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XYR400E Ethernet Modem

Version 1

5/1/08

An example of the Modbus functionality of the XYR 400E is illustrated below. In this example the
status of the onboard digital input at C will be reflected at the onboard digital output at B. Also, 8
I/O registers from Modbus serial device D will be transferred to A.

The Modbus configuration for unit C is shown below. Unit C is configured with Modbus TCP
Server enabled and Device ID = 1, so that the Modbus TCP Client at B can connect and read the
status of the onboard digital input. Unit C also has Modbus TCP to RTU Gateway enabled (see
section “3.13.3 Modbus TCP to RTU Gateway”) so that the Modbus TCP Client at B can
communicate with the serial Modbus RTU device D.

The configuration of unit B is shown below (accessible via the “I/O Transfer” configuration page).
It can be seen that Modbus TCP Client has been enabled with a 500msec scan rate, meaning that
there will be a 500msec delay between each of the

mappings

directed at any server. The “Reset

Registers on Comms Fail” option is enabled with a timeout of 60 seconds, indicating that any of the
registers at unit B will be reset if a successful Modbus transaction involving that register has not
been executed in the last 60 seconds. The Modbus TCP to RTU Gateway at B must also be enabled
(see section “3.13.3 Modbus TCP to RTU Gateway”) to allow Modbus communications with the
serial device A.

Three “Modbus TCP Client Mappings” are also configured at B in order to perform the required I/O
transfer. The first mapping transfers the status of the onboard digital input at C to the onboard
digital output at B.

Local Register

4320 specifies the register for the onboard digital output at B

(since B is the

local

unit at which the mapping is configured).

I/O Count

1 specifies that only one

I/O point is being transferred (i.e. the single digital I/O).

Function Code

02: Read Discretes specifies

the standard Modbus function code to read discrete (i.e. digital) inputs.

Destination Register

4300

specifies the register for the onboard digital input at unit C (since C is the

destination

unit for this

mapping).

Device ID

1is the ID of the onboard Modbus TCP Server at C.

Server IP Address

Modbus
RTU Slave

Device ID 6

A

C

192.16 8.0.196

Modbus TCP

Client

192 .168.0.200

Modb us TCP

Server

Device ID 1

D

B

Modbus
RTU Slave

Device ID 5

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Содержание XYR 400E

Страница 1: ...XYR 400E Wireless Ethernet User s Manual 34 XY 25 26 Version 1 5 1 08 ...

Страница 2: ...anties except as may be stated in its written agreement with and for its customers In no event is Honeywell liable to anyone for any indirect special or consequential damages The information and specifications in this document are subject to change without notice Honeywell PlantScape Experion PKS and TotalPlant are registered trademarks of Honeywell International Inc Other brand or product names a...

Страница 3: ...cess control solution the end user must weigh the risks and benefits to determine if the products used are the right match for the application based on security safety and performance Additionally it is up to the end user to ensure that the control strategy sheds to a safe operating condition if any crucial segment of the control solution fails Revision Information Document Name Document ID Versio...

Страница 4: ...and 4 00 pm Mountain Standard Time Emergency calls outside normal working hours are received by an answering service and returned within one hour Facsimile 602 313 3293 Mail Honeywell TAC MS P13 2500 West Union Hills Drive Phoenix AZ 85027 World Wide Web Honeywell Solution Support Online http www honeywell com ps Elsewhere Call your nearest Honeywell office Training Classes Honeywell Automation Co...

Страница 5: ... refers the user to the product manual for additional information The symbol appears next to required information in the manual WARNING Risk of electrical shock Potential shock hazard where HAZARDOUS LIVE voltages greater than 30 Vrms 42 4 Vpeak or 60 VDC may be accessible ESD HAZARD Danger of an electro static discharge to which equipment may be sensitive Observe precautions for handling electros...

