- Tionscal an Iarnróid Railway Industry
- Teileachumarsáid Telecommunications
#5721
I gcás nach mbeidh síorfhreastal ar an mbothán comharthaí lena mbeidh na teileafóin ceangailte, beidh solas buí istigh i ngach cumhdach teileafóin nó ina n-aice, agus é insoilsithe ón mbothán comharthaí chun a thaispeáint go bhfuil an líne dúnta in aghaidh tráchta iarnróid.
If the signal box to which the telephones are connected is not continuously attended, a yellow light inside or adjacent to each telephone housing and capable of being illuminated from the signal box to indicate that the line is closed to railway traffic.