Watchdog Timer; Interrupt Jumper; Installation - Ultrak CCU-100HD User Manual

2-6
2.2.2.3

Watchdog Timer

Jumper W42 on the printed circuit board enables or disables the system
watchdog timer. Jumper W42 is IN.
2.2.2.4

Interrupt Jumper

Jumper W43 on the printed circuit board is an interrupt jumper for the
CCU's processor. Jumper W43 is OUT.
2.3

INSTALLATION

Each connector (channel or COM port) on the front panel and the rear panel of
the CCU is defined at the factory for connection to a specific equipment type.
The correct equipment must be connected to each channel or COM port for
proper system operation. The channels are not programmable for different
equipment types. Refer to Figure 2-1 for a system block diagram of the CCU-
100/HD Central Control Unit.
CAUTION
Ensure Power Is Removed From ALL
Equipment During Installation Of System
Components.