Specifications
50003510 Revision A 225
Electrical Characteristics
All power is derived from either a commercial ac source or an uninterruptible power supply
(UPS). All reserve power in the peripheral cabinet can have its own standard reserve power
in the base of the SX-200 system or can also be supported by an additional UPS. The UPS
assembly is not manufactured by Mitel Networks.
Power and Grounding
The system requires a single-phase, 115 Vac, 15 A circuit. A separate ground wire (size 6
AWG) must be installed between the equipment cabinets and the building ground. The ground
wire should be a separate ground wire from the hydro.
In addition to proper grounding, an AC surge suppressor is recommended between the SX-200
system and the 115 Vac outlet for each cabinet. This will protect the equipment from power
surges.
All trunks and off-premises extensions should be protected against lightning by gas tubes.
Shelf-Mounted AC Power Supply
Characteristic Details
Input Voltage 102 Vac to 135 Vac (pn 9109-008-000-SA)
204 Vac to 270 Vac (pn 9109-008-003-NA)
Frequency 47 Hz to 63 Hz
Holdover Time Minimum of: 40 ms at 120 Vac or 20 ms at 102 Vac delivering full
rated load
Maximum 16 ms at 115 Vac input at full load (SX-200 EL/ML)
Input Current Maximum of: 2.0 Amps at 120 Vac or 1.1 Amps at 240 Vac
Reserve Power Characteristics
Characteristic Details
Rating 1.5 kVA minimum
Input Voltage 120 Vrms +10%,-15%, 60 Hz 15%
Output Voltage 120 Vrms +10%,-15%, 60 Hz 5%
Output Waveform Sine wave or quasi-square wave (not square wave)
Transfer Time Less than 30 ms (includes fail detection and transfer time)
Output Receptacle NEMA 15-A three-pin grounded
Holdup/Recharge Times Per customer requirements
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