Страница 6: ... DEFAULT CONFIGURATION 23 3 4 CONFIGURING THE UNIT FOR THE FIRST TIME 23 3 4 1 Set PC to same network as XYR 400E 23 3 4 2 Set XYR 400E to same network as PC 26 3 5 NETWORK CONFIGURATION 28 3 6 ETHERNET DATA 30 3 7 NORMAL OPERATION 31 3 8 RADIO CONFIGURATION 32 3 9 SPANNING TREE ALGORITHM REDUNDANCY 34 3 10 MULTIPLE AP REPEATER MESH NETWORK 35 3 11 ROUTING RULES 42 3 12 WIRELESS MESSAGE FILTERING ...

Страница 7: ...C INFORMATION AVAILABLE 66 4 2 1 Connectivity 66 4 2 2 Monitor Communications 67 4 2 3 Statistics 68 4 2 4 Network Traffic Analysis 68 4 3 TESTING RADIO PATHS 68 4 4 UTILITIES 69 4 4 1 PING 69 4 4 2 IPCONFIG 71 4 4 4 ROUTE 72 CHAPTER FIVE SPECIFICATIONS 74 APPENDIX A FIRMWARE UPGRADE 76 APPENDIX B GLOSSARY 82 ...

Страница 8: ...ppropriate driver applications are required in the host devices to handle the different data format The XYR 400E does provide connection functionality between serial Modbus RTU devices and Ethernet Modbus TCP devices The XYR 400E is available in two models with different RF power XYR 400E 100 100mW of RF power XYR 400E 300 300mW of RF power Note that European regulations do not permit more than 10...

Страница 9: ...ram shows an existing LAN being extended using XYR 400E s In this example the Access Point should be configured at the LAN end although the wireless link will still work if the Client is at the LAN end An Access Point can connect to multiple Clients In this case the Access Point should be the central unit An Access Point could be used as a Repeater unit to connect two XYR 400E Clients which do not...

Страница 10: ...acting as a Router between LAN A and LAN B Alternately the Access Point could be configured as a Router the wireless link is then part of LAN B LAN A Client Bridge Access Point Router 192 168 0 34 169 254 102 54 LAN B 169 254 102 17 169 254 102 53 If more than two routers are required within the same radio network then routing rules may need to be configured refer section 3 11 Routing Rules for fu...

Страница 11: ...iguration settings which may or may not improve the operation of the system For details on these settings refer to section 3 Chapter Two INSTALLATION 2 1 General The XYR 400E module is housed in an rugged aluminium case suitable for DIN rail mounting Terminals will accept wires up to 2 5 sqmm 12 gauge in size All connections to the module must be SELV Normal 110 250V mains supply should not be con...

Страница 12: ...pe To achieve the maximum transmission distance the antennas should be raised above intermediate obstructions so the radio path is true line of sight The modules will operate reliably with some obstruction of the radio path although the reliable distance will be reduced Obstructions which are close to either antenna will have more of a blocking affect than obstructions in the middle of the radio p...

Страница 13: ... in plant and factory installations Line of sight installations In longer line of sight installations the range may be increased by using a high gain antenna on the TX RX connector However the gain should not cause the effective radiated power ERP to exceed the permitted value A second higher gain antenna can be connected to the RX connector without affecting ERP this will increase the operating r...

Страница 14: ...layer of PVC UV Stabilized insulating tape The first layer of tape allows the joint to be easily inspected when trouble shooting as the vulcanizing seal can be easily removed Where antennas are mounted on elevated masts the masts should be effectively earthed to avoid lightning surges For high lightning risk areas surge suppression devices between the module and the antenna are recommended If the ...

Страница 15: ...ransmitting to another Yagi then the elements at each end of the wireless link need to in the same plane horizontal or vertical Directional radomes should be installed with the central beam horizontal and must be pointed exactly in the direction of transmission to benefit from the gain of the antenna Parabolic antennas should be mounted as per the manufacturer s instructions with the parabolic gri...

Страница 16: ...provided on the back of the module This Terminal should be connected to the Main Ground point of the installation in order to provide efficient surge protection for the module refer to the Installation Diagram 2 4 Serial Connections 2 4 1 RS232 Serial Port The serial port is a 9 pin DB9 female and provides for connection to a host device as well as a PC terminal for configuration field testing and...

