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Содержание TCB-1

Страница 1: ...WANG TELECOMMUN ICATION CONTROLLERS Models TCB 1 DLP 64 DLP 128 Customer Engineering Product Maintenance Manual 7300 729 0887 B...

Страница 2: ...s It will be updated on a regular schedule Third Edition February 1984 This edition of this STD m nual ob oletes document s no 729 0887 and 729 0887 A The material in this document may only be used fo...

Страница 3: ...2 3 3 2 4 3 2 5 3 2 6 3 3 3 4 3 5 3 6 CHAPTER 4 4 1 4 2 4 3 4 3 1 4 3 2 4 3 3 4 3 4 Introduction TC Controller Software Support 3270 Software Emulation Asynchronous Operation Bisynchronous Operation R...

Страница 4: ...Panel Installation Diskette Drive Installation Winchester Controller A And B Cab le Removal PC Guide Block Installation TC Controller PCB Installation 105 115 125A 130A Masters Winchester Controller...

Страница 5: ...1 Corrective Maintenance 5 1 Troubleshooting Check List 5 1 Power Up Diagnostics 5 3 TCB 1 Power Up Diagnostics 5 3 TCB 1 Loopback Test Procedure Requirements 5 6 DLP 64 128 Power Up Diagnostics 5 7...

Страница 6: ...Installation 140 145 Masters Rear Cover Plate Removal TC Rear Panel Installation 140 145 RS 232 C or RS 366 Interface Cable Installation Installed from inner side ot TC rear panel X 21 Cable Installat...

Страница 7: ...frame slot TC Controller PCB Installation Lamp Board Installation RS 232 C or RS 366 In erface Cable Installation X 21 Interface Cable Installation TC Rear Panel Installation Interface Cable Connectio...

Страница 8: ...icators Switch Bank SWl Switch Settings Fir st TC Controller SWl Switch Settings Second TC Controller Switch Bank SWl Swit h Settings Leased Line Modem Operation Null Modem Switch Settings PC Guide Bl...

Страница 9: ...anner OIS and Alliance Systems TCB 1 as TC SC 1 TC SC 2 TC AC 2 or 6554 lA through 6554 4A DLP 64 as TCB 3 64K or OIS TC DLP 128 as TCB 3 OIS TCl VS Systems TCB 1 as DLP 64 as DLP 128 as 6554 1 throug...

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Страница 11: ...A and 140 145 Masters and in the Telecol1Ul1unications Processor TCP One TC Controller may be used on OIS 40 50 105 115 125A 130A Systems while 140 145 Systems may be configured with two Up to four TC...

Страница 12: ...s N A B I s y N c A s y N c WSN Multi Point Primary WSN Multi Point Secondary WSN Point to Point IDS X 25 3274 SNA SDLC 3777 SNA SDLC 2780 3780 WPS Enhanced 32 71 BSC Async T1V 1 ITeletex Tahle 1 1 O...

Страница 13: ...149 1 3 Description Provides installation procedures data set test descriptions and describes characteristics of Interfaces Providen a detailed description of all 3270 Emulation procedures Provides pr...

Страница 14: ...I...

Страница 15: ...nterfaces the OIS Master TCP or VS TCP through dual coaxial cahle as a slave data link The Memory Controller Section coordinates TC controller memory access between the processor and the data 1ink sec...

Страница 16: ...onous and asynchronous operation and both character and bit oriented protocols are supported In addition the Z80A SI0 2 performs character and line buffering line control and status monitoring and err...

Страница 17: ...e deposited and addresses are written in memory PROM Memory PROM memory is used for TC controller power up diagnostics It resides at location L95 The PROM memory consists of 4K worth of extensive powe...

Страница 18: ...hich are used to form DMA requests Once a DMA request is granted the DMA controller gains control of the memory address bus and places the low order arldress on the processor address bus PA0 PA7 while...

