Specific Troubleshooting Examples; System Block Diagram - Clear-Com ECLIPSE MEDIAN MATRIX Instruction Manual

Frame and circuit cards
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INTERFACE TO
GPI/RLY &
2/4 WIRE
INTERFACES
INTERFACE MODULE BACKPLANE
6 - 8

Specific Troubleshooting Examples

The following examples describe specific problems and suggested
solutions.
Problem: A port light on a port card does not illuminate,
although there is a panel attached to that port.
1. Check the panel and the wiring leading to it.
2. Check the Frame Data light. If there is no indication of matrix
communication to this card while the other cards in the matrix are
communicating, reset the card.
3. Replace the card.
4. Replace the panel.
Problem: Audio sounds low or distorted from a panel.
1. Check the matrix's currently active CPU card's power lights. If any of
the lights are not lit, replace the card.
2. Check the port card's input and output gain settings in the program
software.
3. Check the panel's listen-level adjustment settings in the program
software.

SYSTEM BLOCK DIAGRAM

LAN1, LAN2,
GPI, GPO, GPI/RLY,
RS232 SERIAL &
ALARM INTERFACES
CONFIG
REAR
CARD
CONFIG
CONFIG
CARD
CARD
Figure 6-1: System Block Diagram
ANALOG
STATION
INTERFACES
E-Que
MVX16A
MVX16A
rear card
REAR
REAR
CARD
CARD
(optional)
MAIN BACKPLANE
E-Que
front card
MVX16A
MVX16A
CARD
CARD
(optional)
POWER
POWER
SUPPLY
SUPPLY
CONN
CONN
Fibre-Net
rear card
(optional)
Fibre-Net
front card
ALARM
PSU
PSU
(optional)
CARD
Vitec Group Communications
Eclipse Median Instruction Manual

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