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ISU 512 ISDN Ser vice Unit USER MANUAL Part Number ISU 512 (U Interface) 1202086L1 ISU 512 ST (ST Interface) 1202086L2 RS-530 to V.35 Adapter 1200072L1 RS-366 Y Cable 1200120L1 RJ-45 to DB-25 Adapter 3196.
Trademark: 5ESS is a registered trademark of AT&T DMS-100 is a trademark of Northern Telecom, Inc. ISU is a trademark of ADTRAN, Inc. 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 Phone: (205) 963-8000 © 1997 ADTRAN, Inc. All rights reserved.
FCC regulations require that the following information be provided in this manual: 1. This equipment complies with Part 68 of the FCC rules. On the bottom of the equip- ment housing is a label that shows the FCC registration number and Ringer Equiv- alence Number (REN) for this equipment.
FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT 1202086L1 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protec- tion against harmful interference in a residential environment.
CANADIAN EMISSIONS REQUIREMENTS 1202086L1 This digital apparatus does not exceed the Class B 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.
CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equip- ment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements.
Quick Start Guide Before configuring the ISU TM 512, the telephone service provider must supply the switch type, service profile identifier (SPID), and local directory number (LDN).
Press Cancel to exit to the status screen and verify Ready conditions for each BRI line configured. If the status screen reads SYNC , DOWN , TEI , or SPID, either the configuration of the switch type and SPIDs are incorrect or there may be a problem with the ISDN line or translations; see the chapter Trouble- shooting .
61202.086L1-1 ISU 512 User Manual i T able of Contents Chapter 1. Understanding ISDN and the ISU 512 ..................................................... 1 ISDN Overview ................................................................................
Table of Contents ii 61202.086L1-1 User Manual 61202.086L1-1 Data 56 kbps.......................................................................................................... 28 Data 64 kbps........................................................
Table of Contents 61202.086L1-1 ISU 512 User Manual iii TXINIT ......................................................................................................................... . 4 6 TXFA........................................................
Table of Contents iv 61202.086L1-1 User Manual 61202.086L1-1 Rate Adaption ................................................................................................ 67 Interoperability ...........................................................
61202.086L1-1 ISU 512 User Manual v List of Figures Figure 1-1: ISU 512 Rear Panel ..................................................................................... 2 Figure 1-2: ISU 512 (U interface) Applications .................................
Table of Contents vi 61202.086L1-1 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual vii List of T ables Table 1-A: ISU 512 Synchronous Rates ...................................................................... 5 Table C-A: AT Commands ................................................................
Table of Contents viii 61202.086L1-1 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 1 Chapter 1 Understanding ISDN and the ISU 512 ISDN OVERVIEW The Integrated Services Digital Network (ISDN) is a public or private switched digital network.
Chapter 1: Understanding ISDN and the ISU 512 2 ISU 512 User Manual 61202.086L1-1 The ISU 512 transmits data over an RS-530 or V.35 interface, selectable from the front panel. The ISU 512 performs at synchronous data transfer rates of 56 kbps to 512 kbps.
Chapter 1: Understanding ISDN and the ISU 512 61202.086L1-1 ISU 512 User Manual 3 Dialing from the ISU 512 is accomplished in a variety of ways: • Manually from the front panel keypad.
Chapter 1: Understanding ISDN and the ISU 512 4 ISU 512 User Manual 61202.086L1-1 ISU 512 INTEROPERABILITY Telephone networks are evolving from analog technologies to digital technol- ogies such as ISDN. This transition is time-consuming and costly for tele- phone companies and upgrading all locations and facilities is a lengthy process.
Chapter 1: Understanding ISDN and the ISU 512 61202.086L1-1 ISU 512 User Manual 5 RECOMMENDED OPERATING PROTOCOLS The ISU 512 supports BONDING Mode 1. For applications such as videocon- ferencing, in which the unit needs to interoperate with two SW56 lines or one dual-port ISDN device, the 2 x clear channel protocol (dual-port mode) is used.
Chapter 1: Understanding ISDN and the ISU 512 6 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 7 Chapter 2 Ordering ISDN ISDN is a complex service with many network options. Obtaining service from the local telephone company and long distance providers can be compli- cated. The following instructions only apply to North American switches.
Chapter 2: Ordering ISDN 8 ISU 512 User Manual 61202.086L1-1 For more information regarding ordering ISDN, see the ADTRAN document Ordering ISDN Service User Guide part number 60000.015-8, or contact the tele- phone company for alternative line configurations.
