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COMSPHERE 3500 Series Data Service Units

July 1999

3510-A2-GN32-70

Installation

Overview

4-1

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Installation Planning

4-1

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Important Safety Instructions

4-2

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Installation Procedures

4-3

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Local Area Data Set (LADS) Operation

4-11

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Hardware Strapping

4-11

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DSU Strap Setting Descriptions

4-24

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Alarm Output Installation

4-26

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Appendices

Connector Pins

A-1

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Timing During Testing

B-1

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Equipment List

C-1

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Glossary

Index

Содержание Comsphere 3510

Страница 1: ...COMSPHERE 3500 SERIES DATA SERVICE UNITS MODELS 3510 AND 3511 USER S GUIDE Document No 3510 A2 GN32 70 July 1999 ...

Страница 2: ... Technical Publications Paradyne Corporation 8545 126th Ave N Largo FL 33773 or send e mail to userdoc paradyne com Include the number and title of this document in your correspondence Please include your name and phone number if you are willing to provide additional clarification Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or regist...

Страница 3: ...ervice personnel 6 General purpose cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer 7 When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary ...

Страница 4: ...COMSPHERE 3500 Series Data Service Units C July 1999 3510 A2 GN32 70 Notices ...

Страница 5: ...cedures that could affect the proper operation of your equipment If so you will be given advance notice so as to give you an opportunity to maintain uninterrupted service No repairs may be performed by the user Should you experience difficulty with this equipment refer to the Equipment Warranty and Support section of Chapter 1 For Digital Data Service DDS installations inform the local telephone c...

Страница 6: ...COMSPHERE 3500 Series Data Service Units E July 1999 3510 A2 GN32 70 ...

Страница 7: ...es 1 3 Technical Specifications 1 4 Equipment Warranty and Support 1 6 2 Principles of Operation Network Configurations 2 1 DSU Compatibility 2 3 2600 Series Compatibility 2 4 Local Area Data Set LADS Operation 2 4 3 Operation Overview 3 1 Model 3510 Faceplate 3 1 Model 3511 Faceplate 3 5 Faceplate Operation 3 5 Diagnostic Tests 3 5 Troubleshooting 3 14 2600 Series DSU Emulation 3 18 ...

Страница 8: ...ation Planning 4 1 Important Safety Instructions 4 2 Installation Procedures 4 3 Local Area Data Set LADS Operation 4 11 Hardware Strapping 4 11 DSU Strap Setting Descriptions 4 24 Alarm Output Installation 4 26 Appendices A Connector Pins A 1 B Timing During Testing B 1 C Equipment List C 1 Glossary Index ...

Страница 9: ...chart 3 17 4 1 Model 3510 DSU Rear Panel 4 4 4 2 Front View of the COMSPHERE 3000 Series Carrier 4 6 4 3 Rear View of the COMSPHERE 3000 Series Carrier 4 7 4 4 Model 3511 DSU Installation and Circuit Pack Lock 4 8 4 5 Model 3511 DSU V 35 Adapter Plug Installation Feature Number 3000 F1 510 4 9 4 6 Model 3510 DSU Strap Access 4 12 4 7 Model 3511 DSU CCA Strap and Fuse Locations 4 13 4 8 DSU Strap D...

Страница 10: ...equirements 4 2 4 2 3500 Series DSU LADS Connection 4 11 4 3 Model 3510 and Model 3511 DSU Straps S1 through S5 4 18 4 4 Timing Signal Source Selection for Both Model 3510 and Model 3511 4 20 4 5 Data Rate Selection for Both Model 3510 and Model 3511 4 21 4 6 Model 3510 DSU S4 Selection 4 21 A 1 RJ48S Digital Network Connector Pins for the Model 3510 DSU A 1 A 2 RJ48T Digital Network Connector Pin...

Страница 11: ... Model 3510 and Model 3511 DSUs Chapter 4 provides DSU installation instructions and procedures for setting the hardware straps Appendix A contains interface connector pin assignment information Appendix B provides timing source charts Appendix C provides an equipment list The Glossary provides definitions of all acronyms and product specific terms used in this guide Related Documents 3000 A2 GA31...

