System Hardware and Installation Tunnel Master
Jr. User Manual—Version 3.0
38 January 2016
RELAY BOX JUMPER SETTINGS
The following figure and table will explain the location and purpose of the
various jumpers on the Relay Box circuit board. This board is located on the
inside of the Relay Box door. The following picture shows the location of the
various jumpers, switches,
and controls.
Figure 16. Relay Jumper Box Settings
Contrast Control
for front of box
LED display
DIP Switch
SW1 Circuit Board
Reset Button
JP6
JP2
JP5
JP4
JP3
JP8
JP9
JP7 JP10 JP11
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