Grass Valley 2000T3 - Manual (Page 44)

44 Kameleon Frames Instruction Manual
Section 5 — Service
Power Supplies
The Grass Valley 2000 Series Power Supply sleds are designed to carry two
24V power supplies. The two supplies are load-sharing in the 2000T3 and
redundant in the 2000T1 frame. In the 3 RU 2000T3 frame, a second power
supply sled can be added for redundancy. The 2000PSD1 supply for the
1 RU 2000T1 frame is a dual redundant supply.
Line voltage selection is not required for the 2000 Series power supplies.
They adjust automatically to accept between 90 to 132 V or 180 to 264 VAC
through the AC line cord connected to the rear of the frame. The supply
delivers regulated
+ 24 VDC to each module installed in the frame. One
power supply is capable of powering a full frame of modules. When a
redundant power supply sled is installed in a 2000T3 frame, internal isola-
tion diodes ensure automatic power supply backup.
The power supply sled with two power supplies and cooling fans is illus-
trated in
Figure 22 . The 2000PSD1 sled is keyed to insert in the 2000T1
frame only. The 2000PS sled is keyed to insert in the 2000T3 frame only.
Figure 22. Power Supply module
8039-06
AC input
connector
DC output
and monitor
connector
Power Supply PS 2 Power Supply PS 1