Sentry Industries PT40 User Manual download pdf (Page 59)

Pass-Thru Port

The Sentry is equipped with four 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 Data &

ShutDown Adapters, Cables & Kits on the Server Technology website - Tech Library, Technical Notes.

Pin DTE Signal Name Input/Output

1 Signal Ground

564321

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

Sentry is 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.

Sentry Commander - PT40 Appendices • 55

Installation and Operations Manual Technical Specifications

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Sentry Industries PT40 User Manual Page 59