Страница 12: ...COMSPHERE 3500 Series Data Service Units vi July 1999 3510 A2 GN32 70 ...

Страница 13: ...erating at data rates up to 64 000 bits per second bps These DSUs are extremely reliable compatible with other DSUs and offer basic diagnostic capabilities Both the Model 3510 and Model 3511 DSUs Figure 1 1 use similar circuit cards Switches on the circuit card allow you to select various options for matching your data terminal equipment DTE to the digital network By selecting the appropriate data...

Страница 14: ...eries Carrier The Model 3511 DSU Figure 1 2 contains gold finger contacts on the rear edge of its circuit card and is used with a rear connector plate The rear connector plate contains two 25 pin DB25 DTE connectors a 25 pin EIA 232 D V 24 connector and a 25 pin ITU T V 35 connector which is shipped with a V 35 adapter If you intend to use a V 35 interface use the adapter to convert the DB25 V 35 ...

Страница 15: ...4 interfacing at data rates through 19 200 bps and ITU T V 35 interfacing at data rates through 64 000 bps Synchronous data transmission capability Local digital and remote loopbacks plus built in test pattern generator checker Both models provide streaming terminal fault out of service and no signal indication capability Elastic store for extended circuits The capability to respond to digital net...

Страница 16: ... with alternate mark inversion AMI encoding LINE REQUIREMENTS DSU LADS Digital Data Service leased 4 wire lines 4 wire private metallic lines ENVIRONMENT Operating Temperature Relative Humidity Storage Temperature Shock and Vibration 40 degrees F 4 degrees C to 120 degree F 49 degrees C 5 to 95 noncondensing 4 degrees to 158 degrees F 20 degrees to 70 degrees C Withstands normal shipping and handl...

Страница 17: ...110 V 35 ISO 2593 Note that the Model 3511 DSU provides an electrical interface but a rear connector plate is required for the physical interface NETWORK INTERFACE Full compliance with AT T Technical Reference 62310 Digital Data System Channel Interface Specification November 1987 Compatible with the DDS DSU portions of Bell Canada Digital Circuit Terminating Equipment DCTE Specifications July 198...

Страница 18: ...tion concerning warranty sales service repair installation documentation or training use one of the following methods Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 1 727 530 2340 ...

Страница 19: ...e DSU such as Paradyne Model 3056 units Multipoint In a multipoint configuration Figure 2 1 a control DSU is connected to multiple tributaries communicating at the same speed on a single digital facility For multipoint networks the DSU at the host end of the circuit is designated as the control the other DSUs are designated the tributaries The control initiates remote diagnostic commands the tribu...

Страница 20: ...COMSPHERE 3500 Series Data Service Units 2 2 July 1999 3510 A2 GN32 70 Figure 2 1 Example Point to Point and Multipoint Networks ...

Страница 21: ...municating with another device and potential operating speed mismatches Table 2 1 DSU Compatibilities Paradyne Devices Communicating with 3510 3511 DSUs Diagnostics Supported Speeds Not Supported by the Combination of DSUs in Kbps 3500 Series DSU 2500 diagnostics No restrictions 2500 Series DSU DATAPHONE II 2500 loopbacks on a point to point network no diagnostics on a multipoint network primary c...

Страница 22: ...tes how a COMSPHERE 6800 Series DATAPHONE II or ANALYSIS network management system NMS sends messages to a 2600 Series shared diagnostic unit SDU which in turn causes a 2600 Series DATAPHONE II DSU to send the above commands to a tributary Model 3510 DSU via the digital network Local Area Data Set LADS Operation Both the 3510 and 3511 Models can be connected to 4 wire nonloaded metallic pairs In t...