Страница 19: ...DER r ZBO CTC t t B F D A 0 NAZ 0 NAZI B D ENCODER p 7 A t 1 5 CH A RCVR AM9517A CH B __ XMTR OMA CNTLR CH B f 4 RCVR CH A XMTR t ZBO SIO CPU MEMORY CPU DATA BUS DATA BUFFER RS 366 INTER FACE RS 232C...

Страница 20: ...task etc The Character and Master monitor circuits include the monitor control register the monitor base register vector memory the monitor FIFO and nrultiplexer chips Hnd associated circuitry The mo...

Страница 21: ...caused the vector address and will set V7 1 or O accordingly VO however is loaded into the FIFO as 0 to assure that all interrupt service routine program counters are aligned on halfword boundaries U...

Страница 22: ...e detail regarding D space selection Whenever data is accessed from memory the 8 data bits along with the memory parity bit are compared to determine that correct parity has been maintained If an even...

Страница 23: ...ve a second status register independent of the status register normally examined by a master OIS or VS system This second status register is provided to allow the TC controller software to determine w...

Страница 24: ...1 Character Synchronization The character synchronization circuitry synchronize the received data or control hit strea character by character insuring that the controller and the master are in charact...

Страница 25: ...cing a memory parity error MPE or whether the slave is experiencing a data error in the form of a channel parity error CPE It resides at location Ll03 on a DLP 64 128 L81 on a TCB 1 TNC CONNECTOR XMTR...

Страница 26: ...ink and processor status channel parity error CPE IPL and memory parity error The Read 1 conunand instructs the 928 Data Link to transmit one byte to the master from the specified TC controller memory...

Страница 27: ...e information relating to the non maskab le interrupt sequence A valid command or control word is clocked into the instruction decoder where the command or control word is decoded as a restart command...

Страница 28: ...link access interleaving The Memory Control Section see Figures 2 4 and 2 5 for all TC controllers comprise an address arbitrator and memory Additional memory control circuitry for the DLP 64 and DLP...

Страница 29: ...ches These chips reside at locations 150 170 190 1108 on a D1P 64 or D1P 128 186 187 1105 1106 on a TCB 1 Memory The memory of the TC controller contains all the controller operating software as well...

Страница 30: ...47 L48 L66 L68 and L49 Decode PROM DLP 128 only The decode PROM is a 2K X 8 PROM contained on the daughterboard The decode PROM is divided into eight pages with each page consisting of 256 bytes Addre...

Страница 31: ...eferred to as I space instructions and D space data The DLP 64 and OLP 128 have added memory control circuitry not available on the TCB 1 On the DLP 64 this circuitry is not used This is due to commun...

Страница 32: ...ed out D space is enabled RAS D generation If a l is shifted out I space is enabled RAS I generation If the instruction requires two opcode fetches the PROM code addressed by the first opcode is used...

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Страница 34: ...etail regarding front panel LED status indicators 3 2 TC CONTROLLER SOFI WARE SUPPORT The following paragraphs describe the software packages supported by the TCB 1 DLP 64 and DLP 128 Controllers Typi...

Страница 35: ...r In this configuration the host controls the emulated control unit which in turn controls the emulated devices A BrSYNC polling protocol is employed and intended for use over a multi point leased lin...

Страница 36: ...hronous Bi synchronous Operation Bi synchronous Operation Communication between two OIS Systems and with non Wang Systems is supported by software that emulates IBM 2780 and 3780 Bi synchronous protoc...

Страница 37: ...point to point or 1111lti point as shown in Figures 3 3 and 3 4 Present releases include VS to VS ors to ors configurations The TCB 1 or DLP 64 operating with Remote Wangnet WSN enables the VS System...

Страница 38: ...VJ l t I U1 en z l t I d 0 I l t 0 Cl It 1 ll l t 0 I VS TCP LEASED LINE EXPANDED SERIAL IOP V17 V27 V57 V67 vs TCP OIS ALLIANCE EXPANDED SER L IOP V17 V27 V57 V67 LEASED LINE I TCB 1 DLP64 OIS ALLIAN...

