MGP WRM2 Spécifications Page 18

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15-00044
Revision 5
April 2008
The publication, translation or reproduction, either party or wholly, of this document are not allowed without our written consent. 18
3.3 Meter Connectors
3.3.1 Connectors:
The DRM-1 contains three connectors:
1. 2.5 mm External power supply connector (type L712RA supplied by Switch craft, center post is
positive)
2. D
-type 9 pin female for RS232 communication port
3. D-type 9 pin male for remote display & alarm
Ground (
-
)
6 to 15v DC
(+)
1
5
7
2
3
4
9
Ground
/common
Rx
Tx
5v
2
1
2
3
4
5
6
7
8
9
Display data
Display clk
Ready
Alarm
5v
Ground /common
Ext DC
Battery backup
3
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