... -lit display; 3. 2-wire communication; Addressable Fire Alarm Control Panel JB-QBL-2100 Introductions:The ... addressable fire alarm control panel is a dual ... detector, module, manual call point, horn, strobe ,hydrant has its own independent address, the fireman or ... in conventional system. The JB-QBL-2100 series addressable fire alarm control panel is an advanced, ...