Service Units Service Terminal A handheld service terminal used for uploading programs and data transfer to electronic door locks and/or safes. This service terminal synchronizes programming between the PC server and the locks and/or safes. PinKey PLUS The PinKey PLUS, a service tool for small and mid-size hotels, is an easy operating, high security device that fills all the needs of a safe service tool. Advanced options allow users to read event logs from safes, carry-out emergency openings as required and commission safes quickly and securely on site. Furthermore, the PinKey PLUS provides full password protection with up to 25 named staff passwords. PinKey PLUS security management is more secure than the traditional master key override found in other manufacturer’s systems, maintaining the high security standards that Elsafe is known for throughout the industry.