61202.086L1-1 ISU 512 User Manual 9 Chapter 3 Installation INSTALLATION After unpacking the unit, immediately inspect it for possible shipping dam- age. If damage is discovered, file a claim immediately with the shipping car- rier, then contact ADTRAN Customer Service; see the inside back cover of this manual for phone numbers.
Chapter 3: Installation 10 ISU 512 User Manual 61202.086L1-1 DTE DATA CONNECTION Data terminal equipment (DTE) is connected to the ISU 512 by using the V.35 interface, and/or the RS-530 interface on the rear panel of the ISU 512. The maximum cable lengths recommended are 50 feet for the RS-530 interface, or 150 feet for the V.
Chapter 3: Installation 61202.086L1-1 ISU 512 User Manual 11 Where #R changes the Channel Rate (number of ISDN B channels) as follows: 0 = (2x56k and 2x64k) 2 x Clear Channel Protocol 1 = 1 B Channel .
Chapter 3: Installation 12 ISU 512 User Manual 61202.086L1-1 THE MAINTENANCE INTERFACE The Maintenance Interface is available at 9600 bps, 8 data bits, no parity, through the CHAIN IN port.
Chapter 3: Installation 61202.086L1-1 ISU 512 User Manual 13 Software Update There are two methods available for updating ISU 512 software. The local method involves using the Chain In port and is described in this section.
Chapter 3: Installation 14 ISU 512 User Manual 61202.086L1-1 VT 100 MENU INTERFACE The VT 100 menu interface can be used by connecting a VT 100 compatible ter- minal to the Chain In port on the back of the ISU 512.
Chapter 3: Installation 61202.086L1-1 ISU 512 User Manual 15 Figure 3-2 VT 100 Configuration Menu Figure 3-3 VT 100 Configuration Menu 2.
Chapter 3: Installation 16 ISU 512 User Manual 61202.086L1-1 Figure 3-4 VT 100 Status Screen Figure 3-5 VT 100 Test Menu.
Chapter 3: Installation 61202.086L1-1 ISU 512 User Manual 17 Figure 3-6 VT 100 Dial Menu.
Chapter 3: Installation 18 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 19 Chapter 4 Operation INITIAL SELF TEST The ISU 512 performs an initial self test upon initial installation. Once the self test is successfully completed, the current status mode is displayed. If the ISU 512 is not connected to the network, the Status menu displays DOWN next to the network connection number .
Chapter 4: Operation 20 ISU 512 User Manual 61202.086L1-1 MENU STRUCTURE The ISU 512 uses a multilevel menu approach to access its many features. All menu operations are displayed in the LCD window or are available from the VT 100 terminal interface. The opening menu is the access point to all other operations.
Chapter 4: Operation 61202.086L1-1 ISU 512 User Manual 21 Configuration (CONFIG) Menu Configuration selects network and DTE operating parameters. Dial Menu Dial provides manual dialing functions. Key in a number to dial or select one of the ten stored numbers.
Chapter 4: Operation 22 ISU 512 User Manual 61202.086L1-1 3. Choose an item on the submenu such asNetwork Options (Netw. options) by pressing the corresponding number followed by Enter . 4. To select Dial Line options, press 1 , then press Enter . The menu path follows: 3=CONFIG 1=Netw.
Chapter 4: Operation 61202.086L1-1 ISU 512 User Manual 23 LCD Window Displays menu items and messages in 2 lines by 16 characters. Enter Selects active menu items. To select a menu item, press the number of the item to activate. When the menu item is flashing, press Enter to select it.
Chapter 4: Operation 24 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 25 Chapter 5 Configuration USING ISDN BASIC RATE SWITCHED SERVICE This section explains how to configure the ISU 512 when using ISDN Basic Rate switched service. Figure 5-1 illustrates the entire Configuration branch of the menu tree.
Chapter 5: Configuration 26 ISU 512 User Manual 61202.086L1-1 Figure 5-1 Configuration Menu <Use Up and Down keys to select LDN 1 to 8> <Use Up and Down keys to select SPID 1 to 8> 2=DTE options 1=Netw.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 27 CONFIGURING NETWORK OPTIONS FOR DIAL OPERATION This section describes how to configure the ISU 512 for Dial operation such as Switch type, Call type, Terminal ID, Dial options, and Auto answer.
