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Home » Forums » Forum Archives » Networking and Internet Sharing » Topic # 208

lan problem
subirsil Aug-27-00 11:12 AM
Dear Sir,

I bought two 10 mbps DAX PnP Ethernet card. I install it. but I cannot login to the Intranet. I have two pc one is a PII333,32MB,4GB, Win98 and other is P120,24MB,1GB, Win95. I use bnc cable (specially used to cable tv connection) to connect my pcs .

I install client for Microsoft network, Tcp-ip, Netbeui, Dialup Adapter, Ethernet adapter, Microsoft file sharing service in both the pc.

I configure the WIN98 pc as follows:-

IP - and subnet mask
Identify the pc as P2
Workgroup as - icon

I configure the WIN95 pc as follows:-

IP - and subnet mask
Identify the pc as P1
Workgroup as - icon

I share the C drive in both the pc.

I found P1 and P2 icon in the network neighborhood in both the pc but I cant connect the other pc, when I double click the other pc icon it gives the following error message

' \\ p1 is not accessible the computer or sharename could not be found, make sure you typed it correctly and try again'

Please inform me in detail about the pc configuring and what the other things I have to do or I am ignoring.

I notice one thing that my Ethernet card LED is not glow when the cable is plugged, it glows when I unplugged the cable. But when I ran the setup disk diagnostic software - it shows that the card is working (the initiator and responder program)

If you kindly help me and advice how can I connect my pcs and also share my internet
connection - I will be very happy.


1. RE: lan problem
lbyard Aug-28-00 01:19 PM
In response to message 0
Cable used for cable television is RG-59 or RG-6. It usually has a solid-wire core and a characteristic impedance of 75 ohms. It is the wrong cable to use for a thinwire Ethernet. A thinwire Ethernet cable is made from RG-58A/U. It has a stranded core and a characteristic impedance of 50 Ohms. In a two-computer, thinwire network, the cable cannot be directly connected to the NICs (Network Interface Cards). Tee connectors are connected to the NICs and the cable is connected to the Tees. 50 ohm terminators must be connected to the Tees at the very ends of the network. One of the terminators should be grounded. The other terminator should not be grounded. If both ends are grounded, a dangerous ground loop condition can exist from a lightning strike. However, the network will probably work OK if neither end is grounded… It takes the correct tools, reliable connectors, practice, and patience to make thinwire cables that will not have problems. Most thinwire problems are caused by the “ends" and result from using the wrong cable (e.g., solid core cable), unreliable connectors, cheap crimpers, inexperienced installers, and offices that like to play musical chairs. There are many kinds of RG-58A/U connectors. The ones that I have found to work the best (with PVC cable) are AIM two-piece connectors (catalog number 27 9200 http://www.aimelectronics.net/rftoc.htm). My advice: purchase a couple of 100BaseT NICs and a crossover cable (http://duxcw.com/digest/Howto/network/cable/cable6.htm). Larry

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