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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
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4
1 Torque to 4.5 in-lb
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