DHD Power Cruiser MADI 52/XR User Manual

Page 15

Series 52 - 52/XR MADI Router Manual

Specifications and design are subject to change without notice. The content of this document is for information only. The information presented in this document does not form part
of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use.
Publication thereof does neither convey nor imply any license under patent rights or other industrial or intellectual property rights.

Redundant wiring of Communication Controller modules in 52/XR MADI

Router frames.

Under normal circumstances the module on slot 2 is the master and the module on slot 19 is the slave. If the module on
slot 2 drops out, the module on slot 19 becomes master. After you have plugged a functional module to slot 2, this module
not directly becomes master. Not until something happens that makes it necessary or useful to swap the controller priority
(e.g. the module on slot 19 drops out, the device is switched off and on or the firmware is restarted), the master state is
assigned to the module on slot 19. In the DHD Communication Server and the DHD Connection Dialog of the Toolbox5, the
slave controller is marked with an dollar symbol ($) in front of the Device ID. Furthermore, you can find an information in
the Maintenance window, if an controller is running as master or slave. Press the F7 key in the Toolbox5 software to
open the Maintenance window. Mark the desired controller in the list on the left hand side of the window and choose
Firmware

. The entry Running as in the main section of the window shows the respective state of the controller (