DELL Latitude E-Docking Spacer Customer Kit, 19.81 cm x 6.935 cm x 1.636 cm
Why do you need a Docking Spacer?
If you encounter issues when docking your system and your system’s docking connector is towards the backend, then you must install the docking spacer on the port replicator.

How to install the docking spacer?
Place the docking spacer on the port replicator, until the docking spacer clicks into place.

Compatibility List Systems
Latitude 7240
Latitude 7440
Port Replicator
Dell Advanced E‐Port II Replicator
Dell Simple E‐Port II Replicator
Overview

The docking connector for most of the Latitude E‐series systems is towards the middle of the system’s backend. But, for specific Latitude notebooks, the docking connector is located towards the edge of the backend of the system. Docking spacer is required to dock your system in the right position. This product is tested and validated with Dell systems and port replicators. It is recommended that you use the docking spacer only for systems mentioned in the compatibility list.