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1. Introduction

9

Transceiver Interface (DP8392)

The National Semiconductor (or equivalent) DP8392 Transceiver Interface is used as a
coaxial cable driver/receiver for Thin Ethernet (Cheapernet) applications. The Thin
Ethernet cable can be connected directly to the ZT 8995 without using an external drop
(AUI) cable because the connector is isolated from the Serial Interface (8391) by an
isolation transformers and a DC to DC converter.

Packet RAM Buffer

The packet RAM buffer is 16 Kbytes in length and can be used by either the STD bus
processor or the Network Interface Controller (DP83905). This memory may be placed
on any 8-Kbyte memory address boundary. Compatibility with any memory move
instruction to the Network Interface results in a very efficient dual-ported packet buffer.

User PROM Socket

The ZT 8995 includes a PROM socket that can accommodate 32-, 64-. 128-, or 256-
Kbyte parts where only the top 32Kbyte block is accessible. The PROM can be mapped
into any 8, 16, 32, or 64Kbyte boundary beginning at one of eight software selectable
locations between 0C000h and 0D000h. The PROM can be accessed without
interfering with Ethernet packets being sent or received. You can use the setup program

AUTOSET8.EXE

to configure the PROM socket address.

Interrupt Capability

Interrupts are supported by the ZT 8995. Interrupts are software selectable for
backplane signals INTRQ*, INTRQ1*, INTRQ2* (CNTL), INTRQ3*, INTRQ4* and
NMIRQ*. Frontplane interrupts can also be selected through software control across
FP3*, FP5*, FP6* and FP7*. Since IRQx is slot specific, it is always driven out onto the
backplane.

Diagnostic LEDs

The ZT 8995 has separate transmit, receive, and diagnostic LEDs. These LEDs provide
visual indication of network activity. Transmit activity is indicated by a red LED. Receive
activity is indicated by a green LED. A green LED is used to indicate a LINK and red
LEDs are used to indicate POLARITY problems as well as COLLISIONs.

ZT 97115 SOFTWARE DISK

The ZT 97115 software disk included with each ZT 8995 is supplied under license with
National Semiconductor. A variety of software drivers, a setup programs, and extensive
diagnostic programs are included. You can use any or all of the software drivers without
any additional cost or licensing.

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Содержание ZT 8995

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...ZT 8995 STD Bus Ethernet Interface Hardware User Manual Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ...TIPLE BOARDS 29 TESTING A BOARD 29 INSTALLING THE DRIVERS 30 TROUBLESHOOTING HINTS 30 FURTHER INFORMATION 32 3 THEORY OF OPERATION 33 FREQUENTLY ASKED QUESTIONS 33 STD INTERFACE 34 I O PORT DECODE 35 SHARED MEMORY ADDRESSING 35 INTERRUPTS 36 WAIT STATES 37 ETHERNET INTERFACE 37 TWISTED PAIR ETHERNET 10BASET CONNECTOR 39 ETHERNET AUI CONNECTOR 39 THIN ETHERNET BNC CONNECTOR 40 DIAGNOSTIC LEDS 40 A ...

Страница 4: ...HMENT UNITS 56 THICK ETHERNET REPEATERS 58 TWISTED PAIR ETHERNET CABLING 58 TWISTED PAIR ETHERNET REPEATERS 59 FIBER OPTIC CABLING 60 FIBER OPTIC MEDIA ATTACHMENT UNITS 60 FIBER OPTIC REPEATERS 61 C NETWORK INTERCONNECTION 62 NETWORK CHARACTERISTICS 64 D SPECIFICATIONS 68 ELECTRICAL AND ENVIRONMENTAL SPECIFICATIONS 68 ABSOLUTE MAXIMUM RATINGS 68 DC OPERATING CHARACTERISTICS 68 STD LOAD CHARACTERIS...

Страница 5: ...ailed description of ZT 8995 system level operation The topics discussed in this chapter include commonly asked questions the STD bus interface the Ethernet interface and diagnostic LEDs present on the board Appendix A Jumper Configurations illustrates jumper options that tailor the board s operation to your specific application Appendix B Network Components and Cabling provides an overview of Eth...

Страница 6: ...s Collision Detection CSMA CD local area network Local area networks using twisted pair coax and fiber optic media can be supported Refer to Appendix B Network Components and Cabling for more information The ZT 8995 comes with a ROM socket and software drivers Check the ZT 97115 disks for a complete list of supported drivers Software packages are also available for TCP IP support Department of Def...

