Wang TP-NETMUX Maintenance Manual Download Page 57 | Manualshive

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Summary of Contents for TP-NETMUX

Page 1: ...idered CompanyProprietmy and itsuse is restricted solelyto assisting you in servicing Wang products Neither this document nor its contents maybe didOSC d copied revealed orused inwholeorinpartforanyot...

Page 2: ...this manual is to provide the Wang trained Customer Engi neer CE with sufficient instructions to operate troubleshoot and repair the TP NETMUX The manual will be updated on a regular schedule or as ne...

Page 3: ...l l I I II I 11111I1111IllI1111 I l l 1 2 1 2 ORGANIZATION AND LAYOUT 1 3 SECTION 2 IDENTIFICATION Page 2 1 MAJOR PARTS 2 2 SECTION 3 CONTROLS AND INDICATORS Page 3 1 REAR PANEL CONTROLS AND INDICATOR...

Page 4: ...E 4 3 SECTION 5 PREVENTIVE MAINTENANCE This section contains no information since no preventive maintenance is required in the TP NETMUX SECTION 6 TROUBLESHOOTING Page 6 1 DIAGNOSTICS AND ERROR CODES...

Page 5: ...PLACEMENT Page 7 1 COVER 7 2 7 2 PC BOARD ASSEMBLY 7 3 7 3 POWER SUPPLY 7 4 7 4 MODEM 7 5 SECTION 8 ADJUSTMENTS This section contains no information since no adjustments are required in the TP NETMUX...

Page 6: ...X POWER CONNECTION 9 6 9 5 TP NETMUX TO USER OUTLET CONNECTION 9 7 9 6 TP NETMUX TO PERIPHERAL DEVICE CONNECTIONS 9 8 9 7 DETERMINING MANUFACTURING IDENTIFICATION NUMBER 9 12 9 8 DETERMINING PORT NUMB...

Page 7: ...EATURES 10 2 10 2 NEW FUNCTIONS 10 3 10 3 BLOCK DIAGRAM DESCRIPTION 10 5 10 4 OVERALL BLOCK DIAGRAM 10 7 10 5 NETMUX CHIP BLOCK DIAGRAM 10 8 SECTION 11 SPECIFICATIONS Page 11 1 HARDWARE 11 2 11 2 TWIS...

Page 8: ...TABLE OF CONTENTS SECTION 12 ILLUSTRATED PARTS Page 12 1 MAJOR COMPONENTS 12 2 12 2 SUBASSEMBLIES AND ACCESSORIES 12 3 741 1836 Page viii COMPANY CONFIDENTIAL...

Page 9: ...I I...

Page 10: ...1 1un1 1 INTRODUCTION Page 1 1 SCOPE AND PURPOSE 1111 I I I I I I I I ti I I 1111111 II I I II I I l l I I 1111 I I I I I I I I I l l I I I 111 I I 1 2 1 2 ORGANIZATION AND LAYOUT 1 3 741 1836 Page 1...

Page 11: ...TP NETMUX Also included is a functional description and an illus trated breakdown of replaceable parts The purpose of this manual is to pro vide Customer Engineering personnel with the information nec...

Page 12: ...round the various illustrations Each section is preceded by the sec tion number and a section table of contento The sections and the corre sponding frames are arranged in nu merical sequence from left...

Page 13: ...SECTION2 IDENTIFICATION...

Page 14: ...SECTION 2 CONTENTS SECTION 2 IDENTIFICATION Page 2 1 MAJOR PARTS 2 2 741 1836 Page 2 1 COMPANY CONFIDENTIAL...

Page 15: ...2 1 Maior Parts IDENTIFICATION DAUGHTER PCB 28 CHANNEL MODEM e END 741 1836 Page 2 2 COMPANY CONFIDENTIAL...

Page 16: ......

Page 17: ...SECTION 3 CONTENTS SECTION 3 CONTROLS AND INDICATORS Page 3 1 REAR PANEL CONTROLS AND INDICATORS 3 2 3 2 REAR PANEL CONNECTORS 3 3 3 3 FRONT PANEL INDICATOR 3 4 741 1836 Page 3 1 COMPANY CONFIDENTIAL...

Page 18: ...r 115 or 230 Vac operation 8 part diagnostic LED 7 segment LED Channel select switches LED status display of 5 Vdc voltages and modem control signals LED status display of error codes gener ated by in...

