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| | | Ethernet RJ45 pinouts The ANSI/EIA/TIA-568-1991 standard defines two pinouts: EIA/TIA T568A and EIA/TIA T568B. The more common standard is the T568B also called AT specification, previously called 258A. T568B is identical to T568A except that pairs 2 (orange) and 3 (green) are swapped. For 10BASE-TX and 100BASE-TX a 4 conductor cable is required for | | |
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| | | 1000BASE-TX 8 conductors are necessary. | | | | | | | | | | | | | | | Pin | Colour | Function | Function | | | | | Conductor | 10BASE-T, 1000BAS-TX | | | | 100BASE-TX | | | | 1 | WHT/ORG | Rx+ | BI_DB+ | | | | 2 | ORG | Rx- | BI_DB- | | | | 3 | WHT/GRN | Tx+ | BI_DA+ | | | | 4 | BLU | | BI_DD+ | | | | 5 | WHT/BLU | | BI_DD- | | | | 6 | GRN | Tx- | BI_DA- | | | | 7 | WHT/BRN | | BI_DC+ | | | | 8 | BRN | | BI_DC- | | | | | | | | | | | | | | | | | | | | Pin | Colour | | Function | | | | | Conductor | 10BASE-T, | | | | 100BASE-TX | | | | 1 | BLU/YEL | Tx+ | | | | 2 | YEL/WHT | Rx+ | | | | 3 | WHT/ORG | Tx- | | | | 4 | ORG/BLU | Rx- | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | Pin | Colour | Function | Function | | | | | Conductor | 10BASE-T, | 1000BAS-TX | | | | | | 100BASE-TX | | | | | 1 | WHT/GRN | Tx+ | BI_DA+ | | | | 2 | GRN | Tx- | BI_DA- | | | | 3 | WHT/ORG | Rx+ | BI_DB+ | | | | 4 | BLU | | BI_DC+ | | | | 5 | WHT/BLU | | BI_DC- | | | | 6 | ORG | Rx- | BI_DB- | | | | 7 | WHT/BRN | | BI_DD+ | | | | co | BRN | | BI_DD- | | | | | | | | | | | | | | | | | | | | Pin | Colour | Function | Function | | | | | Conductor | 10BASE-T, | 1000BAS-TX | | | | 100BASE-TX | | | | 1 | WHT/ORG | Tx+ | BI_DA+ | | | | 2 | ORG | Tx- | BI_DA- | | | | 3 | WHT/GRN | Rx+ | BI_DB+ | | | | 4 | BLU | | BI_DC+ | | | | 5 | WHT/BLU | | BI_DC- | | | | 6 | GRN | Rx- | BI_DB- | | | | 7 | WHT/BRN | | BI_DD+ | | | | 8 | BRN | | BI_DD- | | | | | | | | | | | | | | | | | | | |
| | | MDI (EIA/TIA T568A) | | | MDI-X | | |
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| | | cu | | |
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| | | 'cd Q. | | | 'ca | | |
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| | | | | | | | | | | | — | | | | | CO | | | | | | Pair | Pair | Pair | | | | n | n | n | | | | | | | | | | | | | | | | | | | | - | | | | | CO | | | | | | Pair | Pair | Pair | | | | n | n | n | | | | | | | | | | |
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| | | MDI (EIA/TIA T568B) | | | Ethernet M12 | | |
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| | | Pair 1 | | |
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| | | 'cd Q. 'Si Q. | | |
| | | CM | | |
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| | | 'cd Q. | | |
| | | CO | | |
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| | | Pair 2 | | |
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| | | Ethernet connection cables To connect two Ethernet devices, two types of cables are necessary. The 1:1-cable and the cross over cable. | | |
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| | | A 1:1 cable is necessary if a computer has to be connected to a hub or a switch. | | DIOSWITCH, DIOSWITCH IP67 and DIOSWITCH MINI detect the RX/TX conductors themselves (autocrossing). Therefore both types of cables (1:1 or cross over) can be used. | | |
| | | RJ45 connector RJ45 connector | | |
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| | | | | | | | | | | | 1 - O - | — | | — | | | | d. o _ | | | | | | | O A — | | | | | | | 4 C _ | | | | | | | o ß _ | | | | | | | D 7- | — | | — | | | | i CO | | | | | | | | | | | | | | |
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| | | | | | | | | | | | M12 RJ45, MDI | | | | 1 -F | | — | -1 | | | | 2- | —^— | — | -2 | | | | 3- | | — | -3 | | | | 4-1= | | | - 6 | | | | | | | | | | | |
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| | | Cross over cable | | |
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| | | A cross over cable is necessary if two computers have to be connected directly (peer to peer), without using a Hub or a Switch or if two Hub's or Switches have to be connected for cascading. | | |
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| | | | | | | | | | | | | | | | | | | | Maximum length for 10 Mbit/s-Ethernet 100 Mbit/s-Fast Ethernet | 10BASE-T Twisted Pair 100 m 100BASE-TX Twisted Pair 100 m | | | | | | | | | | | | | | Application classes for | | | | | symmetric copper cables | Kl. D up to 100/125 MHz Data connections: Telephone, ISDN, Token Ring CAT5 | | | | (100 Q) | Ethernet (Gigabit Ethernet), FDDI, TPDDI, 100 VG Anylan (CAT5a) | | | | | Kl. E up to 250 MHz Data connections: Telephone, ISDN, Token Ring CAT6 | | | | | Ethernet (Gigabit Ethernet), FDDI, TPDDI, 100 VG Anylan | | | | | | | | | | | | | | | | | | | |
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