Страница 1: ...Workstations and MicroVAX 2000 Network Guide Order Number EK NETAB UG 002 digital equipment corporation maynard massachusetts...
Страница 2: ...medfor the use or reliabUity ofsoftware or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies Copyright 1986 1987 by Digital Equipment Corporation All Rights R...
Страница 3: ...onents 2 2 ThinWire Ethernet Cable 2 3 Connectors and Terminators 2 5 Additional Equipment 2 6 DIGITAL ThinWire Ethernet Multiport Repeater DEMPR 2 6 DIGITAL ThinWire Ethernet Station Adapter DESTA 2...
Страница 4: ...tors 3 2 DEMPR 3 2 Estimating Your Needs 3 2 Planning the ThinWire Segment 3 3 Setting the Switch for ThinWire Ethernet 3 4 Connecting to a ThinWire Ethernet Segment 3 4 Connecting VAXstation 2000 Mic...
Страница 5: ...Connecting ThinWire Ethernet to Standard Ethernet 2 12 2 11 Multisegment ThinWire Configuration 2 13 2 12 Symbols for Configurations 2 14 2 13 Single Segment ThinWire Configuration 2 16 2 14 Stand alo...
Страница 6: ...9 Attaching the T connector to the DESTA 3 10 3 10 Attaching the Transceiver Cable to the DESTA 3 11 3 11 ThinWire Cables Connected to the DEMPR 3 13 3 12 Attaching a Terminator to a ThinWire Segment...
Страница 7: ...ng ThinWireEthernet 2 Workstations and MicroVAX 2000Network Guide Chapter 2 This chapter tells you how to configure your network 3 Workstations and MicroVAX 2000 Network Guide Chapter 3 This chapter d...
Страница 8: ...LTRIX networks and VAXclusters Chapter 2 describes the basic components you will need some simple configurations and the rules for connecting to ThinWire Ethernet Chapter 3 describes how to determine...
Страница 9: ...rea network Ethernetnetworks provide rapid access to data in remote locations and the high data rate supported by DIGITAL S DECnet software makes file transfers practical In baseband Ethernet Standard...
Страница 10: ...hielded twisted pair building cable Unshielded tvdsted pair adapters connect a single device DESTA with MicroVAX attached VAXmate VAXstation 2000 Personal computer with DEPCA DELUA or DELQA Ethernet c...
Страница 11: ...puter system to direct another system to execute commands and or perform tasks Down line loading allows programs developed on a system with appropriate peripherals and resources to be sent to anothers...
Страница 12: ...r VMS worksystems removing the problems of system management on a per node basis and elevates it to a single system management domain Except for the interconnect dependent driver software the same VAX...
Страница 13: ...et This chapter also describes how to set up your system to connect to standard Ethernet Standard Ethernet To use standard Ethernet on your VAXstation 2000 move the Ethernet switch ontheback ofthe sys...
Страница 14: ...Ethernet Basic ThinWire Components The Ethernet Module contains a transceiver that allows you to connect your system to ThinWire Ethernet The Ethernet Module is preinstalled in all VAXstation 2000 and...
Страница 15: ...polyvinyl chloride PVC or Teflon Either PVC or Teflon cable can be used in an open office area However in the Uruted States Teflon may be required for areas classified by the Underwriter s Laboratory...
Страница 16: ...bles Order No Description BC16M 06 ThinWire Cable PVC 6 BC16M 15 ThinWire Cable PVC 15 BC16M 30 ThinWire Cable PVC 30 H8243 A ThinWire Cable PVC 1000 spool H8244 A ThinWire Cable Teflon 1000 spool Fig...
Страница 17: ...end of a ThinWire segment that provides the 50 ohm termination resistance needed for the cable If the ThinWire cable connects to a DIGITAL ThinWire Ethernet Multiport Repeater DEMPR then a terminator...
Страница 18: ...y a single segment You can connect up to eight ThinWire Ethernet segments to a single DEMPR to form a single Local Area Network Or you can connect a ThinWire LAN to standard Ethernet through the DEMPR...
Страница 19: ...rii standard Ethernet and Ethernet communication equipment The DESTA has two ports one port connects to the T connector connected to ThinWire a second port connects a transceiver cable that leads to a...
Страница 20: ...t is destined for another standard LAN is allowed to cross over the DEBET ThinWire Configurations A ThinWire configuration is an economical way to connect VAXstation 2000s MicroVAX 2000s or VAXmates i...
Страница 21: ...ween your machine and the central equipment room or DEMPR Consult your DIGITAL representative for more information about DECconnect The appendix lists the DECconnect documentation Figure 2 8 illustrat...
Страница 22: ...re segment inoperative Combined Daisy chain and DECconnect Approach A third way to improve reliability and lower costs would be to combine the Daisy chain and DECconnect approaches To do this run a si...
Страница 23: ...oVAX 2000 VAXmate MLO 1325 87 A local area network may be part of a larger network For example a department of a large company that uses ThinWire Ethernet in a LAN shown in Figure 2 9 to communicate i...
