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Repeat Steps 8 and 9 for the remaining –48RTN power return connection.
Step 10
Use a socket driver or a Phillips-head screwdriver to attach the clear cover over the fan tray
Step 11
power connections.
Attach Fan Tray Power Connections for a Single-Power Feed
Complete the following steps to attach the fan tray power connections to the fuse and alarm panel for a
single-power feed:
Step 1
Use a socket driver or a Phillips-head screwdriver to remove the clear cover over the fan tray
power connections.
Step 2
Measure enough wire (14 to 18 AWG copper solid or stranded wire) to connect each of the fan tray
power connections to the fuse and alarm panel.
Figure 18 shows the power connections from the fan tray to the fuse and alarm panel for a
single-power feed.
Figure 18
NEG
Fan tray
Use a wire stripper to remove the casing from both ends of the wires.
Step 3
Use a Phillips-head screwdriver to attach a wire to the –48VA power input connection on the fan
Step 4
tray (P1).
Attach the wire to the fuse and alarm panel NEG DC connector.
Step 5
Use a Phillips-head screwdriver to attach a wire to an RTN power return connection on the fan tray
Step 6
(P1). See Figure 18 for correct placement.
Attach the wire to the fuse and alarm panel POS RTN connector. See Figure 18 for correct placement.
Step 7
78-10158-01
Power Connections for the Fan Tray—Single-Power Feed
1 2 3 4 5 6 7 8 9 10
NEG DC
B
1 2 3 4 5 6 7 8 9 10
POS
POS RTN
_
J1
+
-48V RTN -48V RTN
P2
P1
FAN
P2
J1
Installing the Cisco 6100 Thermal Upgrade Kit
1 2 3 4 5 6 7 8 9 10
NEG DC
A
1 2 3 4 5 6 7 8 9 10
POS RTN
NEG
Cisco 6100 Thermal Upgrade Kit Installation Procedures
POS
33
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