ESI 41-15 PT 5 : ISSUE 2
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INTERTRIPPING OVER VOICE FREQUENCY CHANNELS
23-07-2013
12-01-2013
Specifies the dc intertripping circuits to be used at 132kV stations which use voice frequency signalling over communication circuits, including British Telecom private wire circuits. In the case of teed circuits it gives the arrangements for cascade intertripping at any end.
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