User's Manual

TSR-UL-0061-1.3
CHAPTER 3 : Wiring the Terminal
12
3.2 The Main Board
The front PCB contains the main electronic components of the terminal; it is also where the
Ethernet cable must be connected. Any connections not labelled are not evaluated by UL
and are not to be used in UL installations.
Figure 9 Illustration of the front board
A. Reset button
L. Tamper
switch
C. PoE Indicator
LED
J. Network
link speed
LED
I. Ethernet
activity LED
H. Battery
backed clock
link
F. Ribbon
connector to
the I/O board
G. 12VDC

power LED
D. RJ45
B. Processor
board
K. Lithium
battery
E. Chassis
grounding
post
Component Description
A. Reset button Used to hard reboot the terminal.
B. Processor board The terminal processor board.
C. PoE Indicator LED PoE has not been evaluated by UL.
D. RJ-45 connector Used for ethernet communications and also for Power over Ethernet when
being used.
E. Chassis grounding post Chassis ground, to be tied to earth ground when testing the terminal.
F. Ribbon connector Links the front PCB to the I/O PCB.
G. 12V power LED
Red indicates 12VDC
power is being supplied to the board
H. Battery backed clock link This link is fitted at the factory. If it is removed, the terminal will not store the
current time & date; card transactions may fail due to a time/date mismatch.
I. Ethernet activity LED Flashing green indicates ethernet activity
J. Network link LED Orange indicates 100baseT connection speed. Unlit indicates 10baseT
connection speed.
K. Lithium battery Real time clock battery. The battery is not a serviceable part.
L. Tamper switch Used to trigger an alarm when the case is opened.
Table 8: Description of front board components