2.1.1 Jumpers and jacks
The MP1502 processor hardware interface is configured using jumpers to setup the reader port power and end of line
termination.
Jumpers
Set at
J1200
N/A
J1503
OFF
ON
OFF
J1501
ON
OFF
J1502
ON
J1300
N/A
J503
Reader power select. See caution below.
12V
PASS
J1100
N/A
J1400-1
N/A
J1400-2
N/A
J1400-3
N/A
J1400-4
N/A
J1002
Super capacitor or battery backup real time clock.
OFF
ON
1. Observe polarity connection to LED. External current limiting is not required.
Caution: Install jumper J503 link 1 and 2 when input voltage (VIN) is greater than 17 V DC for 12 V
regulated reader output.
PLT-07611 , A.0
Description
10-Base-T/100Base-Tx Ethernet connection (Port 0)
RS-485 EOL Terminator is OFF
RS-485 EOL Terminator is ON
Reader 1 RS-485 EOL Terminator is OFF (Non-OSDP readers)
RS-485 EOL Terminator is ON (OSDP readers)
Reader 2 RS-485 EOL Terminator is OFF (Non-OSDP readers)
RS-485 EOL Terminator is ON (OSDP readers)
Micro USB port (2.0)
12 V DC at reader ports
VIN "Pass Through" to reader ports
microSD card
1
Remote Status LED #1.
1
Remote Status LED #2.
1
Remote Status LED #3.
1
Remote Status LED #4.
Backup battery is OFF.
Backup battery is ON. Default J1002 link 1 and 2 super capacitor real time clock back up. Link
2 and 3 battery back up. See
Memory and real time clock backup battery
6
HID Mercury MP1502 Controller
Installation and Specifications
May 2024
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