Страница 7: ... or connector extensions True 16 bit I O addressing 20 or 24 bit memory addressing Includes drivers for Novell s NetWare environment Supports both IEEE 802 3 10BASE2 Thin Ethernet and 10BASE5 Thick Ethernet as well as 10Base T Ethernet interfaces depending on the option ordered Dual port RAM capability Transmit Receive and activity LEDs EEPROM stores system configurations Low power CMOS design 5 V...

Страница 8: ...gure Functional Block Diagram AUI 10Base T ZT 8995 RG58 LEDS RJ 45 Serial EEPROM LAN Interface DP83905 Frontplane Interrupts DB 15 BNC Trans Interface 8392 Cheapernet PROM Socket Functional Block Diagram Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 9: ...f Ethernet packets in accordance with both the IEEE 802 3 standard and pre IEEE 802 3 standards It also contains an internal First In First Out FIFO buffer and arbitration logic to control access to the packet RAM The DP83905 includes Support for physical multicast and broadcast address filtering Provision for three levels of loopback Implementation of buffer management The DP83905 provides comple...

Страница 10: ...nd 0D000h The PROM can be accessed without interfering with Ethernet packets being sent or received You can use the setup program AUTOSET8 EXE to configure the PROM socket address Interrupt Capability Interrupts are supported by the ZT 8995 Interrupts are software selectable for backplane signals INTRQ INTRQ1 INTRQ2 CNTL INTRQ3 INTRQ4 and NMIRQ Frontplane interrupts can also be selected through so...

Страница 11: ...pt line Operating mode I O or Memory Mapped Media Selection UTP Thin or Thick Ethernet The board is shipped software disabled This prevents a possible conflict with your existing system I O map and interrupt structure To set your default values a DOS based configuration program called INFOSET EXE must be used Refer to the topic Using The Setup Program in Chapter 2 for details Diagnostic Programs T...

Страница 12: ...e the ability to configure the memory map If you plan to operate the ZT 8995 in shared memory mode set it for I O operation first using INFOSET EXE and then use AUTOSET8 EXE to tailor the ZT 8995 configuration for your system DEFAULT EXE Writing 19h to the configuration register temporarily disables the ZT 8995 by locking out I O access to the Ethernet chip DEFAULT EXE re enables the ZT 8995 INSPE...

Страница 13: ...for obtaining an RMA number from Ziatech WARNING Like all equipment utilizing CMOS devices the ZT 8995 must be protected from static discharge Never remove any of the socketed parts except at a static free workstation SYSTEM REQUIREMENTS The ZT 8995 is designed for use in an STD bus application Therefore the board is mechanically and electrically compatible with the STD 32 series and STD standards...

Страница 14: ...o the figure Board Dimensions in Appendix D for board dimensions Be sure to allow enough clearance for good convective or forced cooling Memory Requirements The ZT 8995 may be assigned memory space within a range of addresses located above the system memory typically 640K The ZT 8995 may require as much as 48 Kbytes of memory space for its 16 Kbyte RAM buffer and optional 64 Kbyte PROM The figure ...

Страница 15: ...OMPATIBILITY The ZT 8995 is designed for STD 32 and STD systems It can be used with any STD bus microprocessor that meets the STD 32 bus read and write timing specifications DEFAULT CONFIGURATION For most systems the ZT 8995 does not require jumper changes in order to operate However after your initial installation if a different I O address or memory configuration is needed you might need to chan...

Страница 16: ...ration and to test a board The disks also include various software drivers Program functions are described in the following sections Using the Setup Program Testing a Board Installing the Drivers Note When installing the ZT 8995 in Windows95 and WindowsNT systems do not use the Auto Detect feature in the Add New Hardware program This may cause your system to lock up and you may have to reboot Inst...

Страница 17: ...led into the card cage and the setup programs indicate an error try looking for an I O address conflict If you have not used INFOSET to configure the I O address the board may be software disabled If you used INFOSET to change the I O address the ZT 8995 I O address may conflict with the I O address of another board Resolve the I O address conflict by temporarily removing the other board until INF...

