noun
sender; sending side; transmitting entity
Technical computing term for the party or device that sends data, as opposed to the receiver (受信側).
送信側でデータを暗号化してから送ります。
The sender encrypts the data before sending it.
通信エラーが発生した場合、送信側が再送を行います。
If a communication error occurs, the sending side will retransmit.
Refers specifically to a person who sends something, while 送信側 can refer to a device or system as well.
Compound of 送信 (transmission) + 側 (side). A straightforward technical term formed from standard Sino-Japanese elements.