaro e E e eene tenent 81 DTE With Test Pattern sesion p Ge RR us aus Sans 82 Test Purpose amaia 82 Initiating rs int basin n E n 82 Interpreting Test Results mosina e a A S tenerent 83 E 84 TESEI POS rosada ida 84 A O 85 Interpreting Fest Results oits per eem ette eee edente ets 85 Self T stincc eet eodein anim rice bi mts 86 lestl rp oses i ame on tesi dete hele to ntes terere ied onte 86 liii E 86 Interpreting Test Results igoe a Saa EAE A tenen 86 Remote Unit Diagnostics sssssseeseeeeeeeenene nennen eene nennen ntt nnne 87 lestP rpose abo Aaah Hee ce teret diee aaa 88 Initiating E E eani E vitat Mese aula 88 Test Results n cantine se iaa eee Ree ne m e teehee dre 88 Interpreting Test R sultSu r apna lna SS a Su tenen 88 Chapter 12 Status Selection Status DISp ayu upas ER A TA 89 JDSUOperatio alStatuSu a ES n Spa 90 Data M dem te eia bbden bota ay apis sssi 90 Network Status sitas un odds 90 Incoming Call DTICACtive a aiiai ii eene 90 Data Mode Loop is Normal sse 90 Idle I ossot TCM Sync dtt m emittere dete 90 DTER3016 a ities tii sine tea dali aee 90 DTE56KSync7 TxCIKN0rm 5 itte itt et tte 90 iv DSU III S2W User M anual 61200 01512 1 Table of Contents DTECIOCK 1 A ege A Id 90 DTE Control Leads and Status assasi yayata etre tern deter ce 91 Appendix A AT Commands
35. S ag Syntax and Possible Responses u CIC Connect Incoming Call u eene CNL Configuration Local see eee eene nnns Switched 56 Operation u A H S asa aasan q nennen CRN Call Request with Number a CRS Call Request Using Stored Number sss DIC Disregard Incoming Call sse 61200 01512 1 DSU I1152W User M anual Table of Contents PRN Program N mb t ia lt tte 16 RLN Request List of Numbers esee een eee 17 Chapter 3 Operation Mena St oed eter n Hil Ho RE HO IDE RO 19 LCD Display of the Main Menu sssseseeeeeeneneneee entente 19 Main Mentos nite e ai aia 20 Stats ice nee ee ere e adt e m e eta ee ase 20 NOSE cree O mu UE OO PIE ETRE 20 Configuration CONFIG trt a 20 A 20 Basic Menu Travel casi A RE AAA a pi 21 Front Panel m hone emule REP 23 TED Wind Wise sedit ivi 23 Entetiiiinuunatinoe gain n BEAD POUR EORR 23 Numeric Keypad e eo eee ie dece ees tese 23 Ma u aa Gu teh ion EE ERE 23 ed 24 Cancel iius ur bre Hue ei pon OH riesen iiie 24 Up and Down Artow s xs ach tette nte reete ee ree rer pee 24 LED Description s R ie oa eai aeaa raas e AERE nnne teen nent 24 Realities 25 Chapter 4 Configuration Overview Local Configuration ede Ree e suu caian qS er inte i inten De teer ten 27 Chapter 5 Configur
36. anual 61200 01512 1 Chapter 11 Testing and Troubleshooting TESTOVERVIEW The DSU III S2W performs a variety of diagnostic functions that isolate portions of the circuit to identify the problem source Tests may be initiated and terminated from the front panel or the DTE interface In asynchronous mode AT commands can control the testing from the DTE interface For synchronous operation V 25 bis commands can provide test control LOCAL REMOTE DTE DSU CSU DSU CSU DTE TD Tx i Tx Tx TX ky TD 4 RD Rx i Rx Rx li Rx RD D Figure 11 1 E Normal Operation Before Initiating Loopback Test vi y All diagnostic tests disrupt data flow CAUTION 61200 01512 1 DSU Ill 2W User M anual 67 Chapter11 Testing and Troubleshooting Initiating a Test Initiate tests using the following procedure 1 Select Test from the Main menu by pressing 2 then press Enter 2 Specify local or remote testing by selecting the corresponding number followed by Enter 3 Use the Up and Down Arrows to view test options 4 Selecta test from the available options by pressing the corre sponding number followed by Enter The example in Figure 11 2 shows the menu path for initiating a local DTE and Loop test 1 DTE amp LOOP LL 3 DTE ONLY 4 DTE WITH TP 5 TEST PATTERN 6 SELF TEST 2 TEST 2 REMOTE UNIT Figure 11 2 Initiating a Test Onc
37. aun ua niana uathuy yasa 46 Figure6 9 Setting SR Optioris yuana ayayaw uyu suhu 47 vi DSU III S2W User Manual 61200 01512 1 Table of Contents Figure 7 1 Setting Test Timeout Option a 49 Figure 7 2 Remote Digital Loopbacku a sse eet 50 Figure 7 3 EIA Local Loopback Options sse 51 Figure 7 4 ETA Remote Loopback Options sss 52 Figure8 1 Editing Stored Phone Numbers sese 53 Figure 8 2 Editing Speed Call Numbers esses 54 Figure8 3 Editing Auto Dial Numbers sess 55 Figure8 4 Enabling Disabling the Auto Answer Function a 56 Figure8 5 Selecting RS366 EON Options a 56 Figure 8 6 Selecting Ring Again Options u u 57 Figure9 1 Manual Command aaa asnashan aaa aye nennen 59 Figure 10 1 Dial OptionsiMe 0x uya suasana nanashan saa nennen 63 Figure 10 2 Path to Storing Numbers sse 64 Figure 10 3 Entering Dial Number ana anan tenen kis aki 64 Figure 10 4 Path to Speed Calling iisisti nres itaniti iaeaea istinita iiis 65 Figure 10 5 Path to Auto Dialing L a pana bua akan ennt 66 Figure 11 1 Normal Operation Before Initiating Loopback Test 67 Figure 11 2 Initiating a TesE suwaytaqa tita ashasskusqaykaykaiyasqyayyiayayaynaysyha 68 Figure 11 3 Sample Test Status Displays 69 Figure 11 4 Complete Test Menu
38. carriage return ASCII 013 but it can be changed by writing a different value to register S3 Before the terminating character is transmitted the command line can be edited by using the backspace character ASCII 008 to erase errors so the proper commands can be entered Valid AT commands for the DSU III S2W are listed in the appendix AT Commands DSU Ill S2W User M anual 61200 01512 1 Chapter2 Installation V 25 bis Commands When configured for the V 25 bis option the DSU III S2W accepts in band dialing and configuration commands from both synchro nous and asynchronous DTE ports The V 25 bis option supports the following protocols SDLC HDLC e Bi Sync Asynchronous SDLC HDLC Option Bi SyncOption 61200 01512 1 Character Format e Data bits 8 Parity bit Ignored Command Structure F A C V 25 bis COMMAND FCS F The address field A is FFH The control field C is set to 13H except for cases of multi frame responses For this case the control field is set to 03H in all but the last frame The 03H in the control field indicates that other frames are to follow while the 13H in the control field indicates the final frame Character Format e Data bits 7 Parity bit Odd Command Strudure SYN SYN STX V 25 bis COMMAND ETX DSU III S2W User Manual 13 Chapter2 Installation Asynchronous Option Character Format e Startbit 1 e Data bits 7 Paritybit Even e St
