SM500A—Automatic Switching System
Black Box Corporation
22
990-000-0001-E8
Table 3.1. Switching functionality as function of Power Supply/Control Card jumper settings
4. Install Power Supply/Control Card in Chassis
Install the Power Supply/Control Card in the SM500A chassis, slot 17, fastening it into
place with the supplied screws (figure 2.2).
5. Install Chassis in Cabinet
Mount the SM500A chassis within the communication cabinet.
6. Install the Power Supply
You may use for each chassis either one or two Power Modules SM531-C (115VAC) or
SM532-C (230VAC), a supply cable from an AC Redundant Power Supply SM535A, or
a supply cable from an outside supply, -48VDC per Power Supply/Control Card SM532-
C.
a. Single Power Module
Insert the Power Module connector into the power connector 1 input on the Power
Supply/Control Card for each chassis. Supply power to the chassis by plugging the
module into a power outlet. The PS1 LED is illuminated.
b. Dual Power Modules (Redundant Operation)
Insert the Power Module connectors into the power connector 1 and 2 inputs on the
Power Supply/Control Card for each chassis. Supply power to the chassis by plugging
each module into a power outlet. The PS1 and PS2 LEDs are illuminated.
c. AC Redundant Power Supply
You can connect up to eight SM500A chassis to an AC Redundant Power Supply
(SM535A).
