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.