Страница 39: ...a host computer that supports 3274 Cluster Controllers with up to 32 terminals or printers 3278 Display Stations and 3288 Printers When operating with 3777 Emulation software a VS master can access an...

Страница 40: ...other Teletex terminal NOTE When installing Teletex software the workstation date and time option and TCP modification are required The OIS feletex terminal facility will provide any Wang user with th...

Страница 41: ...d characters received by data connnunications equipment DCE from a remote DTE Rapidly flashing LED indicates transitions between ones and zeroes representing serially encoded characters generated by t...

Страница 42: ...ssage traffic is being processed and that the message traffic requires compression This LED indicates that a message frame was received without a CRC error Each time a message is received the LED will...

Страница 43: ...LED INDICATORS The following table provides reference to the status of LED indicators used to monitor interface signals when running Teletex Terminal Facility Software On an OIS interface signals are...

Страница 44: ...ee second rate to indicate that the operating system code is still active This LED is on during normal operation an blinks for a hardware problem or a fatal software error 3 6 INTERFACE STANDARDS Refe...

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Страница 46: ...ection of the shipping carton for any indication of possible rlamage The following address should be used to notify Wang of such damnge Wang Distribution Center Dept t90 Quality Assurance Department T...

Страница 47: ...er s guidP for information concerning OIS menus Line 01 on the EJit A Connection Menu corresponds to Hex 11 on SWl for a TCB l DLP64 witliout X 21 line 03 corresponds to Hex 13 for a TCB l DLP64 witho...

Страница 48: ...128 With X 21 OFF ON ON ON OFF OFF ON ON 4 3 2 OIS Switch Bank SW2 Switch Settings Switch bank SW2 location LlOl is used to identify this controller as a TC device type Switches 1 2 3 4 and 5 of switc...

Страница 49: ...ction for VS System support TCP Switches l and 2 of switch bank SWl select the null modem clock speed All other switches of switch banks SWl and SW2 should be set as previously indicated Table 4 4 Nul...

Страница 50: ...r Cable Panel RS 232 C Internal Cable Assembly RS 232 C Flat Cable Modem Cable RS 366 Internal Cable Assembly RS 366 Flat Cable Modem Cable X 21 Cable Assembly X 21 Interface Board X 21 Flat Cable X 2...

Страница 51: ...ect the ac plug befJre installing or removing any PCBs or intPrndl assemblies machine screw at the rear of the main chassis secure the top cover to the main ch ass is This screw lS 2 Push the cover to...

Страница 52: ...a lamp board with a two ro t LED display Perform the following procedure to remove the existing tront panel 4 4 2 l Upper Front Panel Removal 1 Lift the panPl upward to disengage its four tabs from t...

Страница 53: ...ed with the new front panel to the chassis bracket 3 C0nnect the two grounding cables part of new front panel to the ground lugs NOTE Before plugging the socket connector into connector Jl ensure that...

Страница 54: ...ved for maintenance purposes All 140 145 Masters man 1factured since late 1981 should have this guide block installed The parts required to install the PC guide block into a 140 145 Master for one TC...

Страница 55: ...7100 I I I LAMP BOARD 210 766 JS Figure 4 6 TC Controller Installation 140 145 Masters 4 10...

Страница 56: ...are two indented center holes either one can bl used 7 Align the center screw hole with spacer with the screw hole located directly behind connector Jl3 or connector 1 on the motherboard Insert the 3...

Страница 57: ...7100 MOTHER_ BOARD REMOVE THIS SCREW WASHER SIDE VIEW Figure 4 7 PC Guide Block Installation 140 145 Masters 4 12...

Страница 58: ...ion is as follows 1 Refer to Paragraph 4 3 to verify TC controller switch settings 2 Install the Tl controller s into the I O slot s furthest to the right when viewing the unit from the back see Figur...