39. customer to pay for high speed data transfer only when a call is active The dial up service is delivered by a 2 wire local loop up to 14 000 feet long on 26 AWG The DSU III S2W uses a bipolar return to zero type of signal ina ping pong Time Compression Multiplexing format Another basic component of DATAPATH technology is T Link rate adaption protocol which adapts user data rates into network transport bit streams of 56 or 64 kbps The units will connect and negotiate the most efficient rate at which to send data The ADTRAN DSU III S2W can communicate and rate adapt with any T Link compatible device It can also interface with non T Link compatible devices at 56 or 64 kbps allowing the user to place a call to a 4 wire SW56 network or ISDN device DSU III S2W User Manual 3 Chapter1 Introduction WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails while in service For detailed warranty repair and return information refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure Return Material Authorization RMA is required prior to returning equipmentto ADTRAN For service RMA requests or further information contact one of the numbers listed on the inside back cover of this manual 4 DSU III S2W User M anual 61200 015121 Chapter 2 Installation UNPACK INSPECT POWER UP Receip
40. e ocal LOOpDac 18 LL Data Terminal Ready TR Remote Loopback RL 21 22 Ring Indicator RI 24 25 r o 21 a 24 DA External TX Clock ETC 25 est Indicator TI DSU Ill S2W User M anual 61200 01512 1 Chapter2 Installation Table 2 C Pin Assignments for Primary V 35 Connector A 101 Protective Ground PG B 102 Signal Ground SG Remote Loopback RD External TX Signal Element SCX Test Indicator T 61200 01512 1 DSU Ill 2W User M anual 9 Chapter2 Installation DIALPORTCONNECTION If used the DTE dialing interface should be connected to the EIA 366 232 connector The DIALPORT connector services an ELA 366 Type III interface The pinout for the connector when used as EIA 366 is shown in Table 2 D Table2 D Pin Assignments for DIALPORT Connector Description D 5 Om oJ al Shield for cable Digit Present Abandon Call and Re all Request Present Next Digit Power Indicator Signal Ground e ell _ O a O O jO O Distant Station Conn noc pi Je 1 fe A 1 Ooo T ji O Ooo T gt O O ds O JJ ES z m Digit LSB Digit Bit 2 Digit Bit 3 Digit MSB Receive Common Send Common Data Line Occupied 8 thru 1 N N A No Connection 20 21 2 thru 25 zzz Bes mj 2 a 10 DSU Ill 2W User Manual 61200 01512 1 Chapter2 Installation CONAGURATION The DSU III S2W con
41. e VAL CNX and CFIxx CNL Configuration Local This command is used to pass AT commands to the local modem via the V 25 bis command processor This allows the DSU III S2W to be configured with AT commands via a synchronous interface The command has the following format CNL AT ONE OR MORE AT COMMANDS Responses to CNL commands are returned in the data format currently configured Possible responses include VAL and INVn Switched 56 Operation CRN Call Request w ith Number When the DSU III S2W is configured for SW56 operation the CRN command causes the DSU to dial the supplied number The command s format follows CRN NUMBER TO BE DIALED If no number is included in the command the number stored in dialregister number 1 is dialed If no number is provided and no DSU Ill 2W User M anual 15 Chapter2 Installation 16 number is stored in dial register number 1 the DSU II S2W responds with the call failure indication CFINS Call Failure Indication NotStored Possible responses include VAL CNX and CFIxx CRS Call Request Using Stored Number The CRS command causes the DSU III S2W to dial the number stored in the specified register The format of this command is as follows CRS OPTIONAL SPACE REGISTER NUMBER 1 10 If this command is issued without the register number parameter the INVPS Invalid Parameter Syntax response is issued If this command is issued and the
42. e a test is initiated Please Wait is displayed briefly followed by the Status screen 68 DSU Ill 2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting Test Status Display The Test Status display appears automatically during a test The Test Status display is similar to the status screen described in the chapter Status Selection with additional prompts for the type of test and the number of errors for tests with a test pattern Figure 11 3 shows an example of a Test Status Display for a test with a test pattern While this menu is on the display Press 1 to clear errors Press 2 to inject an error rj EST PATTI TST ERR LOOP 56K DTI TR SR OFF OFF OF E UNIT IN E 56K SYNC Use the Up and Down arrows to display other status screens LLB RLB OFF TEST LOOP IS NOR AL Figure 11 3 Sample Test Status Displays Exiting a Test During a test press Quick to access the Exit Test Display Status menu or press Cancel to return to the Main menu The Exit Test Display Status menu provides the following options which are available only after a test has been initiated Exit Test exits the current test and returns to the Main menu Display Status reenters test display 61200 01512 1 DSU III S2W User Manual 69 Chapter11 Testing and Troubleshooting 1 LOCAL UNIT 2 TEST 2 REMOTE UNIT 70 1 DTE 8 LOOP LL STATUS DISPLAM1 EXIT TEST 2 DISPLAY STATUS
43. e or setting for the command The command value can be edited or reissued with the existing value COMMAND XX VALUE 00 Use the number keys to enter the hexadecimal value Press Enter to complete The system briefly displays COMMAND ACCEPTED and returns to the active menu 60 DSU III S2W User M anual 61200 01512 1 61200 01512 1 Chapter9 Manual Command Table 9 A Manual Commands ATCommandEcho IAT Resultcode IAT Long or Short code Reng form j 86 C C 00 00 pe Load Factory Opt Option Set 1 CT 8A 00 02 Store User Profle SavetoProfle0 n 91 00 Select User Profile x Power Up Profile o 93 00 DSU Ill 2W User M anual 61 Chapter 9 Manual Command 62 DSU Ill 2W User M anual 61200 01512 1 Chapter 10 Dial Selection DIALOPTIONS The DIAL selection available in the Main menu 4 Dial includes options for manual dialing redialing and dialing stored numbers Figure 10 1 shows the menu path used to access these options Dial Stored This option allows a previously stored number to be dialed The numbers are stored within the CONFIG selection Figure 10 2 shows the menu path used to access the Phone Numbers option 1 DIAL STORED Yelect Stored Numbe 2 ENTER DIAL Figure 10 1 Dial Options Menu 61200 01512 1 DSU III S2W User Manual 63 Chapter 10 Dial Selection
44. ed to set the TRANSMIT CLOCK option The default setting is NORMAL 1 NETWORK OPT 1 DTE RATE 2 CONNECTOR TYPE 3 DATA FORMAT 4 DTE CMD OPTION 2 DTE OPTIONS 1 NORMA 5ZTRANSMIT CLOQR EXIEHN 6 CS OPTIONS 3 CONFI 7 CD OPTIONS 8 TR OPTIONS 3 TEST OPTIONS 9 SR OPTIONS 4 DIAL OPTIONS 5 MANUAL COMMAND Figure 6 5 Transmit Clock Options Table 6 D shows the AT commands used to set the Transmit Clock option Table 6 D Transmit Clock AT Commands Front AT ipti 1 NORMAL TX clock from DSU selected 2 EXTERNAL ETC clock from DTE selected 61200 01512 1 DSU III S2W User Manual 41 Chapter6 Configuring DTE O ptions The EXTERNAL clock option is normally used in modem tail circuit applications ADSU to modem interconnect diagram for this application is shown in the appendix DSU to Modem Intercon nect The EXTERNAL clock option is also recommended when the EIA 232 connector is used for 56 kbps and 64 kbps applications A special DSU cable diagram for this application is shown in the appendix EIA 232 Connector Using this option and special cable eliminates data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver 42 DSU Ill 2W User M anual 61200 01512 1 Chapter6 Configuring DTE O ptions CS Options The CS OPTIONS clear to send menu is used to select one of five different control modes for the CS lead Figure 6 6 shows the menu path used to access the C5 OPTIONS menu The defa
