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I/O and Cabling Considerations

If you want to connect to another DTE device, you will need a crossover wiring scheme
somewhere in the cabling. (Communication between DTE-to-DTE devices requires a
crossover.) To make a modular cable with a crossover, you need only crimp the RJ-45
connector in the same direction at both ends. This crosses all wires in the cable. Figure 3-3
shows the crossover wiring scheme. Typically, to connect a standard terminal to a serial port
you would use a crossover cable with female DB-25 adaptor at the terminal end.

The crossover connects the terminal server transmit data (XMT) line to the receive data (RCV)
line of the user DTE device. Similarly, the terminal server receive data (RCV) line crosses
over to the transmit data (XMT) line of the user DTE device. The other signals are crossed
over in a similar manner (see Figure 3-3).

If you want to connect a DCE device to a terminal server serial port, straight-through wiring is
required. To make a modular straight-through cable, you need only crimp the RJ-45 connector
in opposite directions at both ends. Figure 3-4 shows the straight-through wiring scheme.

3.2.3

Modular Adaptors (RJ-45 to DB-25)

You can obtain adaptors with male and female DB-25 connectors from Xyplex. These adaptors
direct signals from the RJ-45 connector on the cable to the correct pin on the DB-25 connector.
Figures 3-3 and 3-4 show how devices are cabled when you use these adaptors.

Flow Control and Modem Control

The model 721 20-port I/O module's serial ports can be set up to support RTS/CTS flow control,
modem control, or both of these concurrently. Section 5.6 of the Software Management Guide
describes flow control options and explains how to set up flow control at a port. The adaptors
shown in Figures 3-3 and 3-4(b) support RTS/CTS flow control. Terminal Server 720 RJ-45
serial ports can also be set up to support modem control. Section 5.5 of the Software
Management Guide describes modem control options and explains how to set up modem
control at a port. The adaptor shown in Figure 3-4(a) supports modem control, by supporting the
RING signal.

0021

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Содержание Terminal Server 720

Страница 1: ...ver 720 17 2 7 Initialize Connected Serial Devices 20 Chapter3 I O and Cabling Considerations 3 1 Overview to Cabling 21 3 2 RJ 45 Cabling Options 23 3 2 1 Making Your Own RJ 45 Cables 23 3 2 2 Device...

Страница 2: ...inal Server Configuration Menu Options 65 C 3 1 Option 1 Display Configuration 66 C 3 2 Option 2 Modify Unit Configuration 68 C 3 3 Option 3 Initialize server and port parameters 76 C 3 4 Option 4 Rev...

Страница 3: ...Network 9000 Documentation Map Managing Network 9000 Modules and Power Supplies Software Installation Guides for UNIX VAX VMS MAXman Cards and Memory Cards Hardware Installation Software Installation...

Страница 4: ...also covers product prerequisites such as which software release is required in order to use the product and shows the location and purpose of the controls and indicators on the unit Chapter 2 Instal...

Страница 5: ...configurations Specify information for directed TFTP loading Select a network segment Initialize parameters Revert to stored configuration Revert to factory defaults Enable display of load status mes...

Страница 6: ...CARD RUN CON C 2 3 4 5 6 7 1 8 A B Figure 1 1 Terminal Server 720 Module Front View The following are some of the key features of the Terminal Server 720 Designed for Ease of Start up The Terminal Se...

Страница 7: ...using the same wiring schemes available for the Model 721 I O module These ports support modem control signals and communication speeds from 75 bps to 115 2 Kbps When using port speeds higher than 64...

Страница 8: ...ernet LAN IBM Host System Modems Terminals Serial Printers Network 9000 Terminal Servers Other Serial Devices Including Xwindows Terminals Personal Computers Barcode readers Controllers Point of sale...

Страница 9: ...Terminal Server 720 cards Memory Card Slot TERMINAL SERVER 720 ETHERNET CARD RUN CON C Serial Port Status Lights Ethernet Segment Indicator Lights Memory Card Drive Status Light 720 Card Status Light...

