BOSCH SECURITY SYSTEMS B5512-DP-920 Intrusion Alarm System Control Panel Kit, Includes B5512 28-Point Control Panel/B11 Small Enclosure/B430 PSTN Communication Module/B920 Keypad/CX4010 Transformer - Nexlar E-Commerce
BOSCH SECURITY SYSTEMS B4512-C-930 Intrusion Alarm System Control Panel Kit, Includes B4512 28-Point Control Panel/B10 Medium Enclosure/B930 Keypad/CX4010 Transformer - Nexlar E-Commerce
How to clear faults on Bosch Solution 2000 & 3000 - YouTube