February, 2019
eMAX-LP1502-Man
Page 6 of 20
Jumpers and Jacks:
The eMAX-LP1502 processor hardware interface is configured using jumpers to setup the reader port
power and end of line termination.
JUMPERS SET AT
DESCRIPTION
J1
N/A
Factory Use Only
J2
N/A
10-Base-T/100Base-Tx Ethernet Connection (Port
0)
J3
N/A
Factory Use Only
J4
N/A
N/A
J5
OFF
RS-485 EOL Terminator is Off
ON
RS-485 EOL Terminator is On
J6
N/A
Micro USB Port (2.0)
J7
Reader Power Select.
See Note 2
12V
12 Vdc at Reader Ports
PASS VIN "Pass Through" to Reader Ports
J8
N/A
microSD Card
Note 2:
Install jumper J7 in the 12V position
ONLY
if the input voltage (VIN) is greater than 20
VDC ! Failure to do so may damage the reader or the eMAX-LP1502 !