An interface device comprising: a housing ; a first connector configured to be exposed to outside of the housing and include a first number of pins ; a second connector configured to be exposed to the outside of the housing and to include a second number of pins ; and a circuit configured to provide an electrical connection between the first number of pins and the second number of pins , wherein the first number is different from the second number, and wherein, when the first connector is connected with a first external electronic device and the second connector is connected with a second external electronic device , the circuit is further configured to: receive , from the first external electronic device, analog identification, ID, information of the first external electronic device through at least one pin among the first number of pins , receive, from the first external electronic device, at least one of data information or power information through at least one other pin among the first number of pins , generate digital ID information based on the analog ID information by converting the received analog ID information to digital ID information, transmit , to the second external electronic device, the digital ID information through at least one pin among the second number of pins , and transmit , to the second external electronic device, the at least one of data information or power information through at least one other pin among the second number of pins . a housing ; a first connector configured to be exposed to outside of the housing and include a first number of pins ; a second connector configured to be exposed to the outside of the housing and to include a second number of pins ; and a circuit configured to provide an electrical connection between the first number of pins and the second number of pins , wherein the first number is different from the second number, and wherein, when the first connector is connected with a first external electronic device and the second connector is connected with a second external electronic device , the circuit is further configured to: receive , from the first external electronic device, analog identification, ID, information of the first external electronic device through at least one pin among the first number of pins , receive, from the first external electronic device, at least one of data information or power information through at least one other pin among the first number of pins , generate digital ID information based on the analog ID information by converting the received analog ID information to digital ID information, transmit , to the second external electronic device, the digital ID information through at least one pin among the second number of pins , and transmit , to the second external electronic device, the at least one of data information or power information through at least one other pin among the second number of pins . receive , from the first external electronic device, analog identification, ID, information of the first external electronic device through at least one pin among the first number of pins , receive, from the first external electronic device, at least one of data information or power information through at least one other pin among the first number of pins , generate digital ID information based on the analog ID information by converting the received analog ID information to digital ID information, transmit , to the second external electronic device, the digital ID information through at least one pin among the second number of pins , and transmit , to the second external electronic device, the at least one of data information or power information through at least one other pin among the second number of pins . <EOS>