Manuale d’uso / di manutenzione del prodotto ISU 2X64 del fabbricante ADTRAN
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ISU 2x64 Dual Port ISDN Service Unit User Manual Part Numbers 1200051L1 U-Interface Version, 110 VAC 1200051L2 S/T-Interface Version, 110 VAC 1200051L5 S/T-Interface International, 110 VAC 1200051L6 S.
Trademarks: Ascend is a registered trademark of Ascend Communications, Inc. ISU is a trademark of ADTRAN, Incorporated. Macintosh is a registered trademark of Apple Computer, Inc. Teleos is a registered trademark of Teleos Communications, Inc. Windows is a registered trademark of Microsoft corporation.
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 equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (REN) for this equipment.
FEDERAL COMMUNICA TIONS COMMISSION RADIO FREQUENCY INTERFERENCE ST A TEMENT 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.
CANADIAN EMISSIONS REQ UIREMENTS 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 Appara- tus," ICES-003 of the Department of Communications.
CANADIAN EQ UIPMENT LIMIT A TIONS Notice: The Canadian Industry and Science Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protecti ve, operational, and safety requirements.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual i T able of Contents Chapter 1. Understanding ISDN and the ISU 2x64 ...................................................... 1 ISDN Overview .................................................
Table of Contents ii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Software Version ............................................................................................................ 26 Loopback Both DTEs ...................
Table of Contents 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual iii DSR Options .......................................................................................................... 52 Flow Control (asynchronous data format) ....
Table of Contents iv ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Chapter 9. Security and Remote Configuration .......................................................... 73 Security ...................................................
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual v List of Figures Figure 1-1: ISU 2x64 Rear Panel .................................................................................. 2 Figure 1-2: ISU 2x64 Front Panel ....................
List of Figures vi ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure 6-20: Transmit Clock Menu Tree..................................................................... 54 Figure 6-21: Protocol Menu Tree ...........................
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual vii List of T ables Table 1-A: DTE Indicators ....................................................................................... 3 Table 1-B: Recommended Operating Modes .............
List of Tables viii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 1 Chapter 1 Understanding ISDN and the ISU 2x64 ISDN OVERVIEW The Integrated Services Digital Network (ISDN) is a public or pri- vate switched digital network.
Chapter 1.Understanding ISDN and the ISU 2x64 2 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The ISU 2x64 features two RS-530/EIA-232 DTE interfaces and two RS-366 dial interfaces (see Figure 1-1). An RS-530/EIA-232- to-V.35 adapter is available to support V.
Chapter 1. Understanding ISDN and the ISU 2x64 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 3 The ISU 2x64 allows the user to migrate ISDN into existing net- work services and data communications equipment.
Chapter 1.Understanding ISDN and the ISU 2x64 4 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure 1-2 ISU 2x64 Front Panel ISU 2X64 INTEROPERABILITY Telephone networks are evolving from analog technologies to digital technologies such as ISDN.
Chapter 1. Understanding ISDN and the ISU 2x64 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 5 ENTER 123 456 789 #0 * RS CS TD RD LD TR SR ISU CANCEL ENTER 123 456 789 #0 * RS CS TD R.
Chapter 1.Understanding ISDN and the ISU 2x64 6 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D When the ISU 2x64 is used on an existing ISDN line that is not multipoint, with one SPID or no SPID numbers, additional con- siderations should be addressed.
Chapter 1. Understanding ISDN and the ISU 2x64 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 7 Table 1-B Recommended Operating Modes Call T ype Protocol Sync/ Async Rates Supported (bps) DIAL-64K BONDING Sync 56000 64000 Clear Chan Sync 48000 56000 64000 PPP Sync 2400 4800 9600 19200 38400 56000 64000 V .
Chapter 1.Understanding ISDN and the ISU 2x64 8 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D 1. All asynchronous rates support flow control. 2. All dial-up modes support front panel, DTR, RS-366, AT command, and V.25 dialing methods.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 9 Chapter 2 ISDN Service ISDN ORDERING CODES ISDN is a complex service with many network options. Obtain- ing service from the local telephone company and long distance providers can be complicated.