Страница 59: ...ter date a new motherboard along with a 2 channel TC Rear Panel P N 270 0630 may be installed for two channel capability With the introduction of the DLP64 and DLP128 to the OIS TC product line a chan...

Страница 60: ...panel insert corn sponding to the cable option supplied e g RS 232 C Figure 4 8 RS 449 220 3125 or X 21 220 3223 RS 449 SHOWN BS366 Q l li RS449 p D D 0 Rear Cover Plate Removal TC Rear Panel Installa...

Страница 61: ...erface cable to the TC rear panel 1 Position the TC rear panel as shown in Figure 4 10 internal side of rear panel 2 Remove the panel insert covering the RS 449 slot 3 Fit the X 21 cable D connector t...

Страница 62: ...PANEL INSERT COVER TC PLATE PANEL INSERT 11 RED WIRE 7300 _ NUT 2 Figure 4 9 RS 232 C or RS 366 Interface Cable Installation Installed from inner side of TC rear panel 4 17...

Страница 63: ...7100 c _ _ PEMNUT 2 PF 449 INTERFACE SLOT WASHER ADAPTER PLATE RED WIRE X 21 INTERFACE CABLE 2 0 3223 X 21 Cahle To Panel Installation Internal side 4 18...

Страница 64: ...s to the corresponding connector on the rail of the TC controller PCB RS 232 C RS 366 or RS 449 as shown in Figure 4 2 Once the interface cable s have been connected secure them to the U chassis usin...

Страница 65: ...7300 X 21 ADAPTOR BO 210 7951 IU 01 J2 _ _ J_1 1 ru a 01 J3 l X 21 CABLE 220 3273 1 11 r I Figure l1 l l X 21 Interface Adaptor Board Installation 4 20...

Страница 66: ...Assembly RS 232 C Flat Cable Modem Cab le RS 366 Internal Cable Assembly RS 366 Flat CabJe Modem Cable X 21 Cable Assembly X 21 Interface Bd X 21 Flat Cable X 21 Adapter plate Modem Cable Part Number...

Страница 67: ...front panel To replace the front panel assembly the diskette drive unit must first be removed The diskette drive unit is mounted on a base plate that contains front and rear guides which fit into corr...

Страница 68: ...7300 TOP COVER PHILLIPS SCREWS PHILLIPS SCREWS PHl LIPS SCREW8 Figure 4 12 OIS 105 115 125A 130A Top Cover Removal Installation 4 23...

Страница 69: ...7300 Figure 4 13 B A SIDE VIEW TOP COVER REMOVED SIDE VIEW TOP COVER RENIOVED Removing Installing the Diskette Drive Unit 4 24...

Страница 70: ...at secure it to the front panel 4 5 3 1 TC Front Panel Installation The lamp board part of new front panel is electrically connected to the TC controller via a Lamp Panel Cable P N 220 3171 This cable...

Страница 71: ...7300 PHILLIPS SCREWS CONNECTOR J4 125AFRONT PANEL BOARD TC FRONT PANEL Figure 4 14 Front Panel Removal Installation 4 26 FRONT PANEL...

Страница 72: ...late guides engage the corresponding slots 2 Firmly push the unit into the slots until the hold down screw and threaded hole are aligned 3 Tighten the captive hold down screw 4 Reconnect the I O ribbo...

Страница 73: ...7300 A WINCHESTER CONTROLLER A B CABLES Figure 4 15 Ribbon Cable Connections 4 28...

Страница 74: ...14 462 0120 651 0058 2 Remove the 7501 7502 and 7950 PCBs to gain access to the motherboard 3 As shown in Figure 4 17 two Phillips head screws secure connector Jl3 identified as connector number 1 on...

Страница 75: ...7300 FRONT VIEW TOP COVER REMOVEDJ Figure 4 16 PCB Removal Ins tallation on 105 115 125A 130A Masters 4 30...

Страница 76: ...Figure 4 17 J13 i _ _FLAT HEAD r scREW SIDE VIEW PC Guide Block Installation 105 115 125A 130A Only 4 31 7300...