Страница 17: ...um is shared only one of the units on the RS485 cable may send data at any one time Thus communication protocols based on the RS 485 standard require some type of arbitration RS485 is a balanced differential standard but it is recommended that shielded twisted pair cable be used to interconnect modules to reduce potential RFI It is important to maintain the polarity of the two RS485 wires An RS485...

Страница 18: ...R400E Ethernet Modem 18 5 1 08 HOST XYR 400E HOST RS485 CONNECTIONS 120Ω RS485 SUPPLY RS232 DIP SWITCH FOR 120Ω 120 Ω HOST HOST XYR 400E RS485 CONNECTION USING TERMINATING RESISTOR ETHERNET DIO DEFAULTS DIP SWITCH ...

Страница 19: ... I O circuit includes a LED indicator which is lit when the digital input is active that is when the input circuit is closed Provided the resistance of the switching device is less than 200 ohms the device will be able to activate the digital input The I O channel may also be used as a discrete output The digital outputs are transistor switched DC signals FET output to common rated at 30VDC 500 mA...

Страница 20: ...s Point will act as a master unit and will control the flow of data to the Clients linked to it Clients can only transmit data to the AP to which they are connected When a Client transfers data to another Client it first transmits the data to the AP which then forwards the data to the destined Client Presence of a link does not mean that the connected unit is authorized to communicate over radio I...

Страница 21: ...Output ON or Input is grounded DIO Off Digital Output OFF and Input is open circuit The Ethernet RJ45 port incorporates two indication LEDs The LINK LED comes on when there is a connection on the Ethernet port and will blink off briefly when activity is detected on the Ethernet Port The 100MB LED indicates that the connection is at 100 MBit Sec The 100MB LED will be off for 10MB Sec connection Oth...

Страница 22: ...lowing diagram represents how transmissions in each channel overlaps If there is more than one WiFi AP within the same wireless range then it is important that the AP s are on channels as far apart as possible If there are only two AP s then set them to 1 and 11 If there are three set them to 1 6 11 It is also important that correct channel is selected for region Channels 1 to 11 are approved for ...

Страница 23: ...via the Microsoft website Configuration of IP address gateway address and subnet mask may also be accessed via the RS 232 serial port Accessing Configuration for the first time There are two methods for accessing the configuration inside a XYR 400E The first method requires changing your computer settings so that the configuring PC is on the same network as the XYR 400E with factory default settin...

Страница 24: ...ntrol Panel The following description is for Windows XP earlier Windows operating systems have similar settings Open Properties of Local Area Connection Select Internet Protocol TCP IP and click on Properties On the General tab enter IP address 192 168 0 1 Subnet mask 255 255 255 0 and default gateway 192 168 0 1 ...

Страница 25: ... proxy for local addresses Enter the default IP address for the XYR 400E http 192 168 0 1XX where XX is the last two digits of the serial number A welcome webpage should be displayed as illustrated below Configuration and Diagnostics may be opened by clicking on any of the menu items and entering the username user and default password user Configure the unit to your requirements refer later sectio...

Страница 26: ...E to SETUP position b Connect the RS232 port on the XYR 400E to the RS232 port on the PC using a straight through serial cable c Open a terminal package such as Hyperterminal with 19200bps data rate 8 data bit 1 stop no parity and no flow control Make sure that no other programs have control of the serial port d Power up XYR 400E Basic network settings will be displayed on the terminal as illustra...

Страница 27: ...1 NIC Base Address 0x30000000 Register Read Write Test OK Initialising Successful Getting Serial Number Reading Buffer Serial Number 99SA01000000 Done Recovery Configuration ip address 192 168 0 112 net mask 255 255 255 0 gateway 192 168 0 1 host 192 168 0 1 eip mount point memory fec0 connected at 10M Half Duplex fec0 local ip 192 168 0 112 server ip 192 168 0 1 Press ENTER to abort automatic boo...

