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Manual ADTRAN ISU 512

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  • ADTRAN ISU 512 - page 1

    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.ADPT003 61202.086L1-1B September 1997 ...

  • ADTRAN ISU 512 - page 2

    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. Printed in USA. ...

  • ADTRAN ISU 512 - page 3

    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. If requested, provide this information to the telephone comp ...

  • ADTRAN ISU 512 - page 4

    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. This equipme ...

  • ADTRAN ISU 512 - page 5

    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. Cet appareil nuerique respecte les limites de bruits radi ...

  • ADTRAN ISU 512 - page 6

    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. The Department does not guarantee the equipment will operate to the user’s satisfaction. Befo ...

  • ADTRAN ISU 512 - page 7

    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). For example, for one ISDN BRI 2B+D line: Switch Type National ISDN-1 SPID1 20455512120100 SPID2 20455512130100 LDN1 5551212 LDN2 5551213 To configure the ISU 512 from t ...

  • ADTRAN ISU 512 - page 8

    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 . Outside of the U.S. and Cana ...

  • ADTRAN ISU 512 - page 9

    61202.086L1-1 ISU 512 User Manual i T able of Contents Chapter 1. Understanding ISDN and the ISU 512 ..................................................... 1 ISDN Overview .................................................................................................................. 1 Product Overview ............................................. ...

  • ADTRAN ISU 512 - page 10

    Table of Contents ii 61202.086L1-1 User Manual 61202.086L1-1 Data 56 kbps.......................................................................................................... 28 Data 64 kbps.......................................................................................................... 28 Terminal Identification ..................... ...

  • ADTRAN ISU 512 - page 11

    Table of Contents 61202.086L1-1 ISU 512 User Manual iii TXINIT ......................................................................................................................... . 4 6 TXFA........................................................................................................................... ... 47 TXADD01................. ...

  • ADTRAN ISU 512 - page 12

    Table of Contents iv 61202.086L1-1 User Manual 61202.086L1-1 Rate Adaption ................................................................................................ 67 Interoperability .............................................................................................. 67 D Channel Switch Compatibility ............................. ...

  • ADTRAN ISU 512 - page 13

    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 .......................................................... 4 Figure 3-1: Maintenance Port VT 100 Menu .............................. ...

  • ADTRAN ISU 512 - page 14

    Table of Contents vi 61202.086L1-1 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 15

    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 ............................................................................................ 85 Table D-A: Pinouts for Chain In and Chain Out Ports ............... ...

  • ADTRAN ISU 512 - page 16

    Table of Contents viii 61202.086L1-1 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 17

    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. ISDN is an international standard for digital communica- tions, allowing a full range of enhanced services supporting voice, data, and image applications throu ...

  • ADTRAN ISU 512 - page 18

    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. At rates over 64 kbps, the BONDING Mode 1 inverse mul- tiplexing protocol synchronizes data ov ...

  • ADTRAN ISU 512 - page 19

    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. • Manually from up to ten stored numbers. • Automatically through an RS-366 dialing port used in video conferencing applications; a special RS-366 Y cable prov ...

  • ADTRAN ISU 512 - page 20

    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. The ISU 51 ...

  • ADTRAN ISU 512 - page 21

    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. The IS ...

  • ADTRAN ISU 512 - page 22

    Chapter 1: Understanding ISDN and the ISU 512 6 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 23

    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. In North America, the development of ISDN Ordering Codes (IOCs) simpli ...

  • ADTRAN ISU 512 - page 24

    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. The Ordering ISDN Service User Guide is available on the ADTRAN home page at http://www.a ...

  • ADTRAN ISU 512 - page 25

    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. NETWORK CONNECTION T ...

  • ADTRAN ISU 512 - page 26

    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.35 interface. The pin ...

  • ADTRAN ISU 512 - page 27

    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 (1x56k, 1x64k) BONDING Mode 1 2 = 2 B Channels (2x56k, 2x64k) BONDING Mode 1 3 = 3 B Channels (3x56k, 3x64k) BONDING Mode 1 4 = 4 B Channels (4x56k, 4 ...

