GAI-Tronics 352-101 Manual - Page 9

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GAI-Tronics 352-101 Manual
Model 352-101, 352-102, 352-103, & 352-104 Div. 1 SMART Hazardous Area Telephones
3. When a Ring Relay PCBA option is present, connect incoming 120 V ac power to the TB1 terminal
block. See Figure 8.
4. Connect the external sounder or beacon to TB2, for activation with an incoming telephone call.
5. Reconnect the communication cable between the Main PCBA and Ring Relay PCBA, if
disconnected, before reattaching the front cover.
WARNING
Any external equipment connected to the Ring Relay PCBA must be rated for the
hazardous area where it will be located. Improper installation or equipment may cause a safety hazard
and consequent injury or property damage.
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Figure 8. Ring Relay PCBA
Figure 9.
Pub. 42004-455B
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