Страница 24: ...onnecting ThinWire Ethernet to Standard Ethernet Ih4000 H H4000 I STANDARD ETHERNET H4000 VAXstation ll GPX VAXstation DEMPR ThinWire ETHERNET VAXstation MicroVAX 2000 2000 H4000 MicroVAX II VAXmate H...
Страница 25: ...segment ThinWire configuration that uses the DEMPR to connect several ThinWire segments Figure 2 11 Muitisegment ThinWire Configuration VAXstation 2000 DEMPR VAXstation ThinWire Segment A ThinWire Seg...
Страница 26: ...d alone DELNI with DEMPRs Disconnecting stations from ThinWire Ethernet Configurations Symbols Figure 2 12 shows the symbols used in this section Figure 2 12 Symbols for Configurations STANDARD ETHERN...
Страница 27: ...barrel connector used One 50 ohm terminator must be at each end of a segment If a segment is attached to a DEMPR then only one terminator is needed on the end not attached to the DEMPR because the DE...
Страница 28: ...inWire cable with stations connected Figure 2 13 Single Segment ThinWire Configuration 185 m 606 ft MAXIMUM 7 TJ dest 0 5 m 1 65 ft MINIMUM UP TO 30 STATIONS 2 16 Workstations and MicroVAX 2000 Networ...
Страница 29: ...cable can be up to 185 m 606 ft long Each cable can have up to 29 stations the 30th position is taken by the DEMPR Segmentsconnectedto the DEMPR must NOT be grounded The DEMPR internally grounds the e...
Страница 30: ...transceiver that provides a single connection between standard Ethernet and Ethernet communication equipment Note If you are connecting your ThinWire Ethernet network to a larger network consult the...
Страница 31: ...wn in Figure 2 17 The ThinWire cable with the cascading DEMPRs can be up to 185 m 606 ft long Connect the DEMPRs to ThinWire cable using DESTA transceivers Up to 29 DESTAs with their corresponding DEM...
Страница 32: ...Because only two DEMPRs are allowed between stations you cannot have a cascading DEMPR on a DEMPR attached to a DELNI Conventions for ThinWire cables connected to the DEMPRs are the same as those defi...
Страница 33: ...e two more repeaters can be used in the next LAN to extend the network Up to seven bridges are allowed between stations A bridge acts as a LAN filter Only messages addressed to stations on the other s...
Страница 34: ...ion Do not remove the T connector from the cable This will break the connection on the ThinWire segment and disrupt all stations on the segment Figure 2 19 shows how to disconnect a station from a Thi...
Страница 35: ...may be any VAX system except VAX 11 725 or VAX 11 730 or it may be one of the following MicroVAX II or VAXstation II systems MicroVAX II with an RA series system disk MicroVAX II with an RD54 system d...
Страница 36: ...s machines require at least 4 Mb memory Diskless machines should not be turned off Figure 2 20 shows a block diagram of a boot node and some of its 26 satellite nodes connected on ThinWire Ethernet Fi...
Страница 37: ...network coordinator on the best way to connect your LAN to the larger network Consult the network coordinator to ensure that all node names and node addresses on your LAN are uniqueand do not already...
Страница 38: ...server that use transceiver cables to ThinWire Ethernet you need a DESTA and a transceiver cable Terminators You need oneterminator for each endof a ThinWire segment Ifyouconnect a ThinWire segment t...
Страница 39: ...Connector Barrel connector T connector DESTA Transceiver cable Terminator DEMPR Planning the ThinWire Segment We recommend that you plan for any future stations by connecting extra T connectors and T...
Страница 40: ...UTTON ETHERNET SWITCH HALT ICON Connecting to a ThinWire Ethernet Segment The two types of stations that can connect to ThinWire Ethernet are 1 Stations with connectors VAXstation 2000 MicroVAX 2000 o...
Страница 41: ...tach ThinWire cable to one side of the T connector as shown in Figure 3 2 Figure 3 2 Connecting the T connector to ThinWire T CONNECTOR CONNECTOR a MLO 1338 87 3 If the station is the first or last st...
Страница 42: ...r last station and you want to connect another station to the ThinWire cable do not attach a terminator to the T connector Add another section of ThinWire cable to the T connector as shown in Figure 3...
Страница 43: ...to the right as shown in Figure 3 5 This figure shows the cabling only for VAXstation 2000 If you have a MicroVAX 2000 or a VAXmate locate the connector on the back and connect the T connector in the...
Страница 44: ...other VAX ll 7xx or VAX 8xxx 1 Set the power switch to off 0 on the station 2 Attach ThinWire cable to one side of the T connector as shown in Figure 3 6 Figure 3 6 Connecting the T connector to Thin...
Страница 45: ...e first or last station and you want to connect another station to the ThinWire cable do not attach a terminator to the T connector Add another section of ThinWire cable to the T connector as shown in...