45. ee nene 72 Table 11 B Troubleshooting New Installs U Q 73 Table 11 C Test AT Commands esses eene nennen 75 Table11 D DTE with Test Pattern Commands sss 75 Table11 E Remote Tests and AT Commands sess ee 87 Table AA AT Commands en tese eene ee rte ecd lence Sen eret 93 TableB A Default Configuration Profiles uu 96 List of Figures Figure 1 1 Sample Point to Point Application for DSU III S2W ssssss 2 Figure3 1 Example of Basic Menu Travel uu 22 Figure 3 2 DSUTITS2W Front VieW oido diia 23 Figure3 3 DSU TITS2W Rear View uh nahua hp u nennen 25 Figure4 1 Complete Configuration Menu u 29 Figure5 1 Setting Echo Cancel Options u 32 Figure5 2 Enabling Disabling Adapt U Q 33 Figure5 3 Adjusting the Volume Level Q 34 Figure 6 1 DIE Rates conoci cit eds SII o augen deg EU TTG e e eae en 36 Figure6 2 Selecting the Connector Type a 37 Figure6 3 Selecting Asynchronous or Synchronous Data Format 38 Figure6 4 Selecting DTE Command Option sess 39 Figure 6 5 Transmit Clock Options sse 41 Figure6 6 Selecting CSOPHONS rss suu ua n n a eene nennen 45 Figure 6 7 Selecting CD Options suaiun ani ae ireanii reia 45 Figure 6 8 Selecting IROptOnsSie
46. ent test modes and specifies the maximum test time allowed Test Timeout The TEST TIMEOUT option sets the length of time a DSU III S2W remains in a test mode before automatically returning to the data mode Enter the timeout from 0 to 255 seconds The factory default setting is off 0 Figure 7 1 shows the menu path used to access TEST TIMEOUT 1 NETWORK OPT 2 DTE OPTIONS 1 TEST TIMEOWHNTER TIMEOUT 3 TEST OPTIONSI2 RDL EN DIS 3 EIA LLB EN DIS 4 EIA RLB EN DIS 4 DIAL OPTIONS Figure 7 1 Setting lest Timeout Option 61200 01512 1 DSU Ill 2W User M anual 49 Chapter 7 Configuring TestO ptions Table 7 A shows the equivalent AT commands for setting the TEST TIMEOUT Table 7 A Test Timeout AT Commands Front AT ME Panel Description Specify 0 255 seconds test Remote Digital Loopback The RDL Remote Digital Loopback option specifies whether or not the DSU III S2W responds to an RDL request from the far end of the circuit The factory default setting is RDL ACCEPTED Figure 7 2 shows the menu path used to access this option 1 NETWORK TYPE 2 DTE OPTIONS 1 TEST TIMEOUT 4 EIA RLB EN DIS 4 DIAL OPTIONS Figure 7 2 Remote Digital Loopback Table 7 B shows the equivalent AT commands for setting the RDL option Table 7 B Remote Digital Loopback AT Commands Front AT 1 RDLIGNORED amp T5 RDL request from remote DS 2 RDL ACCEPTED amp T4 DL request accepted
47. for the following purposes Verify integrity of the DTE interface Verify integrity of connection between DTE and DSU III S2W Follow the menu path outlined in Figure 11 12 to initiate a DTE Test using a Test Pattern DSU Ill S2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting 1 DTE 8 LOOP LL 122047 PATTERN 2 511 PATTERN 3 STRESS PTRN 1 4 STRESS PTRN 5 STRESS PTRN 1 6 STRESS PTRN 4 DTE WITH TP 5 TEST PATTERN 1 LOCAL UNIT 2 REMOTE UNIT Figure 11 12 Initiating a DTE Test with Test Pattern Interpreting Test Results The DSU III S2W displays DTE WITH TP TST ERR XX The first line of the display indicates the type of test being per formed while the second line of the display indicates the number of errors accumulated by the test pattern detector If errors occur during this test the test error count can be reset to zero by pressing 1 To verify proper operation of this test single bit errors can be injected into the transmitted test pattern by pressing 2 These errors appear on the TST ERR display 61200 01512 1 DSU III S2W User Manual 83 Chapter11 Testing and Troubleshooting Test Pattern The Test Pattern option converts the local DSU III S2W into a BERT tester for the purpose of testing the circuit When this testis used the remote DSU CSU must be in loopback or transmitting a test pattern Figure 11 13 illustrates the data paths for this mode LOCAL
48. g a p from the telco If LOSS OF TCM SYNC problem persists CO telco provider elco activated a elco Is testing circlWait until test is co CO TEST loopback to test the or contact telco ser circuit provider Acknowlea d or WAITING FOR PTS RATE NEGOTIATION answer an incoming INCOMING CALL but is unable to Options 72 DSU Ill 2W User Manual 61200 01512 1 Chapter11 Testing and Troubleshooting Troubleshooting New Installs Before initiating diagnostics on a newly installed unit and before contacting ADTRAN Technical Support please check the items in Table 11 B to ensure the unit is configured properly After verifying the items listed in Table 11 B the unit should operate properly and display the following IDLE LOOP IS NORMAL If a status message other than IDLE LOOP IS NORMAL is shown begin performing diagnostics described in the section Test Sequence for Troubleshooting New Installs or Existing Circuits Table 11 B Troubleshooting New Installs Configuration 3 Select the type of DTE interface optio DTE Type EIA 232 or V 35 connect to the DSU CSU from the Configuration menu Data Format Async or Sync a a to pe useR iro Verify DTE cable connection to the pro DTE Gable connector on the DSU CSU Verify the telco cable is securely con Pelco Cable N A lio DSU CSU and wall jack Power the unit N A Verify the unit passes self test during Off and then On displayed on the LCD 61200 01512 1 DSU
49. h a public switched telephone network is retained 61200 01512 1 DSU Ill S2W User Manual 107 Glossary LATA Local Access and Transport Area One of 161 local geographical areas inthe US within which a local telephone company may offer telecommunications services local or long distance local DTE and loop test A test initiated by the user that loops the DSU to the central office and back This is used to test the local DSU s DTE and local loop nonvolatile memory Memory that is not lost when the power is shut off parity bit A binary bit appended to an array of bits to make the sum of all the bits always odd oralways even RDL Remote digital loopback ROM Read only memory A memory device which is programmed at the factory and whose contents thereafter cannot be altered SDLC Synchronous data link control A bit oriented synchronous communications protocol developed by IBM where the message may contain any collection or sequence of bits without being mistaken for a control character service The provision of telecommunications to customers by a common carrier administration or private operating agency using voice data and or video technologies SNMP Simple network management protocol A control and reporting scheme widely used to manage devices from different vendors SNMP operates on top of the Internet protocol 108 DSU III S2W User M anual 61200 01512 1 Glossary SR Data service unit A signal from the DC