Страница 18: ...r AUTOSET8 programs set the proper bits in this register for you when you select your interrupt level The ZT 8995 uses an encoded interrupt scheme A decoder maps the AT LANTIC s interrupt to one of the STD 32 interrupts as shown in the Interrupt Selection table This interrupt scheme is Novell NE2000plus compatible The INT3 pin from the AT LANTIC strobes true when an interrupt is generated by the A...

Страница 19: ...oximately 50 ms whenever a collision is detected The XMT LED is lit for approximately 50 ms whenever the on board AT LANTIC controller transmits data In TPI mode the LNK LED is lit while link pulses are being received This indicates that the twisted pair connection is active The REC LED is lit for approximately 50 ms whenever received data is detected Configuration Options Please refer to National...

Страница 20: ...T LANTIC cannot write to this location 57h This location 07h must contain 57h ASCII W When W17 is removed high the software will read this location in the PROM Store register of the AT LANTIC and determine that the board is in a 16 bit STD 32 slot The AT LANTIC cannot write to this location CHECKSUM This location is used only in Shared RAM mode The checksum is used to verify the Ethernet Address a...

Страница 21: ... AT LANTIC has write access to this location See the Configuration Register A bit description below Configuration Register B Stores the Physical Layer Interface and programmable bus options The AT LANTIC has write access to this location Refer to the Configuration Register B bit description below Configuration Register C Stores the Boot PROM address and other hardware specific configuration option...

Страница 22: ...of the EEPROM contain the Ethernet Address issued by the IEEE These bytes are programmed uniquely prior to fitting the device onto the board because the AT LANTIC is unable to write to these locations Configuration Register A Please refer to the AT LANTIC data sheet for a detailed description of the bits in Configuration Register A The register contents can be changed only by an I O read from this...

Страница 23: ...fically IRQ9 INT2 0 0 1 1 which is driven across backplane signal INTRQ FREAD D6 This enables the Fast Read option of the AT LANTIC s Remote DMA Read operation The ZT 8995 is shipped with the FREAD function disabled FREAD 0 MEMIO D7 Selects either I O Port mode or Shared RAM mode The ZT 8995 comes configured to run in I O Port mode MEMIO 0 Configuration Register B Please refer to National Semicond...

Страница 24: ...pulse generation and integrity checking when using twisted pair It can also be read to indicate status Link pulse generation and checking is disabled by writing a 1 to this bit The ZT 8995 is shipped with link testing enabled IO16CON D3 One of two methods of generating IO16 is chosen using this bit In normal operation IO16 is driven off of the address decode IO16 can be configured to be driven fro...

Страница 25: ...ocation followed immediately by an I O write to this location The following descriptions show the bit definitions and their default settings BPS3 0 CLKSEL D7 D6 D5 D4 D3 D2 D1 D0 Register Configuration Register C Address Base 0Fh Boot PROM Address Size Access Read and Write SOFEN 000X Boot PROM Disabled Interrupt Mode 1 Disabled Clock Select Compatible Mode 0 Enabled COMP 0 Internal Clock 1 Extern...

Страница 26: ...ed by the 20 MHz clock on the X1 input When high an external clock other than 20 MHz can be used to clock BSCK The ZT 8995 must be configured to run on the internal 20 MHz clock SOFEN D7 This bit enables software to update Configuration Registers A and B When high the configuration registers are not accessible by software The ZT 8995 is configured to allow software such as INFOSET EXE and AUTOSET8...

Страница 27: ...K Shared Memory Mode Operation The ZT 8995 can be configured for Shared Memory Mode operation The operating mode and base I O address of the AT LANTIC Controller are determined by Configuration Register A Shared Memory Mode operates under the structure illustrated in the figure Shared Memory Mode I O Address Map The following topics describe the functionality of the 8 16 detection register and the...

Страница 28: ...o 1Fh Shared Memory Mode I O Address Map Shared Memory 8 16 Detect Register ATDET X X X X X X X D7 D6 D5 D4 D3 D2 D1 D0 Register Shared Memory 8 16 Detect 8 16 Data Address Base 01h Access Read Only 8 16 Data D0 This bit shows the value of jumper W17 and can be read by software to determine whether the ZT 8995 is operating as an 8 or 16 bit board When D0 is read as a logical 1 the ZT 8995 is in 16...

