15
Catalyst 6509-NEB Switch and Cisco OSR-7609 Router Upgrade Note
78-16162-02
Connecting Power to the Fan Tray
Connecting Site Power to the Fan Tray for DC-Input Systems
Note
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.
Warning
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Statement 1045
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
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
.)
Figure 11
Terminal Block Covers on Fan Tray
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
Figure 12
.)
WS-C6500-NEB-FAN2
HIGH SPEED FAN
48V INPUT 1
RTN -48VDC GND
INPUT POWER
GOOD
48V INPUT 2
RTN -48VDC GND
INPUT POWER
GOOD
FAN FAIL
Terminal block covers
105081
