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SEM910

SEM Command Set

The SEM supports a series of commands that allow for configuring the Ethernet interface as well
as the radio parameters of the on-board WIT910. These commands can be entered during a telnet
session or by using the WinSEM24 utility when the

SEM>

prompt is displayed. The commands

are grouped into System, Bridge, Security, Ethernet and Radio command sets. The commands
are summarized here with detailed explanations following.

System Commands

Command Description

help

Displays command help screen

arp –a

-d <ipaddr>

-s <ipaddr> <eaddr>

Displays arp table

Deletes arp entry

Adds arp entry

default

Sets SEM configuration to factory default settings

echo

Toggles user screen echo mode

ip [

<netmask>]

Displays current SEM IP address

Sets SEM IP address and optionally the netmask

ping <ipaddr>

Pings TCP/IP host

reset

Resets the SEM activating changed configuration
parameters

route [ help

add <default> <gwaddr>

del

list

]

Displays help screen for command

Adds IP address and netmask to route list

Deletes IP address from route list

Lists route IP addresses

save

Stores current configuration to memory

sys help

mode

outmax

(Master only)

Displays sys help screen

Displays Master/Slave mode of the SEM

Sets maximum number of bytes Master SEM can
transmit per hop. Range is from 1 to 188

Default

188

version

Diplays SEM firmware version

help

Displays a list of all the SEM commands. Most commands that require a parameter
also have a help mode that displays the help screen for that command.

2000- 2004 Cirronet

™

Inc

M-910-0003 Rev -

Содержание SEM910

Страница 1: ...SEM910 X D DX Wireless Ethernet Bridge User s Guide ...

Страница 2: ...ple co located intentional radiators transmitting the same information Any other mode of operation using this antenna is forbidden Notice to WIT910 users installers using the following fixed antennas Cushcraft 8 5 dBi Yagi The field strength radiated by this antenna when connected to a transmitting WIT910 may exceed FCC mandated RF exposure limits FCC rules require professional installation of the...

Страница 3: ...10 Setting IP Addresses 10 IP Hunter Utility 10 HTML Setup 13 Console Port 16 Filtering 17 DHCP 17 SEM Operation 18 Overview 18 Security Modes 18 Point to Point Mode 18 Point to Multipoint Mode 19 Co located Networks 20 SEM Command Set 21 System Commands 21 Bridge Commands 23 SEM Security Commands 24 Radio Commands 25 Specifications 28 Connectors 28 Indicators 28 Power 28 Troubleshooting 29 Techni...

Страница 4: ...re designed for factory and industrial applications The X models features a remote radio housed in a NEMA 4X IP66 rated enclosure that can be mounted outdoors up to 300 feet from the network connection Communication between SEM products is performed using the WIT910 over the air protocol SEM products are 802 3 compatible but not 802 11 compatible provide 70Kbps full duplex data throughput and are ...

Страница 5: ...EM as the Master The default settings in the SEMs are sufficient to allow connection to Ethernet networks and to have the slave SEM connect with the master Other steps you may want to take include Enter a default route IP address if data is to be sent off the SEM s subnetwork See Ethernet Commands Enable one or more of the security features of the SEM See Security Commands Adjust the RF bandwidth ...

Страница 6: ...Figures 1 2 3 show the various connectors and LEDs on the SEM910 and SEM910D Figure 1 SEM910 Front Panel Diagram Figure 2 SEM910 Back Panel Diagram Figure 3 SEM910D Front Panel Diagram 2000 2004 Cirronet Inc 3 M 910 0003 Rev ...

Страница 7: ... port that may be used to configure the SEM Connection to this port is made with the 9 pin to RJ 11 serial cable included with the SEM This is useful when the default IP address of the SEM cannot be used with the existing network preventing configuration through a telnet session See the section Configuring the SEM for details of using this port The power connector is a 2 pin terminal block connect...

Страница 8: ... radio assembly is made through the 15 terminal connector on the front of the radios Digital signals rather than RF signals are sent over the connecting cable which may be up to 300 feet in length These cables may be ordered from Cirronet in lengths of 100 feet to 300 feet in 100 foot increments Figure 4 SEM910X Front Panel Diagram Figure 5 SEM910X Back Panel Diagram 2000 2004 Cirronet Inc 5 M 910...