Chapter 2.ISDN Service 10 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D application, then Capability R (previously Generic Data I ) may be more cost-ef fective.
Chapter 2. ISDN Service 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 11 B1 (previously Generic Data B) • 1B service • Data only • One directory number Capability C (previously .
Chapter 2.ISDN Service 12 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D J2 (previously Generic Data J) • 2B service • 1B alternating voice/data, 1B data only • Two directory num.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 13 Chapter 3 Installation After unpacking the unit, immediately inspect it for possible shipping damage. If damage is discovered, file a claim immedi- ately with the shipping carrier , then contact ADTRAN T echnical Support.
Chapter 3.Installation 14 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D If using ISU 2x64, part number 1200051L2, 1200051L4, 1200051L5, or 1200051L6, connect an ISDN Basic Rate S/T interface to the RJ- 45 connector marked ISDN IFC.
Chapter 3. Installation 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 15 MAINTENANCE INTERFACE The Maintenance interface is available at 9600 bps, 8 data bits, no parity , no flow control, asynchr onous format through the Mainte- nance port.
Chapter 3.Installation 16 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DIAL INTERFACE CONNECTION If out-of-band RS-366 dialing is requir ed for applications such as videoconferencing or F AX machines, the dialing interfaces of the host DTE should be connected to the dial ports marked RS-366.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 17 Chapter 4 Operation MENU NAVIGATION Moving through the various menu selections on the ISU 2x64 is a simple task. Four function keys on the left-hand side of the key- pad allow the user to enter , exit, and scroll thr ough the various menu branches.
Chapter 4.Operation 18 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D switch type, SPIDs, LDNs , or Leased/dial line . Also, items such as bit rate , protocol , and call type take effect only at the begin- ning of a new call.
Chapter 4. Operation 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 19 VT 100 Menu Support When connected to an asynchronous VT 100 terminal or VT 100 terminal emulator , use the built-in ISU 2x64 menu system for configuration of both DTE ports.
Chapter 4.Operation 20 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The menu tree allows for set up and operation of the ISU 2x64 from the fr ont panel. The main branches of the menu tree follow: 1. ST A TUS 2. TEST 3. CONFIG (ConÞguration) 4.
Chapter 4. Operation 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 21 Status Screen T o determine the curr ent status of the unit, press Ctrl+V to access the Status Screen (see Figur e 4-2).
Chapter 4.Operation 22 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Configuration Screen Once the unit is selected using the terminal interface, the display shows the Configuration Menu (see Figure 4-3). This scr een shows the current configuration, line, and call status for the selected unit.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 23 Chapter 5 Testing TEST OPTIONS Selecting 2=TEST from the top of the menu tr ee (Figure 5-2) or Ctrl + T from any VT 100 scr een displays available local testing options; this screen is shown in Figur e 5-1.
Chapter 5.Testing 24 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure 5-2 Test Menu Tree Loopback DTE This test causes the DTE port to loop back toward user equip- ment. This allows a bit error rate test (BER T) to be performed from the local end-user equipment to the ISU 2x64 to verify proper cable connection, etc.
Chapter 5. Testing 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 25 Loopback Remote This test causes the ISU 2x64 to issue a V .54 inband loopback command to a far-end unit. External test equipment must be used to generate/check test patterns.
Chapter 5.Testing 26 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The ISU 2x64 must be optioned for Clear Channel operation for DDS and V.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 27 Chapter 6 Configuration DIAL LINE OPERATION This section explains how to configure the ISU 2x64 when using ISDN Basic Rate switched service. Figure 6-3 illustrates the entire menu tree.
Chapter 6. Configuration 28 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure 6-2 VT 100 Configuration Menu Screen Setting the Switch Protocol Find out what kind of ISDN switch the local CO is using by asking the telephone administrator or telephone company representa- tive.
