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Connecting Site Power to the Fan Tray for DC-Input Systems
To provide redundancy, you may choose to connect each fan terminal block to a separate power source.
Note
Each input of the fan tray is rated 10 A @ -40 to -60 VDC.
Note
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
Warning
installation. Install only in accordance with national and local wiring regulations. Statement 1045
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
To connect the high speed fan tray to an external DC power source, follow these steps:
Step 1
Locate the terminal block covers on the fan tray. (See
Figure 11
WS- C65 00-N EB-F AN2
Step 2
The terminal block cover is held in place by two clips inserted into the fan tray front panel. Press the
bottom of the terminal block cover, lift the cover up, and remove the cover. (See
78-16162-02
Terminal Block Covers on Fan Tray
Terminal block covers
48V INPU T 1
HIG H SPE ED FAN
INPUT POWER
GOOD
RTN -48VD C GND
Figure
11.)
48V INPU T 2
FAN FAIL
INPUT POWER
GOOD
RTN -48VD C GND
Catalyst 6509-NEB Switch and Cisco OSR-7609 Router Upgrade Note
Connecting Power to the Fan Tray
Figure
12.)
15
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