8 SPECIFICATIONS
8.1 Liebert AC8 Specifications
NOTE: If the equipment is used in a manner not specified by the manufacturer, the protection provided
by the equipment may be impaired.
Power
Requirements
Transformer Module
115VAC
UML11500
230VAC
UML23000
115VAC ±10%
of nominal;
60Hz, 4A,
460VA
230VAC ±10%
of nominal;
50Hz, 0.5A,
115VA
Dimensions
W x D x H, in. (mm)
18 x 2-3/4 x 18
(457.2 x 69.85 x 457.2)
Weight (Assembled) 20.56 lb. (9.33 kg)
Enclosure Type NEMA 1
Liquid Crystal Display (LCD) Four line, 20 character, backlit
Mounting Surface Building Wall or Structural Member
Ambient Operating
Environment
32ºF to 104ºF (0ºC to 40ºC)
0% RH to 95% RH (non-condensing)
Processor Specifics
Model Motorola XC68HC812A4
Clock speed 16MHz
Total RAM 256Kb
Total FLASH 4M
Total EEPROM 4K
A/D Resolution (Analog IN) 12 Bit
Modem Type Embedded 14.4K bps
Clock Type Real-Time Clock
Clock battery backup type Lithium Cell (non-replaceable)
Clock battery life 7 years, constant, no power
Modem battery backup type Nickel Cadmium (replaceable)
Modem battery life 10 minutes at full load
Communications
Local Communications RS232
Remote Communications
Modem (9600-N-8-1)
Supported pagers
Baud rate 9600 bps, Parity=None, Data bits=8, Stop bits=1
9600 E-7-1 supports TAPI protocol version 1.8
Liebert SiteScan Web™ IGM Protocol, EIA422
Vertiv | Liebert® AC8 User Manual | 107
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