[j-nsp] Copper transcievers in QFX5100, EX4600 and ACX5048

[Vincent Bernat]

 ❦  5 décembre 2017 15:40 +0100, Karl Gerhard <karl_gerh at gmx.at> :

> the official documentation for QFX5100, EX4600 and ACX5048 contains the following statement:
> https://www.juniper.net/documentation/en_US/release-independent/junos/topics/reference/specifications/port-panel-qfx5100-48S.html
> "Caution: Do not place a copper transceiver in an access port directly
> above or below another copper transceiver. Internal damage to the
> access ports and switch can occur. We recommend either using the top
> port row exclusively, or bottom port row exclusively, for copper
> transceivers."
>
> Does this apply only to Direct Attach Cables or copper SFP modules
> oder both? This is potentially a big thing for us since we would like
> to use copper SFP modules on some of our devices.

DAC cables are fine, only copper SFP modules are affected. The damage is
mechanical due to the SFP module being too high.
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