HESC-T-007 series RS-232 extender can extend the communication distance of two asynchronously communicating RS-232 devices to a maximum of 1.2 kilometers at the same time. Due to the adoption of lightning protection technology, the RS-232 equipments at both ends are completely protected from surge interference damage, which significantly improves the reliability and stability of the communication system. At the same time, due to the change of the original single-ended transmission method of the RS-232 interface, the use of twisted pair transmission greatly improves the communication distance. In the field of asynchronous RS-232 point-to-point communication of own dedicated wires, HESC-T-007 can be used to meet the needs of interface protection or distance extension.

HESC-T-007 is small in size and does not have high requirements for wires. It can use ordinary network cables or 8-core twisted pairs, preferably shielded wires. It can be directly plugged into the RS-232 interface of the device and is very convenient to use.

HESC-T-007 series products have been widely used in point-to-point RS-232 communications, connection between multi-user terminals and hosts, RS-232 remote control systems, program-controlled switch billing terminals, and satellite receivers.