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VHLC Level Crossing devices may be monitored by intercepting the pre-existing RS232 monitoring link as shown below:
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Info |
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Connection of the S-LX system is via a monitoring port. The VHLC system may remain in service during installation. |
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...
VHLC Level Crossing devices may be monitored by intercepting the pre-existing RS232 monitoring link as shown below:
...
Info |
---|
Connection of the S-LX system is via a monitoring port. The VHLC system may remain in service during installation. |
...