Mercury Security Corporation © 2011 MR52 DOC 10107-0015 REV 2.02 Page 5
8. Status LEDs:
Power-up: All LED’s OFF
Initialization: Once power is applied, initialization of the module begins
When initialization is completed, LEDs A through R2 are briefly sequenced ON then OFF
Run time: After the above sequence, the LEDs have the following meanings:
A LED: Heartbeat and On-Line Status:
Off-line: 1 sec rate, 20% ON
On-line:
Non-encrypted communication: 1 sec rate, 80% ON
Encrypted communication:
.1 sec ON, .1 sec OFF, .1 sec ON, .1 sec OFF, .1 sec ON, .1 sec OFF, .1 sec ON, .3 sec OFF
A LED Error Indication:
Waiting for application firmware to be downloaded: .1 sec ON, .1 sec OFF.
B LED: SIO Communication Port Status:
Indicates communication activity on the SIO communication port
1 LED: Input Status: IN1
2 LED: Input Status: IN2
3 LED: Input Status: IN3
4 LED: Input Status: IN4
5 LED: Input Status: IN5
6 LED: Input Status: IN6
7 LED: Input Status: IN7
8 LED: Input Status: IN8
TMP: Cabinet Tamper
PFL: Power Fault
Input in the inactive state: OFF (briefly flashes ON every 3 seconds)
Input in the active state: ON (briefly flashes OFF every 3 seconds)
Input in a trouble state: Rapid Flash
R1 LED: reader port 1:
Clock/Data Mode: Flashes when data is received, either input
Data 0/Data 1 Mode: Flashes when data is received, either input
RS-485 Mode: Flashes when transmitting data
R2 LED: reader port 2:
Clock/Data Mode: Flashes when data is received, either input
Data 0/Data 1 Mode: Flashes when data is received, either input
RS-485 Mode: Flashes when transmitting data
K1 through K6 LEDs: Illuminates when output relay RLY 1 (K1) through RLY 6 (K6) is energized.
Every three seconds, LEDs A through R2 are pulsed to their opposite state for 0.1 sec.
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