TimeForce II Hardware Guide
175
Installing a Bell/Buzzer
Figure HARDWARE-1: ETC Configuration
Connecting the Bell/Buzzer and Power
Source
1.
Lay the motherboard on a flat, secure surface with the electronic
components facing up. The relay connection is on the lower left
corner of the motherboard.
2.
Loosen both screws on the top of the relay connection.
NOTE:
Ensure that the electrical wires are not live. Serious
injury or death can result from coming in contact with live electri-
cal wires.
3.
Locate the three bell wires. One is the ground wire, one is the
power source positive wire, and one is the power source negative
wire. See Figure HARDWARE-2.
Содержание ETC 100
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