Liebert Universal Monitor - Manual (Page 16)

Introduction
8
1.10 LED Indicators - Optional Expansion Board
The optional Expansion Board, purchased separately, has LED indicators that show the status of
inputs and outputs.
Table 4 LED indicators summary
LED Type LED Color Description
Power status
LED
24VAC
Power (D6)
Green 24VAC power is being supplied to Expansion Board
EIA485 status
LEDs
485 RX (D4) Yellow
Expansion Board is receiving information over the EIA485 port from the
Universal Monitor
485 TX (D5) Red
Expansion Board is transmitting information over the EIA485 port to the
Universal Monitor
General status
LED
General
Status (D3)
Green
Blinks green once per second to indicate the board is powered and
operational. If the light is off, the board has likely lost power.
Digital output
status
LEDs
OUT1 Red Indicates output is ON or energized
OUT2 Red Indicates output is ON or energized
OUT3 Red Indicates output is ON or energized
OUT4 Red Indicates output is ON or energized
OUT5 Red Indicates output is ON or energized
OUT6 Red Indicates output is ON or energized
OUT7 Red Indicates output is ON or energized
OUT8 Red Indicates output is ON or energized
D4
D5
Rx
Tx
D6
OUT1
K1
V1 V3 V5 V7 V9 V11 V13 V15
V2 V4 V6 V8 V10 V12 V14 V16
K2 K3 K4 K5 K6 K7 K8
OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
S4 S3 S2 S1
Multiflex 168AO 810-3065
DEFAULT SETTINGS FOR USE WITH UNIVERSAL MONITOR
USE COPPER (CU) CONDUCTORS ONLY.
D6
POWER INPUT
EIA485 + (to UM-)
0V
EIA485 - (to UM+)
RELAY OUTPUTS
K4 K3 K2 K1 K5 K6 K7 K8
OUT3 OUT1 OUT2 OUT4 OUT5 OUT6 OUT7 OUT8
D3
Gen.
Status
General status LED
(D3 - green)
Digital output status LEDs (8)
Power status LED
(D6 - green)
EIA485 status LEDs
(D4 - yellow,
D5 - red)