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Table 6 802 Remote Interface Description
Note 1
– For 802L or 802S models, the front panel LEDs are driven by open collector drivers
that are common to the remote control interface indicator signals. A pullup resistor is not
required to sense the remote interface voltage on these signals. The user should expect the
Active logic level (low) to be between 2 and 4V. If an external pullup resistor is added, the
Active logic level (low) voltage will be higher.
For 802-OEM models, a pullup resistor is required to sense voltage levels at these outputs.
For applications that require logic level inputs the use of an opto-isolation device is
recommended.
Figure 12 Suggested external remote interface circuit.
Summary of Contents for 802 Series
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