what is RJ_45 in computer networking?
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Short for Registered Jack-45, an eight-wire connector used commonly to connect computers onto a local-area networks (LAN), especially Ethernets. RJ-45 connectors look similar to the ubiquitous RJ-11 connectors used for connecting telephone equipment, but they are somewhat wider.
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Do not think it is declared yet. Plz check http://result.uniraj.ernet.in/ for the same. II & III are declared but not I
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The router and modem typically connect using a standard Ethernet twisted pair patch cable, which has 8 conductors and RJ-45 connectors on each end, but only 4 conductors are used, on pins 1,2,3 and 6, as there are two conductors for the transmit pair and 2 for the receive pair.
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Visit this website to find out.\n\nhttp://en.wikipedia.org/wiki/Firewall_%28networking%29
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It just a CAT5 cable  with RJ-45 connector
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If you're on linux using a bash shell, you could use nmap.\n\nIf you're on windows, download a network scanner and use that.
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It's a computer term:\n\nhttp://www.cisco.com/en/US/products/hw/optical/ps2011/products_implementation_design_guide_chapter09186a00802212a7.html
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You can configure the wi fi network for ad hock use that will enable the laptops to connect to each other.  \nHowever for internet access also between the two laptops \nyou'd have to connect one computer to a wired router vai the RJ 45 plug.  Then build a microsoft bridge between the wired connection and the wireless network.
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Nt LRB Stands for Network Layer Record Boot......\n\nthis will use for record the network activity.........
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this is a search result:\nhttp://images.google.co.in/images?hl=en&q=computer%20networks&sa=N&tab=wi\ntry this..
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Take a look at...\nhttp://www.ampercom.com/download/RScript%20User%20Guide%201.0.pdf
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assuming you are talking about networking, (including the internet) each computer on a network is called a node. each node has a Network Interface card (NIC) Each NIC has its own Media Access Control (mac) address provided by the manufacturer.\n\nThe very first line of protection comes from the NIC when it transmits special frames of data (about 1500 bytes of info) the frames contain MAC addresses of both senders and recievers,the data, and about 4 bytes called a Cyclic Redundancy check (CRC). The mac address makes sure it gets to the right node and the CRC makes sure the data is correct. The CRC is the answer to a complex binary arithmetic problem, using the rest of the data in the frame. if the sending and recieving node use the same formula and get the same CRC #'s the recieveing end knows the data is good. \non the internet theres somthing call internet protocal (IP) IP is carried with the data and has its own error checking.\ncheck out http://en.wikipedia.org/wiki/Tcp/ip
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buy a network card for about $10 bucks. \nor use a usb adpater to convert rj45 cat 5 to usb, but i would recommending using this.
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Not sure what your problem is -- if it's connected to the same network as your PC, you just telnet to it, assuming you know the IP address.  What kind of error are you getting when you try to telnet?  Does it time out?  Say no route to destination?  Can you ping it (ping <ip address> from the command prompt)?  Does your computer have an ARP entry for it (arp -a from the command prompt)?  It's possible your network is misconfigured; check the net mask and default route (gateway) on your PC (ipconfig from the command prompt).  If you can do these things, add additional details with the results.\n\nIf the router's not sufficiently configured to have a working IP address, you will need to connect to its serial console.  Depending on the model of the router, its console may be an RJ-45 connection or a DB-9 connection (likely the former).  You will need to connect it to a serial port on your PC, which is likely DB-9, so you'll need an adapter.  If you do not have a serial adapter on your machine, you'll need to get a USB to serial adapter.  The speed is either 9600,8,n,1 or 38400,8,n,1.  Good luck.
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physical data network transmission session ---Application
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I found this article that might give you some suggestions:\n\nhttp://www.networkcomputing.com/showitem.jhtml?articleID=160910914&pgno=1\n\nplrr
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1. Could be that the RJ45 (the little square at the end of the cable) is loose or not properly plugged in.\n\n2. RJ45 connector is defective and has a loose wire contact inside\n\nTry to check.