Put both of the computers on a LAN, whether it be with a single cable, which must be a crossover cable it will say crossover on the side usually in white or a. Tech Stuff USB Firewire. USB 1. x, 2. 0 and the significantly different but compatible 3. Fire. Wire IEEE 1. PC connection sizecosts and improve performance. Modern MonitorDisplay interfaces, such as HDMI, Display. Port and Thunderbolt, are very fast pure serial interfaces. The On the Go OTG specification introduced a Mini B connector, Micro A and B connectors in 2. Great to see that the USB folk make their specs freely available unlike the IEEE 1. USB 1. x and 2. 0The USB specification defines what are now called standard A and B type connectors. The A type connects to the Host, Hub or Bridge. The Type B connects to the end peripheral. This is shown in diagram 1 below. USB 1. x Full Speed provides up to 1. M Bits low bandwidth at distances of 3m or 1. M Bits Full Bandwidth at distances of 5m. Version 2. 0 hi Speed supports speeds to 4. M Bits at distances of up to 5m. In all cases a maximum of 5 hubs may be supported. USB 3. 0 provides up 5. Enter any phrase in the box above and press the Enter key or click the. These instructions will show you how to make a 9pin serial to Ethernet cable. Serial cables are used to control and configure devices with serial ports. When con. LAN Wiring Pinouts 10baseT, 100baseTXT4, 1000baseT, 10GbaseT. Note These pages were originally written when the world was young and 10m LANs were nose. IPCalc. org Your SysAdmin toolbox. This site is designed to help you in your daily sysadmin tasks. You will find some tools that, I hope, allow you to go faster and. The ICF1150 series support 2 serial ports, with a Dsub connector for RS232 communication and a removable terminal block for RS422 or RS485 communication. The 3. Tech Stuff USB and Firewire. USB 1. x, 2. 0 and the significantly different but compatible 3. FireWire IEEE 1394a and b were adopted for serial. Hello,I have some important datas in my PC which are to be transferred to my lap top. I do it through a USB cable Material didctico multimedia de apoyo para Ciclos Formativos de Informtica sobre plataforma Moodle. Redes Locales y WAN httpwww. GB. USB 1. x and 2. A and a maximum current of base X 5 5. A for powering of peripherals or battery charging applications. In all cases power is at a nominal 5. V. USB 3. 0 provides up 9. A. Note The Battery Charging Specification BCS 1. USB CABLE ADAPTER BF7330 USB 3. Easy Transfer Cable BF2630 USB 3. HDMI MultiDisplay Cable Adapter with VideoAudio BF2631 USB 3. VGA MultiDisplay. USB connection are used soley for charging purposes using, say, a Dedicated Charging Port DCP. BSC 1. 2 is compatible with both USB 2. Standard Type A Pin assignment. Standard Type B Pin assignment. Mini USB Type B Pin assignment. Originally defined as part of the On the Go OTG USB 1. Serial Lan Cable' title='Serial Lan Cable' />B and peer to peer operation the Mini A and AB connectors have been deprecated. The Mini B connector may still be used within the USB standard but not within the OTG standard where it has been replaced with the Micro standard see below. Pre 2. 00. 82. 00. Micro USB Type B and AB Connectors. Added to the USB and On the Go OTG enhancement USB 1. Micro A, Micro B plugs, micro B and an AB receptacle. From approximately 2. B is the most common USB connector for mobile devices such as cell phones. Notes As may be obvious from the included dimensions the above diagrams are not drawn to a common scale. Or to put it another way. Readers are advised that objects viewed in their browsers will appear larger than they are Dimensions shown are for inner surfaces. In all the above cases pin numbering is shown for the Receptacle female connector. If you are working with a plug male connector then pin numbering is, as always, reversed. In addition the Micro USB connectors mandate the following color coding Connector. Color. Notes. Micro A plug. White Micro B receptacle. Black Micro B Plug. Black Micro AB receptacle. Gray USB 3. 0 Super. SpeedUSB 3. 