Instruction manual

138 Concerto — Instruction Manual
Section 4 — Maintenance and Troubleshooting
Power Supply Modules
4 and 7 RU frames
The power supply module used in the 4 and 7 RU frames is a fully
autoranging 400 W, 48 VDC output module. LED indicators:
DC OK (green
light indicates satisfactory DC power when Illuminated),
AC PRESENT
(yellow light indicates AC power present when illuminated). See Figure 87.
Note If power supplies are not fully seated in the matrix, only the AC Present LED
will be lit. If DC OK is not lit, verify that the supplies are fully seated.
Figure 87.
8138_00_07r0
Power Supply Module
Power Supply Module for 7 RU Concerto Frame
8 RU frame
The power supply module used in the 8 RU frame is a fully autoranging
1200 W, 48 VDC output module. LED indicators:
AC PRESENT (green light on
left side of the supply indicates AC power present when illuminated).
DC
OK
(green light on right side indicates satisfactory DC power when illumi-
nated).