Страница 10: ...esolution Protocol RARP and TFTP or Trivial File Transfer Protocol for Directed TFTP Other Xyplex loader units such as a MAXman unit The load server sends a software image to the server over the netwo...

Страница 11: ...e DEFINE CHASSIS commands to change the parameter loading method refer to the Guide to Managing Network 9000 Devices and Power Supplies for more information The Terminal Server 720 is configured at th...

Страница 12: ...he Software Installation Guide supplied with your software kit Load image names will be listed in the Software Kit Information supplied with your kit The Terminal Server 720 has a hardware type of 76...

Страница 13: ...d I O Card Network 9000 processor and I O modules are very easy to install If you have previously installed a Network 9000 processor or I O module simply locate an empty slot in the Network 9000 chass...

Страница 14: ...etwork 9000 chassis or another grounded object before you insert the Memory card to avoid discharging static electricity into the Terminal Server 720 Markings on the memory card indicate which end you...

Страница 15: ...parameters If you have installed the Terminal Server 720 into an already functional Network 9000 Hub you may need to reset the unit manually as described below The unit is configured at the factory to...

Страница 16: ...the light pattern should appear as follows during the self test Front Panel Light Activity Meaning All lights ON Testing lights approximately 1 second CARD RUN CON A B and C Ethernet lights OFF Self T...

Страница 17: ...he CARD light is ON RUN and Ethernet A B or C LEDs blink simultaneously Software load in progress Port lights go ON sequentially from right Port 8 status light to left Port 1 status light Then lights...

Страница 18: ...would like to be known as while you are connected then press RETURN again You can type up to 16 characters numbers or letters This name is your identifier during this session If you choose you can cha...

Страница 19: ...75 bps to 115 2 Kbps Section 3 3 covers cabling options for this I O module When using port speeds higher than 64 kbps you must be careful to use a cabling scheme that minimizes the potential for cro...

Страница 20: ...Signal Name Type Available For DTR Data Terminal Ready Output RJ45 Telco XMT Transmit Data Output RJ45 Telco RTS Request to Send Output RJ45 GND Ground RJ45 Telco RCV Receive Data Input RJ45 Telco DC...

Страница 21: ...ustomer cable making kits Standard cabling items available from Xyplex allow you to connect to any serial device that uses a male or female DB 25 connector All you need is the appropriate modular cabl...

Страница 22: ...4 1 13 14 25 DB 25 Female DB 25 Male 8 7 6 5 4 3 2 1 RJ 45 Plug Male Figure 3 2 RJ 45 DB 25 Pins Female RJ 45 Pin Signal 1 RNG CTS input 2 DTR output 3 XMT output 4 XMTGND 5 RCVGND 6 RCV input 7 DSR D...

Страница 23: ...d To make a modular straight through cable you need only crimp the RJ 45 connector in opposite directions at both ends Figure 3 4 shows the straight through wiring scheme 3 2 3 Modular Adaptors RJ 45...

Страница 24: ...45 Connector Figure 3 3 Terminal Server to DTE Adaptor Wiring Note In order to expand the functionality of the serial interface the RJ 45 modular cabling allows you to connect different signals to pin...

Страница 25: ...I O and Cabling Considerations See Note before Figure 3 4 Figure 3 4 Adaptor Wiring Server to DCE 0021 3 27...

Страница 26: ...e is constructed using standard six wire cable DEConnect Crossover Cable Male RJ 45 Connector Male MMJ Connectors 1 RING CTS 2 DTR 3 XMT 4 XMTGND 5 RCVGND 6 RCV 7 DSR DCD 8 RTS 6 DSR 5 RCV 4 RCVGND 3...

Страница 27: ...nnect the RJ 45 serial ports to a punch down block Figure 3 6 shows an octopus cable with a 50 pin Telco connector 50 pin Telco connector male or female 6 Eight male RJ 45 connectors Figure 3 6 Octopu...

