3.2 AAU PGND Cable
A PGND cable connects an AAU and a ground bar for proper grounding of the AAU. The
maximum length of an AAU PGND cable is 8 m (26.25 ft).
A PGND cable is a green or green and yellow cable. An OT terminal is installed at each end of
the cable. The following figure shows the exterior of a PGND cable.
Figure 3-1
Exterior of a PGND cable
(1) OT terminal (16 mm
2
or 0.025 in.
2
, M6)
(2) OT terminal (16 mm
2
or 0.025 in.
2
, M8)
NOTE
l
If the customer prepares the PGND cable, a copper-core cable with a cross-sectional area of 16 mm
2
(0.025 in.
2
) or larger is recommended.
l
One OT terminal must be added to each end of the PGND cable onsite.
3.3 AAU Power Cable
An AAU power cable feeds external -48 V DC power into an AAU. The maximum length of an
AAU power cable between the AAU and its power supply is 100 m (328.08 ft).
NOTE
If the power equipment is provided by the customer:
l
When a single RU is configured, circuit breakers of 20 A are recommended for the power equipment.
l
When two RUs are configured, circuit breakers of 30 A are recommended for the power equipment.
Exterior
There are two types of AAU power cables in terms of cross-sectional areas: 6 mm
2
(0.009 in.
2
) and 10 mm
2
(0.015 in.
2
), both complying with European standards.
An AAU power cable has an EPC5 connector at one end and a customized connector at the other
end.
The following figure shows an AAU power cable with an EPC5 connector at each end.
AAU3902
Hardware Description
3 AAU Cables
Issue 06 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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