  • ADTRAN ISU 512 - page 28

    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. See the appendix Pinouts for the Chain In port pinout. The VT 100 terminal or null modem can be connected to the Chain In port using the RJ-45 to DB-25 adapter ...

  • ADTRAN ISU 512 - page 29

    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. The remote method involves transmitting smart dial strings over a dial-up connec- tion and is described in the section Remote ...

  • ADTRAN ISU 512 - page 30

    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. The VT 100 terminal (or PC running terminal emulation software) is connected to the Chain In port us- ing the RJ-45 to DB-25 adapter (p ...

  • ADTRAN ISU 512 - page 31

    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 ...

  • ADTRAN ISU 512 - page 32

    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 ...

  • ADTRAN ISU 512 - page 33

    Chapter 3: Installation 61202.086L1-1 ISU 512 User Manual 17 Figure 3-6 VT 100 Dial Menu ...

  • ADTRAN ISU 512 - page 34

    Chapter 3: Installation 18 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 35

    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 . If t ...

  • ADTRAN ISU 512 - page 36

    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. There are four Main menu branches: St ...

  • ADTRAN ISU 512 - page 37

    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. Basic Menu Traversal Four function keys on the left side of the ISU 512 keypad allow the ...

  • ADTRAN ISU 512 - page 38

    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. options 1=Dial Line 4=Dial Options It is important to note tha ...

  • ADTRAN ISU 512 - page 39

    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. A sub- menu item is invoked or a configuration parameter is set ...

  • ADTRAN ISU 512 - page 40

    Chapter 4: Operation 24 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 41

    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. ...

  • ADTRAN ISU 512 - page 42

    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. options 3=CONFIG 3=Bonding Setup 4=Quick setup 1=Dial 512K 2=Dial 384K 3=Dial 448K 4=Dial 336K 5=Video 384K 6=Video 336K 7=Leased Slave ...

  • ADTRAN ISU 512 - page 43

    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. To dial calls over ISDN, the ISU 512 must be configured for Dial Line . Switch Type Find out w ...

  • ADTRAN ISU 512 - page 44

    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. In some areas voice service costs less than data service. A Speech call type d ...

  • ADTRAN ISU 512 - page 45

    Chapter 5: Configuration 61202.086L1-1 ISU 512 User Manual 29 Terminal Identification Terminal identification is assigned by the local telephone company. Use the following menu path to set the terminal identification. 3=CONFIG 1=Netw. options 1=Dial Line 3=Terminal ID 1=Set SPID 2=Set LDN Setting the SPID The service profile identifier (SPID) is a ...

  • ADTRAN ISU 512 - page 46

    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. Use the Up and Down arrows to select the LDN to enter. LDNs correspond to the IFC ...

  • ADTRAN ISU 512 - page 47

    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 . See the section Front Panel for more details. RS-366 To establish and disconnect calls using the RS-366 parallel dialing port, config- ure the unit f ...

  • ADTRAN ISU 512 - page 48

    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. 10 sec or EON The ISU 512 assumes the dial string is fully entered if more than 10 ...

  • ADTRAN ISU 512 - page 49

    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. ...

  • ADTRAN ISU 512 - page 50

    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. Use the following menu path: 3=CONFIG 1=Netw. options 1=Dial Line 6=Connect Timout 1=15 sec 2=30 sec (def) 3=1 Minute 4=2 Minute 5=4 Minute Call Screeni ...

  • ADTRAN ISU 512 - page 51

    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. Store the number in SN0 as it is displayed in the Call I ...

  • ADTRAN ISU 512 - page 52

    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. The ISU 512 can be protected from illegal access by using the password pro ...

  • ADTRAN ISU 512 - page 53

    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. The ISU 512 can be configured to ...

  • ADTRAN ISU 512 - page 54

    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. ...

  • ADTRAN ISU 512 - page 55

    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. This mode is only supported by the ISU 512 (U interface). Selecting Leased ...