0 November 2. G Bits termed Super. Speed in the specifications. Cable length is not defined in the USB 3. USB 3. 0 uses new Standard and Micro A and B plugs and receptacles using 9 pins to obtain the full Super. Speed performance 5. G Bits. A new keying method is used to enable backward connectivity and operation with USB 2. Where either a USB 2. OR receptacle is used the connection is limited to USB 2. USB 3. 0 plugs and receptacles are used USB 3. USB 2. 0 Mini B connectors are not supported within the USB 3. USB 3. 0 increases the base current from 1. A USB 2. 0 to 1. A. The maximum load is now 6 x 1. A 9. 00 m. A up from USB 2. A x 5 5. 00 m. A. Note The Battery Charging Specification BCS 1. USB connection are used soley for charging purposes using, say, a Dedicated Charging Port DCP. BSC 1. 2 is compatible with both USB 2. Supported interconnections between USB 2. USB 3. 0 are shown in the table below Receptacle. Plugs. Notes. USB 2. Standard AUSB 2. 0 or 3. Standard A USB 3. Standard AUSB 2. 0 or 3. Standard A USB 2. Standard BUSB 2. 0 Standard B USB 3. Standard BUSB 2. 0 or 3. Standard B USB 3. Powered BUSB 3. 0 Powered B, USB 2. Standard B USB 2. Micro BUSB 2. 0 Micro B USB 3. Micro BUSB 2. 0 or 3. Micro B USB 2. 0 Micro ABUSB 2. Micro A or Micro B USB 3. Micro ABUSB 3. 0 Micro A or Micro B, USB 2. Micro A or Micro B USB 3. Connectors. USB 3. USB 2. 0 plugs and receptacles will interconnect as shown in the above table and defines the following connectors that, when a USB 3. G Bits performance USB 3. Connectors. Housing Color Code. Notes. USB 3. 0 Standard A Receptacle. Blue USB 3. 0 Standard A Plug. Blue USB 3. 0 Standard B Receptacle USB 3. Standard B Plug USB 3. Standard B Powered Receptacle Additional 2 pins to Standard B DPWR Power and GNDUSB 3. Standard B Powered Plug Additional 2 pins to Standard B DPWR Power and GNDUSB 3. Micro B Receptacle USB 3. Micro B Plug USB 3. Micro A Receptacle Identical to Micro B except keying. USB 3. 0 Micro A Plug Identical to Micro B except keying. USB 3. 0 Micro AB Receptacle Only receptacle allowed by OTGUSB 3. Type AB Pin assignment. Notes Pins 1 4 are identical to those of a USB 2. Standard A Receptacle allowing interconnection with USB 2. USB 2. 0 speeds 4. M BitsIn a Standard USB 3. A to USB 3. 0 A cable, wires 1 3 joining pins 1 3 are NO CONNECT which means no power or USB 2. A USB 3. 0 A to USB 3. B standard or micro cable connects all wires including those connecting pins 1 3 which means power and USB 2. Power VBUS is nominally 5. V with a low power range from 4. V to 5. 2. 5V and high power range from 4. V. Data is encoded as 8b1. Receptacles are provisioned with an Insertion Detection method that are signalled using additional pins on the host controller interface circuitry are not visible within the cable pinout which carries only electrical information between the end points. USB 3. 1 Super. Speed. PlusUSB 3. 1 July 2. G bits described as Enhanced Super. Speed in the specifications though the terms Super. Speed. Plus or Super. Speed is used interchangeably in the same specifications. As always with USB the full specifications are available free of charge from USB. ORG. Connectors are compatible with those used for either USB 2. USB 3. 0 and full interworking with either USB 2. USB 3. 0 is provided though, obviously, only to the maximum performance supported by each type. In essence the 3. USB 3. 0 and treats the USB 3. GEN 1 in the specification and 3. GEN 2 in the specification of the Enhanced Super. Speed family. Pinouts are identical to USB 3. Much of the additional speed of USB 3. The encoding method goes by the hip name 1. USB 3. 0s 8b1. 0b method. The remaining performance improvements come from LinkProtocol layer efficiency which may mean that not all applications will see 1. G bits performance and indeed some early trials suggest that speeds around 7 G bits are, perhaps, realistic though this may improve as software is optimized. In general the electrical specification for USB 3. A as USB 3. 0 and allows a USB 3. Dedicated Charging Port DCP though at significantly lower power than the maximimum 9. A vs 5. 