参数资料
| 型号： | 101-0521 |
| 厂商： | Rabbit Semiconductor |
| 文件页数： | 86/138页 |
| 文件大小： | 0K |
| 描述： | MODULE RABBITCORE RCM3210 |
| 标准包装： | 1 |
| 系列： | RabbitCore® |
| 模块/板类型： | MPU 核心模块 |
| 适用于相关产品： | RCM3210 |
| 其它名称： | 101-521 101-521-ND |
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User’s Manual
45
6.2 TCP/IP Primer on IP Addresses
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. For this reason, it is suggested that the user begin instead
by using a direct connection between a PC and the RCM3200 board using an Ethernet
crossover cable or a simple arrangement with a hub. (A crossover cable should not be con-
fused with regular straight through cables.)
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. 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 second 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 products. Thus you should
have different ranges of IP addresses on your private network from those used on the cor-
porate 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 network.
The following IP addresses are set aside for local networks and are not allowed on the
Internet: 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to
192.168.255.255.
The RCM3200 board uses a 10/100Base-T type of Ethernet connection, which is the most
common scheme. The RJ-45 connectors are similar to U.S. style telephone connectors, are
except larger and have 8 contacts.
An alternative to the direct connection using a crossover cable is a direct connection using
a hub. The hub relays packets received on any port to all of the ports on the hub. Hubs are
low in cost and are readily available. The RCM3200 board uses 10 Mbps or 100 Mbps
Ethernet, so the hub or Ethernet adapter must be either a 10 Mbps unit or a 10/100 unit that
adapts to either 10 or 100 Mbps.
In a corporate setting where the Internet is brought in via a high-speed line, there are typi-
cally machines between the outside Internet and the internal network. These machines
include a combination of proxy servers and firewalls that filter and multiplex Internet traf-
fic. In the configuration below, the RCM3200 board could be given a fixed address so any
of the computers on the local network would be able to contact it. It may be possible to
configure the firewall or proxy server to allow hosts on the Internet to directly contact the
controller, but it would probably be easier to place the controller directly on the external
network outside of the firewall. This avoids some of the configuration complications by
sacrificing some security.
相关PDF资料 |
PDF描述 |
|---|---|
| 101-0525 | COMPUTER SINGLE-BOARD LP3500 FOX |
| 101-0602 | COMPUTER SNGL BRD BL2500 44.2MHZ |
| 101-0673 | MODULE RABBITCORE RCM3610 |
| 101-0814 | COMPUTER SNG BD BL1810 512K SRAM |
| 101-1007 | MODULE POWERCORE FLEX 3810 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 101-0522 | 功能描述:模块化系统 - SOM MICRO-CNTLR DAUG/BD RoHS:否 制造商:Digi International 外观尺寸:ConnectCore 9P 处理器类型:ARM926EJ-S 频率:150 MHz 存储容量:8 MB, 16 MB 存储类型:NOR Flash, SDRAM 接口类型:I2C, SPI, UART 工作电源电压:3.3 V 最大工作温度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in |
| 10-105220-25P | 制造商:Amphenol Aerospace 功能描述:RECEPT |
| 10-105220-25S | 制造商:Amphenol Aerospace 功能描述:RECEPT |
| 10-105220-26P | 制造商:Amphenol Aerospace 功能描述:RECEPT |
| 10-105220-26S | 制造商:Amphenol Aerospace 功能描述:RECEPT |
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