Страница 77: ...est to the left when viewing the unit from the front see Figure 4 18 The board connectors on the motherboard have card guides to ease insertion and card keys to center the boards 4 Plug the edge conne...

Страница 78: ...111111111 Ill It 11 I 1111111 1 11 I 11 I Figure 4 18 TC Controller Installation into 105 115 125A 130A Master 4 33 7300...

Страница 79: ...ordered both of the following interface cables are necessary RS 366 Flat Cable RS 232 C Flat Cable Rear Cover Plate Removal P N 220 3174 P N 220 3129 Remove the existing rear cover plate by removing t...

Страница 80: ...a second cable is installed as with the RS 366 option 8 Proceed to Paragraph 4 5 7 4 to install the TC rear panel BNC TNC J4CONN RS366 18 DUAL COAX CABLE RS 366 c J RS 232 C J RS449 Figure 4 19 Rear...

Страница 81: ...tandoffs 7 Secure the X 21 adapter plate to the TC rear panel using two 4 40 screws Insert scre s through the panel and thread them into the two pemnuts on the adapter plate 8 Proceed to Paragraph 4 5...

Страница 82: ...C Cable is held into position by a snap in clamp and should set flush on top of the TC controller 8 Connect the 18 inch dual coaxial cable from the BNC TNC connector on the external side of the TC rea...

Страница 83: ...Coaxial Cable RS 232 C Internal Cable Assembly RS 232 C Flat Cable Modem Cable RS 366 Internal Cable Assembly RS 366 Flat Cable Modem Cable X 21 Cable Assembly X 21 Interface Bd X 21 Flat Cable X 21 A...

Страница 84: ...ed for more than ten minutes as this may cause the switching power supply to overheat The fans depend on the side covers to maintain proper airflow 3 The left side cover cannot be removed without firs...

Страница 85: ...7300 el _ II 0 SIX PHILLIPS HEAD SCREWS Figure 4 20 40 50 Master Rear Panel Removal Figure 4 21 Side Cover Removal 4 40...

Страница 86: ...rface cable s and the TC rear panel Remove six Phillips head screws to remove the rear cover plate Figure 4 22 4 6 2 2 RS 232 C or RS 366 Interface Cable Installation Perform the following steps to se...

Страница 87: ...COVER PLATE Figure 4 22 Rear Cover Plate Removal TWO THREADED STAND S DCONNECTOR I i I 4 40NUT L RED WIRE GROUND LUG Figure 4 23 RS 232 C or RS 366 Interface Cable Installation Installed from inner si...

Страница 88: ...hreaded standoffs P N 478 0791 through the X 21 adapter plate P N 452 0274 holes Ensure pemnuts on adapter plate are facing as shown in Figure 4 24 Place the red wire ground lug and washer on the stan...

Страница 89: ...bles 1 Position the TC rear panel over the open slot from internal side of master in the masters rear panel as shown in Figure 4 25 2 Secure the TC rear panel to the master chassis using the six Phill...

Страница 90: ...as shown in Figure 4 26 5 Route the BNC TNC cable through the bottom most side frame slot 6 Route the interface cables to the front of the master The interface cable s will be connected following com...

Страница 91: ...e front of the master and set aside with interface cables on the inner F ide of the chassis The cables will be connected per the TC Controller PCB installation procedure 4 6 2 6 NOTE Ensure that the c...

Страница 92: ...CABLE CLIPS Figure 4 27 TC Front Lamp Switch Panel Installation Cable Routing 4 47 LAMP CABLE ROUTED TO 7300 REAR ENCLOSURE...

Страница 93: ...7300 TC REAR PANEL Figure 4 28 TC Lamp Board Cable Routing bottom side frame slot 4 48...

Страница 94: ...210 71151 1 t t le e la R8232 C CABLE 1111 ill OLP 64 126 p TC LAM BOARD CABLE JS f il c INC TN CABLE J4 I TI ll i 0 llllll LlllLlllL lllllllllllllll J llllllllLLLLllL llLLLLLLLLLLLLl ID lllllllllCl l...

