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參數(shù)資料
| 型號(hào)： | 20-101-0494 |
| 廠商： | Rabbit Semiconductor |
| 文件頁(yè)數(shù)： | 40/90頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MODULE RABBITCORE RCM2250 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | RabbitCore® |
| 模塊/板類型： | MPU 核心模塊 |
| 適用于相關(guān)產(chǎn)品： | RCM2250 |
| 產(chǎn)品目錄頁(yè)面： | 620 (CN2011-ZH PDF) |
| 其它名稱： | 316-1092 |
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User’s Manual
39
6.2 Running TCP/IP Sample Programs
We have provided a number of sample programs demonstrating various uses of TCP/IP for
networking embedded systems. These programs require that the user connect his PC and
the RCM2200 board together on the same network. This network can be a local private
network (preferred for initial experimentation and debugging), or a connection via the
Internet.
Obtaining IP addresses to interact over an existing, operating, network can involve a num-
ber of complications, and must usually be done with cooperation from your ISP and/or
network systems administrator (if your company has one). For this reason, it is suggested
that the user begin instead by using a direct connection between a PC and the RCM2200
board using an Ethernet crossover cable or a simple arrangement with a hub. (A crossover
cable should not be confused with regular straight through cables.) The hub and a wide
variety of cables can also be purchased from a local computer store.
In order to set up this direct connection, the user will have to use a PC without networking,
or disconnect a PC from the corporate network, or install a second Ethernet adapter and set
up a separate private network attached to the second Ethernet adapter. Disconnecting your
PC from the corporate network may be easy or nearly impossible, depending on how it is
set up. Mobile PCs, such as laptops, are designed to be connected and disconnected, and
will present the least problem. If your PC boots from the network or is dependent on the
network for some or all of its disks, then it probably should not be disconnected. If a sec-
ond Ethernet adapter is used, be aware that Windows TCP/IP will send messages to one
adapter or the other, depending on the IP address and the binding order in Microsoft prod-
ucts. Thus you should have different ranges of IP addresses on your private network from
those used on the corporate network. If both networks service the same IP address, then
Windows may send a packet intended for your private network to the corporate network.
A similar situation will take place if you use a dial-up line to send a packet to the Internet.
Windows may try to send it via the local Ethernet network if it is also valid for that net-
work.
RCM2200
User’s PC
CAT 5/6
Ethernet
crossover cable
Direct Connection
(network of 2 computers)
RCM2200
Hub
Ethernet
cables
To additional
network
elements
Direct Connection Using a Hub
Board
CAT 5/6
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