Chapter 6. Configuration D ISU 2x64 Dual Port ISDN Service Unit User Manual 29 1=300 2=1200 3=2400 4=4800 5=9600 2=DTE options 1=Netw. options 1=Asynchronous 2=Synchronous 1=2400 2=4800 3=9600 4=19200 5=38400 1=Normal 2=External 6=48000 7=56000 8=64000 9=112000 0=128000 1=Bit Rate 2=Connector Type 1=RS-530 2=V.
Chapter 6. Cofiguration 30 ISU 2x64 Dual Port ISDN Service Unit User Manual.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 31 Setting the Call Type Call type is configured for both DTE#1 and DTE#2 . When using the front panel, select the appr opriate DTE with either arrow key and press Enter .
Chapter 6. Configuration 32 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Smart Dial Strings In some cases during a dial session it may be desired to change the call type temporarily . At the end of a dialed phone number , a #1,2,3, or 4 can be used to change the call type.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 33 Setting the LDN This option allows the entry of 0, 1, or 2 LDNs. The LDN is used when receiving BONDING calls or r eceiving separate calls for each DTE connection.
Chapter 6. Configuration 34 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Feature buttons ar e buttons that are normally available on ISDN telephone sets. The ISU 2x64 simulates pressing a featur e button when the Busy Out Port option is changed.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 35 RS-366 parallel dialing port, configure the unit for RS-366 dialing. (See Figure 6-4.) This enables the RS-366 port on the r ear of the unit. Whenever this dialing mode is enabled, data terminal ready (DTR) must be active before a call is placed.
Chapter 6. Configuration 36 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D 20 sec or EON: The ISU 2x64 assumes the dial string is fully entered if more than 20 seconds elapse since the last digit was keyed, or the unit receives the EON command.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 37 be terminated at any time by transmitting the CTRL+X (ASCII 018) after the A T attention code. The ISU 2x64 ignores this com- mand line and issues an OK response.
Chapter 6. Configuration 38 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Reading an S-register String T ype A TSS followed by the number of the string S-register to be read followed by a question mark and pr ess Enter .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 39 V.25 Configuring the ISU 2x64 for V .25 bis (see Figure 6-5) enables inband dialing over a DTE interface using asynchronous or syn- chronous V .25 bis commands.
Chapter 6. Configuration 40 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The ISU supports the following V .25 bis commands to control automatic calling and answering: CRN . . . . . . . . . . . . . . . . . . . . Call Request (number in command) CRS .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 41 Figure 6-7 Data Bits Menu Tree The setting in Figure 6-8 allows for V .25 bis messages in asyn- chronous (start/stop) data format. Figure 6-8 V.25 bis ASYNC Menu Tree Although V .
Chapter 6. Configuration 42 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The first byte of each packet contains all ones (A = FF HEX), and the second byte of each packet (the C byte) is either 13 HEX or 03 HEX if not the final packet.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 43 Hang up line command or answered using the Answer Call command. (These commands are found under the Dial branch of the menu tree. See Fr ont Panel Dialing Options on page 63.
Chapter 6. Configuration 44 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure 6-9 Answer Tone Menu Tree No Answer tone (Default) This option disables the Answer tone on all calls. Incoming tone This option enables the Answer tone on incoming calls.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 45 Setting Connect Timout Connect T imout sets the length of time that the ISU 2x64 waits for a far-end unit to answer an outgoing call. These choices ar e illustrated in Figure 6-10.
Chapter 6. Configuration 46 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D When Call Screening is set to Ansr if SN0. . .9 , an incoming call is not answered if the Call ID r eceived from the switch does not match a stored number . Depending on the switch type, the Call ID may be presented in either a seven- or ten-digit format.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 47 Select 100 ohm On to turn on the 100 ohm termination resistance across the S/T transmit and r eceive pairs. Select 100 ohm Off to turn off the 100 ohm termination r esistance across the S/T trans- mit and receive pairs.
Chapter 6. Configuration 48 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D modem application, where two ISU 2x64 units ar e directly con- nected without the use of channel banks (see Figure 6-14). The far-end unit should be configur ed for Slave and derives its clock- ing from the ISU 2x64 configur ed as Master .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 49 connected through one of the bear er channels and could utilize up to 64 kbps of bandwidth.
