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Lucidata Diplomat jr

Model JRN-ASV

Network Asynchronous Server

Lucidata House

Selwyn Close

Great Shelford

CAMBRIDGE CB2 5HA

England

tel: +44(0)1223 846100

fax: +44(0)1223 846200

email: [email protected]

Содержание Diplomat jr JRN-ASV

Страница 1: ...Lucidata Diplomat jr Model JRN ASV Network Asynchronous Server Lucidata House Selwyn Close GreatShelford CAMBRIDGECB25HA England tel 44 0 1223846100 fax 44 0 1223846200 email info lucidata com ...

Страница 2: ...w Lucidata House Selwyn Close Great Shelford CAMBRIDGE CB2 5HA England tel 44 0 1223 846100 fax 44 0 1223 846200 email info lucidata com Diplomat is a registered trademark of Lucidata Limited Lucidata Limited 1991 2001 No part of this publication may be reproduced transmitted transcribed stored in any retrieval system or translated into any human or computer language without the prior written perm...

Страница 3: ...ation Page 20 Normal Operation Page 20 UDP Client Server Page 21 TCP Client Server Page 21 Closing TCP Sessions Page 22 Status Reporting Page 22 Telnet Port Operation Page 22 Controlling the Flow of Data Page 23 Transparent Mode Page 24 LED Indicators Page 24 Trouble Shooting and Error Messages Page 25 Basic Error Conditions Page 25 Statistics Display Page 26 Network Trouble Shooting Page 27 Netwo...

Страница 4: ...m herself Lucidata does not accept any contingent liability for any damages whatsoever including direct indirect incidental consequential loss of business profits or special damages arising from the use of its equipment Lucidata assumes that if its equipment is used in a business critical or any other essential application then the system design should incorporate sufficient resilience to ensure t...

Страница 5: ...serial de vices over an RS232 interface It also has brothers and sisters that offer RS422 jrNV synchronous jrNS and parallel jrNP interfaces which run a variety of communications protocols This manual is structured to require the minimum of reading to effec tively operate the Diplomat jrN If as is our usual policy Lucidata has configured your unit for you you will only need to read Chapter 2 Get t...

Страница 6: ...Guide Issue No 2 03 01 6 Asynchronous Serial Port RJ45socket 10Base T BNC socket 10Base 2 GreenLED RedLED Power Power jack socket 8VDC YellowLED Port B Port A Getting Started Quickly Network Interface D25Female LinksL1 L2 LinksL4 L5 ...

Страница 7: ...ower up time so changing the connector during operation will not have the desired effect The 10Base T connector is wired for direct connection to a hub using UTP cable Power The power lead from the mains adaptor is plugged into the socket on the Port A end When power is applied to the adaptor the Red LED by the power connector should light If it does not you probably have a dead mains socket but r...

Страница 8: ...SV User Guide Issue No 2 03 01 8 DTR biased on DTR biased off DTR on pin 20 DTR on pin 19 9600 baud custom autospeed Rx Speed Selection Tx Speed Selection Configuration ChangingDataRateandDTRSignalonLinksinsidetheDiplomatjrN ...

Страница 9: ...s B C of link L2 will select pin 20 for DTR control A jumper between the left most pins A B of link L2 will select pin 19 for DTR control In addition the selected pin may be gently biased towards either ON or OFF by jumpering link L1 Some devices will still hold DTR high enough to appear ON even when they are powered off so by gently biasing the pin OFF when the device is powered down DTR is corre...

Страница 10: ... 16 decimal The interaction with the menu system might be considered rather old fashioned in this Windows World but there is a good reason why it was designed this way Basically it makes it easy to configure the jrN from a program running on any computer by simply sending a string of significant characters to Port A without waiting for any response In fact if the computer first sends a DC3 charact...

Страница 11: ...ces as once altered Port A will expect data coming in to comply with the newly specified speed and character format Having said that Configuration Byte D used in conjunction with Clock Links L4 and L5 can provide very versatile speed options includ ing split speed Selecting A B C or D from the Main Menu will cause the appropriate Configuration Byte to be displayed and the cursor will be positioned...