50. he telco connector are listed in Table 2 A Table 2 A Pin Assignments for Telco Connector Noused 1 C Nous ee DE Gs R Network interface ring po Notused Notused_______________ T i DSU III S2W User Manual 7 Chapter2 Installation DTEDATA CON NECTION PRIMARY DTE vil YY CAUTION The primary DTE should be connected to either the ELA 232 DTE connector or the CCITT V 35 DTE connector The maximum cable lengths recommended are 50 feet for the ELA 232 and 100 feet for the CCITT V 35 The pin assignments for the connectors are listed in Tables 2 B and 2 C The V 35 connector is recommended for use with data rates above 19 2 kbps The EIA 232 connector works up to 56 kbps with a low capacitance cable or with the external transmit clock option selected The primary DTE rate is configured from the front panel The primary DTE can operate in asynchronous or synchronous modes To prevent possible radio frequency interference emissions a shielded cable is required Table 2 B Pin Assignments for Primary ELA 232 Connector Description Protective Ground PG BA Transmit Data TD Receive Data RD Hequest to Send RS CB Clear to Send CS Qo Data Set Ready SR AB Signal Ground SG CF Received Line Signal Detector 12 Test Point 12 Test Point DB Transmit Clock TC D Receive Clock RC a GU a CE Pe ECC E 10 73 s
51. his equipment to be disconnected from the network until the problem is corrected or itis certain the equipmentisnot malfunctioning This unit contains no user serviceable parts An FCC compliant telephone cord with amodular plug is provided with this equipment This equipment is designed to be connected to the telephone network or premises wiring using an FCC compatible modular jack which is Part 68 compliant The following information may be required when applying to the local telephone company for leased line facilities Service Digital Facility ServiceOrder Network Type Interface Code Code Jacks 24 kbps Digital Interface 04DU5 24 6 0F RJ 485 4 8kbps Digital Interface 04DU5 48 6 0F RJ 485 9 6kbps Digital Interface 04DU5 96 6 0F RJ 485 56 kbps Digital Interface 04DU5 56 6 0F RJ 485 FEDERALCOMMUNICATIONSCOMMISSION RADIOFREQUENCYINTERFERENCESTATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful interference in which case the user
52. ices 61200 01512 1 DSU III S2W User Manual 109 Glossary V 35 CCITT standard for trunk interface between a network access device and a packet network that defines signaling for data rates greater than 19 2 kbps VT 100 A non intelligent terminal or terminal emulation mode used for asynchronous communications Used to configure the ADTRAN SMART 16 Shelf 110 DSU Ill 2W User M anual 61200 01512 1 Index A adapt 33 AT commands 33 alarm indication 24 ALM 24 answer AT command 93 asynchronous option 14 asynchronous rates 103 AT commands 12 67 75 answer 93 auto answer 56 94 auto dial 66 CD option 45 CS option 43 CS options 94 data format 38 DCD option 94 dial auto dial number 93 dial number 93 dial speed call 93 dial stored 64 dial stored number 93 DTE data format 94 DTE rate select 94 DTR option 94 echo 93 edit AD 55 61200 01512 1 edit SC 54 EIA local loopback LLB 51 EIA remote loopback RLB 52 enter dial 65 front panel 94 go online 93 hang up call 93 LLB control 94 network echo canceler 94 phone number 54 store 94 power up user profile 94 re execute 93 read S register 93 remote digital loopback 50 reset 94 restore factory options 94 result code display 93 result code from 93 ring again 57 ring again control 93 RLB control 94 RTS CTS delay 94 S register read 93 write 93 select test pattern 94 serial number set 94 DSU I11S2W User M anual 111 Index
53. iguration Profiles Table B A Cont d Default Configuration Profiles O 5 T Test Options Test Options RDL En Dis RDL Accept adR DL Accept PDL Accept PDL Accepta ElA Controlled LLB EIA Controlled RLB_____ Disable Disable Disable Disable Dial Options Auto Answer Disable Enable Enable Enable 61200 01512 1 DSU Ill 2W User M anual 97 Appendix B DefaultC onfiguration Profiles 98 DSU Ill 2W User M anual 61200 01512 1 Appendix C DSU to Modem Interconnect MODEM TAIL CIRCUIT APPLICATION A DSU to modem interconnect diagram for a modem tail circuit application is shown in Figure C 1 RG lt ETC ETC lt RC M D O S mm RD gt TO m E i TD lt gt RD For Multi drop requirement DCD RTS RTS lt DCD Figure C 1 DSU to Modem Interconnect 61200 01512 1 DSU Ill 2W User M anual 99 Appendix C DSU to M odem Interconnect 100 DSU Ill 2W User M anual 61200 01512 1 Appendix D EIA 232 Connector 56 AND 64 KBPS APPLICATION The EIA 232 connector shown in Figure D 1 may be used for 56 and 64 kbps applications Using the External clock option and this cable should eliminate data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver When creating this cable at the DTE interface ELA 232 connector tie transmit clock lead TC to external transmit ETC as shown
54. igure 5 1 Setting Echo Cancel Options The default factory setting is ENABLE ANSW The selections are listed in Table 5 A with the equivalent AT commands that perform the same configuration functions Table 5 A Echo Cancel Commands 1 DISABLE Echo cancel disabled 2 ENABLE ORIG Echo cancel on originate ENABLE ANS 4 ENABLE BOT Echo cancel on originate and an 32 DSU Ill 2W User M anual 61200 01512 1 Chapter5 Configuring N etwork O ptions Adapt The ADAPT option enables disables the DSU to rate adapt to its far end unit Figure 5 2 shows the menu path used to enable or disable ADAPT The factory default settingis ENABLED The NO T LINK 57 6 selection disables the T link operation when 56K 57 6K is selected for immediate connection to a non T link far end unit NOTE 1 ECHO CANCEL 1 NETWORK_ OPT 2 DTE OPTIONS 1 DISABLED Figure 5 2 Enabling Disabling Adapt Table 5 B shows the AT commands for this option Table 5 B Adapt Commands Front AT ipti DISABLE Disables Adapt 1 2 ENABLE Enables Adapt 3 NO T LINK 54 6 TL2 Disables T Link operation 56K 57 6K 61200 01512 1 DSU III S2W User Manual 33 Chapter5 Configuring N etwork O ptions Volume Control The VOLUME CNTL option allows the volume level to be adjusted Figure 5 3 shows the menu path for controlling the volume The factory default setting is OFF 1 ECHO CANCEL 1 NETWORK_ OPT 2 DTE OPTIONS Figure 5 3
