Customizing DSX-1-Compatible Units
4-4
7914-A2-GB20-00
February 1998
Making Changes in Switchpack Mode
When operating in Switchpack Mode, you change configuration options by
moving switches on the board hardware. Each switch in the switchpack controls a
configuration parameter. To enable Switchpack Mode, refer to
Switching Between
Terminal and Switchpack Modes
on page 3-2.
Procedure
Use electrostatic discharge (ESD) protection when handling the circuit board. To
open the unit and make changes while in Switchpack Mode:
1. Power down the unit and remove the enclosure cover, exposing the circuit
board.
2. Find the switchpack labeled S4. Refer to the board layout illustration in
Appendix C,
Switchpack Definitions
.
3. Place the switchpack in the correct position for each desired configuration
option. The definition of each switch in the switchpack is also provided in
Appendix C,
Switchpack Definitions
.
4. Replace the enclosure cover and power up the board to reset and enable the
new configuration.