Страница 23: ...ests are used to isolate problems when they occur and to verify that problems have been successfully corrected Use the controls and indicators on the standalone and carrier mounted DSUs to operate the units and control the network The faceplate on both the Model 3510 and Model 3511 contains 18 light emitting diodes LEDs and four pushbutton switches The LED indicators light to show the status of ce...

Страница 24: ...of Service No Signal This red indicator signals a network failure OS Slow flash when Out of Service or Out of Frame messages are received from the network NS No Signal Rapid flash when DSU is not receiving signals from the network TEST Test This yellow indicator lights whenever the digital network or a remote DSU initiates testing or the local TP LL DL or RL key is pressed to start testing The tes...

Страница 25: ... pattern generator comparator circuit is active Press the TP pushbutton switch to generate a local test pattern LL Local Loopback This yellow indicator lights when the DSU is in local loopback Press the LL pushbutton switch to initiate a local loopback test DL Digital Loopback This yellow indicator lights when the DSU is performing a digital loopback or a channel loopback Press the DL pushbutton s...

Страница 26: ...SR lead 3 LSD 109 2 Line Signal Detect This green indicator lights when the DSU detects the proper signal from the digital network and places a positive voltage on the LSD lead 3 2 4 4 8 9 6 Data Rate SPEED This green indicator flashes when the DSU has been configured for a data rate of 2400 or 4800 bps If the indicator is steady ON the DSU has been configured at 9600 bps 19 2 38 4 56 64 Data Rate...

Страница 27: ...terface indicators for both the 3510 and 3511 DSUs The status indicators are always active as long as the DSU is functioning properly and has power however you can choose to disable the four test switches via a DSU option in order to prevent unauthorized testing Diagnostic Tests Use diagnostic tests as part of the installation procedure to verify proper operation of the DSU and in response to serv...

Страница 28: ...essage to the DSU transmitter where it is looped back to the receiver Figure 3 3 The receiver then passes the test message it receives to the comparator The comparator checks the received message for errors Errors cause the faceplate Dsbl Fail 3511 or FAIL STR DSBL 3510 indicator to flash At the conclusion of the test the PASS or FAIL indicator lights To start the test press the LL and TP test swi...

Страница 29: ... 2 Device Test Procedure Your Action Local DSU Front Panel Response 1 Press the LL test switch LL indicator lights TEST flashes for 6 seconds and then remains ON 2 Press the TP test switch TP indicator lights TXD and RXD indicators flash If errors are detected the FAIL indicator flashes or remains ON After about 30 seconds the TEST finishes and PASS or FAIL appears TXD and RXD continue to flash 3 ...

Страница 30: ...tor The comparator checks the message for errors Isolated errors cause sporadic flashes of the local DSU front panel FAIL indicator Steady errors cause the FAIL indicator to flash continuously The DTE cable for each DSU is not required to be connected to do this test However to do this test each DSU must be powered on connected to the network and the network line must be functional The remote DSU ...

Страница 31: ...hard failure in either a DSU or the network Table 3 3 Digital Test Point to Point Procedure Your Action Local DSU Front Panel Response 1 Press the RL test switch RL indicator lights TEST flashes for 6 seconds and then remains ON 2 Press the TP test switch and run the test for the desired test interval TP indicator lights TXD and RXD indicators flash Look for FAIL flashes during the test interval 3...

Страница 32: ...igure 3 5 The local DSU passes the received test message to the comparator The comparator checks the message for errors Isolated errors cause single flashes of the local DSU front panel FAIL indicator Steady errors cause the FAIL indicator to flash at a six times per second rate The DTE cable for each DSU is not required to be connected to do this test However to do this test each DSU must be powe...

Страница 33: ... in either a DSU or in the network Table 3 4 Digital Test Multipoint Procedure Your Action Control DSU Front Panel Response 1 Call tributary DSU location agree on test duration of test and request DL test switch be pressed 2 Press the TP test switch and run the test for the desired test interval TP and TEST indicators light TXD and RXD indicators flash Count number of FAIL flashes during the test ...

