Ericsson TT1222 Betriebsanweisung Seite 36

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Seitenansicht 35
Installing the Equipment
Table 2.5: RS-232 Low-speed Data Connector
Item Specification
Connector type 9-way D-type, Female
Connector
designation
RS232 DATA
Output rate
75, 110, 150, 200,300, 600, 1050, 1200, 2400, 4800, 9600, 19200,
38400, 57600 or 115200 baud selectable
Pin Function
1 Reserved
2 Data Transmit (Tx) - data output
3 Data Receive (Rx) - data input
4 Reserved
5 Ground
6 Reserved
7 Reserved
8 Reserved
Pin-outs
9 Reserved
2.6.3.8 Alarm Relay/General Purpose Output
A 9-way D-type female connector is provided as an alarm/
controlled relay mechanism.
The TT1222 has a configurable alarm contact closure. The alarm is activated
following the occurrence of an alarm condition. It is possible to control the alarm
conditions via a user interface.
In addition, the TT1222 supports five configurable general purpose output pins.
These are also controllable via the user interface.
Table 2.6: Relay/GPO Pin Allocation
Parameter Specification
Relay 1, Open on
alarm
Pin 9
Relay 1, common Pin 4
Relay 1, Closed on
alarm
Pin 8
GPO 1 Pin 1
GPO 2 Pin 2
EN/LZT 790 0002/2 R1A
2-14
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