Main Circuit Board Terminal Description - DKS 1816 Owner's Manual

Telephone intercom system
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2.4 Main Circuit Board Terminal Description

Terminal
1
2
3
4
5
Decoder Board Connection. Decoder boards are required with 1816 systems that use more than 5 relay
boards.
6
7
8
9
10
Postal Switch – A switch closure across terminals 11 and 24 will cause the relay on the 1885 board to
11
activate for its programmed strike time.
12
Doorman / Concierge Telephone
13
Doorman / Concierge Telephone
14
Lobby Panel Entry System or Telephone
15
Lobby Panel Entry System or Telephone
16
Central Office Phone Line (Optional)
17
Central Office Phone Line (Optional)
18
Earth Ground
19
Relay Normally Closed (NC) Contact
20
Relay Normally Open (NO) Contact
21
Relay Common Contact
22
Not Used
23
16 VAC Main Cabinet Power Input
24
Low Voltage Common
1816-065-L-11-14
Description
Page 23

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