Страница 34: ...ld be detected appropriately reported and the problem cleared The DSU front panel does not display the test results Make sure the DTE cable is connected to the DSU and the DSU is powered on The DSU is not required to be connected to the network To start the loopback press the LL test switch the DTE sends the test message To return the DSU to normal after the loopback result is determined press the...

Страница 35: ...native Procedure Your Action DSU Front Panel Response 1 DTE turns on Pin 18 of the EIA interface or Pin LL of the V 35 interface which causes the DSU to perform a Local Loopback LL indicator lights TEST indicator flashes After about 6 seconds TEST indicator remains ON 2 DTE sends test message TXD and RXD indicators show interface lead status while test message is transmitted 3 DTE turns off Pin 18...

Страница 36: ...n will respond to DDS network latching loopback sequences While a channel loopback is underway the yellow REM TEST and DL indicators light and the red OS NS and the green OK indicators are on showing that the digital network is carrying a Network Loopback OOS Out of Service message Troubleshooting Additional diagnostic testing can be performed to troubleshoot and correct out of service no signal a...

Страница 37: ...Operation 3 15 3510 A2 GN32 70 July 1999 Figure 3 8 Out of Service Condition Troubleshooting Flowchart ...

Страница 38: ...COMSPHERE 3500 Series Data Service Units 3 16 July 1999 3510 A2 GN32 70 Figure 3 9 No Signal Condition Troubleshooting Flowchart ...

Страница 39: ...Operation 3 17 3510 A2 GN32 70 July 1999 Figure 3 10 Streaming Terminal Condition Troubleshooting Flowchart ...

Страница 40: ... the Digital test The tributary DSU front panel indicators are in the following configurations during a Digital Test Specified Tributary DSU Remote Loopback REM indicator slow flash TEST indicator ON DL indicator ON Other Tributary DSUs Test Mode REM indicator slow flash TEST indicator ON DSU Disable Enable A 3510 DSU can be disabled from an NMS When the DSU is disabled it ignores signals on its s...

Страница 41: ...11 DSUs Installation Planning Your installation site should be clean well lighted well ventilated and free from environmental extremes Allow 2 to 3 feet of clearance at the front and rear of the unit for access and cable connections during installation NOTE DSUs can be operated only at the data rate for which access to the digital network is provided by the telephone company NOTE Before connecting...

Страница 42: ...all warning notices and instructions marked on the DSU or included in this guide If you have a standalone Model 3510 DSU do not attempt to service it yourself as removal of the case will expose you to dangerously high voltage points or other risks Refer all servicing to qualified personnel see the Equipment Warranty and Support section in Chapter 1 HANDLING PRECAUTIONS FOR STATIC SENSITIVE DEVICES...

Страница 43: ...ection later in this chapter 3 Find a suitable non switched ac wall outlet capable of furnishing 90 to 132 Vac 0 07 amps at 117 Vac Label the circuit breaker that controls the outlet and be sure it is set to ON 4 At the rear panel of the DSU Figure 4 1 insert the socket female end of the power cable into the POWER receptacle Ensure that the connector is fully inserted Connect the other end to the ...

Страница 44: ... the OS NS indicator will flash until both DSUs are connected to the LADS circuit 8 The DSU has an EIA 232 D V 24 ISO 2110 connector and a ITU T V 35 connector EIA 232 D V 24 is the factory default setting Switch S3 6 on the CCA is positioned toward the front F Equipment speeds above 19 2 kbps typically use the V 35 interface To configure the DSU to use the V 35 interface set Switch S3 6 on the CC...

Страница 45: ...rocedures for the Model 3511 DSU which is designed for installation in a COMSPHERE 3000 Series Carrier Figure 4 2 These procedures assume that the carrier has been installed properly and is operational CAUTION Discharge any static electricity that may be present on your body by touching a properly grounded object e g cold water pipe frame ground or data cabinet Do not handle the circuit card unnec...

Страница 46: ...COMSPHERE 3500 Series Data Service Units 4 6 July 1999 3510 A2 GN32 70 496 12291 04 Figure 4 2 Front View of the COMSPHERE 3000 Series Carrier ...