Chapter 6. Configuration 50 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DTE Options for Asynchronous and Synchronous Operation The DTE options are configur ed separately for both DTE#1 and DTE#2. When using the front panel, select the appr opriate DTE with either arrow key and pr ess Enter .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 51 Bit Rate The Bit Rate can be set asynchronously for 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 1 15200 bps. The Bit Rate can be set synchronously for 2400, 4800, 9600, 19200, 38400, 48000, 56000, 64000, 1 12000, and 128000 bps.
Chapter 6. Configuration 52 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DTR Options Ignore DTR causes the ISU 2x64 to disregar d the state of the data terminal ready (DTR) pin. Cmd when Of f forces the unit into the A T command processor mode when DTR is not asserted.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 53 Figure 6-18 Flow Control Menu Tree Data Format (asynchronous) A frame consists of a start bit, 7 or 8 Data bits, 0 or 1 Parity bit, and 1 to 2 Stop bits. The settings for Data Bits, Parity Bits, and Stop Bits are available as shown in Figur e 6-19.
Chapter 6. Configuration 54 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D This signal is echoed by the ISU 2x64 to the transmit clock signal on the DTE connector .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 55 Setting Protocol Options The ISU 2x64 communicates with many differ ent types of tele- communication equipment including other ISU 2x64s, ISDN ter- minal adapters, Switched 56 DSUs, and BONDING-compatible inverse multiplexers.
Chapter 6. Configuration 56 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Clear Channel Clear channel provides the entir e bearer channel to the DTE with- out regar d to data format or protocol. This provides a rate adap- tation at or near the ISDN circuit rate.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 57 Figure 6-22 Protocol BONDING, Mode 1 Menu Tree The timers are defined as follows: TXINIT This option speci.
Chapter 6. Configuration 58 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D TXDEQ This option specifies the length of time both endpoints attempt to equalize the network delay between the bearer channels befor e determining the BONDING call has failed.
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 59 V.110 The V .1 10 protocol is a CCITT compliant rate adaptation method providing DTE service between the ISU 2x64 Dual Port ISDN Ser - vice Unit and other V .1 10 compliant devices.
Chapter 6. Configuration 60 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D The primary usage for SAP is general purpose asynchr onous rate adaptation in a dial-up or leased environment. SAP only oper- ates on a 64 kbps data link. Figure 6-21 illustrates the menu path for selecting SAP .
Chapter 6. Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 61 When originating calls to unknown units, the ISU begins its pro- tocol selection based on its local Call T ype. (Data 64k is used for F ALLBACK when selected from the Quick Setup menu.
Chapter 6. Configuration 62 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Point-to-Point Protocol (PPP) The ISU 2x64 can be configured for PPP from the protocol options of the configuration menu by selecting 1=PPP or by setting S-r eg- ister S27 to a value of 0.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 63 Chapter 7 Dial Options FRONT PANEL DIALING OPTIONS Selecting 4=DIAL or pressing the # key from the fr ont panel dis- plays the available dialing options (see Figure 7-2). Access the VT 100 T erminal Dial Options Scr een (Figure 7-1) by pr essing Ctrl+D from any scr een.
Chapter 7.Dial Options 64 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Hang up line T erminates curr ent call. Dial number Enter and dial a number from the keypad.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 65 Chapter 8 Quick Setup QUICK SETUP CONFIGURATION To configure the DTE Options quickly and easily, the Quick Set- up menu is available to automatically set up the nine most com- mon DTE configurations.
Chapter 8. Quick Setup 66 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Quick Setup To aid in configuring the ISU 2x64, nine common configurations are preset for Quick Setup . These include: • Synchronous dial operation for 56, 64, 112, and 128 kbps • Asynchronous dial operation for 57.
Chapter 8. Quick Setup 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 67 Dial 64K sync* When the ISU 2x64 is configured for Dial 64K sync service, the fol- lowing parameters are automatically preset: Service type ......................
Chapter 8. Quick Setup 68 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Dial 128K sync* When the ISU 2x64 is configured for Dial 128K sync service, the following parameters are automatically preset: Service type ......................
