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Installing the Equipment
1 5
6 9
2.7.9 Alarm Connector and Relay
The alarm relay connector has a summary relay. The
summary relay is activated whenever the unit detects an
alarm, or the power is switched off.
Table 2.11 Alarm Connector
ALARM RELAY
Item Specification
Connector type
9-way, D-type, Female for the summary alarm
relay
Connector
designation
ALARM RELAY
Pin-outs Pin 1 - Open
Pin 2 - Open
Pin 3 - Open
Pin 4 - Relay 1, common pin
Pin 5 - Open
Pin 6 - Open
Pin 7 - Open
Pin 8 - Relay 1, Normally Closed (Open on
Alarm)
Pin 9 - Relay 1, Normally Open (Closed on
Alarm)
1 5
6 9
2.7.10 RS-232 Low-speed Asynchronous Data Output
A 9-way, D-type female connector provides a asynchronous
low-speed data serial communications interface. The status
of the data output on this connector is given in the Data
Menus (Menus 3.4 and 3.5).
Table 2.12 RS-232 Low-speed Data
DATA
Item Specification
Connector type 9-way, D-type, Female
Connector
designation
RS-232 Data Out
Standards RS-232 DATA
Configuration DCE
Pin-outs
Pin 1 - Reserved
Pin 2 - Receive Data Output (RxD) (RS-232)
Pin 3 - Reserved
Pin 4 - No connection
EN/LZT 790 0003/2 R1A
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