Huawei BTS3900A - DC Cable Connections for BBU and DRFU; Connecting DC Power to BBU and DRFU Units

1 Connecting the Power Cables
AC Power Supply Scenario
3. Connect the power cable between the AP
M
(APM:IBBS=1:2
）
b
Power cables for the heating films
in the IBBS200Ds
z Prevent the wires from
exposing out of the power box
of the heating film
(APM:IBBS=1:2
）
From L2/N2
The power
box of the
heating film
of
the
heating
film
.
z Must route the
p
ower cables
From L1/N1
p
for the heating films in the
IBBS200Ds into the power box
of the heating film from the top
down.
The
p
ower
F
r
L
O
Power cables for the TECs in
the IBBS200Ts
p
box of the
heating film
F
r
L
O
7
M
30H and IBBS200D or IBBS200T
r
om
O
AD3
r
om
O
AD2
7