GAI-Tronics WCB104 Wireless Call-Box Installation Guide - Manual (Page 5)

Pub. 42004-327A
Model WCB104 Wireless Call Box Installation Guide Page: 5 of 10
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Wiring
Refer to Figure 5 below:
1. Terminate the supplied TNC coaxial connector on the RG-58 coaxial cable as outlined in the antenna
installation guide provided with antenna. Plug into the TNC socket connector.
2. Terminate the ringer wiring onto the ringer using 0.25-inch fast-on connectors.
Observe polarity:
• (+) Orange
• (–) Black
Apply protective coating (RTV, or equivalent) to terminals to protect against the environment.
3. Insert a 18011-001 Ferrite Bead over the OR and BK ringer wires. Slide the bead to the point at
which the wires enter the enclosure. Loop the OR and BK wires through the bead 2 times. Terminate
ringer wiring to TB1-1 (-) and TB1-2 (+) on the call box PCBA.
Figure 5. View of Call-Box PCBA and Connector Locations