Serial port
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Revision as of 05:57, 8 September 2008
Model Specific Directions
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| How to add Serial Access | ||
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| LS1 | HD-HLAN v1 | .jpg){kind=small} | For the LS1 | ||
| KURO/HG | KUROBOX |  | For Kuro/HG | ||
| HG | HD-HGLAN | | For the HG | ||
| LS2 | HD-HLAN v2 | | For the LS2 | ||
| LSPRO | LS-GL |  | |||
| LS MINI | LS-WSGL |  | Add a Serial port to the LS MINI | ||
| LS DUO | LS-WTGL |  | Add a Serial port to the LS DUO | ||
| KUROPRO | KUROBOX Pro |  | |||
| TERASTATION | Terastation |  | |||
| TERASTATION PRO V1 | Terastation |  | |||
Level Shifter
All of the Linkstations have serial hardware built in, which they use for Linux kernel messages (console) as well as communication with the boot loader. Whilst normal RS232 uses a nominal 12 volt for communication signals, the Linkstations' serial hardware signals at 3.3v. It is therefore necessary to use a device which provides "level shifting" i.e. translates between the RS232 and 3.3v signal levels.
The cheapest and most widely available level shifters are incorporated into some mobile phone data cables (see below), however slightly more work is required to determine the pin-out of these cables than if you buy some off-the-shelf converter kits.
Build your own LVTTL/RS232 or LVTTL/USB interface
- LVTTL/RS232 - Building a Custom Serial Interface
- LVTTL/USB - Use a Nokia Serial Cable on an ARM9 Linkstation
- LVTTL/USB - Use a cheap phone sync cable with the serial port
Buy a LVTTL/RS232 or LVTTL/USB interface
| The cheapest TTL/RS232 converter uses a MAX232 with two serial channels for standard TTL 3V input. | The cheapest TTL/USB converter uses a chip by FTDI (the same chip is used in the SCON-KIT ) |
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| This board is made by Futurelec, however the order is shipped from Thailand so it takes 2-3 weeks to get it.
You'll also need some headers and connectors | This cable is made by FTDI, but the pinout at the connector end would need to be reassigned. Spec Sheet w/ pinout, wire colors & other info
You will also need a 4 pin header
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Parts List
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Parts List
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| Others | Others |
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| This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