Страница 95: ...Assembly RS 232 C Flat Cable Modem Cable RS 366 Internal Cable Assembly RS 366 Flat Cable Modern Cab le X 21 Internal Cable Assembly X 21 Flat Cable X 21 Interface Board Modern Cab le Part Number 270...

Страница 96: ...oard panels in the TCP 1 Remove the blank panel s to allow installation of the lamp board s 7300 2 Access lamp board cable and feed the cable through the appropriate lamp board slot Figure 4 30 The ca...

Страница 97: ...late by removing the four Phillips head screws that se ure it to tha rear of the TCP 4 7 3 2 RS 232 C or RS 366 Interface Cable Installation Perform the following steps to secure the RS 232 C or RS 36...

Страница 98: ...1 c Figure 4 31 GD LUG VIEWA TCP TC REAR PANEL WASHER 7300 DCONNECTUh RS 232 C or RS 366 Installat Interface ion Cable 4 53...

Страница 99: ...74 and D connector screw holes Ensure pemnuts on adapter plate are facing as shown in Figure 4 32 4 Place the X 21 cable D connector on the standoffs Figure 4 32 5 Place the red wire ground lug and wa...

Страница 100: ...ar panel 1 2 BNC TNC connector cable internal One or two 20 inch flat interface cables Position the TC rear panel with interface cables over the open slot from inside of TCP chassis Align and secure u...

Страница 101: ...on the rail of the TC controller PCB s 5 Route the following interface cables over the cable bracket and plug in as shown in Figure 4 34 P S 366 interface cable to Jl RS 232 C interface cable to J2 P...

Страница 102: ...CABLE J2 RS232 C J4 BNC TNC CABLE c 0 4 CABLE _ _ _ 1111 l_I J3 RS 449 OR X 21 ADAPTOR BOARD AND CABLE Figure 4 34 Interface Cable Connection 4 S7 7300 CABLE BRACKET NOTE CABLE MUST BE POSITIONED OVE...

Страница 103: ...7300 X 21 ADAPTOR BO 210 7951 IU 01 J2 Ji izffi 1 IUu 01 J3 X 21 CABLE 220 3273 111 r I Figure 4 35 X 21 Interface Adaptor Board Installation 4 58...

Страница 104: ...ond cable may be provided for ACU connection The part number and length of these cable are as follows Modem ACU Cable RS 232 C RS 449 x 21 RS 366 Part Number 220 0332 220 0248 220 0274 220 0332 Length...

Страница 105: ......

Страница 106: ...is also provided this description applies to all Test Sets currently su ported by Customer E lgineer ing 5 3 TROUBLESHOOTING CHECKLIST The reco11Dnended sequence of troubleshooting the TC Controller i...

Страница 107: ...at the test point on the TC Controller board using GND as reference The DC Voltage Measurements are Test Points Limits 12V 11 8V to 12 2V 12V 11 8V to 12 2V sv 4 9V to 5 lV SV 4 9V to S lV SV 12V Figu...

Страница 108: ...power up 5 4 1 TCB 1 Power Up Diagnostics Power Up Diagnostics allow for fault isolation to the memory bank and memory chip level through the use of the front panel LED s Errors may be indicated by t...

Страница 109: ...on 2 The status of LED s 4 5 6 and 7 indicate which chip in the bank is faulty Compare the LED indication on the TCB 1 to those in Chart 12 find the faulty chip LED 4 5 6 7 0 0 0 1 CHIP 1 0 0 1 0 CHIP...

Страница 110: ...lll S 1111 ltlt IHI u H n llJI u n IH n CllllllJI CHIP 1 CHIP 2 Cl If CHIP 3 ClilP 4 Q Figure 5 2 CHIP 5 o Ctn Q CHIP 8 CHIP 7 CHIP 8 Memory Chip Layout 5 5 CHIP 9 7300 BANKO BANK 1 BANK2 BANKJ...