55. igure 6 7 1 NETWORK OPT 2 DTE OPTIONS 3 TEST OPTIONS 1 DTE RATE 2 CONNECTOR TYPE 3 DATA FORMAT 4 DTE CMD OPTION 3 CONFI DIAL OPTION 5 RANSM OCK 5 MANUAL COMMAND 6 CS OPTIONS 1 FORCED ON 7 CD OPTIONS 2 NORMAL 8 TR OPTIONS 3 0FF WITH LOC 9 SR OPTIONS Figure 6 7 Selecting CD Options Table 6 G shows the equivalent AT commands for setting CD options Table 6 G CD Options AT Commands Front AT 1 FORCEDON amp C0 On all the time 2 NORMAL On only when data present o 3 OFF WITH IS a6 On except after disconnect i Switched 56 application 61200 01512 1 DSU III S2W User Manual 45 Chapter6 Configuring DTE O ptions TROptions The TR OPTIONS menu is used to select the DSU III S2W re sponse to the data terminal ready TR lead The factory default setting is IDLE WHEN OFF see Figure 6 8 1 DTE RATE 1 NETWORK OPT 2 CONNECTOR TYPE 2 DTE OPTIONS DATA FORMAT 1 IGNORED 3 CONFI 8 TEST OPTIONSM DTE CMD OPTION _ 2 LEASED LINE 46 4 DIAL OPTIONS 5 TRANSMIT CLOCK 3 IDLE WHEN OFF 5 MANUAL 6 CS OPTIONS 4 OFF gt ON DIAL 1 7 CD OPTIONS 5 OFF gt ON DIAL 2 8 TR OPTIONS 9 SR OPTIONS Figure 6 8 Selecting TR Options Table 6 H shows the equivalent AT commands for setting TR OPTIONS Table 6 H TR Options AT Commands Front AT 1 IGNORE Ignore the TR input 2 LEASED LINE amp D1 Virtual leased line stored with DTR active 3 IDLE WHEN O amp D2 R off will cause the DSU ti on hook idle
56. ing Network Options Network Options tee tette ee er dede sitiar eode dea e ERE 31 Echo Cancel ien tede nene a tee e e 31 Adapt 33 Volume Control nter qaqapa a haku e dec te nde trees 34 Chapter6 Configuring DTE Options DTE Options EASE en iore 35 DIERate cantina aped spite alas a Lasts 25 35 Connector Type x cave estas sue ene Get ed rette due ae dias 37 Data Format ooi cea alii 38 DIE Command Opt nro see tem dades ie ane uit 39 TransmitGlock aiii ee e m eae e iei pde 41 CS ODpHOTDS ie oe edem Puas AH EU dere e pa dete a se Stee EEE 43 ii DSU III S2W User M anual 61200 01512 1 Table of Contents CDOptions ctetu A Ai 45 TR OptOts 5 iie nitent RNET e 46 SR Options ueiusactimiasspht ea auae ner d i qe ned bre ts 47 Chapter 7 Configuring Test Options Test Opus deg tiet a eieo Serrie Ea tete data 49 est Hfeout ibo Dead ilte datei db e e HERE D oat 49 Remote Digital Loopback y y a Du u eene nnne tenere 50 BIA LocalLoopback eie RR RR eite ete iere asus 51 BIA Remote Loopback u o et ied nte etie a ipea 52 Chapter8 Configuring Dial Options Dial Options i ent RO IERI RUD a aa asnu ah uma 53 Phone Number 2 eite tte ie mde tede e fieret eet 53 e CERE 54 Edit ADI iit eee pe pete e nete e m a es tui rati eet 55 Auto ATS W Cle ion ae man dite i e eth tinea 55 regu 56 A utendo biam ertasae saute aa usss 57 Chapter 9 Manual Command Manual
57. is invalid the INVPV response is returned When a correct register number is entered the following response is returned LSN R EGIST ER NUMBI ER NUMBI ER STORI ED VAL If no register number is present in the command the DSU III S2W responds with a list of all the registers and the stored numbers This list is followed by the VAL response DSU Ill S2W User M anual 17 Chapter2 Installation 18 DSU Ill 2W User M anual 61200 01512 1 Chapter 3 Operation MENU STRUCTURE The DSU III S2W uses a multilevel menu approach to access its many features All menu operations are displayed in the LCD window The opening menu is the access point for all other operations There are four Main menu branches Status Test Configuration and Dial Each Main menu item has several functions and sub menus to identify and access specific parameters LCD Display ofthe Main menu 1 STATUS 2 TEST 3 CONFIG 4 DIAL To choose an item press the number on the keypad corresponding with that item That item will flash on and off to show that it is the currently active choice Pressing either the Up or Down Arrow will deselect the current choice it will stop flashing Press the Enter key to select the item 61200 01512 1 DSU Ill 2W User M anual 19 Chapter 3 Operation Main Menu 20 The following paragraphs briefly describe the Main menu s four branches More detailed information is provided i
58. isplay screen indicates the DTErate The message displayed on this line of the Status display screen indicates the DTE clock source as selected in configuration DSUIIIS2W User M anual 61200 01512 1 Chapter 12 Status Selection DTE Control Leads and Status Four DTE interface leads are displayed with their current status on or off displayed below them The leads are identified as follows TR Data terminal ready SR Data set ready LLB Local loopback RLB Remote loopback 61200 01512 1 DSU Ill 2W User M anual 91 Chapter 12 Status Selection 92 DSU Ill 2W User M anual 61200 01512 1 Appendix A ATCommands 61200 01512 1 Table A A shows the AT commands available for the DSU III S2W Table A A AT Commands Command Title Default Hang Up Call AlVn Resul ode From T lonc orm DSU III S2W User Manual 93 Appendix A AT Commands 94 ATZ AT amp Cn AT amp Dn AT amp Fn AT amp Ln AT amp Qn AT amp Hn AT amp Sn AT amp In AT amp V AT amp Wn AT amp Xn AT amp Yn A amp Znzx AT Kn AT_An AT Cn AT Dn AT Jn A Pn AT Hn Al S xx AT In Table A A Contd AT Commands Network Echo Canceler 2 enable for answer O DTE Data Format CS Options follows RS Id View Current Configuration none p i t nable store User Profile O profile O 2 1 1 0 Transmit Clock 0 Test Commands DSU Ill S2W User M anual 61200 01512 1 Appendix B Default Configuration Profiles D
59. n the individual chapters for each branch Status Status is used to display all relevant information for the network and DTE interfaces It displays the current operating mode loop status DTE data rate and format and TR SR LL and RLDTE interface lead status The display returns to theStatus menu when the front panel is not accessed Refer to the chapter Status Selection for more detailed information Test Test is used to control local and remote testing Select local or remote testing and select the type of test and test pattern when required For more information see the chapter Testing and Troubleshooting Configuration CONFIG Configuration is used to select network and DTE operating param eters This menu branch is divided into several chapters for easier reference The division includes a brief overview chapter followed by aseparate chapter for each of the five sub menus of the CONFIG branch Configuring Network Options Configuring DTE Options Configuring Test Options Configuring Dial Options and Manual Command Dial Dial provides dialing functions Selecta previously stored number key ina number to dial or use the speed call and autodial func tions which must be purchased from the telco provider See the chapter Dial Selection for more information DSU Ill S2W User M anual 61200 01512 1 Chapter3 O peration Basic Menu Travel Four function keys on the left side of the DSU III S2W keypad allow the vario
