![](/images/new-backgrounds/1186300/18630067x1.webp)
8.6 Termination Resistors
Line termination resistors are provided for the input signals of each of the
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| RXD+ | AUXIN+ | ||
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Rt | ||||||
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| RXD- | AUXIN- | |||
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Jumpers
3 | 3 | 3 |
2 | 2 | 2 |
1 | 1 | 1 |
no termination | ||
| (100 ohms) | (120 omhs) |
(factory default)
Figure 25 --- RS-422/485 Line termination resistance values
Quatech | 34 |