INSTALLATION MANUAL
CAA480A
Elevator Controller
Figure 8: High/Low E-BUS Impedance Jumpers:
E-BUS
A+
B-
GND
TAMPER
TAMPER
EOL JUMPER (DEFAULT "ON")
This jumper places the EOL termination of the CT-V900-A controller's E-BUS network
in circuit. If the CAA480A that you are installing is the last module on the E-BUS,
set the EOL jumper in the "ON" position. If the CAA480A that is being installed is not
the last module on the E-BUS, set the EOL jumper in the "OFF" position.
For more information on EOL termination of the E-BUS network, refer to the CT-V900-A
Installation Manual. Refer to Figure 9 for more details.
Figure 9: EOL Jumper Settings:
E-BUS
A+
B-
GND
TAMPER
TAMPER
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A
LOW HIGH
B
LOW HIGH
EOL
A
LOW HIGH
B
LOW HIGH
EOL
E-BUS Jumper Settings
Low Impedance
A
LOW HIGH
B
LOW HIGH
EOL Jumper Settings
EOL ON
EOL
High Impedance
A
LOW HIGH
B
LOW HIGH
EOL OFF
EOL