Страница 12: ...g the first 15 seconds after power up if configuration cable detected otherwise treat data stream completely transparently 1 Always action defined Control Characters 3 BXON 0 Treat DC1 and DC3 characters as data Note If the connected device issues either of these characters and BECHO 1 then a feedback loop is established and the network could be flooded with packets of DC1 DC3 characters 1 Use DC1...

Страница 13: ...ient 1 Accept packets from anyone as long as they are addressed to us in UDP Server mode 3 BCLIENT 0 Client initiates a TCP session on DTR high 1 Client initiates a TCP session on Data appearing 4 BSERV 0 Behave as a Client Device i e initiate sessions 1 Behave as a Server Device i e listen and wait for contact 5 BSEND 0 Disable Auto Send 1 Enable automatic sending of buffered data to the network ...

Страница 14: ...O 1 1 0 1 0 7 M 1 1 0 1 1 7 S 1 1 1 0 0 Where the Parity Bit Codes mean None Even Odd Mark Space The meaning of the bits in Configuration Byte D are given in the follow ing tables Clock 1 T1 is controlled by bits 0 to 3 Clock 2 T2 is controlled by bits 4 to 7 Speed Bit 3 Bit 2 Bit 1 Bit 0 bps or 7 or 6 or 5 or 4 75 0 0 0 0 150 0 0 0 1 300 0 0 1 0 600 0 0 1 1 1200 0 1 0 0 2400 0 1 0 1 4800 0 1 1 0 ...

Страница 15: ... Gateway IP Address 128 18 18 255 Default Sub Net Address Mask FFFFFF00 Default TCP UDP Service Port Id 7000 Status of TCP Session CLOSED O Set Our IP Address S Set Remote Server IP Address G Set Gateway IP Address M Set Sub Address Mask P Set Server Port Id C Set Client Port Id F Firewall Definition Menu A Broadcast ARP Request B Broadcast BOOTP Request R Broadcast RARP Request E Send ECHO Reques...

Страница 16: ... then simply typing the new decimal value and hitting Return will update the value Whether you are using Sub Networking on your network or not the Sub Net mask should be such that when applied perform a bitwise AND operation to both the Local IP Address and the Remote IP Address the masked values match If a local gateway is used then the masked Gate way IP Address should match the masked Local IP ...

Страница 17: ...0 0 3 0 0 0 0 0 4 0 0 0 0 0 5 0 0 0 0 0 6 0 0 0 0 0 7 0 0 0 0 0 8 0 0 0 0 0 C Clear All entries Disable feature A Add an entry D Delete an entry E Edit an entry CR Returns to Previous Menu The feature only has effect if the Diplomat jrN has been configured as a Server or Peer The Firewall is activated by defining a non zero IP ad dress When activated the remote host IP address defined in the Net w...

Страница 18: ...001100 B 10101010 In the Network Menu the IP address of the remote jrN to be configured should be substituted for the Server IP address and the Remote Service port should be set to 12345 This is the reserved UDP port number that all Diplomats use for configuration Ensure that the Default Gateway is the one required to obtain a route to the remote jrN Send a few Pings to the remote jrN using the E ...

Страница 19: ... stored but typing CTRL P at any time will return to the Host jrN Main Menu The remote jrN will be left in whatever state it was in Although the remote menu displays look the same as if the configuration was being done locally they are actually performed in parallel with whatever the remote jrN was doing at the time If no configuration values are changed because you only viewed the statistics or g...

Страница 20: ...t does not If the Diplomat jrN determines that the Remote Server Address is on a different Sub Network to itself it will address the ARP to the Default Gateway The Ethernet address contained in the ARP reply will be used subsequently to address packets to the Remote Server This process is repeated every 2 seconds until a valid reply has been received The Diplomat jrN cannot send data until it has ...

Страница 21: ...rt Addresses to those held within the jrN The Source Port address and IP address of the remote host are stored locally for use as a return address The status of the connection can be monitored through Port A see later Should a new attempt to initiate a TCP session be detected from the same IP address then the existing session is considered broken and theDiplomat jrN returns to its initial waiting ...