Страница 28: ...lco style cabling Xyplex offers octopus cables that fan out a 50 pin Telco connector to eight male or female DB 25 connectors These cables are available in 3 6 10 25 and 50 lengths You can connect the...

Страница 29: ...s are described later in this chapter 3 3 1 Rear Panel Connection Telco The Model 721 I O module has two 50 pin female Telco Amphenol connectors with bail locks as shown in Figure 3 10 The Model 724 I...

Страница 30: ...Tn 17 GNDn 41 RCVn 16 DCDn Port 7 15 23 46 DTRn 21 RNGn 45 XMTn 20 GNDn 44 RCVn 19 DCDn Port 8 16 24 49 DTRn 24 RNGn 48 XMTn 23 GNDn 47 RCVn 22 DCDn Note 1 Ports 1 through 8 are on connector A Ports 9...

Страница 31: ...1 Extension Cables The available lengths for each type are Telco Male to Telco Female Telco Male to Bottom Entry Female Male 0 91 m 3 3 05 m 10 to bottom entry female 3 05 m 10 7 62 m 25 to bottom ent...

Страница 32: ...DB25 connectors as shown in Figure 3 12 The following cable lengths are available for both octopus cable types 0 91 m 3 ft 1 83 m 6 ft 7 62 m 25 ft 15 24 m 50 ft Terminal Server 720 I O Module Octopu...

Страница 33: ...I O Module Modem DCE Terminal DTE Crossover cable needed Straight through cable needed Figure 3 13 Terminal Server DTE To DTE DCE Applications 3 3 4 Distribution Panels 16 Port DB 25 A 16 port distri...

Страница 34: ...I O and Cabling Considerations Shown as Male to DCE XYPLEX 105 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 22 RNG 20 DTR DCD 8 GND 7 RCV 3 XMT 2 Figure 3 14 16 Port Distribution Panel 3 36 0021...

Страница 35: ...PORT MODULAR SPLITTER XYPLEX Figure 3 15 24 Port Modular Splitter 3 3 6 Modular Cables and Connectors Xyplex can supply the following modular items for wiring from a splitter to your devices 6 wire ca...

Страница 36: ...shown in Figure 3 16 Xyplex recommends that bottom entry extension cables be used with velcro fasteners There are no bail lock latches on the block for the other type of connector Two 50 pin rows are...

Страница 37: ...RCV4 or RCV12 20 10 10 DCD4 or DCD12 21 36 36 XMT4 or XMT12 22 11 11 GND4 or GND12 23 37 37 DTR4 or DTR12 24 12 12 RNG4 or RNG12 25 38 38 RCV5 or RCV13 26 13 13 DCD5 or DCD13 27 39 39 XMT5 or XMT13 2...

Страница 38: ...sily integrated into the DEC RS 423 36 pin environment The conversion to 36 pins occurs in the cabling to the serial devices by using a 50 pin Telco to 36 pin Telco DECconnect adaptor cable 3 3 10 DEC...

Страница 39: ...GND 14 RCVn 32 RCVn GND Port 8 or 16 15 XMTn 33 XMTn GND 16 RCVn 34 RCVn GND Note 1 Pins 17 18 35 and 36 are not used Note 2 The signal definitions are Signal Definition Type XMTn Transmit Output Fro...

Страница 40: ...the correct pins in the adaptor for example the crossover is made in the DROP adaptor so that only one type of six wire cable needs to be used If you wish to make your own cables you must construct th...

Страница 41: ...til the terminal server recognizes your device Note that the terminal server serial port automatically adjusts to the communication speed of your terminal 75 bps 38 4K bps using 8 bit characters with...

Страница 42: ...entation Set from Xyplex The order code for this set is DOC CS 001 4 4 Becoming a Privileged User To configure Internet related characteristics and use card management commands for the Terminal Server...

Страница 43: ...ver wide characteristic The keyword INTERNET indicates that you are assigning an Internet related characteristic This model is used throughout the command syntax used by the TCP IP LAT software Next s...