  • ADTRAN ISU 512 - page 56

    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. To easily configure ISU 512s for this application, one unit can be optioned using Quick ...

  • ADTRAN ISU 512 - page 57

    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. Maintenance Setup There are three Maintenance Setup options: Auto Tra ...

  • ADTRAN ISU 512 - page 58

    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. Changes to the DTE options affect both ports (RS-530 and V.35) during dua ...

  • ADTRAN ISU 512 - page 59

    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.35 (default) RS-530 to V.35 Cable The RS-530 to V.35 cable (part number 1200072L1) must be enable ...

  • ADTRAN ISU 512 - page 60

    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. Off V.25 ANSR drives CTS off while answering ...

  • ADTRAN ISU 512 - page 61

    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 . Selecting Dial #0 if On allows calls to be automatically established when the DTR signal is in the ...

  • ADTRAN ISU 512 - page 62

    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. The ISU 512 supports the BONDING mode 1 (Bandwidth on Demand Interoperab ...

  • ADTRAN ISU 512 - page 63

    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. However, when interoperating with ...

  • ADTRAN ISU 512 - page 64

    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. Values of 1, 2, 5 (default), 10, 20, 50, 100, and 200 seco ...

  • ADTRAN ISU 512 - page 65

    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 adapters or two SW56 DSU/CSU units, the ISU 512 has been designed to operate with these existing circuits by using a transparent 2x56/64 Clear Channel pro ...

  • ADTRAN ISU 512 - page 66

    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. QUICK SETUP CONFIGURATION To configure the DTE Options quickly and easily, the Quick Setup menu is available to automatically set up the eight most c ...

  • ADTRAN ISU 512 - page 67

    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 line Automatic answering Enabled ISDN call type 64 kbps data Dial options Front panel Maximum bit rate 384 kbps DTR options Ignore RS-530-V35 cable D ...

  • ADTRAN ISU 512 - page 68

    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 for Video 384K the following parameters are automatically preset: Service type ISDN dial line Automatic answering Enabled ISDN call type 64 kbps data Di ...

  • ADTRAN ISU 512 - page 69

    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 Disabled Leased Slave and Ldm SlvMstr When the ISU 512 is configured for Leased Slave or Ldm SlvMstr (limited dis- tance modem slavemaster) the following p ...

  • ADTRAN ISU 512 - page 70

    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. (See Figure 5-3.) Use the following menu path to set dialing options: 4=Dial 1=Hang up line 2=Dial number 3=Redial last # 4=Answer Call 5=Dial stored # 6=Sto ...

  • ADTRAN ISU 512 - page 71

    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. If a mistake is made, press Cancel to cle ...

  • ADTRAN ISU 512 - page 72

    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. The ISU 512 supports V.25 bis in ...

  • ADTRAN ISU 512 - page 73

    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. Use the following menu path to select test options: 2=Test 1=Loopback DTE 2=Loopback Proto 3=2047 Checker 4=NEBE/FEBE 5=Software Ver Loopback DTE Causes both DTE ports to loopback toward user equip ...

  • ADTRAN ISU 512 - page 74

    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). The originating ISU 512 generates the 2047 patterns and checks the in ...

  • ADTRAN ISU 512 - page 75

    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. An incrementing count of NEBEs indicates a problem on the loc ...

  • ADTRAN ISU 512 - page 76

    Chapter 6: Testing 60 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 77

    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 . If Self Test Passed is not displayed, perform the following pro- cedure to verify if the problem c ...

  • ADTRAN ISU 512 - page 78

    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. If the call is completed or a not-in-service intercept is received, then there is probably something wrong with the translation of the ISDN line ...

  • ADTRAN ISU 512 - page 79

    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. H. With the ISU 512 connected to the ISDN line and powered up, contact and inform the service provider ...

  • ADTRAN ISU 512 - page 80

    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, talk to your service provider's repair group and tell them you have an ISDN basic rate line that appears physically OK but has no terminal endpoi ...