Страница 28: ...e connected wired Ethernet device s before connecting to an existing LAN consult the network administrator A system of XYR 400E s must have at least one Access Point acting as a master to one or more Clients All XYR 400E s to be configured as part of the same wireless network should be given the same System Address SSID and Radio Encryption settings For further information and examples on wireless...

Страница 29: ... should be set to the IP address you require Ethernet IP Subnet Mask The IP network mask of the XYR 400E on its Ethernet port This should be set to the IP address you require Wireless IP Address The IP address of the XYR 400E on the wireless port If the unit is configured as a bridge this address will be the same as the Ethernet IP address If configured as a router the IP address must be different...

Страница 30: ...ot be all zeros i e 00 00 00 00 00 Passphrase When WPA Encryption is selected 128bit Encryption keys are internally generated based on the Passphrase and System Address SSID The Passphrase must be between 8 and 63 characters in length and the Passphrase must be the same for all XYR 400E units in the same system Save and Reboot Save settings to non volatile memory and reboot XYR 400E 3 6 Ethernet D...

Страница 31: ...different operating modes that affect bridge operation for a XYR 400E client station 3 Address Mode or 4 Address Mode 3 address mode must be used by XYR 400E clients when they have to communicate with third party non XYR 400E Access Points However 4 address mode which is also used for multiple Access Point Repeaters may be used by XYR 400E clients when they communicate with other XYR 400E Access P...

Страница 32: ...e The factory default data rate settings are suitable for the majority of applications and should only be modified by experienced users The XYR 400E allows for configurable fixed or fallback radio transmission Data Rates When a fixed rate is configured the radio transmission rate is never altered even under extremely poor conditions The fallback rates allow a maximum rate to be configured whilst e...

Страница 33: ...n more than one message or fragment Fallback Probation Counter When one of the fallback data rates is selected the radio data rate may be upgraded to the next highest rate after this many consecutive successful transmissions The default value is 10 Fallback Probation Timer When one of the fallback data rates is selected the radio data rate may be upgraded to the next highest rate after this amount...

Страница 34: ...hese blocked links are placed in a standby condition and may be automatically enabled to repair the network if another link is lost The Spanning Tree Algorithm maintains a single path between all nodes in a network by forming a tree like structure The Bridge Priority determines where the node sits in the tree A Bridge configured with the lowest priority 0 will become the root node in the network a...

Страница 35: ...dged if required WDS bridge interfaces have the advantage that redundant paths are permitted when using the bridge Spanning Tree Protocol see section 3 9 Spanning Tree Protocol thus behaving as a self healing mesh network Bridged networks are also not as configuration intensive as routed networks Since WDS bridge interfaces generally do not require IP address configuration they inherit the IP addr...

Страница 36: ...f using the Bridge Spanning Tree protocol here by configuring fixed WDS links to ensure that each Access Point will only connect to the next Access Point in the chain Any number of additional intermediate repeaters could be added to the chain in a similar way The WDS configuration for unit B is shown above this page is accessible via the Repeaters link from the configuration web pages WDS mode has...

Страница 37: ...ng tree protocol only one of B or C will relay the data with the other taking over in the event of a failure The configuration for unit A is shown below this page is accessible via the Repeaters link from the configuration web pages It can be seen that WDS mode and Bridge Spanning Tree Protocol are enabled and Auto Connect to WDS enabled AP s is selected Note that auto connect mode requires that n...

Страница 38: ...verhead of using the bridge Spanning Tree Protocol so is suited to fixed installations that do not require redundancy As mentioned previously configuration of the WDS router example is more complex than the bridged example given earlier In this case all Access Points have different SSID s and none of them have SSID broadcast disabled so that WDS configurations can be made without knowledge of Acce...

Страница 39: ...ish to eliminate the overhead associated with a bridged interface A consequence of using a different network address for the WDS link between unit A and B is that we now need to configure a routing rule at units A and B so that the XYR 400E can determine where to send traffic destined for the respective network addresses of A and B For example if unit B receives traffic destined for network 192 16...

