Figure 9-6 Removing The Pdum Board - Zte NetNumen U31 R06 Hardware Installation Manual

NetNumen™ U31 R06 Hardware Installation Guide
Cabinet ID
12
13
14
15
16
l
The DIP switch for power type selection is used to set the power system for the unified
PDU. By default, it is set to -48 V
When the DIP switch is set to 1010, the unified
à
When the DIP switch is set to other values, the unified
à
V DC.
Steps
1. Wear an
of the strap into the
2. Use the cross head screwdriver to loosen the captive screws on the panel of the
board. Hold the handle on the panel and horizontally pull out the
Figure
The PDUM
power off the

Figure 9-6 Removing the PDUM Board

1. PDUM board
SJ-20141121113158-006|2014-12-20 (R1.0)
Binary
1011
1100
1101
1110
1111
ESD wrist strap (or anti-static gloves), and then install the grounding terminal
ESD jack on the cabinet.
9-6.
Note:
board of the unified
PDUM board before removing the board.
1 2
OFF OFF
ON ON
OFF ON
ON OFF
OFF OFF
DC power system.
PDU supports hot swapping. Users do not need to
2. Captive screw
9-6
3 4
ON OFF
OFF OFF
OFF OFF
OFF OFF
OFF OFF
PDU power system is -60 V DC.
PDU power system is -48
PDUM
ZTE Proprietary and Confidential
PDUM
board, see