  • ADTRAN ISU 512 - page 81

    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. The ISU 512 is unable to es ...

  • ADTRAN ISU 512 - page 82

    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. options, Dial Line , Terminal ID , and SPID/LDN . 2 ...

  • ADTRAN ISU 512 - page 83

    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.35 (both connectors present) Dialing Selections • Manual or automatic s ...

  • ADTRAN ISU 512 - page 84

    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 ST) B Channel Aggregation BONDING protocol Mode 1 Display Two-line x 16-character LCD Environmental • Operating temperature: 0 to 50 ° C (32 to 122 ...

  • ADTRAN ISU 512 - page 85

    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. Call Connect B2 Bearer channel 2 connected and is currently active. NET ...

  • ADTRAN ISU 512 - page 86

    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. BONDING nnnn BONDING mode 1 rate adaption is running at the bit rate specified by nn ...

  • ADTRAN ISU 512 - page 87

    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. Bad DTE baud The DTE bit rate does not match ...

  • ADTRAN ISU 512 - page 88

    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. CALL_REJECTED The call has been rejected by the ISDN Network. CAP_NOT_IMPLEMENT The network or far ...

  • ADTRAN ISU 512 - page 89

    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.25 bis dialing. DTR not up ISU 512 tried to place a cal ...

  • ADTRAN ISU 512 - page 90

    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. INVALID_CALL_REF Call c ...

  • ADTRAN ISU 512 - page 91

    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. NETWORK BUSY The ISDN switch is busy and unable to process a call. NET ...

  • ADTRAN ISU 512 - page 92

    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. OUTGOING_CALL_BA The network will not allow the outgoing call to ...

  • ADTRAN ISU 512 - page 93

    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. TIMER_EXPIRY Call control error. TXADD01 expired Bonding timer TXADD01 exp ...

  • ADTRAN ISU 512 - page 94

    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. 2 x Clear Channel mode only works when the connec- tor type is ...

  • ADTRAN ISU 512 - page 95

    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 . . . . . CONNECT TIME . . . . . . Determines how long the ISU 512 waits for an outgoing ...

  • ADTRAN ISU 512 - page 96

    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 . . . . DTE CONN . . . . . . . . . . . D ...

  • ADTRAN ISU 512 - page 97

    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. 0 to 256, 5 sec is default . S47 . . . . RS 366 TIME . . . . . . . . . Det ...

  • ADTRAN ISU 512 - page 98

    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 . . . . CALL SCREENING . . . . Allows the ISU 512 to screen incoming calls. 0=Answer any call ...

  • ADTRAN ISU 512 - page 99

    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 . . . SN2 LOC . . . . . . . . . . . . Stored number 2 string SS93 . . . SN3 LOC . ...

  • ADTRAN ISU 512 - page 100

    Appenidix B. S-Register List 84 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 101

    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. Commands should be entered without the AT prefix. Tabl ...

  • ADTRAN ISU 512 - page 102

    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 allows auto answer) Generic Unit Configurations &F0 - Reset all S-registers &F1 - Dial 512K &F2 - Dial 384K &F3 - Dial 448K &F4 - ...

  • ADTRAN ISU 512 - page 103

    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 - Stored number 9 ISDN Switch T ype Options _S0 - 5ESS _S1 - DMS-100 _S2 - National ISDN-1 _S3 - NEC _S4 EuroISDN (only available on the ISU 512 ST) IS ...

  • ADTRAN ISU 512 - page 104

    Appendix C. AT Commands 88 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 105

    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. Figure D-1 EIA-232 to DB-25 Adapter Connector Figure D-2 RJ-45 ISDN Line Interface Table D-A Pinouts for Chain In and Chain Out Ports ...

  • ADTRAN ISU 512 - page 106

    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 .35 A B C D E F J L R V Z DD JJ NN N T X BB FF LL K P U Y CC HH MM H S W AA EE KK M ...