Страница 40: ...o unit B So this routing rule effectively tells the XYR 400E that any traffic destined for the network 192 168 0 x should be forwarded to unit A via the WDS link Units A and C would also require similar pairs of routing rules to direct traffic to the network addresses at the end points of their respective WDS links For unit D it would suffice to simply configure unit B as its default gateway as un...

Страница 41: ... the MAC address of an Access Point to establish a WDS link with Leave this field blank if you wish to connect to any Access Point with the nominated SSID Encryption Select the required Encryption if any for this WDS link If WEP Encryption is required WEP must also be enabled for the default wireless interface and the same WEP key will be inherited Passphrase When WPA Encryption is selected enter ...

Страница 42: ...0 34 192 168 0 34 192 168 0 72 192 168 0 72 Client Router LAN B 169 254 109 40 192 168 0 74 The above network diagram illustrates a situation where routing rules may need to be configured In this example the XYR 400E clients need only specify the Access Point as their default gateway i e they require no routing rules be configured However for the Access Point to be able to deliver traffic to LAN B...

Страница 43: ...ble parameters of a routing rule Name A name to describe the routing rule Max 32 characters Destination The destination network or host IP address to specify a network address set the host address to 0 i e for a class C IP address 192 168 0 0 would specify a destination network while 192 168 0 16 specifies a destination host Gateway The IP address of the next hop router for the specified destinati...

Страница 44: ...Version 1 XYR400E Ethernet Modem 44 5 1 08 ...

Страница 45: ...ter operates on two rules listed below 1 A Blacklist has priority over a whitelist Traffic matching detail in a blacklist will be discarded if it also appears in a whitelist 2 When one or both lists are whitelists traffic must have matching detail in at least one of the whitelists for it to be passed Note that as this must agree with rule 1 above the traffic detail must not match anything in a bla...

Страница 46: ... and cycle power The XYR 400E will retain its configuration however will load up at IP address 192 168 0 1XX netmask 255 255 255 0 with the radio and filter disabled The XX in the IP address is the last two digits of the serial number Configuration webpages will still show the original configuration No changes are made to configuration until the user saves changes To resume normal operation set th...

Страница 47: ... an ARP and an ICMP filter for the same IP Address range The ARP filter is required whenever the sending device does not have a fixed IP to MAC Address translation table entry i e whenever the device may need to send an ARP request to determine the MAC address of a device with a known IP Address An ICMP filter is needed to allow disallow pings 3 13 Serial Port Configuration The XYR 400E has an RS ...

Страница 48: ...result of this is similar to bridging for a single device with some exceptions One of these exceptions is the inability to handle name server searches of the network via this serial link For example you would encounter difficulty if you were to use Windows Explorer over the serial link to find a PC on the wired network For this to operate correctly you must explicitly map computer names to IP addr...

Страница 49: ...49 XYR400E Ethernet Modem Version 1 5 1 08 2 On the New Connection Wizard click Next 3 Set up an advanced connection 4 Connect directly to another computer ...

Страница 50: ...n 1 XYR400E Ethernet Modem 50 5 1 08 5 Set PC as guest 6 Set Computer Name 7 Select a COM port 8 Select availability 9 Click Finish 10 Select properties of this new connection by right clicking on connection ...

Страница 51: ...utton 14 On Properties form click Advanced button 15 On Advanced TCP IP Settings form General Tab uncheck field in PPP link stating Use IP header compression 16 Configuration is now complete Click on this newly created link to establish a connection to XYR 400E 17 Ensure both the username and the password are entered exactly as configured in XYR 400E When booted in SETUP mode the PPP server has us...

Страница 52: ... be seen it is possible for serial data from a XYR 400E to be transferred to one or more XYR 400E serial ports or to be encapsulated within a TCP IP socket for availability on an Ethernet network Conversely data encapsulated in a TCP IP socket can be reproduced at a XYR 400E serial port Both XYR 400E serial ports and the hard wired Ethernet port can be in use at the same time RS232 Server LAN PC R...

