CCITT Rec. M.1120 (11/1988) � FUNCTIONS, MAINTENANCE RESPONSIBILITIES AND MAINTENANCE FACILITIES OF A COAST EARTH STATION FOR TELEPHONY SERVICES
1 General functions
2 Maintenance responsibilities
    2.1 Coast earth station
    2.2 Circuit control and sub-control stations
    2.3 Advice of ship earth station fault conditions
3 Test facilities
    3.1 Access points
    3.2 Test facilities for the maritime satellite circuit
    3.3 Test facilities for circuits to the international switching centre
4 Telecommunication facilities for maintenance purposes
References