Dell Latitude 7220EX Service Manual page 67

6. Flip the cables and lift the rubber grommet to release the DC-in and serial port from the system chassis.
NOTE: Rubber grommet ensures to secure the micro serial port cable from damage.
Installing micro serial port and power connector port
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the micro serial port and power connector (DC-in) port and provides a visual representation
of the installation procedure.
Steps
1. Insert the DC-in port and micro serial port into the slot on the chassis.
2. Replace the (M2x5) screw that secures the DC-in port and serial port to the system chassis and align the rubber grommet
to slide in the channel .
3. Align the metal brackets that secure the ports on the system chassis.
4. Replace the four (M2x5) screws and two (M1.6x5) screws that secure the metal bracket to the system chassis.
5. Connect the serial port cable into the connector.
6. Close the latch to secure the serial port cable to the system board.
Field service information 67