Chapter 5: Configuration 28 ISU 512 User Manual 61202.086L1-1 Speech Speech directs the call control software to request a Mu-law/A-law speech cir- cuit as the bearer capability for outgoing calls. The Speech option is used with an ISDN line configured for voice service.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 29 Terminal Identification Terminal identification is assigned by the local telephone company.
Chapter 5: Configuration 30 ISU 512 User Manual 61202.086L1-1 Setting the LDN The local directory number (LDN) is used when placing or receiving BOND- ING calls. The LDN is the local phone number assigned to the line. This option allows the entry of up to eight LDNs.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 31 Figure 5-2 Dial Options Menu Front Panel To establish and disconnect calls using the front panel, configure Dial options for Front Panel .
Chapter 5: Configuration 32 ISU 512 User Manual 61202.086L1-1 5 sec or EON (default) The ISU 512 assumes the dial string is fully entered if more than 5 seconds elapse since input of the last digit, or an EON command is received. This is the factory default setting.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 33 Auto Answer The ISU 512 can be configured to automatically answer or not answer. Use the following menu path: 3=CONFIG 1=Netw. options 1=Dial Line 5=Auto answer 1=Disabled 2=Enabled (default) 3=Dump all calls Disabled When Disabled is selected, the ISU 512 does not answer incoming calls.
Chapter 5: Configuration 34 ISU 512 User Manual 61202.086L1-1 Connect Timeout The Connect Timout option sets the length of time that the ISU 512 waits for a far-end unit to answer an outgoing call.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 35 3. Place a call to the ISU 512 with the stored number to see if it answers. 4. If the ISU 512 does not answer the call, look at the Call ID message in the Status buffer. More than likely, the Call ID number is a ten-digit number 5.
Chapter 5: Configuration 36 ISU 512 User Manual 61202.086L1-1 Remote Supervision The ISU 512 has the ability to be remotely accessed and configured from an- other ISU 512. The originating ISU 512 can remotely access another ISU 512 using a smart dial string with a #6 suffix.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 37 Maintenance Setup There are three Maintenance Setup options: Auto Traps, ADLP Address, and Port Mode. Auto Traps Auto Traps is for use with Port Mode=ATEL. The ISU 512 monitors and re- ports alarms for network failures or degrading performance conditions.
Chapter 5: Configuration 38 ISU 512 User Manual 61202.086L1-1 Call NumID When Call NumID is enabled, the ISU 512 will send the caller ID INFO setup message to the ISDN switch. When Call NumID is disabled, the caller ID INFO setup message will not be sent to the ISDN switch.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 39 CONFIGURING THE ISU 512 FOR LEASED DIGITAL SERVICE This section explains how to configure the ISU 512 when using a 2B1Q Leased Digital service or a service that provides a permanent connection between end points.
Chapter 5: Configuration 40 ISU 512 User Manual 61202.086L1-1 Figure 5-4 Limited Distance Modem Application If two ISU 512 units are connected through channel banks, one unit should be configured for Slave mode and the other for Slave (Master) ; see Figure 5-5.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 41 Test Remote When the Test Remote option is enabled the unit performs an automatic 2047 BERT of the line(s) immediately following BONDING connection. When dis- abled (default), no test is performed after initialization.
Chapter 5: Configuration 42 ISU 512 User Manual 61202.086L1-1 SETTING DTE OPTIONS The DTE Options menu is used to select the configuration parameters that con- trol the operation of the DTE interface ports of the ISU 512, such as the maxi- mum bit rate and the connector type.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 43 Connector Type Specify the interface by selecting the desired connector type. Use the follow- ing menu path to select the connector type. 3=CONFIG 2=DTE options 2=Connector Type 1=RS-530 2=V.
Chapter 5: Configuration 44 ISU 512 User Manual 61202.086L1-1 CTS Options Selecting Forced CTS causes the CTS signal on the DTE connector to be con- tinually asserted. Follow RTS causes the CTS signal to follow the state of the RTS lead. Follow CD causes the CTS signal to follow the state of the CD lead.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 45 3=CONFIG 2=DTE options 7=DTR Options 1=Ignore DTR (default) 2=Idle when Off 3=Off>On dial #0 4=Dial #0 if On 5=Answer if On To store a number for automatic dialing see Dialing Options .