Страница 9: ...SEM910 Figure 6 SEM910DX Front Panel Diagram Figure 7 Remote Radio Assembly 2000 2004 Cirronet Inc 6 M 910 0003 Rev ...

Страница 10: ...e appropriate conductor color and connector hole location and inserting the pin into the hole until it locks into place Verify the pin is locked into place by gently pulling on the conductor If a pin is installed in the wrong connector location use the extractor tool provided to remove the pin Insert the extractor tool into the connector hole such that the tool surrounds the pin Gently push the ex...

Страница 11: ...n bottom connector shell Completed connector with top connector shell attached Attaching Remote Radio Connector SEM910DX The figure below shows the pin numbering of the Phoenix Contact 16 pin 3 81mm Remote Radio connector P N1803714 The view provided is facing the side of the connector with the screw heads showing The cable comes with pins pre crimped onto the conductors and is assembled by insert...

Страница 12: ...ge Black 10 Orange 3 Black 11 Violet 4 Blue 12 Yellow 5 Tan 13 White Black 6 Pink 14 Grey 7 White 15 White Red 8 Red Care must be taken to follow the color code correctly An incorrectly assembled connector can damage the radio or the card or both The picture below shows the completed cable assembly Important Note If an alternate source of power is used with the SEM910DX the minimum voltage is 12VD...

Страница 13: ...address through the Master SEM from the DHCP server on the Master SEM s local network If the slave SEM cannot establish a link with the master SEM the slave SEM will need to have its IP address entered manually unless it will be configured through the console port If it is desired to configure the slave SEM through a browser session instead of the console port but use a DHCP server to provide the ...

Страница 14: ...arch for Cirronet devices Only Cirronet Ethernet devices will be displayed as shown below Ethernet devices from other manufacturers will not be displayed even if they have no IP address Any devices found will be displayed on the screen along with the IP address if any the netmask the MAC address and the DHCP host name 2000 2004 Cirronet Inc 11 M 910 0003 Rev ...

Страница 15: ...IP address and the default netmask will automatically be entered as shown below A new Host Name may be entered if desired however the MAC Address cannot be changed Click OK and the IP address will be entered in the SEM910 and will be displayed in the IP Hunter window as shown below 2000 2004 Cirronet Inc 12 M 910 0003 Rev ...

Страница 16: ...min and the default Password Cirronet case sensitive The password will be displayed as dots only for security purposes Click on OK and the main browser window is displayed System Status This dialog shows the Mode Master or Slave and Link Up Down status of each device Clicking on Refresh should be used when System Settings have been adjusted to display current status 2000 2004 Cirronet Inc 13 M 910...

Страница 17: ...t in the Default Route field Click on Apply to invoke changes click on Cancel to discard System Ethernet Stats This dialog displays statistics related to the transmission and reception of wired Ethernet data Radio Settings This dialog identifies the radio and current operating mode It also allows the user to configure radio parameters for the Network SPID Master Bandwidth Max Slaves Power Sync and...

Страница 18: ...nformation Access Control Settings This dialog allows the setting of login preference admin default enable or guest Setting admin allows the user rights to change parameters setting guest limits the access to RF Tools only After changing the Console setting click Apply to invoke the changes Click on Cancel to discard any changes Clicking on Enable IP address control and then Apply brings up the di...

Страница 19: ... y is the optional netmask number Once a valid IP address has been entered in the SEM a telnet session can be established Most telnet programs work with the SEM Windows 95 98 NT 2000 ME have a telnet program that works with the SEM A telnet session can be started by clicking on Start Run if you have Windows 95 98 NT 2000 and the TCP IP client has been installed For a SEM with an IP address of 192 ...

Страница 20: ...SEM transmit the multicast and broadcast packets in this instance filtering should be disabled Note that filtering broadcast packets also filters multicast packets but filtering multicast packets does not filter broadcast packets To filter broadcast and multicast packets use the bridge filter command bridge filter bcast CR Refer to the section Bridge Commands for details of the filter commands DHC...

Страница 21: ...ility to initiate telnet sessions with the SEM The access ip add command is used to add specific IP addresses from which telnet sessions will be allowed Up to 10 IP addresses can be entered This featured is defaulted OFF and is enabled through the access ip enable command The same password required for a telnet session may also be required for a serial connection to the console port The default fo...