Page 19: ...ectors Type and Function Receptacle for ac power cable 50 pin connect TP NETMUX to peripheral devices via multipair cables or 8 section modular connectors F type TX RX terminals of TP NETMUX which con...

Page 20: ...II Item Name Type and Function 1 Power indicator LED illuminates when ac power is on e END 741 1836 Page 3 4 COMPANY CONFIDENTIAL...

Page 21: ......

Page 22: ...SECTION 4 CONTENTS SECTION 4 OPERATION Page 4 1 POWER UP PROCEDURE 4 2 4 2 POWER DOWN PROCEDURE 4 3 741 1836 Page 4 1 COMPANY CONFIDENTIAL...

Page 23: ...dure II Turn TP NETMUX ac power switch on 1 fl Report any error codes appearing on 7 segment LED and indications on 8 part status LED to appropriate administrator 741 1836 Page 4 2 OPERATION e END COM...

Page 24: ...4 2 Power Down Procedure II Turn TP NETMUX ac power switch off 0 741 1836 Page 4 3 OPERATION e END COMPANY CONFIDENTIAL...

Page 25: ......

Page 26: ...SECTION 5 CONTENTS SECTION 5 PREVENTIVE MAINTENANCE This section contains no information since no preventive maintenance is required in the TP NETMUX 741 1836 Page 5 1 COMPANY CONFIDENTIAL...

Page 27: ......

Page 28: ...TROUBLESHOOTING Page 6 1 DIAGNOSTICS AND ERROR CODES 6 2 6 2 TEST PROGRAM DESCRIPTION 6 4 6 3 TEST PROGRAM OPERATION 6 5 6 3 1 Normal Power Up Operation 6 5 6 3 2 Special Diagnostic Uses 6 6 741 1836...

Page 29: ...the cus tom IC The most likely cause for a Register test failure is a problem with the custom IC Note that when usiny an In Circuit Emulator stop ping the system and restarting from 0000 will result...

Page 30: ...diatnostics it is run only under diagnostics 98 and 94 Change the custom IC 8 After passing 1 an 8 indicates fail ure of the Bus Request test The system is unable to do OMA opera tions These operatio...

Page 31: ...S240 V L3038 3 Fifa test 74ALS1 51 loopback path WL3038 drivers and receivers 4 5 6 7 8 9 A F CRC test Slave channel driver receiver test Interrupt on received data test 256 byte test Bus request test...

Page 32: ...tuned to The program will sequentially execute tests numbered 0 thru 9 de scribed on the previous page If any test should fail the diagnostic LED will display the test number steadily and the test wi...

Page 33: ...r first sets the switch and then turns on power to the unit The test selected by each switch setting is shown below Switch Setting 90 91 92 93 94 95 96 98 NOTE The most effective way to use these test...

Page 34: ...odem test on a se lected channel switch setting 97 99 Loop through all tests except the modem test switch setting 98 NOTE A 40 dB loopback connector must be assembled for use in running the mo dem tes...

Page 35: ...been recorded 7 Select switch setting 99 NOTE If the TP NETMUX was unable to read back the characters it transmitted on the 40 dB loopback an F will appear on the LED indicating a test failure The F w...

Page 36: ...wer to TP NETMUX NOTE If all tests pass the program will con tinuously loop If a test fails the pro gram will loop on the failing test Be cause the longest test is the SAAM test 1 that number will dom...

Page 37: ......

Page 38: ...SECTION 7 CONTENTS SECTION 7 PARTS REPLACEMENT Page 7 1 COVER 7 2 7 2 PC BOARD ASSEMBLY 7 3 7 3 POWER SUPPLY 7 4 7 4 MODEM 7 5 741 1836 Page 7 1 COMPANY CONFIDENTIAL...

Page 39: ...fJ If cabinet has rack mount ears mounted remove two screws securing each 8 Remove two screws at bottom front D Remove two screws on rear panel 11 Slide cover forward about one inch and lift off To re...

Page 40: ...tJ Remove all cables connecting to board assembly II Remove four screws securing motherboard 741 1836 Page 7 3 D Remove three screws from rear panel e Lift mother daughter board assembly away from ch...

Page 41: ...all cables connecting to board assembly II Remove screw securing power supply to chassis bottom 741 1836 Page 7 4 D Remove two screws securing power supply to rear panel II Lift power supply away fro...

Page 42: ...S REPLACEMENT To remove D Remove cover 7 1 fl Remove PC board assembly 7 2 IIRemove four screws from bottom of chassis D Remove modem To replace Reverse above procedure 741 1836 Page 7 5 e END COMPANY...

