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J-MAC Technology

Information Sheet

Published by JMP Systems Co., Ltd

Certified as an

‘

Excellent Information Technology

’

‘

Korean Ministry of Information and Communication

’

M b p s R e a l S p e e d

W i r e l e s s B r i d g e

(

Mac Protocol Technology for Wireless LAN Bridge)

Содержание FWB2411

Страница 1: ...ess Wireless LAN Bridge FWB 2411 Wireless LAN Bridge FWB 2411 Guide Book www jmpsystem com 3 4 F Shinhwa Bldg 1451 19 Seocho Dong Seocho Ku 137 073 Seoul Korea Tel 82 2 3473 8128 38 Fax 82 2 3473 8129 E mail info jmpsystem com ...

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Страница 3: ... an Certified as an Excellent Information Technology Excellent Information Technology by by Korean Ministry of Information and Communication Korean Ministry of Information and Communication 8 8 Mbps Real Speed Mbps Real Speed Wireless Bridge Wireless Bridge Mac Protocol Technology for Wireless LAN Bridge Mac Protocol Technology for Wireless LAN Bridge ...

Страница 4: ...11Mbps When 1 unit Access point transmit data at the fastest speed by use of FTP to 1 WLAN Card IP packet s transmission speed is about 4 8Mpbs 600Kbyte sec which does not reach half of 11Mbps This real speed can be easily ascertained by FTP transmission test which is displayed on PC monitor J MAC applied WLAN bridge is not for indoor communication but for WAN communication building to building cl...

Страница 5: ...cholar and high technicians who work for the best technical companies So IEEE 802 11 has technical profundity and without full understanding and practical experience about IEEE 802 x worldwide standard of WLAN technology network technology Ethernet bridge and internet protocol it is very hard to approach to IEEE 802 11 The number of companies who develop IEEE 802 11b WLAN s MAC protocol is a few i...

Страница 6: ...Y s transmission performance The epochal protocol improving this matter that is J MAC technology 2 Perfect security 168bit encryption Another hardware security module Basically J MAC protocol is non compliant with 802 11b so it is impossible to hack with other WLAN products In case of P2MP communication is perfectly separated on Layer 2 so hacker can t send or receive packets without passing throu...

Страница 7: ...n is too restrictive So the substitute for wired networks these problems is WLAN bridge which is the most highlighted among existing solutions J MAC bridge gives solution to open internet service instantly without network lead in construction Application 1 Small and Medium ISPs Small and Medium ISPs serve internet service in limited small area so they don t have themselves subscriber network pay r...

Страница 8: ...ding s network to new building with JMP wireless bridge it is possible to open intranet of the company instantly without leased line Application 5 Hotspot service Hotspot service is popularized areas of cafes parks airports school campus and etc Hotspot service utilize WLAN technology With wired network lead in construction to Hotspot areas cost and construction difficulties become issues To settl...

Страница 10: ...f developed MAC protocol which is core technology of communication overcomes 802 11b s weakness outdoors For the detail information Refer to J MAC technology Information 2 CD s contents manual fwb_mon tftp_srv acrobat term mov Serves various kinds of documents as PDF type Serves FWB2411 Monitor Program TFTP Server program for Windows95 98 2000 Servers Acrobat Reader to read PDF files Servers termi...

Страница 11: ...ireless Bridge JMPSystems 23Cm 5Cm 16Cm Dimension Weight 1250g 1 FWB2411 only 38 5Cm 7 0Cm 20 7Cm Dimension Weight 1900g 2 In Box Including Power Adapter 1 Console Cable 1 CD 1 Manual 1 The Best Wireless Solution http www jmpsystem com ...

Страница 12: ...ates Wire Data Receive situation TD LED Indicates Wire Data Transmission situation RX LED Indicates Wireless Data Receive situation TX LED Indicates Wireless Data Transmission situation ANT Port to connect Antenna Ethernet Port to connect Ethernet RJ 45 RS 232C Port to connect Console 9 pin Male Serial cable Power Port to connect DC 5V adapter Reset Switch Bottom side of FWB2411 2 Back Side ...

Страница 13: ...ration Most suitable RF RX TX design 3 P2MP Point to Multi Point More than 1 16 multi points communication Sharing type No hidden station problem Separates each communication area Network Segment Network Group Separation unity selection function 4 Stability H W S W watchdog Auto Reset Algorithm Superior RF technology 5 Management Support Telnet ICMP SNMP http Web management Support NMS SNMP Agent ...

Страница 14: ...S 168bit encryption 6 FWB2411 Block Diagram 10Base T 100Base TX RJ 45 JACK 10 10Base Base T T 100Base 100Base TX TX RJ RJ 45 45 JACK JACK RS 232C Console Port RS RS 232C 232C Console Console Port Port RF Connector RF RF Connector Connector ARM Network Processor ARM Network ARM Network Processor Processor SDRAM Block SDRAM Block SDRAM Block Flash Memory Flash Memory Flash Memory 10Base T 100Base TX...

Страница 15: ... S W Miniview for Windows Etc S W and H W watchdog Timer Auto Reset Temperature Sensing Network Alarming Stability Telnet SNMP including Trap RS232C Http Web Management Bridging Routing table function IP Network Refer to 5 Distinctions Security CSMA CA and Token type by J MAC technology MAC Software and Functions 11Mbps PHY speed P2P 8Mbps P2MP 6Mbps Data Rate Real data speed DSSS Spread Spectrum ...

