Figure 2: Controller’s Jumper Locations
8
INSTALLATION MANUAL
JUMPER SETTINGS
As shown in Figure 2 there are nine jumpers used to set some of the controller’s operating modes.
BATT ON/OFF
When the jumper is on, the controller enables the RAM and RTC battery backup (default = off). Once the
controller is installed, the jumper must be on for correct operation. If you are required to replace the 3V
backup battery, we recommend that you set the jumper to off until the the battery is replaced. Note however,
if a complete power loss occurs, the time and date as well as all controller programming will be lost.
EOL (CONTROLLER NETWORK)
Places the EOL termination of the main controller network in circuit (default = off). Jumper should only
be on when the controller is the last controller in the network as demonstrated in Figure 3.
Figure 3: Sample EOL Jumper Settings
12V/24V (LOCK #1)
Selects the output voltage of the “LK1+” terminal when the Lock#1 relay is active (default = 12V). When
the jumper is on pins 1 & 2 the output will be 12V. If the jumper is on pins 2 & 3 the output will be 24V.
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Summary of Contents for CT-V900
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