Страница 47: ...plate uses the same slot position intended for the DSU 3 Loosely fasten the screw attached to the rear connector plate allowing for slight adjustment that may be needed when installing the DSU 4 Using a Phillips screwdriver loosen the screw holding the circuit pack lock that secures the DSU s latch and rotate the lock to the open position Figure 4 4 Open the latch 5 At the front of the carrier hol...

Страница 48: ...indicators on the faceplate flash as the DSU performs an internal power on self test The green OK indicator then lights for about 20 seconds then the red OS NS flashes If no indicators light verify that the DSU is receiving power 8 Return to the rear of the carrier and tighten the rear connector plate screw 9 At the rear of the carrier connect the DTE interface cable onto the rear connector plate ...

Страница 49: ...ter cable Feature Number 3000 F1 510 2 Connect the 34 pin end of the V 35 adapter to the DTE s V 35 interface cable Tighten the screws on both sides of the connector Installation of the V 35 interface cable is complete NOTE For the V 35 connector the recommended maximum distance between a DTE and a DSU is nominally 1000 feet For the EIA 232 connector the effective shunt capacitance of the circuit ...

Страница 50: ...te the lock to the open position Figure 4 4 Open the latch 2 At the front of the carrier hold the DSU vertically with the latch on its faceplate in the open position Insert the circuit card into the top and bottom circuit card guides 3 Aligning the circuit card with the rear connector plate slide the DSU into the slot until the connectors seat firmly into the back of the carrier 4 Press the facepl...

Страница 51: ...network by setting onboard straps The straps also allow you to configure either type of DSU Model 3510 or 3511 as a LADS for connection to 4 wire metallic circuits Table 4 2 3500 Series DSU LADS Connection Data Rate Wire Gauge AWG Data Rate 19 22 24 26 2 4 20 0 mi 32 2 km 16 6 mi 26 7 km 12 7 mi 20 5 km 9 4 mi 15 1 km 4 8 19 4 mi 31 2 km 12 7 mi 20 5 km 9 6 mi 15 4 km 7 1 mi 11 5 km 9 6 15 2 mi 24...

Страница 52: ... of the front bezel firmly press upward to lift the bezel from the tabs securing it in place 2 Swing the front bezel up and set the bezel aside 3 Refer to the tables included in this section to determine which switches need to be changed Then using a small instrument carefully change the position of the switches 4 Reinsert the front bezel s hinge tabs into position and swing the bezel down Snap th...

Страница 53: ...3510 and 3511 DSUs are shown in Figure 4 8 and described in Figures 4 9 through 4 14 The straps for both models are listed and described in Tables 4 3 through 4 5 Table 4 6 lists all possible network addresses that can be selected by S4 strap settings NOTE Location of the switch markings may vary For clarification switches positioned toward the front of the circuit card F are always Off while swit...

Страница 54: ...COMSPHERE 3500 Series Data Service Units 4 14 July 1999 3510 A2 GN32 70 Figure 4 8 DSU Strap Default Settings ...

Страница 55: ...Installation 4 15 3510 A2 GN32 70 July 1999 Figure 4 9 Data Rate Speed Selection Switch S2 for Model 3510 and Model 3511 DSUs ...

Страница 56: ...COMSPHERE 3500 Series Data Service Units 4 16 July 1999 3510 A2 GN32 70 Figure 4 10 Timing Signal Source Selection Switch S1 Figure 4 11 S1 Default Settings Model 3510 and Model 3511 DSUs ...

Страница 57: ...Installation 4 17 3510 A2 GN32 70 July 1999 Figure 4 12 S2 Default Settings Model 3510 and Model 3511 Figure 4 13 S3 Default Settings Model 3510 and Model 3511 ...

Страница 58: ...R F Selects source of timing signals see Table 4 4 Selects source of timing signals see Table 4 4 Disables circuit assurance function Enables circuit assurance function Holds DSR lead off during LL testing DSR lead normal during LL testing Disables elastic store function Enables elastic store function Disables remote digital loopback testing Enables remote digital loopback testing F Front R Rear 1...

