3-14
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
OL-16447-01
Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules
Power-Supply Module Installation
Figure 3-18
Inserting Wires in the Terminal Block Plug
Step 6
Use a ratcheting torque screwdriver to torque the terminal block captive screw (above the installed wire
lead) to 4.5 in-lb (see
Figure 3-19
).
Caution
Do not overtorque the terminal-block captive screws. The recommended maximum torque is 4.5 in-lb.
Figure 3-19
Torquing the Terminal-Block Captive Screws
Step 7
Repeat
Step 5
and
Step 6
for the remaining three DC-input power source wires.
Figure 3-20
shows the
completed wiring of a terminal block plug.
1
Return (positive) Feed A
3
Return (positive) Feed B
2
Supply (negative) Feed A
4
Supply (negative) Feed B
280943
1
2
3
4
1
Torque to 4.5 in-lb
280944
1