ABB NE840 User Manual
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Contents
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Ethernet TXElectrical specificationData rateDuplexCircuit typeTransmission rangeIsolation toConnectionShielded cableSlot 3121314151617181910/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX port10/100 Mbit/s, TX portConductive housingIEEE std 802.3. 2005 EditionSlot 1 and 2: 10 Mbit/s, 100 Mbit/s, 1000 Mbit/s, manual or autoSlot 3: 10 Mbit/s, 100 Mbit/s manual or autoFull or half, manual or autoTNV-1Up to 150 m with CAT5e cable or betterAll otherRJ-45 auto MDI/MDI-XNot required, except when installed in Railway applications assignalling and telecommunications apparatus and located close torails*YesSection 2 Interface specificationsTX Ports: Slot 1 and 2: 10/100/1000 Mbit/s, Slot 3: 10/100 Mbit/s* Note: Railway installation close to the rails. To minimise the risk of interference, a shielded cable is recommended whenthe cable is located inside 3 m boundary to the rails and connected to this port. The cable shield should be properlyconnected (360°) to an earthing point within 1 m from this port. This earthing point should have a low impedanceconnection to the conductive enclosure of the apparatus cabinet, or similar, where the unit is built-in. This conductiveenclosure should be connected to the earthing system of an installation and may be directly connected to thefunctional earth. Refer also to Safety section.3BSE080639 15 |
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