60. nit 106 DSU III S2W User Manual 61200 01512 1 Glossary DTE Data terminal equipment The computer or terminal DTR Data terminal ready A control signal sent from the DTE to the DCE that indicates the DTE is powered on and ready to communicate EIA 232 Aset of standards specifying various electrical and mechanical characteristics for interfaces between computers terminals and modems Defines the mechanical and electrical characteristics for connecting DTE and DCE data communications devices It defines what the interface does circuit functions and their corresponding connector pin assignments The standard applies to both synchronous and asynchronous binary data transmission EIA 366 An EIA interface standard for autodialing FCC part 15 of class A Radiated and conducted emissions standards set for commercial and industrial use FCC part 15 of class B Radiated and conducted emissions standards set for residential use full duplex A circuit designed to transmit and receive data simultaneously in band Signaling dialing diagnostics management configuration etc over the same channel used for data ISDN Integrated Services Digital Network A network architecture that enables end to end digital connections The network supports diverse services through integrated access arrangements and defines a limited set of standard multipurpose interfaces for equipment vendors network providers and customers Interworking wit
61. nt View The following function descriptions apply to the stand alone S2W LCD Window Displays menu items and messages in 2 lines by 16 characters Enter Selects active menu items To activate a menu item press the number of the item When the menu item is flashing press Enter toselectit Asub menu item is invoked or a configuration parameter is set The display of COMMAND ACCEPTED indicates a valid operation Numeric Keypad The numeric keypad contains the numbers 0 through 9 and alpha characters A through F which are used to activate menu items Numbers 0 through 9 are also used to enter parameters Shift Alpha characters are entered by pressing Shift before each desired character To activate a menu item designated by an alpha charac ter rather than a number display the menu item using the Up and Down Arrows press Shift and then the letter Press Enter to select the item 61200 01512 1 DSU Ill 2W User M anual 23 Chapter 3 O peration If a key is pressed without using Shift the numbered item becomes active instead of the alpha item If this happens repeat the correct procedure Quick During most operations the Quick key returns the display to the Main menu During a test the Quick key returns to the top of the Test menu Cancel The Cancel key stops the current activity and returns to the previous menu Repeat until the desired menu level is reached Up and Down Arrows The Up and Down Arrows scroll through
62. ofiles 95 97 96 97 97 delays 44 DIAL 11 20 63 66 dial auto dial number AT command 93 dial number AT command 93 dial options 27 63 configuration 53 57 dial speed call AT command 93 dial stored 63 AT command 64 dial stored number AT command 93 dialing options 104 dialport 25 connection 10 pin assignments 10 DIC 16 disregard incoming call 16 down arrow 21 24 DSU to modem interconnect 99 DTE primary 8 DTE amp loop LL 76 DTE clock 90 DTE command option 39 61200 01512 1 DSU III S2W User M anual Index DTE connectors 25 DTE control leads 91 DTE data connection 8 DTE data format AT command 94 DTE interface 25 67 103 DTE interface parameters 27 DTE only 80 DTE options 27 35 DTE rate 35 90 AT Commands 36 DTE rate select AT command 94 DTE rates 36 103 DTE status 91 DTE with test pattern 82 DTR Active 90 DTR option AT command 94 echo AT command 93 echo cancel 31 AT commands 32 edit AD 55 AT commands 55 edit SC 54 AT commands 54 EIA local loopback LLB 51 AT commands 51 EIA remote loopback RLB 52 AT commands 52 EIA 232 1 5 8 EIA 232 connector 101 pin assignments 8 EIA 366 dial port 5 enter 21 23 enter dial 64 AT command 65 113 Index environment 104 equipment provided 5 sold separately 5 exit test 69 external clock 42 101 F factory options restore AT command 94 FCC approval 103 front panel 11 ATcommand 94 function keys 21 G go online AT command
63. opbit 1 Command Strudure V 25 bis COMMAND CR LF Command Desaiptions 14 The ADTRAN V 25 bis command set is a subset of the CCITT V 25 bis command set In addition to the CCITT commands supported ADTRAN has added configuration commands for local DSUs The ADTRAN V5 bis command set follows CIC Connect incoming call CNL Configuration local CRN Call request with number CRS Call request using stored number DIC Disregard incoming call PRN Program number RLN Request list of numbers The following list contains possible responses to V 25 bis com mands VAL Valid V 25 command processed INV An invalid command detected CFIET Call failed on switched network busy detected CFIDE Call failed on switched network no wink detected CFINS Call failed no dial string in specified register INVCU Unknown command detected INVPS Invalid parameter syntax INVPV Invalid parameter value INC Incoming call CNX Call connected DSU Ill S2W User M anual 61200 01512 1 Chapter2 Installation If verbose wordy responses are disabled ATVO the following list of three character responses are the only ones returned VAL Valid V 25 command processed INV Invalid command received CFI Call failed INC Incoming call CNX Call connected Syntax and Possible Responses CIC Conned Incoming Call 61200 01512 1 This command causes the DSU to go on line There are no param eters associated with this command Possible indications includ
64. ors is used to connect to the DTE Figure 6 2 shows the menu path used to set the connector type The factory default setting is V 35 There are no AT commands available to set the connector type 1 NETWORK OPT 1 DTE RATE 2 DTE OPTIONS Figure 6 2 Selecting the Connector Type 61200 01512 1 DSU Ill 2W User M anual 37 Chapter6 Configuring DTE O ptions Data Format The DATA FORMAT option is used to select either the SYNCHRO NOUS or ASYNCHRONOUS mode of operation for the DTE interface The factory default setting is SYNCHRONOUS see Figure 6 3 If ASYNCHRONOUS is chosen then byte length parity and stop bit information must be selected The default settings are 8 bit bytes with no parity and one stop bit 1 NETWORK OPT 1 DTE RATE 2 CONNECTOR TYPE 2 DTE OPTIONS 3 DATA FORMAT ASYNCHRONOUS 1 ASYNC 7 BITS 2 ASYNC 8 B 2 SYNCHRONOUS 3 CONFI 4 DTE CMD OPTION 5 TRANSM OCK 6 CS OPTIONS 7 CD OPTIONS 8 TR OPTION 9 SR OPTIONS 3 TEST OPTIONS 4 DIAL OPTION 5 MANUAL COMMAND Figure 6 3 Selecting Asynchronous or Synchronous Data Format Table 6 B shows the AT commands that can be used to set the DATA FORMAT to ASYNCHRONOUS or SYNCHRONOUS Table 6 B Data Format Commands Front AT 1 ASYNCHRONOUB amp QO Always asynchronous 2 SYNCHRONOUS 38 DSU Ill 2W User M anual 61200 01512 1 Chapter6 Configuring DTE O ptions DTE Command Option The DTE COMMAND option is used to enable the DTE interface for
