One Tough1101 line balance unit must be installed near the approximate electrical center of each TOUGHPHONE system; it optimized the page and party lines by providing a balance load thereby eliminating hum, noise and feedback on the system.

Key parameter:
Model：Touh1101

Location：Indoor/outdoor

Installation: rack mounted，wall mounted

Power supply：AC220V, 50/60Hz
Operating current：≤1A
Power consumption ： ＜10W