Chapter 8. Quick Setup 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 69 Dial 115.2 asyn* When the ISU 2x64 is configured for Dial 115.2 asyn service, the following parameters are automatically preset: Service type ....................
Chapter 8. Quick Setup 70 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Leased 64K When the ISU 2x64 is configured for Leased 64K service, the fol- lowing parameters are automatically preset: Service type .............................
Chapter 8. Quick Setup 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 71 Factory Setup To restore the ISU 2x64 to the factory default setup, power the unit off and perform the following steps: 1. While pressing 0 , power the unit on. 2.
Chapter 8. Quick Setup 72 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 73 Chapter 9 Security and Remote Configuration SECURITY The ISU 2x64 provides a front panel keypad locking feature to pre- vent tampering with configuration settings. The feature requires a password to access menus below the top Current-Status menu level.
Chapter 9. Security and Remote Configuration 74 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D password does not match the stored password, the LCD displays a brief message indicating that the entered password was invalid and the top menu is displayed.
Chapter 9. Security and Remote Configuration 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 75 Cfg. Rmt. Unit Cfg. Rmt. Unit causes the ISU 2x64 to place a call to a remote ISU for configuration. The user is prompted for the number to dial and the password for accessing the remote unit.
Chapter 9. Security and Remote Configuration 76 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 77 Chapter 10 Troubleshooting When the ISU 2x64 powers up, it performs an internal self test that takes approximately 10 seconds. At the end of the test, the front panel momentarily displays Self Test Passed .
Chapter 10. Troubleshooting 78 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D If the Euro ISDN or VN4 switch type is selected, the unit will not enter the Ready state until a setup message is sent or received (part number 1200051L5 and 1200051L6).
Chapter 10. Troubleshooting 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 79 D. Talk to the service provider and ensure you have an ISDN Basic Rate U-Interface with 2B1Q line coding (wrong options are an S or T interface or AMI line cod- ing) when using ISU 2x64 part number 1200051L1 or 1200051L3.
Chapter 10. Troubleshooting 80 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D T o isolate the problem, use the following procedure: A. Ensure the ISU 2x64 is set up for the correct switch type. B. Ensure the quality of the line is satisfactory by checking for near- and far-end block errors (NEBEs and FEBEs).
Chapter 10. Troubleshooting 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 81 E. With the ISU 2x64 connected to the ISDN line and pow- ered up, talk to the service provider’s repair group and tell them you have an ISDN basic rate line that appears physically okay but is unable to register its SPID(s).
Chapter 10. Troubleshooting 82 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D 7. If the ISU 2x64 continuously reads Register SPID #2, the ISU 2x64 has completely initialized the first phone number but is unable to establish logical layer 3 for the second phone num- ber.
Chapter 10. Troubleshooting 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 83 If the Wrong DTE Port Answers a Call A common mistake that can easily be made is entering the SPID/ LDN pair swapped between the two DTE ports.
Chapter 10. Troubleshooting 84 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D If you Cannot Connect Calls See Table 10-A for corrective actions if you cannot place calls. Table 10-A Troubleshooting Calls Condition Corrective Action The ISU 2x64 reads Ready but calls cannot be placed.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 85 Chapter 11 Specifications Network Interface • RJ-45 for ISDN Basic Rate U-Interface, part numbers 1200051L1 and 1200051L3 • RJ-45 for ISDN Basic Rate S/T Interface, part numbers 1200051L2, 1200051L4, 1200051L5, and 1200051L6.
Chapter 11. Specifications 86 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Data Rates (DTE) When using single DTE interface: • 300 bps to 115.2 kbps asynchronous • 2400 bps to 128 kbps synchronous When using dual DTE interfaces: • 300 bps to 57.
Chapter 11. Specifications 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 87 Display • Two-line by 16-character LCD • LED Indicators: RS Request to Send Indicates the DTE is ready to transmit. CS Clear to Send Indicates the ISU 2x64 is ready to transmit.
