Cambium Networks cnMatrix EX2028 Handleiding (320 Pagina's)

Handleiding

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WISP Features 290

Useful information:

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Changing the power mode implies a power-off/power-on on the port. So, once a cnMedusa or

cnWave is detected and the power mode is changed successfully, it will reboot and come back

online with the new power mode. After coming back online, the cnMatrix waits for 2 minutes to

confirm again that it is a cnMedusa or cnWave via the same LLDP information. The port is kept

intentionally powered-off for 12 seconds (PoE LED will be blinking green) to avoid the cnMedusa

or cnWave booting-up in SPC mode. All of these events can be followed via logging.

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If the cnMedusa or cnWave is unplugged or if the port is administratively powered-off, cnMatrix

will revert the power mode to 802.3 on that port.

Note

This feature requires SW version R20.0.1 on the cnMedusa or cnWave. If the

customer uses R16.2.3 or earlier then he must manually set the port in hybrid

mode to be able to draw the full 90w.

Note

This feature is only available on the 4-Pair PoE ports which support up to 90w.

These are 1-8 on the TX2020R-P or TX2028RF-P and 1-4 on TX2012R-P.

PoE high temperature mode

High temperature is a mode that protects the switch from overheating by reducing the total PoE power

budget. This mode is useful when the switch operates in an extreme temperature environment.

The amount by which the PoE budget is reduced depends on the power supply model:

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The PoE budget for the 1200W CRPS is reduced from a maximum of 960W to 700W.

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The PoE budget for the 930W CRPS is reduced from a maximum of 840W to 600W.

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The PoE budget for the 600W CRPS is reduced from 500W to 450W.

Removable power supplies

The TX2020R-P model offers two removable power supplies slots for two reasons: redundancy and

flexible power budget requirements.

The TX2012R-P model offers one removable power supply slot for flexible power budget requirements.

The TX2028RF-P model offers one removable power supply slot for flexible power budget requirements.

As long as one power supply remains installed, inserting or removing a power supply will not cause the

switch to power down.

The detection of a power supply is installed or removed upon insertion is done automatically and the

power budget is adjusted accordingly on the fly.

Table 1: PoE budget based on power supply model

Power Supply Type (AC/DC) DC – in Voltage Available PoE Load

1200W (110V) AC NA 900W

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