Page 43: ......

Page 44: ...SECTION 8 CONTENTS SECTION 8 ADJUSTMENTS This section contains no information since no adjustments are required in the TP NETMUX 741 1836 Page 8 1 COMPANY CONFIDENTIAL...

Page 45: ......

Page 46: ...R OUTLET CONNECTION 9 7 9 6 TP NETMUX TO PERIPHERAL DEVICE CONNECTIONS 9 8 9 7 DETERMINING MANUFACTURING IDENTIFICATION NUMBER 9 12 9 8 DETERMINING PORT NUMBERS 9 14 9 9 DETERMINING CHANNEL SETIING 9...

Page 47: ...s to be con nected to it Distances for both coax cable and twisted pair wiring must stay within specified limits Additional consideration must be given to config uration status of the user outlet port...

Page 48: ...l pe ripheral devices and cabling compo nents with the TP NETMUX may cause damage to the cabling or to the equipment itself The twisted pair cable 25 pair is cus tom buiit to accommodate particular si...

Page 49: ...nectors on each end This cable links a Wang modular adapter to a Wang TP adapter described below A 6 x 6 pin modular cord is available in two lengths standard 12 5 ft 3 8 m P N 420 1176 or optional 25...

Page 50: ...ipping list Car ton should contain the following TP NETMUX unit AC power cable WangNet TP NF TMUX Serial De vice Multiplexer Reference Guide 10 ft WangNet rf interconnecting cable 2 Check all items fo...

Page 51: ...within cabling distance of its assigned cable outlet fl Check that ac power switch is rF OJ 8 Check that line voltage switch is set for correct supply voltage D Connect TP NETMUX ac power cable to se...

Page 52: ...out let with a standard 10 ft optional 25 ft Wang broadband cable Gold TX and silver RX connectors must be matched at each end of cable CAUTION TX connectors are left threaded and RX connectors are r...

Page 53: ...stem between the TP NETrv1UX and each serial device mu t include a multipair cable and or modu lar adapter a modular cord and a TP adapter balun CAUTION Use only cables meeting Wang specifi cations Us...

Page 54: ...odular cord into a Wang TP adapter D Connect BNC TNC serial connectors on TP adapter to serial peripheral device assigned to that port number CAUTION Do not connect Models CIU A 8 or C or Wang Telecom...

Page 55: ...adapter Switch 1 is the active switch Switch 2 is not functional and may be left in either position Cl Verify the total length of twisted pair wiring between TP NETMUX and TP adapter IISet Distance Mo...

Page 56: ...es may be supplied by the customer or other vendors but the TP wiring must meet the published Wang specifications All the precautions given in this section will of course apply to a customer hookup On...

Page 57: ...it in the MFID and then alternately displaying high and low order digits until all digits have been shown The LED displays an H to indi cate that the following digit is a high order digit and an L to...

Page 58: ...digit by turning upper rotary switch to 8 Set units digit by turning lower switch to 0 D Set power switch to 1 on D Record each MFID digit in its order of apearance on 7 segment LED ignore Hs and Ls...

Page 59: ...the same muxport numbers as the 50 pin connector on the TP NETMUX to which it is connected either directly or via a multipair cable The VS CPU assigns a device address DA to each MFID muxport number...

Page 60: ...t be set to the same channel NOTE Channel selection becomes effective only after the ac power switch on the TP NETMUX is turned off and then on To select or change an rf channel 1 Turn ac power switch...

Page 61: ...INSTALLATION 9 10 Configuring Operating System Software Refer to the appropriate software re lease for OS 7 20 with TP NETMUX 741 1836 Page 9 16 e END COMPANY CONFIDENTIAL...

Page 62: ...After successful initilization power up all attached serial devices and follow standard operating procedures The 7 segment LED should display a flickering 1 The TP NETMUX will next poll its baseband...

Page 63: ......

Page 64: ...i 1u FUNCTIONAL DESCRIPTION Page 10 1 GENERAL FEATURES 10 2 10 2 NEW FUNCTIONS 10 3 10 3 BLOCK DIAGRAM DESCRIPTION 10 5 10 4 OVERALL BLOCK DIAGRAM 10 7 10 5 NETMUX CHIP BLOCK DIAGRAM 10 8 741 1836 Pag...

Page 65: ...on This package con figuration is the same as that used for several other WangNet products The unit is forced air cooled with a 12 vdc fan to improve its operation in telephone closets where tempera t...