Страница 29: ...o the system s memory map RESET D7 Resets the NIC core of the AT LANTIC controller chip on the ZT 8995 Shared Memory Control Register 2 A19 23 8 16 MEMW NA LA23 LA22 LA21 LA20 LA19 D7 D6 D5 D4 D3 D2 D1 D0 Unused Memory Width 8 16 Bit Register Shared Memory Control 2 Address Base 05h Access Read Write 0 Byte Wide External Memory Access 1 Word Wide External Memory Access 0 8 Bit External Memory Acce...

Страница 30: ... Select any available I O base address 5 Select and alter other configuration options as necessary 6 Save the configuration then exit the setup program Repeat this procedure until all boards in your system are configured When the ZT 8995 is installed and configured you are ready to test the board and cable install the software drivers and load the network software Each of these topics is discussed...

Страница 31: ...e parameters that are used by the board s software driver Making modifications to the software driver parameters is described below Modifying The Drivers The method you use to change the software driver parameters depends on your network operating system software The ZT 97115 diskette has a separate subdirectory for different types of software drivers Your network software should contain informati...

Страница 32: ...TOSET8 7 Be sure the ZT 8995 interrupt output is connected to the processor board interrupt input corresponding to the IRQ selection made with the setup program 8 Review the installation documentation for any software copied from the ZT 97115 disk Were all the necessary files copied Have the software drivers been modified to reflect the configuration made with the setup program 9 If more than one ...

Страница 33: ...These layers correspond closely to the lowest layer of the International Standards Organization ISO Model for Open System Interconnection OSI Debugging Several troubleshooting techniques are described in the August 1989 edition of LAN Technology by M T Publishing Inc 501 Galveston Drive Redwood City CA 94063 USA The differences between Ethernet and IEEE 802 3 are covered The CSMA CD protocol physi...

Страница 34: ...th IEEE 802 3 What cable media is available for Ethernet Media types range from thin coax Thin Ethernet Cheapernet to thick coax Ethernet IEEE 802 3 twisted pair wiring and fiber optic cable Appendix B describes each interconnection medium in more detail Media types determine network topology star bus Media types can be mixed Appendix C illustrates a complex network consisting of various cable med...

Страница 35: ...decode logic programmed into the DP83905 Network Interface Chip NIC detects an I O or memory address for the ZT 8995 Refer to the illustration Functional Diagram figure Data is written to or read from the ZT 8995 as required by the command decode and buffer control inside the NIC Communications between the STD processor and the ZT 8995 are made via DMA accesses to the NIC I O port mode which is NE...

Страница 36: ...he Memory addresses are decoded by the DP83905 for selecting either the Ethernet packet RAM or the PROM socket The ZT 8995 board s packet RAM may be assigned any 16K memory space but should be located within a range of addresses located above the system memory typically 640K The ZT 8995 may require as much as 48 Kbytes of memory space for its 16 Kbyte RAM buffer and a user installed 32 Kbyte PROM ...

Страница 37: ...ly configured for the diagnostic program to complete all of the on board tests a typical selection is IR9 driven across backplane signal INTRQ Note if IRQ15 is selected the ZT 8995 interrupt signal must be jumpered to utilize INTRQ3 NMIRQ or one of the frontplane signals FP1 or FP6 This signal must be connected to the processor board interrupt request that matches the interrupt request IRQ levels ...

Страница 38: ...ce chip can be asserted This is required for STD 80 compatible wait state timing and requires that W19 and W16 be inserted If an STD 32 compatible CPU provides the equivalent STD bus timing by inserting one wait state on its own and can sense wait requests being asserted later in the bus cycle W16 can be removed When W16 is removed wait states are asserted by the WAITRQ signal only as needed by th...

Страница 39: ...work operating system and application software at the network layer or higher Some software manufacturers include utilities that allow the system to be configured For example Novell provides a special utility called ECONFIG that allows the network administrator to configure the interface to either the Ethernet or IEEE 802 3 specification If incompatibilities persist a protocol analyzer may reveal ...

Страница 40: ...s on a segment is one Maximum number of nodes on a network is 1024 Maximum number of multiport repeats between any two nodes is four Ethernet AUI Connector Ethernet attaches to the ZT 8995 using a Media Attachment Unit MAU and an Attachment Unit Interface AUI in the following manner The Ethernet cable connects to the MAU which is a box containing transformers an isolating DC DC converter and a cab...

