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| **Ports** - at least 20 ports, ideally 24 ports (HDL support) | #1 | **Accepted** - prototype with 24 ports, final product TBD (min 20)|
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| **Ports** - Use compact SFP (not for DWDM) | #2 | **Rejected** - Not needed since |
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|**Ports** - It should be possible to have 1Gb on 18 ports |#3 | **Accepted** - Min support 18x1Gbps be default| |
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| **Ports** - It should be possible to have 1Gb on 18 ports |#3 | **Accepted** - Min support 18x1Gbps be default|
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| **Clocking circuit** - architecture |#4| **Open** - to be evaluated with a prototype|
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| **Clocking circuit** - Use PPS rising edge as reference instead of 10MHz | #6| **Accept** - HW should allow, HDL/SW to be discussed|
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|**Interfaces** - PPS in should be 5V TTL compatible, PPS out also TTL, always 50 ohms| #7|**Accepted**|
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|**Interfaces** - 10MHz output should be AC coupled instead of LVCMOS 3.3|#8| **Accepted** - to be tested later with measurement equipment|
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|**Interfaces** - To gain space in the front panel, squeeze the Aux/Abscal connectors|#9| Remove Aux |
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|**Interfaces** - Do not use CP2105 dual USB, use FTDI FT2232HL |#10|**Accept** |
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|**Interfaces** - Use USB-C instead of mini USB type B.|#11|**Accept**|
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|**Interfaces** - Locator LED on the back of the switch|#12|**Accept**|
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|**Interfaces** - LEDs - color-blind friendly|#13|**Accept** - we will try...|
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|**Interfaces** - Bad idea to have the button to flash directly from USB|#14|**Accepted** - do not flash from USB, remove flash button |
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|Interfaces - Have buttons next to LCD to change the content|#15|**Accept**|
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| **Power supply and fans** - consider RF-Noise and EMC when selecting PSU | #5 #31 | **Accepted** - the selected y [YH5151-1EBR](https://www.3ypower.com/en/product/1uredundant/YH5151-1EBR.html) looks good | |