Страница 59: ... Enables continuous control of RTS lead Enables switched control of RTS lead Disables control of LL testing through EIA 232 D V 24 connector Enables control of LL testing through EIA 232 D V2 4 connector Disables control of LL testing through ITU T V 35 connector Enables control of LL testing through ITU T V 35 connector Enables 64 000 bps CC scrambler function Disables 64 000 bps CC scrambler fun...

Страница 60: ... on Pin 25 of EIA 232 D interface Disables test mode indication Enables test mode indication on Pin NN of V 35 interface Not used should be left open Disables DSR always on function Enables DSR always on function Disables diagnostic message clamping Model 3510 only Enables diagnostic message clamping Model 3510 only F Front R Rear 1 Selections are the same for Model 3510 and Model 3511 unless othe...

Страница 61: ...00 bps 0 dBm 19 200 bps 10 dBm 19 200 bps 0 dBm 19 200 bps 6 dBm 38 400 bps 6 dBm 56 000 bps 6 dBm 64 000 bps CC 6 dBm 64 000 bps LADS 6 dBm F Front R Rear NOTE Other data rate combinations should not be used Table 4 6 1 of 4 Model 3510 DSU S4 Selection Network Switch S4 Selection Network Address 1 2 3 4 5 6 1 R R R R R F 2 R R R R F R 3 R R R R F F 4 R R R F R R 5 R R R F R F 6 R R R F F R 7 R R ...

Страница 62: ...R R F R F F 12 R R F F R R 13 R R F F R F 14 R R F F F R 15 R R F F F F 16 R F R R R R 17 R F R R R F 18 R F R R F R 19 R F R R F F 20 R F R F R R 21 R F R F R F 22 R F R F F R 23 R F R F F F 24 R F F R R R 25 R F F R R F 26 R F F R F R 27 R F F R F F 28 R F F F R R 29 R F F F R F 30 R F F F F R 31 R F F F F F 32 F R R R R R 33 F R R R R F 34 F R R R F R 35 F R R R F F F Front R Rear ...

Страница 63: ... F R R F R F 38 F R R F F R 39 F R R F F F 40 F R F R R R 41 F R F R R F 42 F R F R F R 43 F R F R F F 44 F R F F R R 45 F R F F R F 46 F R F F F R 47 F R F F F F 48 F F R R R R 49 F F R R R F 50 F F R R F R 51 F F R F R R 52 F F R F R R 53 F F R F R F 54 F F R F F R 55 F F R F F F 56 F F F R R R 57 F F F R R F 58 F F F R F R 59 F F F R F F 60 F F F F R R F Front R Rear ...

Страница 64: ...ns on in response to the Request to Send lead if there is a valid data or control signal from the network NOTE If the DTE Request to Send RTS interface lead is ON and the DSU is not receiving a data signal from the network the DSU sends a continuous MARK signal to the network S1 4 DSR Normal during Local Loopback DSR ON during Local Loopback When enabled this strap forces the DSR lead ON during a ...

Страница 65: ...ough EIA 232 D Connector When enabled this strap permits the use of Pin 18 of the EIA 232 D interface to initiate a Local Loopback S3 4 Local Loopback LL through ITU T V 35 Connector When enabled this strap permits the use of Pin LL of the V 35 interface to initiate a Local Loopback S3 5 Scrambler This strap enables the data scrambler to be used with 64 kbps Clear Channel operation Select this str...

Страница 66: ...bled NOTE This strap is only required for Model 3510 tributary DSUs installed in DATAPHONE II 2600 diagnostic networks For all other applications Diagnostic Message Clamping should be disabled Alarm Output Installation The carrier alarm relay installed in the COMSPHERE 3000 Series Carrier activates when there is a carrier failure or a network failure of the associated digital circuit When operated...