Страница 41: ...nostic LEDs These LEDs provide visual indication of network activity Transmit activity is indicated by a red LED in the center of the LED block Receive activity is indicated by the lowest green LED The red transmit indicator LED lights when the ZT 8995 sends a packet Receive indicators typically green are illuminated on remaining interfaces while this occurs The green receive indicator LED lights ...

Страница 42: ...efault configuration illustrated in the Factory Default Jumper Configuration figure we recommend you document your configuration on the blank jumper layout shown in the Customer Jumper Configuration figure This allows you to quickly restore your custom configuration if the need should arise W2 W10 W19 ETHERNET BOARD ZT8995 W11 W12 W13 W14 W15 W16 W17 W18 W8 W9 W3 W4 W5 W6 W7 A B TM W1 W1 W2 W10 W1...

Страница 43: ...W2 W10 W19 ETHERNET BOARD ZT8995 W11 W12 W13 W14 W15 W16 W17 W18 W8 W9 W3 W4 W5 W6 W7 A B TM W1 ÛZIATECH Customer Jumper Configuration Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 44: ...W17 W18 ISP PAL Program Enable W3 Backplane Interrupt Signal Selection W11 12 Frontplane Interrupt Signal Selection W13 14 Thin Ethernet Enable W10 WAITRQ Enable Selection W16 W19 W1 Chassis Ground to Logic Ground W1 ties chassis ground to logic ground This jumper location is not loaded Jumper Function W1 Ties chassis ground to logic ground W2 AT LANTIC Power On Configuration W2 controls how the A...

Страница 45: ...W4 W7 24 Bit Address Selection Jumpers W4 W7 enable the upper four bits of the STD 32 address bus for CPUs that utilize 24 bit addressing A23 A20 These should remain in the A position for CPU boards that drive all 24 address lines The B position will tie the upper four address lines to the Ethernet chip to ground Jumpers Function W4A W7A In Enables the upper four STD 32 address lines W4A W7B In Gr...

Страница 46: ...a dual purpose jumper See also the description for W15 W8 W9 W15 16K Memory Address Base In In In 0C400h In In Out 0C000h In Out In 0CC00h In Out Out 0C800h Out In In 0D400h Out In Out 0D000h Out Out In 0DC00h Out Out Out 0D800h W10 Thin Ethernet Enable This jumper enables power to the DC DC unit enabling Thin Ethernet operation on the ZT 8995 D2 Normal operation leaves this jumper removed to redu...

Страница 47: ...terrupt FP1 pin 2 of J1 W15 Early ALE Signal Generation W15 controls how ALE is generated for the AT LANTIC chip Installing W15 allows an early ALE signal to get addresses on board to the AT LANTIC chip Removing W15 allows normal address generation Most systems operate equally well with W15 in either position However if you experience difficulties or random access problems install W15 When the boa...

Страница 48: ... 16 Bit Data Width Selection W17 controls 8 16 bit operation Installing the jumper allows 16 bit operation W17 should only be removed for 8 bit CPU boards See also jumper W18 W17 Function In Enables 16 bit operation Out Disables 16 bit operation W18 16 Bit Data Width Selection W18 enables BHE to the AT LANTIC chip W18 should be removed only for 8 bit operation See also jumper W17 W18 Function In E...

Страница 49: ...ng W19 enables the ZT 8995 to drive WAITRQ onto the backplane W19 should remain installed W19 Function In Enables WAITRQ Out Disables WAITRQ Factory default configuration Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 50: ...wn advantages Thin and Thick Ethernet options use a bus topology while Twisted Pair Ethernet and fiber optic cabling use a star topology Due to the increased cabling costs fiber optic is not generally implemented at the node itself as are thin thick and twisted pair Instead fiber optic is commonly supported as a medium for interconnecting segments of the network to avoid noise and cross talk and t...

Страница 51: ...eT uses a star topology rather than the bus topology used for Thin and Thick Ethernet A star topology connects all nodes to a central hub repeater or bridge rather than tapping the node off the coax bus Each twisted pair node receives its signals from the same repeating originator Therefore every node has its own data link The communication rate is equal to that of Thin and Thick Ethernet which is...

Страница 52: ...ually a point to point cable that connects each of the network components together The cables are fitted with a male BNC connector on both ends Contact Ziatech s Technical Support for information regarding where to purchase interconnecting components and products described in this appendix ZT 8995 D2 jumper W10 must be installed to operate in a Thin Ethernet configuration Thin Ethernet T Connector...