Страница 16: ... heat No Raindrops No High Humidity No Vibration 2 Transportation No Impact No Drop down After off power off cables carry FWB2411 3 Power Supply stable power Instant power off may cause cut off communication 4 Connector Antenna Connector Fix firmly 5 Out of Order No Disassembly Request A S from seller ...

Страница 17: ...rovider FixedWirelessBridge PC E1 Switch Router etc 1 P2P Point to Point 2 P2MP Point to Multi Point N slaves to 1 Master PC Broadband Wireless System Provider Fixed Wireless Bridge Broadband Wireless System Provider Fixed Wireless Bridge Broadband Wireless System Provider Fixed Wireless Bridge Broadband Wireless System Provider Fixed Wireless Bridge ...

Страница 18: ...o install in building Antenna is the component having an much effect on performance So it is very important to install rightly and firmly 1 Area to install When antenna is installed in view performance is better Select an area to fix antenna firmly 2 Height to install The higher antenna is installed the better performance and quality outcomes 3 LOS Line of Sight It may be impossible to communicate...

Страница 19: ... Console cable Refer to Appendix 2 RS 232C Pin Connect RS 232C cable to PC or server Refer to Appendix 2 Connector Pin 4 Connect Power Adapter Connect DC 5V power adapter that provided by JMP System By different adapter it may cause troubles 3 Step4 LED and Console connection setting 1 LED Power ON à Power LED Red ON Ethernet cable is connected à LINK LED Yellow ON RX LED Green is ON on the initia...

Страница 20: ...nnect Console and supply power Next Screen is activated In case of P2MP bridge FWB P2MP message is activated Default ID is root and password is fwb2411 A prompt is activated Write sysconf set and setting screen is activated IP subnet IP Gateway IP Channel etc For detail information refer to CD ...

Страница 21: ...ern MAC of other party rfdst RF DST MAC 0 ff ff ff ff ff ff 1 ff ff ff ff ff ff 2 ff ff ff ff ff ff 3 ff ff ff ff ff ff 4 ff ff ff ff ff ff Continue Y n n Default value is ff ff ff ff ff ff To change 0 value write rfdst 0 rfdst 0 RF DST MAC 0 ff ff ff ff ff f 00 06 7a 00 00 04 Caution Should write between bytes In case of P2P or P2MP s slave 0 term is only available In case of P2MP s master write ...

Страница 22: ...ntly cut off by Ping Test adjust direction of antenna until cutting off phenomenon does not happen Connect to FTP Server and do Get data or Put data Adjust direction of antenna to display maximum performance signal intensity Minimum 60 and over is recommended Caution Performance could be effective by Distance of installation Performance of wire network equipments Jamming etc 4 Step5 Image Upgrade ...

Страница 23: ...e Ethernet cable Refer to Appendix 2 Q Connected Console but no message on terminal FWB2411 support 57600 baud rate Check program setting status Use supplied standard console cable refer to Appendix Q Not available of Telnet connection or Ping Wrong IP setting Connect console cable and reset IP Subnet Gateway IP Try again Q Not available communication between FWB2411s Check whether FWB2411s use sa...

Страница 24: ... direction is right When there are many products that use same channel with FWB2411 arround it could cause deterioration of signal intensity Q Suitable Antenna and Cable but bad communication quality Antenna radiation is made on the condition of green land so in the downtown communication distance would be shorter Communication distance varies according to antenna sensitively Q Unable Log In To lo...

Страница 25: ...The Best Wireless Solution http www jmpsystem com Q Doesn t work monitor program EMS Software FWB2411 s monitor program is based on Windows 98 Refer to JMP s website to have new version ...

Страница 27: ...d received 2 Number of errors that occurs during transmission and reception 3 Current usage 4 RF Signal Quality and Noise Level 5 Hardware Bios Software version MAC etc Changeable values 1 IP Gateway Subnet Mask 2 TFTP Server IP 3 RF Ch Power Level Energy Level 4 Backoff Time Retry Time 2 System Requirements Miniview1 0 is manufactured and tested on the basis of Microsoft Windows98 Although it is ...

Страница 28: ...n designate a folder where the program is to be installed Default Program Files FWB2411 Upon installation the following files are created in the related folder 1 FWB2411V2 exe 2 Resetter exe 3 Error wav nolw wav noreply wav 4 UserManual pdf 4 How to use The Fig 1 below shows the initial window created when you run Miniview1 0 for the first time Fig1 ...

Страница 29: ...em The group is created in two methods as Fig 2 Select Menu File Add Group Use a speed button at the bottom of list window Using one of the above two methods a dialog box asking a group name appears Fig 3 Enter an appropriate name for group Tip You d better designate a group name that is easily recognized For further detailed management subgroup can also be used Status window A sector where inform...

Страница 30: ...group Site A LG HQ is created on the list window In order to register FWB2411 equipment related to this group click Site A LG HQ and then select Menu or Speed Button as shown in Fig4 When the window shown in Fig 5 appears set up the IP address and monitoring interval Fig4 ...

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