Huawei AR1200 Series - Single Non-Poe AC Power Supply Unit; Two Non-Poe AC Power Supply Units

Figure 3-2 Layout of dual DC power supply unit connection to motherboard
NEG RTN
Motherboard
GND12V
NEG RTN
PWR2PWR1
1. NEG: Power cable 2. RTN: Power ground cable 3. GND: Grounding
After the DC power is transmitted to the PWR module, the PWR module outputs 12 V voltage,
and then the motherboard provides power for the entire device.
3.2.3 Single Non-PoE AC Power Supply Unit
Figure 3-3 shows the layout of single non-PoE AC power supply unit connection to
motherboard.
Figure 3-3 Layout of single non-PoE AC power supply unit connection to motherboard
Motherboard
GND12V
PWR
L N PGND
1. L: Live wire
2. N: Neutral wire 3. PGND: PGND wire 4. GND: Grounding
After the AC power is transmitted to the PWR module, the PWR module outputs 12 V voltage,
and then the motherboard provides power for the entire device.
3.2.4 Two Non-PoE AC Power Supply Units
Figure 3-4 shows the layout of dual non-PoE AC power supply unit connection to motherboard.
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 3 Power Supply Units
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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