Страница 111: ...opback testing The following loopback connectors are available fnr TCB 1 loopback testing Switch SW 8 SW 7 SW 6 SW 5 SW 1 4 RS 449 RS 232 C RS 366 P N 270 3193 P N 420 1041 Table 5 2 TCB 1 Loopback Te...

Страница 112: ...hing 1 3 6 OFF 4 7 ON and 8 flashing 1 3 5 7 OFF 4 6 ON and 8 flashing 1 3 5 OFF 4 6 7 ON and 8 flashing 1 3 6 7 OFF 4 5 ON and 8 flashing 1 3 OFF 4 7 and ON 8 flashing Description Initial power on sy...

Страница 113: ...ON ON ON ON ON ON ON ON L28 ON L27 ON ON L26 L25 ON 124 ON 123 ON ON 122 L21 ON 120 ON L09 ON LOB ON ON L07 L06 ON LOS ON L04 ON ON 103 102 ON 101 D SPACE CTJQ 0 8 0 7 JO 05 0 4 0 3 2 D 0 1 2 3 4 5 6...

Страница 114: ...op On Power Up and external loopback test Switch 8 when used in conjunction with switches l 2 3 and 7 will enable loopback tesLing Refer b low for test select ion ON X 21 TXDB spacing output select Wh...

Страница 115: ...or negative levels on any of the interface lines Breakout Boxes also contain 24 switches which allow any of the interface signals except line one Frame Ground to be interrupted These switches are phys...

Страница 116: ......

Страница 117: ...THE SCHEMATICS WHEN AVAILABLE ARE ON THE LAST rICHE IN THIS SET...

Страница 118: ......

Страница 119: ...RS TCB 1 DLP 64 DLP 128 X 21 Interface Adapter Board INTERNAL INTERFACE CABLES ors 105 130A RS 232 RS 366 RS 449 x 21 ors 140 145 RS 232 RS 366 RS 449 x 21 ors 40 50 RS 232 RS 366 x 21 TCP RS 232 RS 3...

Страница 120: ...65 4 14 ors 140 145 210 i665 4 6 ors 40 50 210 7865 TCP 210 7865 LED for above PCB s 370 0031 N A LAMP BOARD CABLES ors 105 130 220 3171 4 14 ors 140 145 220 3171 4 6 ors 40 50 220 3306 TCP 220 3171 B...

Страница 121: ...1...

Страница 122: ...CHAPTER 8 TROUBLESHOOTING Troubleshooting Flowcharts will be provided at a later date 8 1 7300...

Страница 123: ......

Страница 124: ...CB CTS Clear To Send DCE 6 cc DSR Data Set Ready DCE 8 CF RLSD Received Line Signal DCE Detector 15 DB TC Transmitter Signal DCE Element Timing 17 DD RC Receiver Signal DCE Element Timing 20 CD DTR D...

Страница 125: ...the local DCE is not in test local or remote or dial mode The ON condition also indicates that any timing functions required by the switching system to complete a call have been completed Received Lin...

Страница 126: ...als on this circuit are generated by the DTE As well as being used for the transmission of data or selection sequences to the DCE this circuit may be held in a steady logic state of 0 or 1 together wi...

Страница 127: ...is circuit are generated by the DCE and are optional The signal provides byte boundaries for call control character alignment Unlike RS232 or RS449 where a DTE s or DCE s condition or state is signale...

Страница 128: ...s 4 x On Selection Signal Sequence X DTE transmits selection sequence preceded by 2 or more SYN characters 5 1 On DTE Waiting 6 x Off DCE Waiting Tx DCE transmits 2 or more SYN characters 7 x Off Call...

Страница 129: ...lled not ready and DCE si _g_nals rea Y i_ simultaneously 15 0 x On Off Call collision DTE detects incoming call in response to call request T6 0 Off DTE Clear Request to DCE 17 0 Off DCE clear confir...

