Cross Switch Data RS422 15 MB/s Latched

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Product Information

  • Type: Redundancy Switch
  • Brand: Cross Technologies
  • SKU: CRS368

Tech Specifications

Datasheet PDF


The 1582-42L provides AUTO or Manual latched relay switching between CH1 and CH2 data signals. Alarm conditions on CH1 and CH2 are either a contact closure to ground or an open (selectable). Switching logic can be selected as follows:

  1. CH1 Prime Mode - Switches from CH1 to the CH2 only if CH1 alarms and CH2 is good. Switches back when CH1 no longer in alarm or both CH1 and CH2 are bad.
  2. Latch to CH2 Mode - Latches to CH2 if CH1 alarms and CH2 is good. Return to CH1 only when Manual Reset switch is pushed or Remote Reset pin is grounded and if no alarm on CH1.
  3. Minimum AUTO switching, Initial Channel Select ( ICS) Mode - Switch stays on channel last selected by Manual or Remote selection after return to AUTO. AUTO switching occurs only if current channel alarms and other channel is clear.

On power loss and when power is applied (as alarms at power up dictate), the selected channel remains on. The Manual Select switch and (when in AUTO) contact closures to Remote Select pins, select CH1 or CH2 independent of alarms. LEDs indicate alarm and switch conditions for CH1 and CH2 and REMOTE or MANUAL operation. Redundant power supplies provided.


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