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RTS RVON-I/O Release Notes

Digital matrix intercom systems
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Table of Contents

See also: User Manual
RVON-I/O
Release
Notes
RIO - Rev A 3/2006

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Summary of Contents for RTS RVON-I/O

  • Page 1 RVON-I/O Release Notes RIO - Rev A 3/2006...
  • Page 2 D i m , M U ~ ~ X intercom systems I N I...
  • Page 3 Since the release of the RVON-I/O card, a few issues have surfaced pertaining to the original card. This document covers these issues and how to fix the existing RVON-I/O board to solve these issues. Issues Crosstalk on the same channel. The output to the matrix is being heard on the channel’s input. When the RVON-I/O GPIO is connected to a dual Master Controller in an Adam chassis, the RVON-I/O GPO is not able to drive both MCIIe GPI.
  • Page 4 Issues Crosstalk on the same channel The output to the matrix is being heard on the same channel’s input. The input to the Codec need to be AC coupled. To fix the crosstalk on the same channel, you must remove 16 resistors (150Ohm) - R12, R14, R17, R18, R324 - R327, R355 - R358, R402 - R405 and replace with 16 capacitors (part number 102881-880, 0.47 uF 16V) in R12, R14, R17, R18, R324 - R327, R355 - R358, R402 - R405.
  • Page 5 When the RVON-I/O GPIO is connected to an ADAM frame with Redundant Controller Cards Installed, the RVON-I/O GPO is not able to When the RVON-I/O GPIO is connected to an ADAM frame with Redundant Controller Cards Installed, the RVON-I/O GPO is not able to drive both MCIIe The GPO transistor can’t handle the current load for a dual Master Controller chassis.
  • Page 6 Issues When the RVON-I/O is connected to a Master Controller in a Cronus chassis, is not able to drive the Cronus GPI The Cronus Master Controller backcard will go from 9030-7788-001 Rev A to 9030-7788-001 Rev B NOTE: NOTE: These instructions are also detailed in the Cronus Release Notes CRN-Rev. E or later. The RVON-I/O’s voltage drop across the GPO output resistor is too large for the Cronus photo coupler GPI.
  • Page 7 When the RVON-I/O is connected to a Master Controller in a Cronus chassis, is not able to drive the Cronus GPI On the Cronus MC Back card, remove the 3K resistors (R11 through R14). Replace with 470 Ohm resistors (part number 102513-471). Cronus board resistor placement.
  • Page 8 Issues...

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