Liebert RAC2-8 manual - page 4

Liebert RAC2-8 • iii
Figure i. Typical System Configuration
RAC2-8
N.O.
Power Source
120 VAC
Control
Input
Common
Alarm
Output
UNIT 1
Control
Input
Common
Alarm
Output
UNIT 2
Control
Input
Common
Alarm
Output
UNIT 8
Aux Pwr Out
24 VAC, 2A
Terminal
Port
Modem
Port
SiteScan
N.O.
N.O.
N.C.
N.C.
N.C.
C
C
C
EIA-232 EIA-232
EIA-422
Twisted Pair
Liebert
Temp/Humid
Module
(p/n THS28-xx) Common Alarm
Output
Emergency
Power Oper.
Input Humidity Lockout
Relay
Optional Lockout
Relay
Emergency
Power Off