Страница 46: ...as shown in Figure 3 9 Figure 3 9 Attaching the T connector to the DESTA T CONNECTOR CONNECTOR MLO 1345 87 6 Attach the 15 pin connector on the transceiver cable to the DESTA as shown in Figure 3 10 3...
Страница 47: ...VER CABLE CONNECTOR 15 PIN DESTA CONNECTOR DESTA T CONNECTOR 7 Attach the transceiver cable to the back of the station 8 If you want to attach another station to ThinWire follow the directions for the...
Страница 48: ...ollowing 1 Notify all stations on the segment that the network will be down for a period of time to add new stations 2 Add new stations to the ThinWire segment following the directions for the type of...
Страница 49: ...egment as described in Cormecting a Station to a ThinWire Ethernet Segment section 3 Connect each ThinWire Ethernet segment to a connector on the DEMPR Figure 3 11 shows ThinWire cables connected to t...
Страница 50: ...of each ThinWire segment connected to the DEMPR as shown in Figure 3 12 Figure 3 12 Attaching a Terminator to a ThinWire Segment CONNECTOR CONNECTED TO DEMPR r T CONNECTOR 3 14 Workstations and MicroV...
Страница 51: ...terminator to any unused port on the DEMPR as shown in Figure 3 13 Figure 3 13 Terminator Connected to the DEMPR TERMINATORS AC POWER CORD TO REAR ThinWire CABLES MLO 1349 87 Installing ThinWire Hard...
Страница 52: ...lengthen the cable between stations you can use a barrel connector However the barrel connector will count as a station on a ThinWire segment and will decrease the number of stations you can place on...
Страница 53: ...is unique You or your network coordinator will need a unique Ethernet hardware address for each system when configuring DECnet software 4 If the last line of information appearing above the prompt is...
Страница 54: ...le to the connector on the station or on the DESTA You must use a T connector between the connector on the cable and the station or DESTA 3 Do not connect any ThinWire segment between a ThinWire stati...
Страница 55: ...t and the DESTA is connected to a controller that is powered up then your DESTA may need to be replaced 3 If the LED is on but the unit is still suspect try running an external self test on the QNA or...
Страница 56: ...ation Workbook EK DECSY EG DECconnect System Installation and Verification Guide EK DECSY VG DECconnect System Planning and Configuration Guide EK DECSY CG DIGITAL ThinWire Ethernet Station Adapter DE...
Страница 57: ...Unshielded Twisted Pair Ethernet Office Adapter Installation Instructions EK TPEOA IN A 2 Workstations and MicroVAX 2000 Network Guide...
Страница 58: ...lates local traffic coaxial cable A 2 conductor concentric constant impedance transmission cable DEBET See bridge DECconnect digital s simple cost effective cabling system for extending Ethernet and t...
Страница 59: ...a barrel connector Ethernet A type of local area network based on Carrier Sense Multiple Access with Collision Detection CSMA CD ground A voltage reference point in a system that has a zero voltage p...
Страница 60: ...ket or connector at the back of the computer to which a terminal printer or other communication devices are connected PVC The standard coating used on cables PVC is not UL certified for installation i...
Страница 61: ...ct stations that have transceiver connectors to ThinWire Ethernet cable The DESTA is a station adapter T connector Connectors used to join ThinWire Ethernet cable sections The connectors also attach t...
Страница 62: ...n equipment unshielded twisted pair cable Multiple conductor cable whose component cables are paired together twisted and enclosed within a single jacket ULTRlX 32 ULTRIX 32W DIGITAL implementations o...
Страница 63: ...ermining need for 3 1 Connectors list of 2 5 Index Daisy chain approach benefits of 2 10 DEBET See Ethernet bridge DECconnect and daisy chain benefits of 2 10 DECnet down line loading 1 3 file transfe...
Страница 64: ...Organization 1 3 ISO See International Standards Organization lndex 2 LAN See Local Area Network Local Area Network definition 1 2 DEMPRs and 2 6 extended 2 8 Local Area VAXcluster remote booting 1 4...
Страница 65: ...r description of 2 5 determining need for 3 2 Teflon 2 3 Terminator description of 2 5 determining need for 3 2 Terminators list of 2 5 ThinWire Ethernet connectors 2 5 cutting and crimping 2 3 defini...
Страница 66: ...y 809 754 7575 Canada 800 267 6219 for software documentation 613 592 5111 for hardware documentation Digital Equipment of Canada Ltd 100 Herzberg Road Kanata Ontario Canada K2K 2A6 Attn Direct Order...
Страница 67: ...andable usable and well organized Please make suggestions for improvement Did you find errors in this manual If so specify the error and the page number Please indicate the type of user reader that yo...
Страница 68: ...N0 33 MAYNARD MASS POSTAGE WILL BE PAID BY ADDRESSEE DIGITAL EQUIPMENT CORPORATION CORPORATE USER PUBLICATIONS MLd5 5 E45 146 MAIN STREET MAYNARD MA 01754 2571 llMllllllllllillllllllllllllllllllllllll...