Chapter 5: Configuration 46 ISU 512 User Manual 61202.086L1-1 BONDING SETUP The ISU 512 communicates with many different types of telecommunication equipment including other ISU 512s, ISDN terminal adapters, Switched 56 DSUs, and BONDING mode 1-compatible inverse multiplexers.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 47 TXFA This option specifies the length of time both endpoints attempt to detect the BONDING frame pattern when a call is connected before deciding the BOND- ING call has failed. This timer value should be left at the factory default setting of 10 seconds.
Chapter 5: Configuration 48 ISU 512 User Manual 61202.086L1-1 TCID This option specifies the length of time both endpoints attempt to negotiate an agreeable value for bearer channels and channel capacities before deciding the BONDING call has failed. This timer default setting is 5 seconds.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 49 TRANSPARENT 2 X CLEAR CHANNEL PROTOCOL Due to the large number of existing videoconferencing circuits that utilize dual-port terminal adap.
Chapter 5: Configuration 50 ISU 512 User Manual 61202.086L1-1 Videoconferencing equipment should be set for delayed second call dialing when using the RS-366 Y cable for dialing 2-clear channel calls.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 51 Dial 384K When the ISU 512 is configured for Dial 384K service the following parame- ters are automatically preset: Service type ISDN dial.
Chapter 5: Configuration 52 ISU 512 User Manual 61202.086L1-1 Maximum bit rate 336 kbps DTR Options Ignore RS-530-V35 cable Disabled RS366-Y cable Disabled Video 384K When the ISU 512 is configured fo.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 53 Maximum bit rate 512 kbps data DTR options Ignore Clock mode Master Channel rate 64K Bearer RS-530-V35 cable Disabled RS-366-Y cable Disab.
Chapter 5: Configuration 54 ISU 512 User Manual 61202.086L1-1 DIALING OPTIONS Selecting 4=DIAL or pressing the # (pound) from the top of the menu tree dis- plays the available dialing options.
Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 55 Store/Review Number Enter and review stored numbers. Press the Up and Down arrow keys to scroll through the 10 stored numbers (SN0 - SN9). To store a number, scroll in the desired stored number location, enter the number, and press Enter to save.
Chapter 5: Configuration 56 ISU 512 User Manual 61202.086L1-1 CONFIGURING THE ISU 512 FOR V.25 BIS IN-BAND DIALING V.25 bis dialing is used primarily by data terminal equipment with synchro- nous interfaces (HDLC/SDLC or BSC/BISYNC) not supporting the AT com- mand set, which is commonly used by asynchronous devices.
61202.086L1-1 ISU 512 User Manual 57 Chapter 6 Testing TEST OPTIONS Selecting 2=TEST from the Main menu tree displays available local testing op- tions.
Chapter 6: Testing 58 ISU 512 User Manual 61202.086L1-1 2047 Checker The ISU 512 has the ability to loopback the remote unit and generate/check 2047 BERT pattern through the BONDING protocol. This allows 2047 BERT patterns to be run on multiple ISDN connections (through BONDING).
Chapter 6: Testing 61202.086L1-1 ISU 512 User Manual 59 Near-End Block Errors/Far-End Block Errors (NEBE/FEBE) Allows the user to monitor the quality of the local loop by viewing the number of near-end block errors (NEBE) and far-end block errors (FEBE) occurring on the ISDN U-interface.
Chapter 6: Testing 60 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 61 Chapter 7 Troubleshooting IF SELF TEST FAILS When the ISU 512 powers up, it performs an internal self test. This takes ap- proximately 10 seconds. At the end of the test, the front panel displays Self Test Passed .
Chapter 7: Troubleshooting 62 ISU 512 User Manual 61202.086L1-1 directory number(s) provided with the ISDN line. Calling a good ISDN line with nothing connected usually results in a ring or fast busy tone.
Chapter 7: Troubleshooting 61202.086L1-1 ISU 512 User Manual 63 F. Ensure nothing else is bridged across the ISDN line pair. G. With a minimum of extra wiring, try connecting to the line pair at the point where service provider's wiring ends.
Chapter 7: Troubleshooting 64 ISU 512 User Manual 61202.086L1-1 3. Connect another piece of functioning ISDN equipment to the ISDN line. 4. With the ISU 512 connected to the ISDN line and powered up, .
Chapter 7: Troubleshooting 61202.086L1-1 ISU 512 User Manual 65 IF THE DISPLAY READS SPID{1,3,5, OR 7} This section does not apply to installations outside of North America. If the ISU 512 reads SPID1 , then the ISU 512 is physically connected to the lo- cal telephone service provider and has established Logical Layer 2.
