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If the cable diameter is > 6 mm
(Unit: mm)
Installing Ground Clips for DC Load Cables
5.3
Installing Power Cables and Communications Cables
The system does not simultaneously support AC input and DC input.
Ensure that caps and waterproof connectors are installed at all idle
ports on the modules.
Ensure that cables are securely connected to terminals.
DB15 Female Connector Definition
Pin Signal Name
Description
AC outage alarm
1
ALM1+
(High resistance:
alarm; low
resistance: normal;
2
ALM1-
< 30 V/4 mA)
3
ALM2+
A PSU is faulty.
4
ALM2-
5
ALM3+
A lithium battery is
faulty.
6
ALM3-
Northbound RS485
7
RS485_TX+
transmission +
Northbound RS485
8
RS485_TX-
transmission –
2
, prepare cables as follows:
Waterproof tape
Pin Signal Name
Description
Northbound RS485
9
RS485_RX+
reception +
Northbound RS485
10 RS485_RX-
reception –
11 ALM4+
Anyone PSU or lithium
battery has an alarm
12 ALM4-
that can be cleared.
13 NC
NC
CAN data transmission
14 CANH
and reception H
CAN data transmission
15 CANL
and reception L
7
Bare crimp
terminal
Heat gun
2
Cable binding hole (≥ 6 mm
Cable binding hole (4 mm
)
Cable tie
Insulation tape Cable tie
1 PSU + 2 Lithium Batteries
Lithium battery
Lithium battery
PSU
AC/DC input
The PSU is connected to the RRU and BBU
NOTE
to communicate with the NetEco or U2000.
Scale
line
Crimping
tool
Heat
shrink
tubing
2
)
Load cable Ground cable
Monitoring
device
Ground clip
Site ground bar
DC load
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