Keri Systems MR16in User Manual
Page 5

Mercury Security Corporation © 2009
MR16in
DOC 10107-0010
REV 2.01
Page 5
7. Status LEDs:
Power-
up: All LED’s OFF
Initialization: Once power is applied, initialization of the module begins
When initialization is completed, LEDs 1 through 16, CT, BA, A, and B 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: 1
2 LED: Input Status: 2
3 LED: Input Status: 3
4 LED: Input Status: 4
5 LED: Input Status: 5
6 LED: Input Status: 6
7 LED: Input Status: 7
8 LED: Input Status: 8
9 LED: Input Status: 9
10 LED: Input Status: 10
11 LED: Input Status: 11
12 LED: Input Status: 12
13 LED: Input Status: 13
14 LED: Input Status: 14
15 LED: Input Status: 15
16 LED: Input Status: 16
CT: Cabinet Tamper
BA: 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 fault state: Rapid Flash
LED K1 and K2: Illuminates when output relay RLY 1 (K1) or RLY 2 (K2) is energized.