A new 16 line Master Controller for use with our SigTEL disabled refuge, fire telephone and stadium marshallingsystem. Allows operators to communicate with up to 16disabled refuge or fire telephone outstations. Includes an attractive semi-recessed handset. Improved SigTEL networking capability allow systems of up to 224 lines to be created with optional/additional desk unit control. Backlit LCD and unique auto-learn facility allows fast system set up. Can be semi-flush mounted using an EVC385 bezel. Operation can be maintained for 24 hours (standby) and 3 hours (in use) using 2 x 12V 7 Ahr batteries. Easily interfaced to NC951 accessible toilet alarms, PDA range hearingloop systems, strobes, CCTV activation relays, etc.