Lumel P30U series - Page 117

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DescriptionoftransducerRJ45socketLEDs:
yellowLED–switchedonwhenthetransducerisproperlyconnec-
tedtotheEthernet100Base-Tnetwork,switchedoffwhenthetrans-
ducerisnotconnectedtothenetworkorisconnectedto 10-Base-T
network
green LED – Tx/Rx, switched on when the transducer transmits
and receivesdata, flashes randomly,whenno data is transmitted
itisconstantlyswitchedon
To connect the transducer to network, the following twisted pairs are
recommended:
U/FTP–eachtwistedpairfoiledseparately
F/FTP–eachtwistedpair foiledseparatelyandadditionallycable
foiled,
S/FTP (earlier  SFTP) – each twisted pair foiled separately
andadditionallycablebraided,
SF/FTP (earlier  S-STP) – each twisted pair foiled separately
andadditionallycablefoiledandbraided,
Twisted pair according to European standard EN 50171,
at minimum: class D (category 5) – for fast local networks, includes
applications operating at up 100 MHz frequency bandwidth.
Theconnectiondescriptionhasbeenprovidedintable44.Usecategory
5STP (shielded) twistedpair cabling with RJ-45connector with color
conductors(accordingtotable44)meetingthefollowingstandard:
EIA/TIA 568A for both connectors using the straight connection
oftheP30Utothenetworkhuborswitch,
EIA/TIA 568A for the first connector and EIA/TIA 568B
for the second connector using the crossover connection, used,
amongothers,inthecaseofdirectconnectionoftheP30Utrans-
ducertothePC.
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