Страница 53: ...acket is sent via network Server When configured as Server the module will wait for a connection to be initiated by a remote client Listen Port Server Only Enter the TCP port number on which the server must listen for incoming connections The standard TELNET port is 23 Client When configured as Client the module will automatically attempt to connect to the specified remote server Remote Device Por...

Страница 54: ...odbus TCP to RTU Gateway may be configured to operate on either the RS 232 or RS 485 port It does not support operation on both ports at the same time Enable RS 232 Modbus TCP to RTU Gateway Check this box to enable the Modbus TCP to RTU Gateway on the RS 232 port Only a single serial port is allowed at a time Enable RS 485 Modbus TCP to RTU Gateway Check this box to enable the Modbus TCP to RTU G...

Страница 55: ...tal Input Output and are shared for both Client and Server Modbus TCP Client Master and Modbus TCP Server Slave are both supported simultaneously and when combined with the built in Modbus TCP to RTU Gateway the XYR 400E can transfer I O to from almost any combination of Modbus TCP or RTU devices The layout of the XYR 400E I O Registers is summarized in the table below Each register is internally ...

Страница 56: ...oard general purpose I O registers The Modbus TCP Server is shared with the Modbus TCP to RTU Gateway so that the Modbus Device ID is used to determine if a Modbus transaction is to be routed to the onboard Modbus TCP Server or to a Modbus RTU device connected to the serial port Care should therefore be taken that all serially connected Modbus devices use a different Modbus Device ID i e Modbus Sl...

Страница 57: ...0 seconds indicating that any of the registers at unit B will be reset if a successful Modbus transaction involving that register has not been executed in the last 60 seconds The Modbus TCP to RTU Gateway at B must also be enabled see section 3 13 3 Modbus TCP to RTU Gateway to allow Modbus communications with the serial device A Three Modbus TCP Client Mappings are also configured at B in order t...

Страница 58: ...to Modbus RTU and routes it out the serial port to unit D The third mapping takes the 8 registers read by the second mapping and writes them to the serial unit A The specified Device ID 5 is the Modbus Address of the serial device A and the Server IP Address 192 168 0 196 is the IP Address of the local unit B since the local Modbus TCP to RTU Gateway is to route the message out the serial port to ...

Страница 59: ...ut Comms Fail Timeout The period of time after which onboard I O registers will be reset if a valid Modbus transaction directed at that register has not completed Modbus TCP Client Mappings Local Register Enter the starting onboard I O register number that the specified Modbus Master transaction will transfer I O to from I O Count Specify the number of consecutive I O register to be transferred fo...

Страница 60: ...on Because a module configuration is viewed and changed in a web format which is an Ethernet application you can view or change the configuration of a remote module via the wireless link provided the remote module is already linked to the local XYR 400E To perform remote configuration connect a PC to the local module run Internet Explorer and enter the IP address of the remote unit the configurati...

Страница 61: ...n the same network Set dipswitch to SETUP mode Power up unit and wait for LINK led to cease flashing Adjust PC network settings Set Configuration PC network card with network setting of IP address 192 168 0 1 netmask 255 255 255 0 Open configuration webpage with Internet Explorer at address http 192 168 0 1XX where XX is the last two digits of the serial number When prompted for password enter def...

Страница 62: ...dipswitch to SETUP c Connect straight through serial cable to XYR 400E and power up unit d When prompted strike the Enter key to abort automatic boot e Set IP address of XYR 400E to 192 168 0 200 with command bip 192 168 0 200 f Set netmask of XYR 400E to 192 168 0 200 with command bnm 255 255 255 0 g Set gateway address of XYR 400E to 192 168 0 1 with command bgw 192 168 0 1 h Set dipswitch to RU...

Страница 63: ... 168 0 200 Network B Configuration All devices on Network B should be configured so their gateway IP address is that of the XYR 400E Access Point as 169 254 102 54 Access Point Configuration Connect straight through Ethernet cable between PC and XYR 400E Ensure configuration PC and XYR 400E are setup to communicate on the same network Set dipswitch to SETUP Power up unit and wait for LINK led to c...