Страница 44: ...u may also need to configure your host systems to support domain name resolving using tools that are specific to the operating systems you are using Refer to the system documentation supplied with the...

Страница 45: ...twork that does not use a host for name serving using the server to resolve domain names in conjunction with the rotary connections feature Upon receipt of a request the server will examine the domain...

Страница 46: ...Specifies the Internet address for this terminal server An internet address consists of four numbers separated by periods Valid values for each of the four numbers are whole numbers in the range of 1...

Страница 47: ...main name suffix list XYPLEX COM EDU Example Xyplex DEFINE SERVER INTERNET DEFAULT DOMAIN SUFFIX XYPLEX COM EDU INTERNET PRIMARY DOMAIN ADDRESS INTERNET SECONDARY DOMAIN ADDRESS Specifies the internet...

Страница 48: ...aracters including the letters A through Z lower case letters are treated as upper case letters the numbers 0 through 9 the underscore _ and hyphen characters Separate each segment within a domain nam...

Страница 49: ...be reachable without the assistance of an IP Gateway If they are not equal then the unit will attempt to reach the destination via an IP Gateway The subnet mask is defined using the same format as an...

Страница 50: ...port additional features and have more resources available to users The following figure shows the location of the SIMM sockets on the Terminal Server 720 card You will need this information in order...

Страница 51: ...ts Retainers REAR Note If you add SIMMs the Terminal Server 720 will detect that additional memory has been added However if you remove SIMMs you must update Initialization parameters using the Initia...

Страница 52: ...RJ 45 Model 721 I O Module two 50 pin Telco Cable Lengths Serial Speed Length 19 2 Kbps or less 305 meters 1000 feet 38 4 Kbps 152 meters 500 feet 57 6 Kbps 60 meters 200 feet 115 2 Kbps 30 meters 10...

Страница 53: ...5A 12 Vdc 0 0A 12 Vdc 0 0A 7W 23 34 BTU Hr Model 721 I O Module Typical 5Vdc 1 1A 12 Vdc 0 4A 12 Vdc 0 4A 15 1W 50 3 BTU Hr Model 723 I O Module Typical 5Vdc 1 3A 12 Vdc 0 6A 12 Vdc 0 6A 20 9W 69 7 B...

Страница 54: ...e RJ 45 3 05 m 10 feet MX 151 3028 Straight through cable male RJ 45 to male RJ 45 0 305 m 1 foot MX 151 3033 Octopus Cables Octopus cable eight male RJ 45 to one female 50 pin Telco connector MX 151...

Страница 55: ...ables Modular adaptor male RJ 45 to female RJ 12 used to adapt MAXserver 1000 Series cabling to TSERV style cabling MX 350 0197 Modular adaptor male RJ 45 to female MMJ MX 350 0198 DECconnect Cables C...

Страница 56: ...tors requires 2 extension cables MX 151 079 Distribution Panel Blank 16 Port MX 151 3107 requires 2 six foot Octopus cables Punch Down Block 66M Style MX 151 3082 requires 2 50 Pin extension cables Ge...

Страница 57: ...Male DB25 Connectors MX 151 3088 6 8 Male DB25 Connectors MX 151 3108 10 8 Male DB25 Connectors MX 151 3101 25 8 Male DB25 Connectors MX 151 3102 50 8 Male DB25 Connectors MX 151 3103 Modular Cabling...

Страница 58: ...he network manager some flexibility in specifying how the unit loads a software image and its parameters as well as provide some backup or redundancy to make sure that the unit can load in case one of...

Страница 59: ...000 card that has a Memory card which contains the appropriate load image The default order in which protocols are tried is Memory Card Directed TFTP XMOP BOOTP TFTP MOP and RARP TFTP The flow chart o...

Страница 60: ...Offers Received Yes No Evaluate Offers Load File From Host Load via BOOTP TFTP Enabled Yes Issue BOOTP Load Request No Load Offers Received Yes No Load via MOP Enabled Yes Issue MOP Load Request No Lo...