Chapter 7: Troubleshooting 66 ISU 512 User Manual 61202.086L1-1 • The ISU 512 software setup • The software setup of the telephone service provider To isolate the problem, perform the following procedure. 1. Ensure the ISU 512 is set up with the correct SPID and LDN by selecting CONFIG , Netw.
61202.086L1-1 ISU 512 User Manual 67 Chapter 8 Specifications Summary SPECIFICATIONS AND FEATURES This section describes the standard specifications and features incorporated in the ISU 512. Network Interface Four RJ-45s for ISDN Basic Rate Interface DTE Interface RS-530 or V.
Chapter 8: Specifications Summary 68 ISU 512 User Manual 61202.086L1-1 D Channel Switch Compatibility • AT&T 5ESS • NTI DMS-100 • National ISDN-1 • EuroISDN (only available on the ISU 512 .
61202.086L1-1 ISU 512 User Manual 69 Appendix A Status Buffer Messages STATUS LINE MESSAGES Messages in all caps are generated by the ISDN network. Messages with lower case letters are generated by the ISU 512. Call Connect B1 Bearer channel 1 connected and is currently active.
Appendix A. Status Buffer Messages 70 ISU 512 User Manual 61202.086L1-1 {1,2,3,4}:SPID1 The ISU is registering its first SPID with the network. {1,2,3,4}:SPID2 The ISU is registering its second SPID with the network. RINGING The phone number just dialed is ringing.
Appendix A. Status Buffer Messages 61202.086L1-1 ISU 512 User Manual 71 ACCESS_INFO_DISC The network was unable to deliver access information to the far end. Bad AT bit field User issued an AT command with an argument that was out of range. Bad call type ISU 512 placed a call with an improper call type.
Appendix A. Status Buffer Messages 72 ISU 512 User Manual 61202.086L1-1 CallID 2 in use ISU 512 tried to place a call using SPID 2 though SPID 2 was already in use. Call not ringing User executed an answer command (A) but there was not a call present.
Appendix A. Status Buffer Messages 61202.086L1-1 ISU 512 User Manual 73 DPUMP END RCVD Indication of a hang-up or disconnect occurring during BONDING. Does not indicate an ERROR condition has occurred. DTE not set V25 The DTE equipment is not optioned for the same bit rate as the ISU 512 for V.
Appendix A. Status Buffer Messages 74 ISU 512 User Manual 61202.086L1-1 INCOMING_CALL_BA Incoming call barred. The network will not allow an incoming call. INCOMPATIBLE_DEST The called number cannot accept the type of call that has been placed. INTRWORKING _UNS A message was sent by a far-end network that was not understood.
Appendix A. Status Buffer Messages 61202.086L1-1 ISU 512 User Manual 75 MANDATORY_IE_MIS Mandatory information element missing. Need 64K call The BONDING protocol requires the ISU 512 to be configured for a 64k data call type. Negotiation fail The BONDING negotiation has failed.
Appendix A. Status Buffer Messages 76 ISU 512 User Manual 61202.086L1-1 NORMAL_CLEARING The network is disconnecting the current call. NOT end2end ISDN The path that the call was routed over is not ISDN from end-to-end (warning only). NUMBER_CHANGED The number dialed has been changed.
Appendix A. Status Buffer Messages 61202.086L1-1 ISU 512 User Manual 77 TANULL expired Bonding timer TANULL expired; non BONDING equipment attempted to call into the ISU 512 while optioned for BONDING. TEMPORARY_FAILURE The network has temporarily failed; try the call again.
Appendix A. Status Buffer Messages 78 ISU 512 User Manual 61202.086L1-1 WRONG_MSG_FOR_ST The ISU 512 received a message that is not appropriate for the state of the call. 530 Set Primary The connector type is set to RS-530. This may cause 2 x Clear Channel mode to fail to come on-line.
61202.086L1-1 ISU 512 User Manual 79 Appendix B S-Register List S0 . . . . . AUTO ANSWER . . . . . . Determines how the ISU 512 answers an incoming call. 0=Disable (ISU 512 does not answer call) 1=Enable (ISU 512 answers all calls) (default) 2=Dump all calls S7 .