Chapter 11. Specifications 88 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 89 Appendix A AT Commands This Appendix lists the supported AT commands and descrip- tions of their functions. Bold text indicates default settings. Command Function A Answer. Puts the ISU 2x64 in answer mode.
Appendix A: AT Commands 90 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Command Function Carrier Detect (CD) Control Line Options &C0 CD forced On &C1 CD normal &C2 CD of.
Appendix A: AT Commands 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 91 Command Function DTE Data Type Options &Q0 DTE is async &Q1 DTE is sync Clear-To-Send (CTS) Control Li.
Appendix A: AT Commands 92 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Command Function AT Command Response Message Options Q0 Response messages on Q1 Response messages off AT Comma.
Appendix A: AT Commands 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 93 Command Function ISDN Switch Type Options (continued) _S6 TDX10* _S7 TDX1B* _S8 KDD* _S9 NTT* *Only available on part numbers 1200051L5 and 1200051L6.
Appendix A: AT Commands 94 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 95 Appendix B Current Status Messages This appendix lists the status line messages and their definitions. Messages shown entirely in capital letters are generated by the ISDN network. Messages with lower case letters are generated by the ISU 2x64.
Appendix B: Current Status Messages 96 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DMS-100 Ready The ISU is connected to a DMS-100 switch and is ready to place/ receive calls. Euro ISDN Ready The ISU 2x64 is connected to a Euro ISDN switch and is ready to place/receive calls.
Appendix B: Current Status Messages 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 97 NET EOC LOOPBACK The ISU 2x64 has been commanded to perform an ISDN loopback toward the network. NET REM LOOPBACK The ISU 2x64 is performing a V.54 or DDS latching loopback to- ward the network.
Appendix B: Current Status Messages 98 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DSTOP DSU 57.6 Async rate adaptation protocol. DSU57.6 ADTRAN DSU asynchronous protocol. FALLBACK FALLBACK rate adaptation protocol. SAP Simple Adtran Protocol.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 99 Appendix C Status Buffer Messages Messages shown entirely in capital letters are generated by the ISDN network. Messages with lower case letters are generated by the ISU 2x64. Answer 1/2 The ISU answered a call on either the first or second B channel.
Appendix C: Status Buffer Messages 100 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Bad DTE baud The DTE bit rate does not match a valid bit rate for the protocol se- lected. Bad DTE bps Bonding negotiation determined the chosen DTE bit rate is in- valid.
Appendix C: Status Buffer Messages 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 101 BUSY The called number is busy. CallID 1 in use ISU 2x64 tried to place a call using SPID 1 when SPID 1 was al- ready in use. CallID 2 in use ISU 2x64 tried to place a call using SPID 2 when SPID 2 was al- ready in use.
Appendix C: Status Buffer Messages 102 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DEST_OUT_OF_ORDER The called number is out of order. Dial1/2 The ISU 2x64 placed a call on either the first or second channel. The number called is displayed following the message.
Appendix C: Status Buffer Messages 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 103 FACILITY_REJECTED A facility requested cannot be provided by the network. FACILITY_NOT_SUBSCRIBED The channel type requested has not been subscribed.
Appendix C: Status Buffer Messages 104 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D INVALID_ELEM_CONTENTS Call control error. INVALID_MSG_UNSPEC Invalid message, protocol error. INVALID_NUMBER_FORMAT The dialed number has an invalid format.
Appendix C: Status Buffer Messages 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 105 Need 64K call The BONDING protocol requires the ISU 2x64 to be configured for a 64kbps data call type. Negotiation fail The BONDING negotiation has failed.
Appendix C: Status Buffer Messages 106 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D 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 C: Status Buffer Messages 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 107 SReg Set Error Local DTE invalid S-register setting. Sync BPS < 56K The synchronous bit rate selected is too slow for the BONDING protocol. Synch Mismatch Both ends bad synchronization.
Appendix C: Status Buffer Messages 108 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D TXINIT expired Bonding timer TXINIT expired, called non-BONDING equipment or B channel not error free. UNASSIGNED_NUMBER The phone number dialed does not exist.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 109 Appendix D S-Register List S0 ......... AUTO ANSWER Determines how the ISU 2x64 answers an incoming call. 0 = Disable (ISU 2x64 does not answer call) 1 = Enable (ISU 2x64 answers all calls) (default) 2 = Dump all calls S2 .
