QUANTUM™ HD UNITY SYSTEM CONTROLLER
MAINTENANCE
090.670-M (APR 2020)
Page 24
Table 9: Ethernet Connector (J27) LED Denitions
Amber
LED
Green
LED
Link state
Off Off No link established
1000 Mbps ( 1 Gigabit)
On Off No activity
Blinking Off Activity
100 Mbps
Off On No activity
Off Blinking Activity
10 Mbps
On On No activity
Blinking Blinking Activity
Table 10: Power Connector Pinout (J37)
Pin Function
1 Ground (GND)
2 Ground (GND)
3
9 V - 28 V
(VCC)
4
9 V -28 V
(VCC)
Reset IP Address to Default
Reset a panel IP address to a known default per the fol-
lowing procedure:
1. Power off the panel
2. Set DIP switch (J11) number 2 to the ON position
3. Power up the panel and wait until the panel restarts
4. Set DIP switch (J11) number 2 to the OFF position
After the above procedure, the IP address is reset to the
default address for the corresponding Unity product:
Compressor 192.168.0.170
Condenser / Vessel 192.168.0.171
Evaporator 192.168.0.172
Engine Room 192.168.0.173