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HouseKeeping Alarms/Commands:
According to CONGI units settings two operative mode are available:
–
2 wires mode
Four output (CPO) and 12 input (CPI) contacts for house–keeping alarms or commands are available
on the CONGI board connector, for customer applications The available house–keeping contacts are
the following:
•
HK–OUT 1 to 4: outgoing contacts
•
HK–IN 1 to 12: Incoming contacts
–
3 wires mode:
Four output (CPO) and eight input (CPI) contacts for house–keeping alarms or commands are
available on the CONGI board connector, for customer applications The available house–keeping
contacts are the following:
•
HK–OUT 1 to 4: outgoing contacts
•
HK–IN 1 to 8: Incoming contacts
Alarm Attending:
The detected SDH units alarm condition can be stored through push–button (10) on the EQUICO unit
(Attended).
This operation will turn OFF the general red LED (4) and will light up the yellow LED (6) on the EQUICO
unit (Attended); The attended command is also sent to the rack lamps (if present) through the CONGI
board.
Trouble–shooting:
The 1660SM equipment has been designed to dialog with a Personal Computer (PC) in order to service,
activate and trouble–shoot the equipment.
Trouble–shoot procedure for the equipment and details of the alarms for each card and relevant
indications are described in the Operator's Handbook.
Connection with the PC is achieved through connector (2) available on the EQUICO board.
The unit can be connected to an Operations System associated to the Transmission Management
Network in order to execute operations similar to those carried out by the PC.
Characteristics of the cited remote alarms and Housekeeping contacts interface (EM type) are inserted
in Chapter 5.1 on page 589.
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