Member Home ACCESS CONTROL CELL & NETWORK COMMUNICATORS MONITORING CENTER CONTROL PANELS FIRE DEVICES INTRUSION DEVICES KEYPADS LITERATURE / PROMO MODULES & EXPANDERS Auxiliary Modules Expansion Modules Accessories PACKAGES AND KITS POWER SUPPLIES & TRANSFORMERS VIDEO PRODUCTS WIRELESS PRODUCTS Z-WAVE DEVICES INTERNATIONAL SEARCH  Go buy.dmp.com Log-in... log-in ID: password:	Model: 893A 893A Dual Phone Line Module The 893A installs into the panel enclosure and connects to the panel through a wire harness and phone cord. The 893A supervises the main and backup phone lines for sustained drop in voltage and alerts users with a built-in sounder and indication at the keypad and central station. (12 VDC) For use with: XR Series Panels. Please log-in to purchase.    Current Product Documentation is available at DMP.com/resources