Installation Manual

The Sapling Company, Inc.

670 Louis Drive

Warminster, PA 18974

USA

P. (+1) 215.322.6063

F. (+1) 215.322.8498

www.sapling-inc.com

Outputs (3300 Only)

Green

Power

White

Reset

1 2

Intercom, paging system,

or other device

Output Relays

(IMPORTANT: Detach clock from power source before installing new circuitry. DO NOT add new circuitry

while the clock is operating)

The port block on bottom left will be called J3. Refer to the diagram for details. For J3, the ports in the

block are listed as 1-4, starting with port 1 on the bottom and port 4 on the top.

RS485 and 2-Wire Digital - Master Mode

During a loss of communication with the Master Clock, the 3300 digital clock can act as a temporary,

backup master clock for other clocks in the system. The port block on the bottom left side of the circuit

board will be called J7. Refer to the diagram for details. For J7, the ports in the block are listed as 1-4,

starting with port 1 on the left and port 4 on the right.

Brown

Purple

J7-4 J7-3

Input A

Input B

Converter

Box