The standard abbreviation for transmit or transmitter. In physical cabling, it refers to the specific wire pair or optical fiber carrying data away from a device. In radio, it denotes the transmitting equipment or the act of broadcasting. Technicians rely on clear TX and RX labeling to ensure proper cross-connections between devices.
Heard on the job
Make sure you roll the fiber so the TX on the switch connects to the RX on the router, or the link will never come up.
Also heard as
- transmit
- transmitter
Do not mix it up with
- Receive: TX is the outgoing transmission, while receive (RX) is the incoming signal.