ABB RELION RET670 - Page 963

LinkForwarded is used to configure the LDCM to merge the inter
-trip and block
signals from another LDCM-receiver. This is used when the analog signals for the
LDCM-transmitter is connected to the receiver of another LDCM.
1MRK 504 163-UUS A Section 22
Remote communication
Transformer protection RET670 2.2 ANSI 957
Application manual