Teldat Regesta PLC Installation Manual page 23

Teldat S.A.
Asynchronous serial connectors
Fig. 17:
These serial ports are one RS-232 and one RS-485/RS-422. They have the following characteristics:
3.5.3.2.1 RS-232
3.5.3.2.2 RS-485/RS-422
3.5.4 PLC interface
The Regesta PLC incorporates a Power Line Communication (PLC) interface. This interface allows the device to
communicate with several compatible PLC devices through the power line. PLC signal injection is made inside the
device through the power supply connector. A LED labeled "P" indicates the connection state.
PLC and power connector
Fig. 18:
Regesta PLC
(1) DCE port.
(2) Maximum speed of 115200 bps.
(3) Only the following signals are available: Rx, Tx and GND.
(4) 7 pin pluggable connector, only 3 pins on the right.
(1) 2/4 wires configurable through software.
(2) Bus termination configurable through software.
(3) Maximum speed of 115200 bps.
(4) 7 pin pluggable connector, only 4 pins on the left.
3 Components and Power Supply
19