Страница 64: ...69 254 102 54 Set the Ethernet IP address to 169 254 102 53 network mask 255 255 255 0 Set the Wireless IP address to 169 254 102 53 network mask 255 255 255 0 Click on button Save to Flash and Reset Webpage will display that message indicating details are being written to flash Wait for XYR 400E to reboot before removing power Extending range of a network with a Repeater hop LAN 192 168 0 0 255 2...

Страница 65: ...ont panel indicates correct operation of the unit This LED turns red on failure as described above When the OK LED turns red shutdown state is indicated On processor failure or on failure during startup diagnostics the unit shuts down and remains in shutdown until the fault is rectified Boot Loader LED Indication during Startup Serial LAN LINK ACTIVE Comment Orange Orange Orange RED Initial Power ...

Страница 66: ...XYR 400E will fail to be authorized if the encryption keys are incorrect The received signal strength background noise and radio data rate is listed for each Client or Access Point by their MAC Address The readings shown are based upon the last received data message from the Access Point or Client Generating radio traffic to the device will update values for signal strength background noise and ra...

Страница 67: ...ery frequently they have been filtered out from the Monitor Communications display for convenience Monitor communications lists the frame type of each transmission and various statistics of each transmission along with a timestamp Communications can only be monitored on one channel at a time the channel that is used for monitoring can be altered on the radio settings page Use of this feature toget...

Страница 68: ...affic on the wired Ethernet a better idea of regular traffic can be discovered Network Analysis programs make configuration of a filter for the XYR 400E a simple task 4 3 Testing Radio Paths The general procedure for radio range testing a link is fairly simple Configure two units to form a link using automatic radio rates Install the Access Point at a fixed location Take a laptop computer and the ...

Страница 69: ... a user can t ping a host then the user will be unable to send files to that host Ping operates by sending a packet to a designated address and waiting for a response The basic operation of Ping can be performed by following these steps in any Windows operating system Click on the Start Menu and select Run Type in cmd and enter you should then see the command screen come up There will be a certain...

Страница 70: ...cel use Ctrl C A good test for the network once it is first set up is to use PING repeatedly from one PC s IP address to the other PC s IP address This gives a good example of the networks reliability and how responsive it is from point to point When you enter Ctrl C the program reports a packet sent received lost percentage ...

Страница 71: ...to Other ipconfig commands will return back more information The hardware or MAC address of the computer may be discovered using the command ipconfig all Ipconfig will list all of the commands and their usages available for use 4 4 3 ARP Displays and modifies the IP to Physical address translation tables used by Address Resolution Protocol ARP Once a remote computer has been pinged this can be use...

Страница 72: ...cess between Network A and Network B This is entered in the command prompt as per all other instruction above Route PRINT will show all active routes on PC Network A Access Point Router Client Bridge Network B Route ADD will add a routing table to network route DELETE destination netmask gateway interface will delete the unwanted routing table route CHANGE modifies an existing route An example of ...

Страница 73: ... network B 192 168 2 0 with the Mask of 255 255 255 0 on Network A via the Ethernet IP Interface 192 168 0 191 IP Address 192 168 2 0 will allow everything on this network to be shared by the router When adding a routing table you will need to enter this in Once entered in the Router will determine whether to pass information over the router if it is addressed to do so or not For added security MA...

Страница 74: ...ing Power Supply Nominal supply 9 to 30VDC Overvoltage and reverse voltage protected Average current drain 240 mA 12V 150mA 24VDC Current drain when transmitting 440 mA 12V 280mA 24VDC Ethernet Port 10 100 BaseT RJ45 Standard IEEE 802 3 compliant Bridge router Access point client functionality Radio Transceiver Transmit power Different models available 100mW 20dBm or 300mW 25dBm Channels 11 x 5MHz...