Страница 61: ...test requires about 20 seconds to complete 3 When the RUN light flashes rapidly indicating that the self test has completed autobaud any serial port by pressing RETURN a few times at a terminal conne...

Страница 62: ...meters stored on a parameter server or memory card answer Y to the prompt that follows the Terminal Server 720 will retrieve the stored parameters when you re initialize the card Do not answer Y to th...

Страница 63: ...ges 3 Initialize server and port parameters Cancel any changes you have made without exiting from the menu The unit reverts to the configuration values that were last saved Typically you would select...

Страница 64: ...2 or 3 of the Display Unit Configuration Menu the menu will display a list of currently stored configuration values and the new configuration values for the specified load dump configuration This disp...

Страница 65: ...File Transfer Protocol information is present when DTFTP is listed as an Image load method Typically you only need to use this when loading across a router or when the load host does not support BOOT...

Страница 66: ...Unit Configuration Menu Modify Unit Configuration Menu Choices 1 2 and 3 If you select choices 1 2 or 3 of the Modify Unit Configuration Menu the menu prompts one of the following depending on which...

Страница 67: ...tware loading method CARD Memory card DTFTP Directed Trivial File Transfer Protocol XMOP Xyplex proprietary protocol MOP DEC Maintenance Operations Protocol BOOTP Bootstrap Protocol RARP Reverse Addre...

Страница 68: ...ods C X M B R Valid answers to this prompt are C Memory card X Xyplex Proprietary protocol M DEC MOP loader B BOOTP or R RARP You can select up to four parameter loading methods Selecting C enables th...

Страница 69: ...the DEC MOP loader protocol Selecting B enables the unit to dump memory at a BOOTP host Selecting R enables the unit to dump memory via RARP 4 If you have selected the CARD XMOP or MOP loading method...

Страница 70: ...for the requesting terminal server The numerical value 5 is useful when you want to require that a specific Xyplex load server be used to load the unit Numerical values 6 through 128 are currently un...

Страница 71: ...e amount of installed memory for which the unit has been configured If you remove memory you must change this value Preferably you should change this value before you remove the memory Also if you hav...

Страница 72: ...memory if you attempt to exit the Configuration menu saving changes Option S Also the front panel lights will flash an error code the next time the unit is initialized if you have not yet installed th...

Страница 73: ...ings If you answer N they will not be returned to their factory default settings After you have answered Y or N the menu will prompt Type any key to continue Press any key the unit returns you to the...

Страница 74: ...nu take place after you exit from the menu If you decide that you do not want to revert to the initial values you can again select Option 3 from the Configuration menu and answer No to the preceding p...

Страница 75: ...not want to exit from the menu type N and press RETURN the Configuration menu appears C 3 6 Option X Exit Without Saving Configuration Changes To select this option answer X to the Enter menu selectio...

Страница 76: ...ton to initialize the unit Upon successful completion of the self tests the terminal server loads software from a memory card or over the network from a load server During the self test and software l...

Страница 77: ...s network activity on Ethernet segment to which it is attached CARD light ON Unit is loading from a Memory card light ON for approximately 15 seconds The Terminal Server 720 is accessing the Memory ca...

Страница 78: ...pattern of diagnostic codes indicate that a hardware or software error has occurred When a startup error occurs 1 The port lights flash 10 times quickly 2 One or more port lights illuminate this is th...

Страница 79: ...24678 First Error Code Second Error Code LEDs flash sequentially Off On Figure D 1 Self Test Error Code Sequence Write down the numbers of the first and second pass error codes the lights that are ON...

Страница 80: ...e the unit First Pass 3 4 8 Second Pass 2 8 or First Pass 3 4 6 7 Second Pass 3 6 Appendix C explains how to access the Initialization Configuration menu Select Option 2 Modify Unit Configuration from...

Страница 81: ...hen debugging cables If the server appears to have selected a port speed LED goes on but you do not see any response when you press the RETURN key type the BREAK character to re initialize the port au...