0 A. USB Battery Charging Specification 1. USB ports have been used for some time to charge battery powered devices. In the case of normal USB 2. USB 3. 03. 1 connections such charging is limited by the power available on the interface max of 5. A in the case of USB 2. A in the case of USB 3. Charge time is clearly proportional to the amount of current available. The Battery Charging Specification currently version 1. Dedicated Charging Port DCP whose sole function is battery charging it does not support USB protocol features. To facilitate faster charging in this case the power limits are raised to allow between 1. Amps at a nominal 5. RPi Serial Connection e. Linux. org. Back to RPi Advanced Setup. The serial port is a low level way to send data between the Raspberry Pi and another computer system. There are two main ways in which it can be used. Connecting to a PC to allow access to the Linux console. This can help to fix problems during boot, or to log in to the Raspberry Pi if the video and network are not available. Connecting to a microcontroller or other peripheral which has a serial interface. This can be useful if you want the Raspberry Pi to control another device. Connections and signal levels. Adafruit serial cable connected to Pi. The Raspberry Pi serial port consists of two signals a transmit signal, Tx. D and a receive signal Rx. D made available on the GPIO header. To connect to another serial device, you connect the transmit of one to the receive of the other, and vice versa. You will also need to connect the Ground pins of the two devices together. The Broadcom chip at the heart of the Raspberry Pi uses 0 and 3. V logic levels, not the 1. V used by RS 2. 32 serial ports found on some older PCs. If you wish to connect one of these, you need a board or adapter to convert the signal levels. See this tutorial for one example on how to build a 3. Install Netperf On Windows more. V to RS 2. 32 level converter with a breadboard, a MAX3. CPE IC and five 0. F capacitors. If you wish to connect your Raspberry Pi to a PC with a USB port, the simplest option is to use a USB to serial cable which uses 3. V logic levels e. Adafruit 9. 54 cable, the FTDI TTL 2. R RPI cable, or the Debug Buddy ultimate serial port. These can be simply plugged in directly to the GPIO header see illustration. If you wish to connect to a peripheral which has 05 V signals, you should ideally have a circuit to convert between the voltage levels. See this tutorial for an example using a ready made level shifter module. Other circuits for level shifting are shown at RPiGPIOInterfaceCircuitsLevelShifters. The Debug Buddy ultimate serial port can also be configured for 05 V signals. NOTE FOR RASPBERRY PI 3 The Raspberry pi 3 has changed things a bit and you might need to add the option enableuart1 at the end of bootconfig. Pi Engineer. Connection to a PCYou can connect the Raspberry Pi to a PC using a USB serial cable, or if it has an RS 2. When this is done, you will need to set up a terminal emulator program on your PC as described below. Console serial parameters. The following parameters are needed to connect to the Raspberry Pi console, and apply on both Linux and Windows. Speed baud rate 1. Bits 8 Parity None Stop Bits 1 Flow Control None. Linux terminal set up. If your PC is running Linux, you will need to know the port name of its serial port. Design And Development Procedure Iso 9001 there. Built in standard Serial Port the Linux standard is devtty. S0, devtty. S1, and so on USB Serial Port Adapter devtty. USB0, devtty. USB1, and so on. Some types of USB serial adapter may appear as devtty. ACM0. You will need to be a member of the dialout group to access this port for later releases the required group is tty. You can check which is needed with. USB0. and you will see something like crw rw T 1 root dialout., c means character device, and root can read,write and the group dialout can read,write to the port and everyone else cannot access it. To find out if you, the current user, is in the group dialout, use the command. If