Appendix D: S-Register List 110 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D S6.........DTR DIAL DELAY Delay time in minutes between consecutive outgoing calls when DTR is set for Dial #0 if on option. S7.........CONNECT TIME Determines how long the ISU 2x64 waits for an out- going call to be answered.
Appendix D: S-Register List 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 111 S22 ....... MSG BITS Miscellaneous message bits (bit 8 is most significant bit). Bit 5 = bit 6 = bit 7 = 1 allows connect message with baud rate. Bit 5 = bit 6 = bit 7 = 0 connect message without baud rate.
Appendix D: S-Register List 112 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D S30 .......DTE CTS Controls the operation of the DTE connector CTS line. 0 = Follows RTS 1 = Forced CTS (default) S31 .......DTE RTS Controls operation of the RTS line.
Appendix D: S-Register List 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 113 S41 ....... BOND TXFA Specifies the number of seconds both endpoints at- tempt to detect the BONDING frame pattern when a call is connected before deciding the BONDING call has failed.
Appendix D: S-Register List 114 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D S47 .......RS 366 TIME Determines the amount of time the RS-366 port waits for either EON or inactivity to terminate a dial string before dialing a number.
Appendix D: S-Register List 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 115 S54 ....... PROTOCOL Rate adaptation protocol type. TYPE 1 = Clear Channel (no rate adaptation) (default) 2 = BONDING mode 1 3 = SAP (Simple Asynchronous Protocol) 4 = T-link 5 = V.
Appendix D: S-Register List 116 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D S59 .......CHANNEL RATE Sets the available network bandwidth when the ISU 2x64 is in leased mode. 3 = 64 kbps 5 = 128 kbps SS60 .....SPID1 LOC Primary SPID string location.
Appendix D: S-Register List 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 117 S74 ....... DTE STOP Selects the number of asynchronous stop bits. More than one option can be set at the same time. 0 = 1 stop bit (default) 1 = 1.5 stop bits 2 = 2 stop bits S75 .
Appendix D: S-Register List 118 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 119 Appendix E Connector Pinouts Figure E-1 EIA-232 Interface Table E-A EIA-232 Interface Pin Name I/O Description 1 ............................ Shield .................... I/O ........ Shield for cable 2 .
Appendix E: Connector Pinouts 120 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Figure E-2 RS-530 Interface Table E-B RS-530 Interface Pin Name I/O Description 1 ........................... Shield ................... I/O ........ Shield for cable 2 .
Appendix E: Connector Pinouts 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 121 Table E-C V.35 Interface (Provided by RS-530/232-to-V.35 Adapter, part number 1200072L1) Pin Name I/O Description A ............................ Shield ..
Appendix E: Connector Pinouts 122 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Table E-D RS-366 Interface Pin Name I/O Description 1 ........................... Shield ................... I/O ........ Shield for cable 2 .............
Appendix E: Connector Pinouts 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 123 Table E-F RJ-45 Dial Line Connector S/T Interface Pin Description 3 TxP 4 RxP 5 RxN 6 TxN Table E-G Mai.
Appendix E: Connector Pinouts 124 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 125 Appendix F Ordering ISDN Without IOCs ISDN is a complex service with multiple options. Obtaining ser- vice from your local telephone company and long distance pr o- viders can sometimes be complicated.
Appendix F: Ordering ISDN Without IOCs 126 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D ISDN Service Ordering Inf ormation for the ADTRAN ISU 2x64 For ADTRAN ISU 2x64 applications, the following guide can be used as an aid in ordering basic ISDN service fr om your local telephone company .
Appendix F: Ordering ISDN Without IOCs 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 127 For service offer ed from an A T&T 5ESS, request a multipoint line, with the following fea.
Appendix F: Ordering ISDN Without IOCs 128 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D For service offer ed from a Northern T elecom DMS-100, r equest a multipoint line, with the following features.