Страница 53: ...etwork are capable of operation in the extended length mode The ZT 8995 can be programmed with AUTOSET8 to use the longer segment length No jumper changes are required to set the ZT 8995 for SL or EL segment usage The SL maximum length per segment is 185 meters 600 feet and the EL maximum length per segment is 300 meters 1000 feet Each SL segment can have a maximum of 30 nodes while EL segments wi...

Страница 54: ...ot the case then the entire network can have more than the maximum of five and three segments respectively but must not exceed the maximum total network span of 925 meters 3050 feet for SL segments and 900 meters 2950 feet for EL segments The maximum distance between any two nodes on the network can be equal to these maximum network spans Multi port repeaters can expand the number of nodes on the ...

Страница 55: ...Point to Point Coax Cable T Connectors With 50 Ohm Terminators Multi Port Repeater ZT 8995 or Compatible Node ZT8995 Repeater to Increase Segment Quantity Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 56: ...an IEEE 802 3 standard The male end of the AUI drop cable connects to the female connector J3 on the ZT 8995 D2 The female end connects to the MAU which is tapped off the Thick Ethernet cable Unlike Thin Ethernet the Thick Ethernet trunk generally does not use point to point cables to connect each of the components on the network segment Instead it uses continuous lengths of coaxial cable that hav...

Страница 57: ...rally are not used on a Thick Ethernet segment except with certain MAUs that splice into the thick coax with N type connectors instead of tapping into the cable with non intrusive taps The next section describes the MAU Thick Ethernet Media Attachment Units The transceiver MAU is usually a small box with two connectors one male 15 pin D connector with locking posts IEEE retention standard and one ...

Страница 58: ...g where to purchase interconnecting components and products described in this appendix Media Attachment Unit MAU Transceiver N Type Screw Connectors Thick Type Coaxial Cable Male 15 Pin D Connector Preferably with Locking Posts For Connection To AUI Drop Cable ZT8995 Intrusive Tap MAU Non Intrusive Tap MAUs Non intrusive cable taps also known as vampire or stinger taps provide easy connection to t...

Страница 59: ...ed with a System Quality Error test function is used as a repeater transceiver you must disable the test a transceiver is used when connecting a repeater to a Thick Ethernet cable trunk You can however enable the test when using the MAU as a ZT 8995 D2 transceiver TWISTED PAIR ETHERNET CABLING Each Twisted Pair Ethernet node has its own interface to a central hub This interface can be a repeater b...

Страница 60: ...e the ZT 8995 D1 in a twisted pair configuration AUI Drop Cable MAU MAU MAU MAU Media Attachment Unit Transceiver Repeater MAU MAU MAU MAU MAU Twisted Pair Wiring Twisted Pair MAU ZT 8995 or Compatible Node AUI Drop Cable ZT8995 Twisted Pair Ethernet Connection Twisted Pair Ethernet Repeaters Twisted Pair Ethernet must use multi port repeaters since a star configuration or segment is the only meth...

Страница 61: ...longer cable runs Fiber optic cabling uses the Thick Ethernet connector J3 on the ZT 8995 Jumper W10 must be removed to disable the Thin Ethernet section of the ZT 8995 Implement repeaters and Media Attachment Units MAUs in the fiber optic interface when using fiber optic to connect two segments or to connect a node to a segment Call Ziatech s Technical Support for information regarding where to p...

Страница 62: ...s providing immunity to crosstalk noise and power surging If you wish to connect a single node to a segment using fiber optic cable then use a similar configuration except don t use a repeater at the node end of the cable A fiber optic MAU transceiver is still required however AUI Drop Cable MAU MAU MAU MAU Media Attachment Unit Transceiver Repeater Repeater MAU MAU MAU ZT 8995 or Compatible Node ...

Страница 63: ...nects together three buildings including one with three floors It is impractical to show all of the possible interconnecting schemes in one figure because so many networking devices are available The purpose of the figure is to illustrate that there are many different interconnection possibilities available There can be large cost differences between interconnection solutions using the different m...

Страница 64: ...OR 3 FLOOR 2 FLOOR 1 Repeater Thin Ethernet Thick Ethernet TNT TNT TNT TNT AUI Cable Repeater Host Interface Module Thin Ethernet Thin Ethernet TPT TPT Thin Ethernet TPMA TPT Terminal Block Twisted Pair Cable AUI Cable TNT Thick Net Transceiver TPMA Twisted Pair Media Adapter TPT Twisted Pair Transceiver FOT Fiber Optic Transceiver Node ZT8995 Sample Network Solution Diagram Artisan Technology Gro...

