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DMS 1600, DMS 2000, DMS 3200, DMS 3600 • Maintenance and Modifications 2928 DMS 1600, DMS 2000, DMS 3200, DMS 3600 • Remote Control
Maintenance and
Modifications
This section describes repairing and reconguring the DMS matrix
switchers by replacing components. Topics that are covered include:
• Removing and Installing an I/O Board or Blank Panel
• Removing and Installing a Power Supply Module
(DMS 1600 and DMS 3600)
• Removing and Installing a Fan (DMS 1600 and DMS 3600)
Removing and Installing an I/O Board or Blank Panel
NOTES:
• For proper cooling and air ow, boards or blank panels should
be installed in all locations during normal switcher operations.
• See I/O Board Configuration Overview on page 5 to understand
the different arrangement of connectors on the I/O boards and
the rules for arranging the conguration of you switcher.
• The I/O boards are hot-swappable. You do not need to power
down the switcher to remove an I/O board.
Circuit boards can be added or removed to increase or decrease the I/O
conguration (matrix size) of the switcher. Remove and replace an I/O
board or blank panel as follows:
1. For an I/O board, disconnect any connected cables.
2. Rotate the left and right knurled knobs to completely loosen the
captive screws (see figure 14 on the next page).
3. Gently pull on the knurled knobs to loosen the board or panel from
the backplane.
4. Slide the board or panel out of the chassis.
ATTENTION: Do not touch the electronic components or the
connectors on the backplane or on the circuit boards without
being electrically grounded. Handle circuit boards by their edges
only. Electrostatic discharge can damage circuits, even if you
cannot feel, see, or hear it.
5. Place the removed board on an anti-static surface or in an anti-static
container.
6. For an I/O board, orient the board to be installed so that connector
A (of either the input group of connectors or the output group of
connectors) is on the left and connector D (of the same group of
connectors) is on the right.