ADM3483/ADM3485/ADM3488/ADM3490/ADM3491

Rev. B | Page 15 of 20

LINE LENGTH VS. DATA RATE

The RS-485 and RS-422 standards cover line lengths up to 4000 feet. For line lengths greater than 4000 feet, see Figure 36.

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Figure 32. ADM3483/ADM3485 Typical Half-Duplex RS-485 Network

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Figure 33. ADM3491 Typical Full-Duplex RS-485 Network