Страница 65: ...General Network Characteristics Thin Ethernet Cheapernet Thick Ethernet Attachment Unit Interface Cable Twisted Pair Ethernet Fiber Optic General Network Characteristics Data rate 10 Mbps Maximum number of nodes per network 1024 Communication method CSMA CD Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 66: ...aracteristic Standard Length Extended Length Topology Bus Bus Maximum segment length 185 meters 600 feet 300 meters 1000 feet Maximum number of repeaters between any two nodes 4 2 Network span 925 meters 3050 feet 900 meters 2950 feet Maximum nodes per segment 30 100 Minimum spacing between nodes 0 5 meters 20 inches 0 5 meters 20 inches Cable type RG58 A U 50 ohm RG58 A U 50 ohm Cable connectors ...

Страница 67: ...Minimum spacing between nodes 2 5 meters 8 feet at tap in markings Cable type 4 dia Solid 50 ohm double shield Cable connectors N type Termination 50 ohm Attachment Unit Interface Cable Maximum cable length 50 meters 165 feet Cable type 39 dia 4 twisted pairs shielded Cable connectors 1 male 15 pin D 1 female 15 pin D Defined by IEEE 802 3 10BASE5 standard Artisan Technology Group Quality Instrume...

Страница 68: ... segment 1 Cable type Unshielded twisted pair Cable connectors RJ 45 Fiber Optic Characteristic Fiber Optic Topology Star Maximum run or segment length 1000 meters 3280 feet Maximum nodes per segment 1 Cable type Duplex fiber optic Cable connectors ST or SMA pair 10BASET Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 69: ...ge AUX V 0 to 15 Volts Storage Temperature 65º through 150º Celsius Operating Temperature 0º through 70º Celsius Non Condensing Relative Humidity 95 40º Celsius DC Operating Characteristics Twisted Pair Ethernet 10BaseT Operation 5 VDC 5 0 140 A typ 0 350 A max Thin Ethernet 10Base2 Operation 5 VDC 5 0 495 A typ 0 705 A max Thick Ethernet 10Base5 Operation 5 VDC 5 0 12 A typ 0 33 A max 12 VDC 5 0 ...

Страница 70: ... NMIRQ PBRESET INTRQ2 CNTRL PCI 3 AUX GND AUX V AUX GND AUX V SYSRESET 2 CLOCK 2 PCO 3 STATUS 1 BUSAK INTAK WAITRQ WR IORQ IOEXP INTRQ1 A3 A2 A1 A0 A7 A6 A5 A4 D3 A19 1 D2 A18 1 D1 A17 1 D0 A16 1 5 VDC GND VBAT INTRQ4 PIN COMPONENT SIDE OUTPUT DRIVE INPUT LOAD MNEMONIC P2 P4 P6 P8 P10 P12 P14 P16 P18 P20 P22 P24 P26 P28 P30 P32 P34 P36 P38 P40 P42 P44 P46 P48 P50 P52 P56 P54 P53 P55 P47 P49 P51 P3...

Страница 71: ...ENT SIDE OUTPUT DRIVE MNEMONIC INPUT LOAD E2 E4 E8 E6 E10 E12 E14 E16 E18 E20 E22 E24 E26 E28 E30 E32 E34 E36 E38 E40 E42 E44 E46 E48 E50 E52 E54 E56 E58 E60 E62 E64 E66 E68 E70 E72 E74 E76 E78 E80 E1 E3 E5 E7 E9 E11 E13 E15 E17 E19 E21 E23 E25 E27 E29 E31 E33 E35 E37 E39 E41 E43 E45 E47 E49 E51 E53 E55 E57 E59 E61 E63 E65 E67 E69 E71 E73 E75 E77 E79 60 60 60 60 60 1 1 1 1 1 1 60 60 60 60 60 60 1 ...

