www.securitymagazine.com/articles/77732-intrusion-detection-sitting-on-the-fence

Intrusion Detection

January 20, 2003
From Senstar-Stellar, there are features to its IntelliFIBER fence intrusion detection product line: a 4-core fiber version with integrated power cabling, known as the 4+2 configuration, for detection, communications and power distribution all on the same cable. Communications are done securely with the sensor cable and no extra installation for communications.