Страница 67: ... assignments for this interface are listed in Table A 2 Canadian purchasers of Model 3510 DSUs receive a cable that adapts the 8 pin USOC RJ48S connector on the rear of the DSU to the 6 pin Datarouter standard The pin assignments for this interface are listed in Table A 3 For Model 3511 DSUs in a COMSPHERE 3000 Series Carrier an adapter cable is available refer to the COMSPHERE 3000 Series Carrier...

Страница 68: ...Circuits Transmit Circuits T R T1 R1 1 or 9 2 or 10 3 or 11 4 or 12 5 or 13 6 or 14 7 or 15 8 or 16 26 28 30 32 34 36 38 40 1 3 5 7 9 11 13 15 27 29 31 33 35 37 39 41 2 4 6 8 10 12 14 16 Table A 3 Standalone Model 3510 Canadian Adapter Cable Pins RJ48S RJ11 Pin Circuit Name Pin Circuit Name 1 2 3 4 5 6 7 8 R1 T1 Not used Not used Not used Not used T R 1 2 3 4 5 6 Not used T R1 T1 R Not used ...

Страница 69: ... A V 35 adapter an interface between the 25 pin ITU T V 35 connector and a standard 34 pin V 35 connector is shipped with the rear connector plate Figure A 2 shows the rear connector plate and Figure A 3 shows the V 35 adapter Table A 6 identifies the adapter s pin assignments Table A 4 Model 3510 and 3511 DSU 25 Pin EIA 232 D V 24 Connector Pins Pins EIA 232 D Identifier ITU T Identifier Function...

Страница 70: ... 102 103 a b 104 a b 105 106 107 109 113 a b 114 a b 115 a b 141 142 Signal Ground Transmitted Data TXD Received Data RXD Request to Send RTS Clear to Send CTS Data Set Ready DSR Line Signal Detect LSD Positive Test Voltage Negative Test Voltage Transmitter Signal Element Timing DTE Source Transmitter Signal Element Timing DCE Source Receiver Signal Element Timing DCE Source Local Loopback Test Mo...

Страница 71: ... B C D E F H J L N P S R T U W V X Y AA HH KK NN Signal Ground Request to Send RTS Clear to Send CTS Data Set Ready DSR Received Line Signal Detect RLSD Data Terminal Ready DTR Ring Indicator RI Local Loopback LL Remote Digital Loopback RL Transmitted Data TXD Received Data RXD Transmitter Signal Element Timing DTE Source Receiver Signal Element Timing DCE Source Transmitter Signal Element Timing ...

Страница 72: ...COMSPHERE 3500 Series Data Service Units A 6 July 1999 3510 A2 GN32 70 ...

Страница 73: ...he following tests Digital Test Charts 1 or 2 Device Test Chart 3 Digital Loopback Chart 4 Test Pattern Chart 5 The chart number is located in the upper left hand corner of each segment of Figure B 1 above the name of the test For each test find the appropriate timing column down through the steps in the test to determine the source of timing changes NOTE For Digital Test the configuration for bot...

Страница 74: ...COMSPHERE 3500 Series Data Service Units B 2 July 1999 3510 A2 GN32 70 Figure B 1 DSU Timing Chart 1 of 2 ...

Страница 75: ...Timing During Testing B 3 3510 A2 GN32 70 July 1999 Figure B 1 DSU Timing Chart 2 of 2 ...

Страница 76: ...COMSPHERE 3500 Series Data Service Units B 4 July 1999 3510 A2 GN32 70 ...

Страница 77: ...6476245 Rear Connector Plate 25 Pin EIA 232 25 Pin ITU T V 35 3000 F1 021 106476229 V 35 Adapter Cable 3000 F1 510 106476237 V 35 Adapter Plug 3000 F1 511 Modular 8 pin to 8 pin RJ45S Network Cable 14 3600 F3 501 25 3600 F3 502 107331381 107331365 Modular 8 pin to 6 pin Network Cable for the Model 3510 in Canada 3000 F1 006 106239155 COMSPHERE 3000 Series Carrier Installation Manual 3000 M3 001 C ...

