NetNumen™ U31 R06 Hardware Installation Guide
Cabinet ID
Binary
1
2
3
4
12
1011
OFF
OFF
ON
OFF
13
1100
ON
ON
OFF
OFF
14
1101
OFF
ON
OFF
OFF
15
1110
ON
OFF
OFF
OFF
16
1111
OFF
OFF
OFF
OFF
l
The DIP switch for power type selection is used to set the power system for the unified
. By default, it is set to -48 V
power system.
à
When the DIP switch is set to 1010, the unified
power system is -60 V
à
When the DIP switch is set to other values, the unified
power system is -48
V
Steps
1.
Wear an
wrist strap (or anti-static gloves), and then install the grounding terminal
of the strap into the
jack on the cabinet.
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
board, see
.
Note:
The
board of the unified
supports hot swapping. Users do not need to
power off the
board before removing the board.
Figure 9-6 Removing the PDUM Board
1.
PDUM board
2.
Captive screw
9-6
SJ-20141121113158-006|2014-12-20 (R1.0)
ZTE Proprietary and Confidential