Страница 130: ...23 ST Send Timing DCE 8 26 RT Receive Timing DCE 7 25 RS Request To Send DCE 9 27 cs Clear To Send DCE 13 31 RR Receiver Ready 33 SQ Signal Quality 34 NS New Signal DCE DCE DCE 16 SF Select Frequency...

Страница 131: ...E Terminal Timing Signals on this circuit provide the DCE with transmit signal element timing information Send Timing Signals on this circuit pro ide the DTE with transmit signal element information R...

Страница 132: ...Data From DCE Not supported Secondary Request To Send To DCE Not supported Secondary Clear To Send From DCE Not supported Secondary Receiver Ready From DCE Not supporteri Local Loopback To DCE Not Sup...

Страница 133: ...NBS Digital Signal Circuit 1 DTE Signal Ground This conductor directly connects the DTE circuit ground to the ACE circuit ground to provide a conductive path between the DTE and ACE signal commons Sen...

Страница 134: ...E to control the presentation of digits on Circuits NBVl NB2 NB4 and NBS digits of a called number digits used for control purposes Digit Present Signals on this circuit are generated by the DTE to in...

Страница 135: ...I I J...

Страница 136: ...128 and two Lamp Board assemblies The Controller Schematics contain motherboard daughterboard set TCB l DLP 64 CPU Motherboard 210 7763 Data Link and Memory Board 210 7762 DLP 128 Motherboard 210 7963...

Страница 137: ...1H6 S2 1 s ilA LS157 IOU osf0l IG2 2s av 2 11 3 IB I uo 201l l4 stORD I y 1 j 1 _ _J Ct MC 7 5 3 LM 4 4 s 3EBJCm DTR 3C6 3EB 3 tS R OV 2 HOii llGUD 1011IAllCll Oii tll till II IU nt I I 10HU f 011 00...

Страница 138: ...Vo v V I vs v V1 7 DD MDT tCN f 5 5 0ACH lr7 ID j Affi JC 3 lf I _ I 1r iW 11e bACtd 2 MOU llGIND l IOllUNCll 011 011tou 0 1 i H UI 1 JB IOU tot 0 ___ ____lif 7 111 1 _ tl 1L l 3 4 111 1r J re fi Tr f...

Страница 139: ...5150 OPR IDI 9 8 IY 1 l1 IY 21 12 1 7 Cl Tl iOOpt OV rzv R3 4 IK R9 IZO I w to TiCB IOS S44 I tF I 11 F 4 ZY IV 7 Z i u 1 OPR NBI d I Nez_ NBaC RC 7 TxO OV RS TR SD 5 TT TRAP tr7 NOP 1D7 l llPE tB7 1...

Страница 140: ...0 1F l 1F9 RIB C3 1 0V le_ 18 f l70pF 3 JCLR 5 500 J _ i1CK l RE ADY tC8 LZZ LS74 I MRDY K31 zIDJ P B m READY IC 9 MRDY ZC7 4 1 __ i __ ONE 1E 3 R45 C58 BK2 101 tL13 1 m LS3Z 4 L71 BUSEN IC3 Ls32 10 8...

Страница 141: ...PAC ITOR5 ARE 047 F CERAMIC EXCEPT AS flJOTEO 2 L 79 L 60 1 0AD 18 Pl 1 SOCK ET 37 9014 QTV 2 3 Ji JZ J3 J4 AR E MOUIJTED ON ClRL1 1T 51DE 4 TPI THRU TP9 LOAD TEl l MINAI PO T 054 11 2 TY 9 5 ALL SlST...

Страница 142: ...C70 IA CIHll 111 EJ IN 35A 7 on s ov oo 1 n6 6 37A 840A 41A II 70 5 Pi_S ll_OV 82 C3 O l4f le V T JOO 402 1 c o 73 16 17 IS f 20V 7 300 4022 v Tll Ll 10 _l _ 0 R551 l 71C Y w so 330 30 B j i MPSGS 2 3...

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