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Important: When all parameters are selected and verified to be correct, click Save Changes at the bottom of the Link
Configuration window to save the changes. The Link Configuration window will close.
The User Port pin-out configuration can be displayed by clicking the User Port Configuration in the User Configuration
window.
Figure 45 User Port Configuration window
Pin 4 is
selectable for
CD or RSSI
output mode.
In Loader mode, the user port controls the analog radio functions. Pin 4 can be programmed to provide a Carrier Detect
(CD) output 0-5 VDC or 5-0 VDC. Pin 4 can also be programmed to output the receiver RSSI level as DC voltage allowing
it to be used for system monitoring and control.
The following table shows user interface pin functions in reference to the DL-3400 wiring and cable color code.
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3
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