Страница 22: ...ere are no open TCP sessions or 128 meaning there is an open TCP session Various other values are possible if the Diplomat jrN has been unable to finish initiating or terminating a TCP session The values will be made up of a combination of the following bit values Value Meaning 0 TCP session fully CLOSED 1 Close Initiated by Remote 2 Local Close sent in response to remote 4 Close Initiated from Lo...

Страница 23: ...RN key terminates the data with a CR char acter which is sent with the data to the remote host while the CTRL Z only serves as a terminator and causes all the data up to but not includ ing itself to be sent It could happen that the remote host wants to see each character as it is typed and to decide whether to echo the character itself or not Typically passwords are hidden in this way If this is t...

Страница 24: ... with the Diplomat jrN s use of CTRL P CTRL R and CTRL E then switch BCNTR must be clear This means that the menu can never be accessed once the Diplomat jrN has been configured in this modewithout the use of the special Configuration Cable described earlier The other implication of switch BCNTR being clear is that the only way for the Diplomat jrN to close a TCP session is by making use of the DT...

Страница 25: ...t illuminated no volts i Check mains power by plugging in another device eg desk lamp ii Check volts at end of power lead If 7volts DC power adaptor is dead Return unit and adaptor to supplier see page 4 b Green LED is not illuminated when using UTP cable i Try different port or hub power up unit ii Try different cable power up unit iii Try 10Base 2 port if possible power up unit Return unit and a...

Страница 26: ...known Ethernet Types 0 Count of Bad IP Datagrams 0 Count of Bad TCP Segments 0 Count of Receive Buffer Overruns 0 Count of Failed DMA Transfers 0 Count of Aborted Transmissions 0 Count of Hardware Exceptions 0 Number of Free Buffers 16 Count of Bad Asynch Inputs 0 Asynch DTR Hi CR Returns to Previous Menu Any significant counts in the Hardware Exceptions Aborted Transmis sions or Bad Asynch inputs...

Страница 27: ...g the network to find out if the Remote Host that the Diplomat jrN is trying to work with is actually reachable It is best to have all the low level switches set so that all error messages are displayed and so that BEL characters can be sent to the terminal to give an audible ping If the Remote Host is on another network segment and it is necessary to go via the Default Gateway then the link to th...

Страница 28: ...g an ICMP echo request the Diplomat jrN will produce a beep at the terminal when it receives the request The BOOTP option remains undefined Typing R causes the Diplomat jrN to broadcast a RARP request If a RARP server exists on the network and if it responds with an IP address for the Diplomat jrN then that address will be used as the Diplomat jrN s IP address Network Monitor There is a low level ...

Страница 29: ...ed by switch BEXREP in Configuration Byte A and the display of remote messages by switch BEXREP in Configuration Byte B The following table lists all messages which should explain themselves Informative Messages Coax Cable detected UTP Cable detected Establishing TCP Connection Please Wait Local Error Messages message No Destination IP on local Subnet Trying to Contact IP Address Cannot Initiate i...

Страница 30: ...mat ready to receive 12 O I TTL level is inversion of pin 6 and 8 19 RDY see links L1 and L2 20 DTR see links L1 and L2 The Diplomat jrN Model V is supplied with an RS422 interface In this case the female 25 pin D Type is configured as follows PINNO RS422 SIGNAL 1 Shield Connects to chassis and power supply ground 2 T A Asynchronous Transmitted Data going into the Diplomat 3 C A Control Signal goi...

Страница 31: ...Pin 2 Tx Pin 3 Rx Pin 6 Rx Optional 10 Base 2 Coax Connector 10Base T UTP Connector Green LED Yellow LED Illuminates when the link is enabled UTP only Flashes for every packet transmitted or received Network Interface Port B 10Base T Connection Technical Specification ...

Страница 32: ...mat jr 8 1 Volt DC 500mA Power to adaptor 220 240 Volts AC 50 60 Hz Operating Environment Temperature 0 50º C Humidity 0 90 non condensing External connectors Power 3 2mm jack socket positive tip Network 10Base T UTP or optionally 10Base 2 Coax Serial Port 25 pin female D type RS232 or optionally RS422 External Indicators Red LED indicating 8Volts present Greed LED indicating UTP link enabled Yell...

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