
Pass-Thru Port
The Commander be may be equipped with up to eight RJ12 DTE Pass-Thru ports for connection to serial
devices. RJ12 crossover cables are provided for connection along with adapters for connection to
standard RS-232C 9 and 25 pin, DTE and DCE serial ports.
For information on additional available adapters for non-standard applications, please review the
Technical Note - Data & ShutDown Adapters, Cables & Kits
on the Server Technology website.
Pin DTE Signal Name Input/Output
1 Signal Ground
2 Data Set Ready DSR Input
3 Data Receive Input
4 Data Transmit Output
5 Data Terminal Ready DTR Output
6 Signal Ground
LED Indicators
Units are equipped with a status LED for each power receptacle. A lit/on LED indicates that power is
being supplied at the port and a darkened/off LED indicates that there is no power at the port.
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Sentry Commander - PT40 Appendices • 69
Installation and Operations Manual
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