65. rated by a DCE a modem or DSU CD informs the DTE device if the DCE is receiving a carrier signal from the line clocking An oscillator generated signal that provides a timing reference for a transmission link A clock provides signals used in a transmission system to control the timing of certain functions The clock has two functions 1 to generate periodic signals for synchronization and 2 to provide a time base controller card The card installed in slot 1 of an ADTRAN SMART 16 shelf used to connect a VT 100 terminal or DATAMATE for configuring SMART 16 DSU CSU products CPE Customer premise equipment All telecommunications terminal equipment located on the customer premises including telephone sets private branch exchanges PBXs data terminals and customer owned coin operated telephones CS Clear to send A signal from the DCE to the DTE indicating the DTE can send data DATAMATE An ADTRAN designed and manufactured device that provides a hand held means of configuring the SMART 16 shelf The DATAMATE plugs into the front of the controller card and provides a 2x16 LCD display and full numeric keypad dB Decibel A unit of measure of signal strength DCE Data communications equipment A DSU modem or TA DSU Data service unit A device designed to transmit and receive digital data on digital transmission facilities A DSU is the interface between a DTE and either a DMS_100 Data Line Card or a D4 Datapath Extension U
66. single line individualservice may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairsto certified equipment should be made by an authorized Canadian mainte nance facility designated by thesupplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give thetelecommunica tions company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in ruralareas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or an electrician as appropriate The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject only to the requirement that the total of the Load Numbers of all devices does not exceed 100 Table of Contents Chapter 1 Introduction Product Overview uu ioen ie a php pus ass General Datapath Description
67. t Auto Dial option is used to program a single telephone number to be auto dialed This option must be pur chased from the telco provider 1 NETWORK TYPE 1 PHONE NUMBER 6 RING AGAIN Figure 8 3 Editing Auto Dial Numbers Table 8 C AT Command for Auto Dialing AT Edit Auto Dial Number Auto Answer The Auto Answer option is used to specify whether incoming calls are to be automatically answered by the DSU III S2W If AUTO ANSWER is disabled an incoming call can be answered by an AT or V 25 command from the DTE or by raising TR from the DTE Figure 8 4 shows the menu path used to enable or disable this option With AUTO ANSWER enabled the call will be automati cally answered even with TR off used for remote testing The default setting is DISABLED 61200 01512 1 DSU Ill 2W User M anual 55 Chapter8 Configuring Dial O ptions 1 NETWORK TYPE 1 PHONE NUMBER 3 TEST OPTIONS 2 EDIT SC DIAL OPTIONS 5 MANUAL COMMAND 6 RING AGAIN Figure 8 4 Enabling Disabling the Auto Answer Function Table 8 D show the AT Commands available for the Auto Answer option Table8 D AT Command for Auto Answer Front AT 1 DISABLED _JO Auto Answer disabled 2 ENABLED 41 Auto Answer enabled RS366 EON If enabled the DSU III S2W will detect the End Of Number character from the RS 366 dial string The default setting is ENABLED 1 NETWORK TYPE 1 PHONE NUMBER 2 EDIT SC d 1 DISABLED 2 ENAB
68. t Inspection Carefully inspect the DSU III S2W for any shipping damages If damage is suspected file a claim immediately with the carrier and contact ADTRAN Customer Service If possible keep the original shipping container for use in shipping the DSU III 52W for repair or for verification of damage during shipment Equipment Provided The following items are included in ADTRAN shipments of the DSU III S2W e DSU III S2W unit A6 position modular to 6 position modular line interface cable e The user manual Equipment Sold Separately 61200 01512 1 The customer must provide an EIA 232 interface cable with standard 25 pin male D type connectors Cannon or Cinch DB 19604 432 or V 35 cable and a cable for the EIA 366 Dialport if used DSU Ill 2W User M anual 5 Chapter2 Installation Power Up Each DSU unit is provided with a captive eight foot power cord terminated by a three prong plug which connects to a grounded 115 VAC power receptacle A telco connector is also provided for interface to the network Power to the DSU must be provided from a grounded 115 VAC 60 Hz receptacle CAUTION 6 DSU III S2W User M anual 61200 01512 1 Chapter2 Installation NETWORK INTERFACE CONNECTION 61200 01512 1 The DSU III S2W has a six position modular jack labeled TELCO The connector is used for connecting to the network when the unit is configured for either dedicated or switched operation The pin assignments for t
69. tains four different user profiles sets of configurations options that are stored in read only memory These profiles are listed in the appendix Default Configuration Profiles The unit is shipped from the factory with profile 1 default configura tion loaded into the nonvolatile configuration memory If profile 1 matches the desired system requirements then no additional configuration is required to put the unit into service If profile 1 does not match the desired system requirements modify the default configuration or select another profile more closely match ing the desired configuration and modify When a new profile is loaded or the existing profile is modified it is stored in the nonvolatile configuration memory The DSU III S2W is then configured with that profile every time power is turned on or reset See the chapter Manual Command for informa tion on loading default configuration profiles Configuration Methods Front Panel 61200 01512 1 The DSU III S2W provides three methods for local configuration front panel AT commands in band or via control port and V 25 bis The Front Panel provides access to all operation parameters of the DSU III S2W through a multi level menu structure which begins with the four part Main menu STATUS displays status of network and DTE interface TEST controls local and remote testing CONFIG displays changes current configuration parameters DIAL provides manual dialing functions
70. te 104 TR 91 TR option 46 AT commands 46 transmit clock 41 101 AT command 94 AT commands 41 transmit data 24 troubleshooting 67 troubleshooting new installs 73 TST 24 U unit dialing options 27 unit test options 27 up arrow 21 24 user profile AT command 94 power up AT command 94 store AT command 94 DSU I1152W User M anual 61200 01512 1 V V 25 bis command set 14 V 25 bis commands 13 67 bi sync option 13 SDLC HDLC option 13 V 35 1 V 35 connector 8 9 pin assignments 9 VAL 14 15 view current configuration AT command 94 volume control 34 AT command 93 AT commands 34 w warranty 4 write to S register ATcommand 93 61200 01512 1 DSU III S2W User M anual Index 117 Index 118 DSU Ill 2W User M anual 61200 01512 1 ADTRAN Customer Service RMA 205 971 8722 Technical Support 800 726 8663 Applications Engineering 800 615 1176 Sales 800 827 0807 Repair and Return Address ADTRAN Inc Customer Service Department 901 Explorer Boulevard P O Box 070020 Huntsville Alabama 35807
