User Manual—Version 3.0 Tunnel Master
Jr. Optional Report/Receipt Printer Installation
January 2016 87
Insert the cable with the 25-pin RS-232 connector attached (supplied by
ICS) into the Relay Box. Allow excess cable outside the Relay Box for easy
access to the backside of the report printer so that the RS-232
25-pin connector
can be easily attached and r emoved.
Attach the cable to one of the two RS-232 ports in the Relay Box labeled
Gnd, Rxd, Txd and 5v as follows:
Black Gnd
White/Black Rxd
Black/White Txd
Tighten all wires on the circuit board in the relay box to 20 pound-
inches
(2.3 n-m.) Over torquing may cause enclosure breakage.
Connect the 120 VAC power supply (provided by ICS) to the dedicated 120
VAC outlet and the report printer.
Connect the 25-pin RS-232 connector to the back of the receipt printer.
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