  • ADTRAN ISU 512 - page 107

    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 Present 3 A C R O Abandon Call and Retry 4 C R Q I Call Request 5 P N D O Present Next Digit 6 P W I O Power Indication 7 S G I / O Signal Ground 1 3 D S ...

  • ADTRAN ISU 512 - page 108

    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 O Received Data 4 RTS-A I Ready To Send 5 CTS-A O Clear To Send 6 DSR-A O Data Set Ready 7 S G I / O Signal Ground 8 CD-A O Carrier Detect 9 RC-B O Re ...

  • ADTRAN ISU 512 - page 109

    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 Ready To Send D C TS O Clear To Send E D S R O Data Set Ready F C D O Carrier Detect H D T R I Data Terminal Ready J R I O Ring Indicator P SD-A I Se ...

  • ADTRAN ISU 512 - page 110

    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 Signal Ground C R TS I Ready to Send D C T S O Clear to Send E D S R O Data Set Ready F C D O Carrier Detect H D T R I Data Terminal Ready J * R I O ...

  • ADTRAN ISU 512 - page 111

    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.35 adapter cable, part number 1200072L1. Figure D-6 RS-530 to V.35 Adapter Cable DB25 Female Primary RS-366 DB25 Female Secondary RS-366 DB25 Male RS-366 Port DB25 Male ...

  • ADTRAN ISU 512 - page 112

    Appendix D. Pinouts 96 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 113

    61202.086L1-1 ISU 512 User Manual 97 Acronyms AMI ........................... Alternate Mark Inversion ANI ........................... Automatic Number Identification BONDING ............... Bandwidth On Demand Interoperability Group BRI ............................ Basic Rate Interface CCITT ....................... Consultative Committee for Inter ...

  • ADTRAN ISU 512 - page 114

    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 ....................... Multiline Hunt Group NEBE ......................... Near-End ...

  • ADTRAN ISU 512 - page 115

    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. 2B+D is carried on one or two pairs of wires de- pending on the interface, the same wire pairs that ...

  • ADTRAN ISU 512 - page 116

    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. central office (CO) In telephony, the phone ...

  • ADTRAN ISU 512 - page 117

    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. Digita ...

  • ADTRAN ISU 512 - page 118

    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. The network supports diverse services through integrat- ed access arrangements and defines a ...

  • ADTRAN ISU 512 - page 119

    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. non-ISDN line Any connection ...

  • ADTRAN ISU 512 - page 120

    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.411 Recommendation. synchronous 1. The condition occurring when two events happen in a specific time relationship with each other, both under control ...

  • ADTRAN ISU 512 - page 121

    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. Teleconferencing requires ...

  • ADTRAN ISU 512 - page 122

    Glossary 106 ISU 512 User Manual 61202.086L1-1 ...

  • ADTRAN ISU 512 - page 123

    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 89 ADLP address 37, 41 answer call 54 arrow keys 20, 23 AT commands 85 audio 28 auto answer 33 menu path to configure 33 auto traps 37, 41 B B channel ...

  • ADTRAN ISU 512 - page 124

    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 D channel switch compatibility 68 damage 9 data 56 kbps 28 data 64 kbps 28 data rates 67 data set ready 23 dial 21 dial 336K 51 dial 384K 51 dial 448 ...

  • ADTRAN ISU 512 - page 125

    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 TEI2 64 IFC RJ-45 connectors 9 information desk ISDN 8 initial self test 19 installation 9 interoperability 4, 67 ISDN basic rate switched service 25 i ...

  • ADTRAN ISU 512 - page 126

    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.35 adapter cable 94 V.35 93 port mode 37, 41 powe ...

  • ADTRAN ISU 512 - page 127

    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.25 bis 32 setting the LDN 30 ...

  • ADTRAN ISU 512 - page 128

    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.35 connector 90 pinouts 93 V-35 interface 10 video 336K 52 v ...

  • ADTRAN ISU 512 - page 129

    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. Repa ...

Manufacturer ADTRAN Category Network Card

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