Appenidix B. S-Register List 80 ISU 512 User Manual 61202.086L1-1 S34 . . . . DTE DTR. . . . . . . . . . . . . Determines how the ISU 512 responds to changes in DTR. 0=Ignore DTR (default) 2=Dump incoming call when DTR is off 4=Hang-up incoming call when DTR is off 8=Hang-up outgoing call when DTR is off S35 .
Appenidix B. S-Register List 61202.086L1-1 ISU 512 User Manual 81 S45 . . . . BOND TCID . . . . . . . . . . The number of seconds both end points attempt to negoti- ate agreeable values for bearer channels and channel ca- pacities before deciding the BONDING call has failed.
Appenidix B. S-Register List 82 ISU 512 User Manual 61202.086L1-1 S55 . . . . DIAL MODE . . . . . . . . . . Selects dialing interface. 0=Front panel only (dialing from front panel is always available) (default) 1=RS-366 dialing port 3=V.25 bis dialing S58 .
Appenidix B. S-Register List 61202.086L1-1 ISU 512 User Manual 83 The following are the string locations for stored numbers 0 - 9: SS90 . . . SN0 LOC . . . . . . . . . . . . Stored number 0 string SS91 . . . SN1 LOC . . . . . . . . . . . . Stored number 1 string SS92 .
Appenidix B. S-Register List 84 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 85 Appendix C AT Commands The AT commands (shown in Table C-A) can be used with the Maintenance interface available at 9600 bps (8, n, 1) through the CHAIN IN port on the back panel. See the section The Maintenance Interface in Chapter 3 for more informa- tion.
Appendix C. AT Commands 86 ISU 512 User Manual 61202.086L1-1 Data T erminal Ready (DTR) Control Line Options &D0 - DTR ignored &D1 - DTR Of f forces command &D2 - DTR Of f forces idle (on .
Appendix C. AT Commands 61202.086L1-1 ISU 512 User Manual 87 &Z4 - Stored number 4 &Z5 - Stored number 5 &Z6 - Stored number 6 &Z7 - Stored number 7 &Z8 - Stored number 8 &Z9 -.
Appendix C. AT Commands 88 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 89 Appendix D Pinouts Figure D-1 illustrates the EIA-232 to DB-25 adapter connector. Figures D-2 through D-4 show the interfaces for the pinouts identified in Tables D-A through D-F.
Appendix D. Pinouts 90 ISU 512 User Manual 61202.086L1-1 Table D-B Pinouts for IFC RJ-45 Connectors Figure D-3 EIA-232, RS-366, and RS-530 Connector Figure D-4 V.35 Connector IFC RJ-45 Connector Pin 4 Ring Pin 5 T i p PIN 13 PIN 1 PIN 25 PIN 14 FEMALE V .
Appendix D. Pinouts 61202.086L1-1 ISU 512 User Manual 91 Table D-C RS-366 Dialing Port Pinouts See Figure D-3. P i n Name Input/Output Descriptions 1 Shield I / O Shield for Cable 2 D P R I Digit Pres.
Appendix D. Pinouts 92 ISU 512 User Manual 61202.086L1-1 Table D-D RS-530 Pinouts See Figure D-3. P i n Name Input/Output Descriptions 1 Shield I / O Shield for Cable 2 TD-A I Transmitted Data 3 RD-A .
Appendix D. Pinouts 61202.086L1-1 ISU 512 User Manual 93 Table D-E V.35 Pinouts See Figure D-4. P i n Name Input/Output Descriptions A Shield I / O Shield for Cable B S G I / O Signal Ground C R T S I.
Appendix D. Pinouts 94 ISU 512 User Manual 61202.086L1-1 Table D-F RS-530-to-V.35 Adapter Cable Pinouts See Figure D-4. P i n Name Input/Output Descriptions A Shield I / O Shield for cable B S G I / O.
Appendix D. Pinouts 61202.086L1-1 ISU 512 User Manual 95 Figure D-5 displays the RS-366 Y cable, part number 1200120L1. Figure D-5 RS-366 Y Cable Figure D-6 displays the RS-530 to V.
Appendix D. Pinouts 96 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 User Manual 97 Acronyms AMI ........................... Alternate Mark Inversion ANI ........................... Automatic Number Identification BONDING ............... Bandwidth On Demand Interoperability Group BRI .............
Acronyms 98 ISU 512 User Manual 61202.086L1-1 LAN ........................... Local Area Network LDM .......................... Limlited Distance Modem LDN ........................... Local Directory Number LED ............................ Light Emitting Diode MLHG .
