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# 11. Link port

The link port can be set-up with the Link options item:

## 11.1 Direct File loading

When cable is set to null, TiEmu uses its direct file loading/saving capability. That is to say, you can 'send' a file from disk to TiEmu and vice-versa (Send file to TiEmu item of popup menu).
The port and calc settings are not used.
The timeout value can be increased/decreased to adjust timeout of direct file loading.

## 11.2 Virtual cables

Note : at the time being, ticables2 virtual link capability can not be used with ticables1 library unless you are running ticables1 v3.9.7 mini.
There are 2 virtual cables: VTi & TiEmu.
To connect VTI and TiEmu :
- run VTI; next, run TiEmu
- choose the VTi cable, port #2
- open the VTI menu, go to Enable Cable Link and be sure that Virtual Link is checked.
To connect TiLP1 and TiEmu2 :
- run TiEmu; next, run TiLP
- choose the TiEmu cable, port #1 in TiEmu
- choose the TiEmu cable, port #2 in TiLP
To connect TiEmu and TiEmu :
- run 2 instances of TiEmu
- choose the TiEmu cable on both, port #1 and port #2 respectively.

## 11.3 Real cables

At the time being, there are 3 link cables useable with TiEmu: GrayLink, BlackLink and ParallelLink. SilverLink is supported but not useable yet.
A cable is plugged into a port. There are 3/4 ports depending on the cable type:

| BlackLink or GrayLink | ParallelLink
| Windows | Linux | Windows | Linux
port #1 | COM1 | /dev/ttyS0 | LPT1 | /dev/tipar0
port #2 | COM2 | /dev/ttyS1 | LPT2 | /dev/tipar1
port #3 | COM3 | /dev/ttyS2 | LPT3 | /dev/tipar2
port #4 | COM4 | /dev/ttyS3 | N/A | N/A

Note: If you want to use the parallel cable under Linux as a regular (non-root) user, you must have the tipar kernel module (as module or built-in) present on your system. Likewise, the BlackLink cable requires the tiser module (or root privileges).