Cisco 10720 Configuration Guide - Page 166
Connecting the Power Connectors to the Main Board, Step 4
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Removing and Installing the AC or Dual DC Power Supply Chapter 5 Maintaining the Cisco 10720 Internet Router Figure 5-46 Connecting the Power Connectors to the Main Board c a b 57978 a 2-pin +/-12V connector b 6-pin connector c 4-jack harness Step 4 Step 5 Step 6 Step 7 Reconnect the following power connectors to the main board: (See Figure 5-46.) a. 2-pin +/-12V connectors b. 6-pin connector c. 4-jack harness Turn the router so that you face the rear panel, and then reinstall the three mounting screws. (See Figure 5-39 for the AC power supply and Figure 5-40 for the DC power supply.) Replace the router cover. (See the "Removing and Installing the Router Chassis Cover" section on page 5-13.) To connect the AC power supply, go to Step 8. To connect the DC power supply, go to Step 7. Connect the DC power supply in the following order: a. Insert the safety ground (green wire) into the terminal block ground connector and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 5-47.) b. Insert the +48 VDC wire (white wire) into the terminal block positive connector (+) and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 5-47.) c. Insert the -48 VDC wire (black wire) into the terminal block negative connector (-) and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 5-47.) Note Verify that the power supply leads are secured with a cable tie on the DC power supply. 5-44 Cisco 10720 Internet Router Installation and Configuration Guide 78-13062-10