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Introduction
7
1.9 LED Indicators
The Universal Monitor’s controller board has LED indicators that show the status of inputs, outputs
and the common alarm, as well as the modem and SiteScan Web connections.
Table 3 LED indicators summary
LED Type LED Color Description
EIA422
LEDs
422 TX Green Universal Monitor is transmitting information over the EIA422 port
422 RX Green Universal Monitor is receiving information over the EIA422 port
Modem
LEDs
TX Green Universal Monitor is transmitting information via the modem
RX Green Universal Monitor is receiving information via the modem
DTR Green Indicates data terminal is ready (DTR)—lights up when modem is dialing
DCD Green Indicates data carrier is detected (DCD)—lights up when modem has connection
Output
LEDs
OUTPUT1 Green Indicates output is ON or energized
OUTPUT2 Green Indicates output is ON or energized
OUTPUT3 Green Indicates output is ON or energized
OUTPUT4 Green Indicates output is ON or energized
OUTPUT5 Green Indicates output is ON or energized
OUTPUT6 Green Indicates output is ON or energized
OUTPUT7 Green Indicates output is ON or energized
OUTPUT8 Green Indicates output is ON or energized
CTRLLOCK N/A Not used
SENLOCK N/A Not used
CMN ALR Green Indicates output is ON or energized
Status
LEDs
MOP Green
Indicates the microprocessor is operating properly (MOP)—must be on before
Universal Monitor will function
FPROG Green Indicates firmware is being upgraded—lights up during upgrade process
574 TX or 232 TX Green Universal Monitor is transmitting information via the RS232 port
574 RX or 232 RX Green Universal Monitor is receiving information via the RS232 port
485 RX Green
Universal Monitor is receiving information over the EIA485 port from the Expansion
Board
485 TX Green
Universal Monitor is transmitting information over the EIA485 port to the Expansion
Board
Input
LEDs
INPUT1 Red Indicates input is ON or energized
INPUT2 Red Indicates input is ON or energized
INPUT3 Red Indicates input is ON or energized
INPUT4 Red Indicates input is ON or energized
INPUT5 Red Indicates input is ON or energized
INPUT6 Red Indicates input is ON or energized
INPUT7 Red Indicates input is ON or energized
INPUT8 Red Indicates input is ON or energized
OUTPUT1
DS56
DS54
DS63
DS61
DS60
DS62
DS55
DS57
DS59
DS58
DS53
DS52
MOP
F PROG
574 TX
574 RX
485 RX
485 TX
DS51
DS48
DS47
DS78
DS79
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT5
OUTPUT6
OUTPUT7
OUTPUT8
CTRLLOCK
SENLOCK
CMN ALR
INPUT1
DS69
DS71
DS72
DS70
DS67
DS66
DS65
DS64
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
INPUT7
INPUT8
DS50
DS49
EIA422 SiteScan
Web LEDs
BAR CODE
BAR CODE
LIEBERT
BATTERY
LCD
CONTRAST
VBATT
START
TB7:
24V INPUT
P23:
BATTERY
485
+
—
+
—
(TOP)
(BOTTOM)
TB10: COMMS
422
TB3:
RELAY
OUTPUTS
TB2:
CONTACT
INPUTS
ASS REV
ON
ON
PFM5
OFF
ON
PFM2
OFF
(BOTTOM)
(TOP)
4
3
2
1
8
7
6
5
(BOTTOM)
(TOP)
4
3
2
1
8
7
6
5
J11: PHONE
PIN 3-TIP
PIN 4-RING
MODEM
TB5: COMMON ALARM
(TERMINAL BLOCKS ROTATED IN VIEW)
(BOTTOM)
OM
OM
Q11
R
2
R4
0
P11
+
LS1
TOP
ENABLE
AUDIBLE
(TOP)
NO C NC NO C NC
ALL CIRCUITS:
CLASS 2
TB9: ANALOG
GROUND
AG
+ +
——
+
—
+
—
3-4 BOTTOM
1-2 TOP
ON
MODEM
4
D
CAN TX
CAN RX
DS83
DS84
1
ON
ON
TP1
GND
S2
OFF
DIP
2345678
OUTPUT1
DS56
DS54
DS63
DS61
DS60
DS62
DS55
DS57
DS59
DS58
DS53
MOP
F PROG
574 TX
574 RX
485 RX
485 TX
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT5
OUTPUT6
OUTPUT7
OUTPUT8
CTRLLOCK
SENLOCK
CMN ALR
INPUT1
DS70
DS67
DS66
DS65
DS64
R334
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
INPUT7
INPUT8
C71
R
4
Output LEDs
Status LEDs
Input LEDs
MODEM
DS77 TX
DS76 RX
DS74 DTR
DS75 DCD
Modem LEDs