10Base5 (Aui) Connections - Panasonic FP2 ET-LAN Technical Manual

3.2.2 10BASE5 (AUI) Connections

AFP2790
10BASE5(AUI) connections
Connect the transceiver cable to the 10BASE5 (AUI) connector (with D-SUB 15 pins retainer) on the
front panel of the unit. After you connect it, push down the retainer to fasten the cable.
Transceiver and transceiver cable
The transceiver that you use must comply with IEEE802.3.
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According to the ratings, transceiver cable can be up to 50 m in length but considering noise resistance,
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we recommend that you keep the cable under 5 m in length.
We recommend that you use a high-reliability connector type for the transceiver.
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External power supply terminal connections
Connect the external power supply terminal on the front panel of the unit to 12 V DC power supply to
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power the transceiver cable.
Note that the internal voltage drop is 1 V (max.).
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Earth
The F.G. pin of the external power supply terminal on the front of the unit is connected to the outer
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metallic shell of the 100BASE-TX/10BASE-T connector (RJ45), or the outer metallic shell of the
10BASE5 (AUI) connector. These are also connected to the F.G. terminal of the power supply unit
through the backplane.
In an environment with a high noise level, the F.G. terminal should be grounded at a grounding
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resistance of 100 Ω or less.
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