71. test 61200 01512 1 DSU III S2W User Manual 77 Chapter11 Testing and Troubleshooting Loop Only RT The Loop Only RT test allows the loop interface and a major portion of the DTE interface for the local DSU III S2W to be tested from the remote site over the actual communication circuit Figure 11 7 illustrates the loopback point and the signal paths for this test LOCAL DSU CSU Interface Local 4 wire Loopback Figure 11 7 Loop Only Test Test Purpose The Loop Only test is used to provide a loopback for network tests Initiating Follow the menu path outlined in Figure 11 8 to initiate a Loop Only test 1 DTE amp LOOP LL 4 DTE WITH TP 5 TEST PATTERN 6 SELF TEST Figure 11 8 Initiating a Loop Only Test 78 DSU Ill 2W User M anual 61200 01512 1 Chapter11 Testing and Troubleshooting Interpreting Test Results The Loop Only test is used to loop the circuit back to the telco No test results are available from the local DSU III S2W 61200 01512 1 DSU Ill 2W User M anual 79 Chapter11 Testing and Troubleshooting DTEOnly The DTE Only test provides a method for testing both the DT E interface drivers and receivers of the local DSU III S2W plus its loop transmitter and receiver For this test the loop transmit data is connected to the loop receive data at a point close to the physical network interface This test can be used to verify proper operation between the local DTE and the local DSU II
72. the sub menu items available in the current menu Sub menu items appear two at a time in a circular or wrapping fashion When the sub menu items are scrolled they continuously appear from beginning to end ina forward Down Arrow or reverse Up Arrow pattern LED Description The DSU III S2W has seven LED indicators RS CS TD RD CD ALM and TST These LEDs are identified as follows RS Request to Send CS Clear to Send TD Transmit Data RD Receive Data CD Carrier Detect ALM Alarm Indication TST Test Mode 24 DSU Ill S2W User Manual 61200 01512 1 Chapter3 O peration REAR PANEL The rear panel contains three DTE connectors which provide primary channel V 35 or EIA 232 and a Dialport auxiliary EIA 366 232 A 6 pin telco jack a captive power cord and a power switch are also located on the rear panel Pin assignments for the DTE and network connections are listed in the chapter Installation The DSU III S2W rear panel is shown in Figure 3 3 1 2 ElA 366 232 0000000000000 O 000000000000 PRIMARY V 35 PRIMARY ElA 232 O ooooooooo O i IL 0000000000000 O a UP E 9 4 000000000000 O 00000000 115 VAC 60HZ 15A Identification of Numbers Item Function 1 Auxiliary EIA 366 232 EIA 366 232 dialport 2 Power Switch Used to turn power on or off 3 Telco Connection Connection to the dedicated circuit 4 Primary ElA 232 DTE interface 5 Primary V 35 High speed digital data interface 6
73. ts If the test is successful the Status menu is displayed If not Unable to Execute Test is displayed Interpreting Test Results The display should show TST ERR 0000 88 DSU Ill 2W User M anual 61200 01512 1 Chapter 12 Status Selection STATUS DISPLAY The STATUS selection displays two lines at a time of the current operational status of the network and the DTE interfaces After approximately 60 seconds of no front panel operation the DSU III S2W automatically reverts to the status display Examples of possible status displays are shown in Figure 12 1 DATA MODE DSU Operational LOOP IS NORMAL Network Status DTE 56K SYNC DTE Rate TX CLK NORM DTE Clock RIHE Control Lead Control Lead Sta Figure 12 1 Examples of Status Displays 61200 01512 1 DSU III S2W User Manual 89 Chapter 12 Status Selection DSU Operational Status Data Mode In data mode the data set ready SR and request to send RS circuits are on and the DSU III S2W is ready to send data Network Status DTERate DTE Clock 90 This line of the display shows the current status of the dedicated network interface Possible messages include Incoming Call DTR Active The DSU III S2W detects an incoming call Data Mode Loop is Normal The DSU is connected to the dedicated line idle Loss of TCM Sync The DDS physical connection has been broken DTE 56K Sync Tx Cik Norm The message displayed on this line of the Status d
74. ult factory setting is FOLLOWS RS with C5 DELAY SHORT 1 NETWORK OPT 1 DTE RATE 2 DTE OPTIONS 2 CONN ORTYP 3 DATA ORMA 4 D MD OPTIO 5 TRANSM OCK 1 FORCED ON 1 CS DELAY SHC 3 CONFI FOLLOWS R 2 CS DELAY LON 6 CS OPTIONS 3 FOLLOWS CD 3 TEST OPTIONS 7 CD OPTIONS 4 FOLOWS RS CD 1 CS DELAY SHORT 4 DIAL OPTIONS 8 TR OPTIONS 5 OFFWITHLOCD 2 CS DELAY LONG 5 MANUAL COMMANIT9 SR OPTIONS Figure 6 6 Selecting CS Options If the option chosen involves request to send RS then the delay from RS to CS must be selected CS DELAY SHORT or CS DELAY LONG Table 6 E shows the AT Commands used to set the CS OPTIONS Table 6 E CS Options AT Commands Front AT m Panel Description FORCED ON CS always on FOLLOWS RS CS state same as RS state FOLLOWS CD CS state same as CD state FOLLOWS RS C CS state same as RS and C 5 OFF WITH aeu dl Off 5 sec after disconnect in SW56 applications For RS options select the RS to CS delay lengt 61200 01512 1 DSU Ill 2W User M anual 43 Chapter6 Configuring DTE O ptions Specified times for the short and long delays at the different operating speeds are shown in Table 6 F Table 6 F Short and Long Delays at Different Operating Speeds 44 DSU Ill 2W User M anual 61200 01512 1 CD Options Chapter6 Configuring DTE O ptions The CD OPTIONS menu is used to select one of three control modes for the receive line signal detector CD lead The default factory setting is NORMAL see F
75. us menu branches to be entered exited and scrolled through The four function keys are defined below Enter selects an activated item Up Arrow scrolls up the sub menu items Down Arrow scrolls down the sub menu items Cancel exits back one level from the current branch of themenu To choose a menu item press the corresponding number or alpha character on the keypad press Shift to activate the alpha selec tions The item flashes on and off to show it is the currently selected active choice Pressing either the Up or Down Arrow scrolls through the available menu items Pressing Enter selects the flashing item The following example and Figure 3 1 illustrate how to select the ECHO CANCEL option 1 Select Configuration CONFIG by pressing 3 then press Enter 2 Use the Up and Down Arrows to view sub menu items 3 Choose an item on the sub menu such as Network Options NETWORK OPT 4 To select NETWORK OPT press 1 then press Enter 5 To select ECHO CANCEL press 1 then press Enter 61200 01512 1 DSU Ill 2W User M anual 21 Chapter 3 O peration 1 ECHO CANCE 2 ADAPT 3 VOLUME CNTL 1 NETWORK_ OPT Figure 3 1 Example of Basic Menu Travel 22 DSU Ill 2W User M anual 61200 01512 1 Chapter3 O peration FRONTPANEL The DSU III 52W faceplate is shown in Figure 3 2 DSU III S2W TD RD CD ALM TST Figure 3 2 DSU III S2W Fro

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