Страница 82: ...erver selects the first load server listed The load server selection algorithm proceeds to find the load server with the highest merit value that is on line After checking the list of servers the cycl...

Страница 83: ...lights illuminate Memory Card Slot TERMINAL SERVER 720 ETHERNET CARD RUN CON C Serial Port Status Lights Ethernet Segment Indicator Lights Memory Card Drive Status Light 720 Card Status Light Console...

Страница 84: ...urely connected to the I O module connector LIC bridge or 10Base T 10Base F interface for the midplane LAN Ethernet segment There may be a problem with the network segment itself Check whether any oth...

Страница 85: ...have disabled message display using the Initialization Configuration Menu This does not prevent the unit from loading If you want to see the messages use the Initialization Configuration Menu and ena...

Страница 86: ...card and is running check the card for files using the SHOW MANAGER FILES command Problem The Terminal Server 720 does not appear to load from the network or is slow to load from the network Correct O...

Страница 87: ...ht miss some of the messages 1 A message similar to the following one appears for approximately 10 seconds after the self tests complete Terminal Server Type 76 Rev x xx x Ethernet address 08 00 87 xx...

Страница 88: ...rly If you have a VAX VMS load server you should make sure that the logical name MOM LOAD is defined properly Refer to the Software Installation Guide supplied with your VMS software kit If you have a...

Страница 89: ...pe indicates that the Terminal Server 720 gave up waiting for the load server to send a load file image When this happens the server restarts the load request process If the message count was not zero...

Страница 90: ...ore dump servers have the same merit value the Terminal Server 720 will select the first dump server listed Terminal Server Type 76 Rev x xx x Ethernet address 08 00 87 xx xx xx port x Maintenance dum...

Страница 91: ...ype several RETURNs the Terminal Server 720 is not configured on a load server for parameter load service Refer to the Software Installation Guide supplied with your software kit Terminal Server Type...

Страница 92: ...ansfer the server CPU to an address that is not supported by the terminal server Bad transfer address Execution address pointer was outside of legal memory range Load address range error Load image ex...

Страница 93: ...ption of the problem you may have encountered Sections D 9 through D 12 describe how to resolve the specific problems you may encounter a After you initialize the unit and it completes self test diagn...

Страница 94: ...likely cause is that it is attempting to load the wrong image e Following the completion of the above messages the welcome message or logon prompt for the unit is displayed You have successfully load...

Страница 95: ...hernet address supplied by the unit RARP looks up the Ethernet address in etc ethers file to obtain a host name then uses the UNIX function gethostbyname to obtain the Internet address which it sends...

Страница 96: ...grep bootp etc services For example on a Sun Workstation this entry will look like bootp 67 UDP If there is no entry in the etc services file add one If there is an entry check for a bootp entry in t...

Страница 97: ...ver host You can delete the copied default dmp file If the get operation is not successful try to get another file for example etc inetd conf to see if the problem is with the way TFTP is configured o...

Страница 98: ...entations require a leading back slash character for the name of the TFTP home directory If your implementation requires this check the pathname specified in the Initialization Configuration Menu for...

Страница 99: ...ss to the files For example while many implementations require the files to be owned by root on Sun Workstations the default owner is the special user id nobody 2 2 To determine if there is a file own...

Страница 100: ...abling Overview 22 DTR 22 Changing the Software Loading Dump request 91 Method 12 Dump server 91 Clear to Send 22 Dump server selection 91 Common Error Codes 82 Dumping memory 86 89 91 92 Communicatio...

Страница 101: ...oading Messages 73 Parameter service 65 Logging On to a Port 43 Power 54 M Pre installation activities 14 Product Prerequisites 12 Punch down block 29 39 Maintenance Operations Protocol R MOP 12 Makin...

Страница 102: ...88 Startup Error Codes 80 Straight through cables 23 Subnet mask 51 T TCP IP 8 TCP IP Characteristics 44 Telco Cabling Options 31 Telco connector 29 Terminal Cabling 54 Terminal Server Configuration...

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