Страница 72: ...1 mm 6 5 inches Weight 4 0 oz D1 5 1 oz D2 COMPONENT SIDE 6 500 4 500 2X 0 400 3 610 0 06 RADIUS MAX 2 PL 0 15 X 45 CHAM 3 PL 0 015 5 X 45 BEVEL BOTH EDGES 0 015 X 45 CHAMFER 2 PL 0 445 TOLERANCES 0 XXX 0 005 INCHES 0 100 FROM EDGE NO COMPONENT PLACEMENT 2 PL o o o 0 062 0 007 0 250 0 005 0 015 0 250 0 025 ZT 8995 Board Dimensions Artisan Technology Group Quality Instrumentation Guaranteed 888 88 ...

Страница 73: ...en the ZT 8995 and the STD 80 bus This connector is a 56 pin dual 28 pin card edge connector with fingers on 0 125 inch contact spacing The mating connector is a Viking 3VH28 1CNK5 or equivalent for the solder tail or a Viking 3VH28 1CND5 or equivalent for a three level wire wrap The P E Connector Pinout figure following shows pin assignments for the P connector and the STD Bus Loading P Connector...

Страница 74: ...older Side E13 E14 P01 P02 E15 E16 P03 P04 E17 E18 P05 P06 E19 E20 P07 P08 E21 E22 P09 P10 E23 E24 P11 P12 E25 E26 P13 P14 E27 E28 P15 P16 E29 E30 P17 P18 E31 E32 P19 P20 E33 E34 P21 P22 E35 E36 P23 P24 E37 E38 P25 P26 E39 E40 P27 P28 E41 E42 P29 P30 E43 E44 P31 P32 E45 E46 P33 P34 E47 E48 P35 P36 E49 E50 P37 P38 E51 E52 P39 P40 E53 E54 P41 P42 E55 E56 P43 P44 E57 E58 P45 P46 E59 E60 P47 P48 E61 E...

Страница 75: ...d notch must be cut from the connector in order to fit into connector J1 The 10 pin part number is 622 1030 from TB Ansley or equivalent The pin assignment are given in the J1 Frontplane Interrupts Pinout table below J1 Frontplane Interrupts Pinout Pin Signal Name Signal Level 2 FP1 Interrupt Output IR15 4 FP3 Interrupt Output IR10 6 FP5 Interrupt Output IR11 8 FP6 Interrupt Output IR15 10 FP7 Int...

Страница 76: ...signment are given in the J2 Twisted Pair Pinout table below The mating connector is a female 8 pin plug and can be purchased from Amp part number 5 641338 2 or Molex part number 90075 0132 or equivalent J2 Twisted Pair Pinout Pin Signal Name 1 Transmit Tx 2 Transmit Tx 3 Receive RX 4 No Connection 5 No Connection 6 Receive RX 7 No Connection 8 No Connection Artisan Technology Group Quality Instru...

Страница 77: ...an also be purchased through AMP Inc The pin assignment are given in the below J3 Thick Ethernet Pinout table below for IEEE 802 3 operation J3 Thick Ethernet Pinout Pin Signal Name 1 Ground 2 Collision Detect CD 3 Transmit Tx 4 Ground 5 Receive RX 6 Ground 7 No Connection 8 Ground 9 Collision Detect CD 10 Transmit TX 11 Ground 12 Receive RX 13 12 Volts 14 Ground 15 No Connection Artisan Technolog...

Страница 78: ...conductive retaining bar used on some card cages to lock the cards in place This retaining bar may be tied to logic ground while J4 is meant to be isolated from logic ground the shield of J4 is tied to chassis or earth ground Any unwanted contact can be eliminated in one of the following ways 1 Remove the bar altogether 2 Insert some form of insulating material between the retaining bar and the BN...

Страница 79: ...h takes extra care in the design of the product in order to ensure reliability The product was designed in top down fashion using the latest in hardware and software design techniques so that unwanted side effects and unclean interactions between parts of the system are eliminated Each product has an identification number Ziatech maintains a lifetime data base on each board and the components used...

Страница 80: ...the outside of the box ZIATECH WARRANTY Warranty information for Ziatech products is available at Ziatech s website located at http www ziatech com TRADEMARKS NetWare is a registered trademark of Novell Inc 3Com and 3 are registered trademarks of 3Com Corporation PC NFS is a trademark of Sun Microsystems Inc UNIX is a registered trademark of AT T MS NET and XENIX are registered trademarks of Micro...

Страница 81: ...ve San Luis Obispo CA 93401 USA Tel 805 541 0488 FAX 805 541 5088 E Mail tech_support ziatech com Internet http www ziatech com Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 82: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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