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4.6 Ring Pin
1. The ring pin is labeled RING on the control board. This shorting pin must be installed to
allow the system to answer any calls placed to it. If remote programming or remote relay
operation is to be used, the shorting pin must be installed. Removing the shorting pin will
cause the system to never answer any call placed to it.
4.7 Relay 2 Contact Pin
1. This shorting pin sets the contacts on relay number two to be set to either Normally Open
(NO) or Normally Closed (NC). The pin is set to NO from the factory.
4.8 Auto – 1816 Pin
1. This shorting pin sets the system to operate as a stand-alone unit (AUTO), or to interface
with the 1816 Telephone Intercom System. The pin is set to AUTO from the factory.
4.9 HF – HS Pin
1. This shorting pin is located in the lower left hand corner of the circuit board. For Hands
Free (HF) operation, the shorting pin is placed on the HF pins. For a system with a Hand
Set (HS), the shorting pin is placed on the HS pins. The pin is set to HF from the
factory.
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