61202.086L1-1 ISU 512 User Manual 99 Glossary 2 B+D The basic rate interface (BRI) in ISDN. A single ISDN circuit divided into two 64 kbps digital channels for voice or data and one 16 kbps channel for low speed data (up to 9,600 baud) and signaling.
Glossary 100 ISU 512 User Manual 61202.086L1-1 CCITT Consultative Committee on International Telephony and Telegraphy. A body of the International Telegraph Union (ITU) which prepares recommendations, com- monly referred to as international standards, to resolve technical telegraph and telephone problems.
Glossary 61202.086L1-1 ISU 512 User Manual 101 DDS Dataphone digital service. AT&T private line service for transmitting data over a digital system. The digital transmission system transmits electrical signals direct- ly, instead of translating the signals into tone of varied frequencies as with tradi- tional analog transmission systems.
Glossary 102 ISU 512 User Manual 61202.086L1-1 interface A common boundary between two systems over which the inter-system commu- nication occurs. ISDN Integrated services digital network. A network architecture that enables end-to- end digital connections.
Glossary 61202.086L1-1 ISU 512 User Manual 103 by multiple users. Typically, user data streams are interleaved on a bit or byte ba- sis (time division) or separated by different carrier frequencies (frequency divi- sion). multipoint circuit A circuit consisting of three or more stations connected directly electrically.
Glossary 104 ISU 512 User Manual 61202.086L1-1 S interface S reference point The interface that connects an ISDN terminal (TEI) or terminal adapter (TA) to the NT2 reference point as defined in the I.
Glossary 61202.086L1-1 ISU 512 User Manual 105 V.35 CCITT standard for trunk interface between a network access device and a packet net- work that defines signaling for data rates greater than 19.2 kbps. videoconferencing The real-time, usually two-way, transmission of digitized video images between two or more locations.
Glossary 106 ISU 512 User Manual 61202.086L1-1.
61202.086L1-1 ISU 512 107 Index Numerics 1 sec or EON 31 10 sec or EON 32 2 sec or EON 31 2 x clear channel protocol 5, 49 20 sec or EON 32 2047 checker 58 5 sec or EON 32 A adapter EIA-232 to DB-25 8.
Index 108 ISU 512 User Manual 61202.086L1-1 connect timeout 34 connector EIA-232 90 RS-366 90 RS-530 90 V.35 90 connector type selecting 43 CTS options 44 menu path for setting 44 customer service 9 D.
Index 61202.086L1-1 ISU 512 User Manual 109 H hang up line 33, 54 I if an ISDN network line reads down 61 if self test fails 61 if the display reads SPID{1,3,5, or 7} 65 SPID{2,4,6, or 8} 65 TEI1 63 T.
Index 110 ISU 512 User Manual 61202.086L1-1 interface 67 options 22, 27 numeric keypad 23 O operating protocols 5 operation 19 ordering codes ISDN 7 ordering ISDN 8 P physical dimensions 68 pinouts 89 chain in and chain out ports 89 IFC RJ-45 connector 90 RS-366 dialing port 91 RS-530 92 RS-530 to V.
Index 61202.086L1-1 ISU 512 User Manual 111 setting auto answer disabled 33 dump all calls 33 enabled 33 setting CD options 44 setting CTS options 44 setting DSR options 45 setting DTE options 42 setting DTR options 44 setting terminal identification 29 setting the call type 27 setting the dial options front panel 31 V.
Index 112 ISU 512 User Manual 61202.086L1-1 U up arrow 20, 21, 23 updating ISU 512 software local method 13 remote method 13 using ISDN Basic Rate switched service 25 V V.25 DCE/DTE control signals 56 V.25 bis 32 commands to control automatic call- ing and anwering 56 in-band dialing 56 V.
Product Support Information Presales Inquiries and Applications Support Please contact your local distributor, ADTRAN Applications Engineering, or ADTRAN Sales: Post-Sale Support Please contact your local distributor first. If your local distributor cannot help, please contact ADTRAN Technical Support and have the unit serial number available.
Ein wichtiger Punkt beim Kauf des Geräts ADTRAN ISU 512 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie ADTRAN ISU 512 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für ADTRAN ISU 512 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von ADTRAN ISU 512 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über ADTRAN ISU 512 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon ADTRAN ISU 512 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von ADTRAN ISU 512 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit ADTRAN ISU 512. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei ADTRAN ISU 512 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
