Four T1 network interfaces (two of the T1's can be configured for DSX-1 applications)
1 KHz and 6 KHz Vertical stacking for power growth in 120-watt multiples Low impedance output connection for 4 and 8 ohms speakers 25/70 volt isolated output for multiple speaker installation
UPPER & LOWER
Operation temperature: 0 - 60°C (32 - 140°F)
Valcom IP Text Sign with Speaker and Flashers, 7-Color, Double-Sided, 20-Inch Wide, Metallic, Part# VL522M-F-FC door hardware Four T1 network interfaces (twoThe quality Valcom VL522M F FC IP Text Sign with Speaker and Flashers, 7 Color, Double Sided, 20 Inch Wide, Metallic full color provides high quality voice paging, intercom, clock, and customizable visual notification in an all in one IP endpoint. Perfect choice for indoor spaces such as hallways, corridors and open areas. The VL522M F FC IP Double Sided Text Sign with Speaker and Flashers has easy to read displays capable of single or dual line text,