3405 Frame Manual
3405FR Series Fiber Optic SFP Frame
Revision 2.3
3405FR Series - 7
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+
Ground
4
1
3
2
Figure 2-4: DC Power Connector to Frame and 3405PS-6
2.1.1. Connecting a Redundant Power Supply
An external redundant power supply (a second model 3405PSX or the backup tray of the 3405PS-6) is
available to supply power in case of a failure in the main power supply. To provide further redundancy,
the 3405PST is redundant to each other. DC inlet #1 corresponds to both 3405PST power supply trays.
The same is true for DC inlet #2.
Power should be applied by connecting a 4 PIN XLR power supply cord to the power entry module on the
rear panel (12V DC IN #2).
Figure 2-5: Locating the External 12V DC Power Connector
2.1.2. Connecting the 1RU Power Supply Tray (3405PS-6/+PS-6 option)
The 3405PS-6 tray holds two auto-ranging external power supplies that automatically sense the input
voltage over the range of 100 to 240 VAC. AC Power will need to be applied to both power inlets to
ensure redundant operation of the 3405PS-6 power supply tray and the 3405FR series frame it is
connected to.