Страница 78: ...Connector Plate 25 Pin EIA 232 25 Pin CCITT V 35 315 0023 0131 AC Power Cord included with Model 3510 125 0007 0031 V 35 Adapter 002 0096 0031 Modular 8 pin to 8 pin RJ45S Network Cable 14 035 0116 1431 25 035 0116 2531 Modular 8 pin to 6 pin Network Cable for the Model 3510 in Canada 125 0089 0731 LCD 16 characters by 2 lines with Cable 153 0009 1131 Membrane Switch 631 0014 0031 COMSPHERE 3000 S...

Страница 79: ...ital network Data Set Ready DSR A signal issued by the DSU to indicate that it is powered on and ready to transmit data Data Terminal Equipment DTE Terminal equipment connected to the DSU that is used for communication over digital networks May be a terminal computer printer or multiplexer Data Terminal Ready DTR An EIA 232 D signal which indicates that the DTE is ready for operation DATAPHONE II ...

Страница 80: ...network trouble signal that indicates that frame alignment has been lost Out of Service OOS A digital network trouble signal that indicates the terminal or the access line is out of order rear connector plate A plate with two DTE connectors that is used with a Model 3511 DSU a modular DSU The rear connector plate is mounted onto the rear of the carrier It allows removal of a Model 3511 DSU without...

Страница 81: ... test 3 18 Loopback 3 18 Transmit Test Pattern 3 18 compatibility 2600 Series DSUs 2 4 compatibillity 2500 Series DSUs 2 3 2600 Series DSUs 2 3 3056 DSUs 2 3 3456 DSUs 2 3 DATAPHONE II 2 3 DSU 2 3 COMSPHERE 3000 Series Carrier front view 4 6 rear view 4 7 configurations multipoint 2 1 network example 2 2 network 2 1 point to point 2 1 network example 2 2 connection digital network 4 10 LADS 4 11 V...

Страница 82: ...e Enable command 3 18 disruptive test commands 3 18 DL indicator 3 3 Dsbl Fail indicator 3 3 DSR always ON S5 description 4 25 indicator 3 4 normal during Local Loopback S1 description 4 24 DSU compatibility 2 3 line requirements 1 4 timing chart B 2 DTE interfaces 1 5 E EIA 232 D connector A 3 DTE interface S3 4 25 interface test mode indication S5 description 4 25 Local Loopback S3 4 25 elastic ...

Страница 83: ...4 3 rear panel 4 3 removing and replacing 4 5 strap access 4 12 faceplate 3 1 3 2 Model 3511 DSU 1 2 installation 4 2 4 5 4 10 removal 4 10 strap and fuse location 4 13 V 35 adapter installation 4 9 faceplate 3 5 installation and circuit pack lock 4 8 modulation 1 4 mounting 1 4 multipoint configurations 2 1 DATAPHONE II network 2 4 Digital Test 3 10 diagram 3 10 procedure 3 11 test results 3 11 N...

Страница 84: ...ons 4 25 strap selection 4 19 S3 default strap settings 4 17 descriptions 4 25 strap selection 4 19 S4 descriptions 4 25 network address switch selection 4 21 strap selection 4 19 S5 default strap settings 4 18 descriptions 4 25 strap selection 4 20 safety approval 1 5 instructions 4 2 scrambler S3 description 4 25 shock and vibration 1 4 signal ground frame ground S5 description 4 25 specificatio...

Страница 85: ...t DSU B 2 during testing B 1 S1 description 4 24 source Switch S1 strap selection 4 16 4 20 TP indicator 3 3 Transmit Test Pattern command 3 18 troubleshooting 3 14 TXD indicator 3 3 U UL approval 1 5 V V 35 adapter A 5 C 1 C 2 connector pins A 5 installation 4 9 connector A 3 DTE interface S3 4 25 interface connection 4 9 installation 4 9 test mode indication S5 description 4 25 Local Loopback S3...

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