Number of units per system
One per each system.
Location
Mounted to an industry standard 19 inch rack. It is the lowest cabinet of a multiple
cabinet PX24X.
2.pxf.19inmk2
Description
2.pxf.19inmk2s are the optional auxiliary cabinets (or expansion cabinets) with the
backplane and side, front, top and bottom covers for the PX24X Hybrid IP PBX for 19
inch rack installations. Each 2.pxf.19inmk2 has:
•
One slot for the power supply unit
•
Eight slots for the line cards
2.pxf.19inmk2 with its front, top and bottom covers.
Number of units per system
Up to three per each system.
Location
They are mounted over the main cabinet of the PX24X in an industry standard 19 inch
rack.
2.px0.psudurn
Description
2.px0.psudurn is a switching mode power supply unit with the conversion capability
of 230VAC to -48VDC and -48VDC to the other voltages and signals required by the
PX24X Hybrid IP PBX to operate. That makes the 2.px0.psudurn:
•
System power supply unit operating from the mains
•
System power supply unit operating from the -48VDC power source
•
Charger for back-up batteries
Input and output power specifications for a 2.px0.psudurn are:
Input:
•
180 - 260 VAC (0.4 Amp at 230VAC)
•
45 - 54 VDC(1.3 Amp at 48VDC)
Output:
•
+5VDC (3 Amp)
•
-5VDC (0.3 Amp)
•
-54VDC (1.1 Amp)
•
+9 VDC (0.4 Amp)
•
Ring (2w, 25Hz)
10