Страница 75: ...rable 1200 2400 4800 9600 14400 19200 38400 57600 76800 115200 7 or 8 data bits Stop start parity bits configurable System Parameters System address 1 to 31 character text string Wireless data encryption None WEP 64bit and 128bit WPA PSK TKIP User Configuration Via embedded web page Via RS232 commands or RS 232 PPP connection Diagnostics LED s OK DCD Radio and Serial RX TX RSSI measurement in dBm ...

Страница 76: ...uire must be upgraded using the FlashUpdate utility and can only be performed local to the module The FlashUpdate utility should also be used if firmware versions of modules to be upgraded are unknown The section Manual Upgrade using Flash Update outlines the upgrade procedure Web based Upgrade If the module has application firmware version v1 21 or later currently installed please follow these st...

Страница 77: ... a successful firmware upgrade so that the new firmware is run b Alternatively Click Save to Flash button to just program the new firmware to the unit A reset is necessary to run the new firmware This is useful for maintaining radio link whilst performing upgrades to remote units 6 The following dialog box may be displayed as a warning Click OK to proceed ...

Страница 78: ...etting Firmware upgrade is now complete Manual Upgrade using Flash Update 1 Connect the module s ethernet port to PC ethernet port via a straight through ethernet cable Straight through ethernet cable is typically a blue colour Alternatively connect the module to PC via a network switch or hub as some configurations of Windows can encounter difficulty upgrading without a hub connected On some PCs ...

Страница 79: ... so that FlashUpdate program may operate If any other firewall software is operating disable it 7 Copy new firmware files to a known location on the hard drive of your PC Do not unzip these files 8 Specify location of firmware bootloader file epm_mrb_Honeywell_E24G_x x bin gz and firmware application file epm_E24G_x x bin gz using the Browse buttons in the FlashUpdate program 9 Connect PC to modul...

Страница 80: ... connected to which can be found from step 4 above 12 Click on Upgrade button in FlashUpdate program 13 Follow instructions from confirmation window 14 Click OK Power down module wait approximately 1 second and power up module This entire step must be accomplished within 30 seconds of completing the previous step ...

Страница 81: ...00E Ethernet Modem Version 1 5 1 08 15 Programming will commence 16 If programming was successful a dialog box is displayed showing this 17 Switch dipswitch to RUN position and cycle power for normal operation ...

Страница 82: ...f an eight wire cable was being used for instance the signal would start on pin one at one end of the cable and end up on pin eight at the other end They cross over from one side to the other CSMA CA CSMA CA is a listen before talk method of minimizing but not eliminating collisions caused by simultaneous transmission by multiple radios IEEE 802 11 states collision avoidance method rather than col...

Страница 83: ...reless data On the receiving side the same encryption key enables the computer to automatically decrypt the information so it can be read Firewall Keeps unauthorized users out of a private network Everything entering or leaving a system s internal network passes through the firewall and must meet the system s security standards in order to be transmitted Often used to keep unauthorized people from...

Страница 84: ...ntifies each sender or receiver of information that is sent across the Internet An IP address has two parts an identifier of a particular network on the Internet and an identifier of the particular device which can be a server or a workstation within that network IPX SPX IPX short for Internetwork Packet Exchange a networking protocol used by the Novell NetWare operating systems Like UDP IP IPX is...

Страница 85: ...signed to most forms of networking hardware The address is permanently assigned to the hardware so limiting a wireless network s access to hardware such as wireless cards is a security feature employed by closed wireless networks But an experienced hacker armed with the proper tools can still figure out an authorized MAC address masquerade as a legitimate address and access a closed network Every ...

Страница 86: ...ed secret key back to the server in order to have a secret key exchange for that session Subnetwork or Subnet Found in larger networks these smaller networks are used to simplify addressing between numerous computers Subnets connect to the central network through a router hub or gateway Each individual wireless LAN will probably use the same subnet for all the local computers it talks to Switch A ...

Страница 87: ...nformation transferred over the Internet VPN can work with either wired or wireless networks as well as with dial up connections over POTS VPN creates a private encrypted tunnel from the end user s computer through the local wireless network through the Internet all the way to the corporate servers and database WAN A communication system of connecting PCs and other computing devices across a large...

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