CM9760-DFL Card Guidelines
The following guidelines apply to the
•When used in the
–Up to 16
–The
•When used in the
•When installing a new card, termination jumpers must be set in the proper position: terminated or unterminated.
POWER SUPPLIES
The following power supplies are available for the matrix bay:
•For the
•For the
The default configuration of the matrix bay consists of one power supply in the upper power supply slot (refer to Figure 55). A blank plate covers the unoccupied lower power supply slot.
The matrix bay is shipped from the factory with one or two power supplies installed as ordered. If a unit is equipped with two power supplies, one power supply acts as a backup power supply and provides power redundancy to the unit if the other power supply fails.
+10V
FRAME SUPPLY FAULT FAULT
POWER SUPPLY
POWER
SUPPLY
BLANK PLATE FOR UNOCCUPIED POWER SUPPLY SLOT
Figure 55. Matrix Bay Power Supply
As illustrated in Figure 55, a power supply contains the following LEDs:
•+10V: Lights green to indicate that the +10 VDC power source is functioning properly.
•-10V: Lights green to indicate that the –10 VDC power source is functioning properly.
•Frame Fault: Flashes red to indicate that the
•Supply Fault: Lights red to indicate that the power supply has failed.
In addition, note the following about the power supply:
•The power supply provides an audible alarm that operates in conjunction with the Fault LEDs located on the front of the power supply. For information about enabling and disabling the alarm, refer to Enabling/Disabling the Power Supply Alarm in the
•The rear of the matrix bay provides a power switch, power input receptacle, and power supply input fuses for each of two power supplies. For information about replacing a fuse, refer to Replacing a Power Supply Fuse in the
C1572M (9/05) | 101 |
