Description
XR500 Series panel terminals 7, 8, 9, and 10 are for the keypad bus. You can connect up to sixteen supervised keypads and multiple unsupervised keypads to the XR500 Series. In addition to DMP LCD keypads, you can also connect any combination of zone expansion modules to the data bus. Refer to the specific device installation sheet for the maximum number of Keypad Bus devices.
Note: Do not use shielded wire for LX-Bus/Keypad Bus circuits.
Terminal 7 – RED
This terminal supplies positive 12 Vdc Regulated to power DMP LCD keypads and zone expansion modules. Terminal 7 also supplies power for any auxiliary device. The ground reference for terminal 7 is terminal 10. The output current is shared with the smoke power output on terminal 11 and Zones 9 and 10. Current draw for all
connected devices must not exceed the panel maximum current rating.
Terminal 8 – YELLOW
Terminal 8 receives data from keypads and zone expansion modules. It cannot be used for any other purpose.
Terminal 9 – GREEN
Terminal 9 transmits data to keypads and zone expansion modules. It cannot be used for any other purpose.
Terminal 10 – BLACK
Terminal 10 is the ground reference for DMP LCD keypads, zone expansion modules, and all auxiliary devices being powered by terminal 7.