you do not see dialout listed, add yourself with the command. G dialout username. You then have a choice of terminal emulation programs. Super Easy Way Using GNU Screen. Enter the command below into a terminal window. To exit GNU screen, type Control A k. Super Easy Way Using Minicom. Run Minicom with the following parameters. D PortName. You can exit Minicom with Control A x. Note If you havent configured minicom before i. RPi, you should make sure Hardware Flow Control is disabled. See Tedious Old Fashioned Way Using Minicom to configure minicom. Tedious Old Fashioned Way Using Minicom. Another method to setup minicom is described in the Tincantools Minicom Tutorial. Start Gtk. Term, select Configuration Port and enter the values above in the labeled fields. Network connection with the point to point protocol pppThe easiest way to set up a network connection between your Raspberry Pi and another computer is with an Ethernet cable. If this is not possible, as is the case for the Raspberry Pi Model A, you can set up a connection over the serial cable. This uses the Point to point Protocol PPP. A network connection running over a serial cable can be very useful for copying files onto the Raspberry Pi. Step 1 Log in to the Raspberry Pi over the serial cable and run the Point to Point Protocol Daemon. Some garbage will start appearing in the terminal. This is the cue to quit your terminal program and proceed to step two. Step 2 On your local computer, start the Point to Point protocol. On a Linux or Mac computer you can do this by typing. FTGCC2. MV 1. 15. FTGCC2. MV with the name of your serial port. In the above line, 1. IP address, the address you want your computer to have. IP address, it is the address that the Raspberry Pi will have. Test the connection. Virtual connection to the LANInstead of 1. You can chose the second address it must not yet be assigned on the LAN and be outside the DHCP range. The advantage is that the system connected to the serial line will appear as if it is directly connected to the LAN arp protocol. You must enable routing on the system directly connected to the LAN for other systems to access the system connected to the serial line. On the guest system connected via the serial cable you must set the default route pointing to the serving system, e. You should also configure etcresolv. DNS. Windows terminal set up. Users of Windows Vista or later will need to download a terminal program, for instance Pu. TTY, or Tera. Term. Users of Windows XP and below can choose between using Pu. TTY and the built in Hyperterminal. Pu. TTY users simply need to choose serial, select the correct COM port and set the speed, as shown in the dialog below. If you are unsure of the COM port, run Device Manager and look under Ports. USB attached serial adapters should have the name of the adapter shown the Adafruit cable comes up as Prolific USB toSerial Comm Port. Boot messages. If your connection is set up correctly, when the Raspberry Pi is booted you should see many messages as the system comes up. Uncompressing Linux. Initializing cgroup subsys cpu. Linux version 3. 2. NG linaro 1. 1. 3. Pkzip Dos 64 Bit. Linaro GCC 2. 01. PREEMPT Thu Oct 1. BST 2. 01. 2. 0. CPU ARMv. 6 compatible processor 4. ARMv. 7, cr0. 0c. CPU PIPT VIPT nonaliasing data cache, VIPT nonaliasing instruction cache. Machine BCM2. 70. Memory policy ECC disabled, Data cache writeback. Built 1 zonelists in Zone order, mobility grouping on. Total pages 1. 13. Kernel command line dma. B8 2. 7 EB 5. C 4. B 6. D sdhci bcm. AMA0,1. 15. 20. 0 consoletty. Eventually, you should see a login prompt. Debian GNULinux Wheezysid raspi. AMA0. You can then log in as you would with a keyboard and screen. Unwanted serial garbage input. Note that on older software by accident the internal pullups of the Rx. D GPIO pins were not enabled, this could lead to lots of serial garbage being picked up if the GPIO pin was touched, or even if a finger was nearby. In extreme case this could lead to kernel warnings and other problems. Connection to a microcontroller or other peripheral.