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Installing the Cisco NCS 4216
Step 2
Position one of the brackets against the chassis side, and align the screw holes.
Step 3
Secure the bracket to the chassis with the screws removed when performing Step 1 . The recommended maximum torque
is 28 in.-lb (3.16 N-m).
The A907-FAN-E fan tray with filter (A907-FAN-F) cannot be mounted using the mounting screws that are supported
for fan tray. This is not an issue with the FAN tray filter blank panel (A907-FAN-F-B). We recommend that you use the
short screws provided in the following rack mount kits to avoid interference of the air filter during rack mounting and
while replacing the fan tray with the fan tray filter (A907-FAN-E):
• 23" rack mount kit (A907-RCKMT-23IN)
What to Do Next
Repeat Step 2 and Step 3 for the other bracket.
Installing the Air Plenum (A907-F2B-AIR) in the Rack
This procedure installs the air plenum to orient the air flow in front-to- back direction in the NCS 4216 router.
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1074
Warning
This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal
use. Statement 39
Note
For nominal voltage of -60 VDC, the input voltage range is from -40 to -72 VDC.
Use only the fastening hardware provided with the NCS 4216 to prevent loosening, deterioration, and
Note
electromechanical corrosion of the hardware and joined material.
When installing or replacing the unit, the ground connection must always be made first and disconnected
Warning
last. Statement 1046
The Air Plenum is installed on a rack or a cabinet using thread-forming screws that remove any paint or
Warning
non-conductive coatings inside the hole threads, and establish a metal-to-metal contact. Also, clean both
surfaces outside the screw points that come in contact, so that they are free of paint and other nonconductive
coating. Apply an appropriate antioxidant compound to the surfaces.
Installing the Air Plenum (A907-F2B-AIR) in the Rack
Cisco NCS 4216 Hardware Installation Guide
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