Cross Switch DC-2.5GHz Dual Independent

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Product Information

  • Type: Redundancy Switch
  • Brand: Cross Technologies
  • SKU: CRS385

Tech Specifications

Datasheet PDF


The 1582-725 RF Switch has two independent switches (A and B) in a single 1 3/4” chassis. Each switch provides Auto, Manual, or Remote relay switching between CH1 and CH2. Alarm conditions on CH1 and CH2 are detected if a contact closure (to ground or an open, selectable) occurs. Switching logic can be selected as follows:

  1. CH1 Prime Mode - Switches from CH1 to CH2 only if CH1 alarms and CH2 is good. Switches back to CH1 when it is no longer in alarm or when both CH1 and CH2 are in alarm.
  2. Latch to CH2 Mode - Switches from CH1 to CH2 if CH1 alarms and CH2 is good. Latches to CH2. Push Reset or ground Remote Reset pin to return to CH1 if it has no alarm or both CH1 and CH2 are in alarm.
  3. Minimum Auto switching, Initial Channel Select (ICS) Mode - Switch stays on channel last selected by Manual or Remote selection after return to Auto if both channel alarms are clear or both channels are in alarm. Auto switching occurs only if current channel alarms and the other channel is clear. Factory set mode is generally (1) CH1 Prime Mode.

When power is first applied and there are no alarms, CH1 is selected. On power loss CH2 is the selected channel. The Manual Select switch and contact closures to Remote Select pins (when in Auto), select CH1 or CH2 independent of alarms. LEDs indicate alarm and switch conditions for CH1 and CH2, REMOTE or MANUAL operation, and power on. RF connectors are BNC, female. Contact closure inputs and outputs are via barrier strip. Dual power supplies provide redundant power to the 1582-725. Chassis is a 1 3/4” rack mount.


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