pikvm/pages/multiport.md

# Multiport KVM over IP

There are many ways to do this, but the best and most documented one right now is to use the [ezCoo KVM switch](ezcoo.md).

Also, Pi-KVM can be connected to a multi-port HDMI/USB switch and the switch's buttons can be connected via optocouplers to [the Pi's GPIO to switch channels](gpio.md).

If your KVM switches channels using keyboard shortcuts, there is a chance that it will not be able to work with OTG (v2 platform, see below), since it does not fully implement the USB stack. In this case, you will have to [use an Arduino board](arduino_hid.md) to emulate the keyboard & mouse (Pi-KVM supports this configuration).

# List of tested KVMs
Here the status is:
* ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) - Everything is working as expected. There may be some subtleties.
* ![#ffaa00](https://placehold.it/15/ffaa00/000000?text=+) - The switch does not work with OTG (**v2**) and requires an [Arduino HID](arduino_hid.md) or soldering [GPIO](gpio.md) to switch channels or something like that.
* ![#f03c15](https://placehold.it/15/f03c15/000000?text=+) - The keyboard or mouse does not work at all, the switch loses the image, etc.

| Model | Status | Notes |
|:------|:-------|:------|
| [ezCoo SW41HA HDMI 4x1 switch](https://www.easycoolav.com/products/hdmi20-switch-4x1-with-usb20-kvm-4-port-usbsupport-4k60hz-444-and-hdr-audio-breakout) | ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) | [Using with Pi-KVM](ezcoo.md) |
| [Ali's noname](https://a.aliexpress.com/_BSpS8t) | ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) | [Here the details](https://github.com/pikvm/pikvm/issues/128) |
| [TESmart 8 PORT - HDMI KVM SWITCH](https://buytesmart.com/collections/8-ports) |  ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) | Use OTG with USB 2.0 Hub only, no hotkey support. Switching available with serial or IP-to-serial interface using fixed IP (/31 peer-to-peer addressing supported). [Sample script on GitHub.](https://github.com/bbeaudoin/bash/blob/master/kvmctl) |
multiport 2020-11-02 06:24:16 +00:00			`# Multiport KVM over IP`

			`There are many ways to do this, but the best and most documented one right now is to use the [ezCoo KVM switch](ezcoo.md).`

Update multiport.md (#145) 2021-01-06 17:37:20 +00:00			`Also, Pi-KVM can be connected to a multi-port HDMI/USB switch and the switch's buttons can be connected via optocouplers to [the Pi's GPIO to switch channels](gpio.md).`
multiport 2020-11-02 06:24:16 +00:00
Update multiport.md (#145) 2021-01-06 17:37:20 +00:00			`If your KVM switches channels using keyboard shortcuts, there is a chance that it will not be able to work with OTG (v2 platform, see below), since it does not fully implement the USB stack. In this case, you will have to [use an Arduino board](arduino_hid.md) to emulate the keyboard & mouse (Pi-KVM supports this configuration).`
Update multiport.md 2020-12-10 04:46:47 +00:00
			`# List of tested KVMs`
			`Here the status is:`
Update multiport.md 2020-12-10 04:48:47 +00:00			`* ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) - Everything is working as expected. There may be some subtleties.`
Update multiport.md 2020-12-10 04:46:47 +00:00			`* ![#ffaa00](https://placehold.it/15/ffaa00/000000?text=+) - The switch does not work with OTG (v2) and requires an [Arduino HID](arduino_hid.md) or soldering [GPIO](gpio.md) to switch channels or something like that.`
			`* ![#f03c15](https://placehold.it/15/f03c15/000000?text=+) - The keyboard or mouse does not work at all, the switch loses the image, etc.`

			`\| Model \| Status \| Notes \|`
			`\|:------\|:-------\|:------\|`
Update multiport.md 2020-12-10 04:48:47 +00:00			`\| [ezCoo SW41HA HDMI 4x1 switch](https://www.easycoolav.com/products/hdmi20-switch-4x1-with-usb20-kvm-4-port-usbsupport-4k60hz-444-and-hdr-audio-breakout) \| ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) \| [Using with Pi-KVM](ezcoo.md) \|`
Update multiport.md 2020-12-17 11:48:55 +00:00			`\| [Ali's noname](https://a.aliexpress.com/_BSpS8t) \| ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) \| [Here the details](https://github.com/pikvm/pikvm/issues/128) \|`
SPI and multiport Updates (#166) * Add Arduino SPI diagram for HID * Arduino SPI wiring and configuration * Arduino SPI Photos * Update arduino_hid.md Some wordsmithing and technical review, some of the parts list has been stated elsewhere but included here with some comments on different parts or other considerations. * Add TESmart 8 port switch * Corrected diagram Corrected diagram of the Arduino SPI HID layout wiring * Corrected wiring layout Corrected wiring layout of the Arduino Pro MIcro SPI HID * moved spi hid image to correct directory * Updated SPI HID pictures Updated pictures of the SPI HID wiring to match the updated circuit diagrams. * Update arduino_hid.md 2021-02-01 20:21:17 +00:00			`\| [TESmart 8 PORT - HDMI KVM SWITCH](https://buytesmart.com/collections/8-ports) \| ![#00aa00](https://placehold.it/15/00aa00/000000?text=+) \| Use OTG with USB 2.0 Hub only, no hotkey support. Switching available with serial or IP-to-serial interface using fixed IP (/31 peer-to-peer addressing supported). [Sample script on GitHub.](https://github.com/bbeaudoin/bash/blob/master/kvmctl) \|`