Страница 22: ...is transparent to the application A maximum of 15 slave SEMs can be connected to a master SEM The amount of data a slave can transmit depends on the number of slaves connected and the hop duration of the radio network Because packets from one slave that are intended for another slave must pass through the master SEM the master SEM should always be allocated 50 of the data throughput even at the ex...

Страница 23: ... at the same time only rarely These infrequent collisions are sufficient to reduce the throughput in any meaningful way If the master SEMs are to be located close together the SEMs allow the masters to be synchronized as to when they send to slaves and when they receive from slaves This synchronization is allowed by the FCC in the United States The FCC does not allow synchronizing of the hop seque...

Страница 24: ...ser screen echo mode ip ipaddr netmask Displays current SEM IP address Sets SEM IP address and optionally the netmask ping ipaddr Pings TCP IP host reset Resets the SEM activating changed configuration parameters route help add default gwaddr netmask del ipaddr list Displays help screen for command Adds IP address and netmask to route list Deletes IP address from route list Lists route IP addresse...

Страница 25: ...d before a response was received Continuously sends requests until a key is pressed reset Resets the SEM and loads saved parameters into active memory Also causes the SEM to reinitialize which can take 30 seconds If reset is issued before the save command the new parameters are lost and the last saved parameters are used route Displays and manipulates gateway IP addresses to route IP traffic off t...

Страница 26: ...s Ethernet traffic filtering mode filter disable turns filtering off filter bcast filters out broadcast and multicast packet while filter mcast filters out just multicast packets filter show displays the filter settings login Turns the authentication login requirement off and on When on Enabled an accesscode and password must be entered in the slave SEM that matches the accesscode and password of ...

Страница 27: ...It is always enabled console enable sets the requirement that a password be entered when starting a console connection The password is set using the password command The default setting is disabled console disable removes the password requirement ip enable sets limitations set on initiating a telnet session to the SEM When enabled only network devices with IP addresses on the list of IP addresses ...

Страница 28: ...EM with the radio serial identification number entered The radio serial identification number must be entered with the s and can be found using list sync These commands set the operation of the synchronization signal used in co located SEM networks The default mode is the sync OFF Sync is enabled by selecting a synchronization master Synchronization will occur over the RS 485 SYNC lines One co loc...

Страница 29: ...rent SEM network number Sets the network number for the SEM Default 0 power 500 100 10 Displays radio output setting 500 27dBm Default 100 18dBm 20dBm ERP with 2db gain antenna 10 10dBm Sets radio output power show Displays radio parameters that have been modified from factory settings radio spid 0 254 Displays service provider ID Sets service provider ID Default 0 help Displays list of sub comman...

Страница 30: ...8dBm 20dBm 100 milliWatts w 2dB gain antenna and 10 which corresponds to 10dBm or 10 milliWatts show This command displays a list of the current radio parameters including the network number maxremotes and the sys outmax value spid The SEM has 36 different network numbers hopping patterns allowing multiple networks of SEMs to be co located while keep the networks segregated In some situations part...

Страница 31: ...io unit ABS ABS network interface unit UV stabilized polycarbonate remote radio unit Dimensions 201x144 x53mm 201x144x53 mm network interface unit 130x79x35 remote radio unit 140x118 x48mm 140x118x48 mm network interface unit 130x79x35 remote radio unit Operating Temperature 30 C to 70 C 30 C to 70 C remote radio unit 40 C to 70 C 30 C to 70 C 30 C to 70 C remote radio unit 40 C to 70 C Humidity 0...

Страница 32: ...s being used to initiate the telnet session The SEM does not respond through the Console Port Check that a straight through serial cable is being used if connected to a PC If you are not using WinSEM24 verify that the host serial port is set for 38 4Kbps 8 data bits 1 stop bit and no parity If you are using a terminal program make sure that it is set up to transmit carriage returns when entered fr...

Страница 33: ...ower failure No suit or action shall be brought against Seller more than twelve 12 months after the related cause of action has occurred Buyer has not relied and shall not rely on any oral representation regarding the goods sold hereunder and any oral representation shall not bind Seller and shall not be a part of any warranty THE PROVISIONS OF THE FOREGOING WARRANTY ARE IN LIEU OF ANY OTHER WARRA...

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