
STER PMU Quick Start Manual Description
8
2.2 CONNECTOR PANEL
IN I3 C B A I1
L1
L3C
N
A
I2
L2 B
1
2
Warning!
Use safety test leads only!
Max. permissible voltage between voltage input terminals and
ground is 1000 V
RMS
.
Max. permissible voltage between voltage input terminals is
1730 V
RMS
Figure 2.2: Top connector panel
Top connector panel layout:
Clamp-on current transformers (I
1
, I
2
, I
3
, I
N
) input terminals.
Voltage (L
1
, L
2
, L
3
, N, GND) input terminals.
Figure 2.3: Side connector panel
Side connector panel layout:
12 VDC, 1.2A power supply socket.
PS2 type
GPS/auxiliary
power connector
Composite connector for GPS module input and auxiliary model power supply
output. Provided Y-split PS2 cable allows backup battery power supply to be used for
external equipment (GPRS/Ethernet modem).
USB/serial
modem connector
Serial data connector for the GPRS/Ethernet modem.
Use the provided cables and adapters only to avoid damaging the equipment. Although standard PS2 and
USB connectors are used, their terminals are arranged to allow additional signals (like modem power
supply), and are NOT SUITED for use with PC or similar equipment.
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