AVPro Edge MXNet AC-MXNET-1G-AVDM Handleiding (78 Pagina's)

Handleiding

Page 13 of 78

MXNET 1G USER MANUAL

A jumbo frame is an Ethernet frame with a payload greater than the standard MTU of 1500 bytes.

Jumbo frames are used on LANs that support at least 1Gbps and can be as large as 9000 bytes, or

even bigger. Since jumbo frames are not defined in the IEEE 802.3 specifications for Ethernet, vendor

support for jumbo frames and their maximum MTU sizes may vary.

Jumbo frames provide a large number of benefits over the traditional IEEE 802.3 Ethernet MTU’s.

These include:

• The amount of frames sent across the network is reduced

• The number of Ethernet headers is reduced as a result of fewer frames.

• The reduction in frames results in fewer required headers.

• The CPU cycles are reduced at the sender and receiver side due to fewer headers needing to

be built and read.

• Network bandwidth is reduced due to the reduction in headers.

2.6 PoE Budget

PoE network switches will power the MXNet endpoint devices (encoders and decoders), as each

endpoint device consumes 6 to 9 Watts of power. Be sure to correctly identify the PoE budget of the

third-party network switch before purchasing.

Example: a 24-port switch with a PoE budget of 370 Watts can supply up to 15.4 Watts of power per

port on all 24 ports, meaning you can connect 24 MXNet endpoint devices on the 24-port switch.

Likewise, a 48-port switch with a PoE budget of 740 Watts can power up to 48 MXNet endpoint

devices.

2.7 Disabling EEE

EEE (Energy Efficient Ethernet) is an IEEE 802.3az standard that is designed to reduce power

consumption in Ethernet networks during idle periods.

If the third-party network switch supports EEE, be sure to disable the EEE function as it may cause

issues with system optimization in some cases.

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