providing a plurality of authorized devices that include at least a communication gateway of the passenger carrying system, a service tool, and a power source, and wherein the passenger carrying system comprises an elevator, escalator, or moving walkway;

monitoring a connection status of the connection port with a monitoring device that is remotely located relative to the connection port associated with the passenger carrying system;

disconnecting the connection port from the communication gateway to connect the service tool with the connection port to perform a service operation;

determining that the connection port is not connected to an authorized device of the plurality of authorized devices via the monitoring device;

determining whether at least one criterion is satisfied while the connection port is not connected to the authorized device, wherein the at least one criterion comprises at least an authorized individual being further than a threshold distance from the connection port, and an amount of time the connection port has been disconnected from an authorized device exceeds a threshold time;

providing a notice to a communication device associated with the authorized individual in response to a determination that the at least one criterion is satisfied and the connection port is not connected to an authorized device, wherein providing the notice comprises using the monitoring device to generate a message that is communicated to the communication device; and

in response to receipt of the notice, connecting the connection port to one or both of the communication gateway and the power source to provide ongoing, remote monitoring of the passenger carrying system.