Appendix F: Ordering ISDN Without IOCs 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 129 LOCAL INTERFACE REQUIREMENTS Physical Interface • ISDN Basic Rate Interface (BRI) line • U.
Appendix F: Ordering ISDN Without IOCs 130 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D Long Distance Service If facilities are available, subscribe to long distance service sup- porting the bearer capabilities pr eviously listed. Request service supporting circuit-switched 64 kbps or 56 kbps access.
Appendix F: Ordering ISDN Without IOCs 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 131 Table F-A 5ESS Features Multipoint lines requir e the phone company to create a SPID for each phone number on the line.
Appendix F: Ordering ISDN Without IOCs 132 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D DMS-100 Protocol Version 1 Line Additional Parameters The Northern T elecom DMS-100 telephone switch supports a proprietary ISDN D-channel call contr ol protocol called Pvc1 which is based on CCITT recommendations.
Appendix F: Ordering ISDN Without IOCs 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 133 After Service Is Installed When the line is installed, the following information will be pro- vided by the local phone service provider: • A seven-digit LDN for the line.
Appendix F: Ordering ISDN Without IOCs 134 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 135 Acronyms 2B1Q 2 Binary, 1 Quarternary AMI Alternate Mark Inversion B (Channel) A 64 kbps digital information channel BONDING Bandwidt.
Acronyms 136 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D PRI Primary Rate Interface SPCS Stored Program Controlled Switching System SPID Service Profile Identifier TA Terminal Adapt.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 137 Glossary asynchronous transmission Not Synchronous. A method of data transmission which allows characters to be sent at irregular intervals by preceding each character with a start bit and following it with a stop bit.
Glossary 138 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D 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 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 139 DDS dataphone digital service. AT&T private line service for transmitting data over a digital system.
Glossary 140 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D ISDN Integrated service digital network. A network architecture that enables end-to- end digital connections.
Glossary 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 141 NEXT (near-end crosstalk) Unwanted energy transferred from one circuit to an adjoining circuit.
Glossary 142 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D synchronous 1. The condition occurring when two events happen in a specific time relationship with each other, both under control of a master clock.
Glossary 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 143 2B+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 signalling.
Glossary 144 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 145 Index Numerics 2B1Q leased digital service 47 5ESS custom line additional parameters 130 5ESS features 131 A adapters RS-530-to-V.35 14 always tone 44 answer call 64 answer tone setting 43 async.
Index 146 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D current status menu 18 current status messages 95 D data 56kbps 31 data 64kbps 31 data format (async) 53 data rates (DTE) 86 (network) 85 dial 112K sync 67 dial 115.2 asyn 69 dial 128K sync 68 dial 56K sync 66 dial 57.
Index 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 147 installation ISU 2x64 installation 13 interface maintenance 15 interfaces 2 interoperability 4, 86 ISDN ordering codes 9 overvi.
Index 148 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D maintenance connector, 123 RJ-45 dial line connector S/T inter- face, 123 RJ-45 dial line connector U interface, 122 RS-366, 122 RS-530, 120 V.
Index 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 149 T TANULL 58 TCID 58 terminal ID setting 32 test 2047 both 26 test menu screen 23 test menu tree 24 test options 23 test remote 25 testing 23 T-link 59 transmit clock (async) 53 troubleshooting 77 troubleshooting calls 84 TXADD01 57 TXDEQ 58 TXFA 57 TXINIT 57 V V.
Index 150 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D.
Product Support Information Presales Inquiries and Applications Support Please contact your local distributor, ADTRAN Applications En- gineering, or ADTRAN Sales: Applications Engineering (800) 615-1176 Sales (800) 827-0807 Post-Sale Support Please contact your local distributor first.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il ADTRAN ISU 2X64 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del ADTRAN ISU 2X64 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ADTRAN ISU 2X64 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ADTRAN ISU 2X64 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ADTRAN ISU 2X64, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del ADTRAN ISU 2X64.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ADTRAN ISU 2X64. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ADTRAN ISU 2X64 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