Page 66: ...connec tors are carried to the vicinity of the slave devices by 25 pair twisted pair cables which have 50 pin male con nectors on one end and 50 pin female connectors on the other A 50 pin to 8 RJ11...

Page 67: ...X had 4K of RAM lo cated at 1OOOH to 1FFFH The TP NETMUX has an additional BK of RAM located at BOOOH to 9FFFH This BK block can be accessed again at AOOOH COOOH and EOOOH It need not be tested and sh...

Page 68: ...gic which samples the input serial data and ex tracts the 8 bit data and the corre sponding CRC bytes or parity bits The data is then loaded into a 32 x 10 bit receive FIFO The output of the receive F...

Page 69: ...ut when it is asserted Since WangNet has separate trans mit and receive rf cables the data transmitted by any device will appear on the receive cable after passing throu9h the head end As a result the...

Page 70: ...a rd ZBO CPU Memory Status Controls rr1vero eceivers aluns for 16 Ports 50 Pin Talco Conn I I Drivers Receivers Baluns For 16 Ports 2 50 Pin Talco Conn Four 50 Pin Conductor Cables To Connector Block...

Page 71: ...Data RF Data seband Ba Data RF Data 741 1836 Receive Logic Transmit Logic 2 x 10 flDO RD7 Receive IFO 800 807 V_ 32 x 10 KTDO TD7 Transmit FIFO Page 10 8 s t a t u s 8 u f f e r 00 07 c 0 m m a n d OM...

Page 72: ......

Page 73: ...SECTION 11 CONTENTS SECTION 11 SPECIFICATIONS Page 11 1 HARDWARE 11 2 11 2 TWISTED PAIR WIRING GUIDELINES 11 5 741 1836 Page 11 1 COMPANY CONFIDENTIAL...

Page 74: ...Power Requirements 115 Vac or 230 Vac 100 o 50 Hz to 60 Hz 0 7 amp at 115 Vac or 0 35 amp at 230 Vac Power Dissipation 81 watts Heat Output 275 Btu hr Data Transfer Rate 4 27 Mbps Data Format Asynchro...

Page 75: ...5 22 245 2 05 141 5 23 285 1 06 149 5 24 293 1 08 165 4 25 301 1 09 173 4 26 309 0 10 181 4 27 317 0 11 189 4 28 325 0 12 197 4 29 333 0 13 205 4 30 341 0 14 213 4 31 349 0 Peripheral Attachment Servi...

Page 76: ...ative to transmit carrier RF Transmit Spurious Level Addi Non Bandwidth tive additive MHz d Bc dBc 10 82 72 55 82 350 50 45 350 400 55 45 RF Carrier Turn On Ti me 3 usec maximum RF Receiver Input Leve...

Page 77: ...loop resistance nom 22 AWG 32 3 ohms 1 ODO ft 24 AWG 51 3 ohms 1000 ft Mutual capacitance nom 22 AWG 15 0 to 19 0 pF ft 24 AWG 17 5 to 20 4 pF ft Characteristic impedance A nom 1 MHz 84 113 ohms Retu...

Page 78: ...l device Also an additional 100 feet of single user ca ble may be added to multi user cables of maximum length for example 100 ft of 2 pair cable may be added to two pairs of wires in a 400 ft 25 pair...

Page 79: ......

Page 80: ...SECTION 12 CONTENTS SECTION 12 ILLUSTRATED PARTS Page 12 1 MAJOR COMPONENTS 12 2 12 2 SUBASSEMBLIES AND ACCESSORIES 12 3 741 1836 Page 12 1 COMPANY CONFIDENTIAL...

Page 81: ...USTRATED PARTS 12 1 Maior Components Item Part Number Description 1 212 7105 Mother Daughter Board 2 279 0723 28 Channel Modem 3 270 1065 SPS78 Power Supply e END 741 1836 Page 12 2 COMPANY CONFIDENTI...

Page 82: ...Description 1 220 3234 34 Position Socket to Socket 4 Cable 2 220 0294 10 ft Equipment Cable 3 451 5458 Wall Mounting Adapter Bracket 4 451 5456 Rack Mounting Adapter Bracket Left 5 451 5455 Rack Mou...

Page 83: ...WANG WANG LABORATORIF S INC ONB INDUSTRIAL AVBNUH LOWELL MA 01851 e TBLBPHONB 617 459 000 TBLBX 94 7421 0 Vl PA N NFl DI I l I A L PRINTED IN U S A...

Page 84: ...END...

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