Zte ZXR10 2920 - Power Supply Module

Chapter 3 Structure and Principle
Confidential and Proprietary Information of ZTE CORPORATION 17
Power Supply Module
ZXR10 2920/2928/2952 supports two power supply modes:
 -48V DC power supply
 110V/220V AC power supply
When the -48V DC power supply is adopted, use 48V DC power cables. When the AC
power supply is adopted, use AC power cables. Both of the two modes
support a backup power supply of 12v DC power supply.
FIGURE 8 and
FIGURE 9 respectively show rear panel of the switch when the -48V DC
power supply and 110V/220V AC power supply are adopted.
FIGURE 8 ZXR10 2920/2928/2952 BACK PANEL（ DC POWER）
OFF ON
P
G
N
D
-
4
8
V
R
T
N
-4
8
V
FIGURE 9 ZXR10 2920/2928/2952 BACK PANEL（ AC POWER）
Mode