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Preparation (Modules)
Caution: Electrostatic charges can destroy sensitive
components.
Only a skilled electrician may open the casing and
perform installation work within an open casing.
Divert electrostatic charges from yourself before
touching the circuit boards with your hands or any
tools. To do this, touch a metal object, preferably
earthed, e. g. the earthing terminal of the PBX or
a computer housing.
Requirements
– Previous system planning
– Turning on the operating voltage: The NTPM is not
powered by its own power supply plug .
– Turning off the operating voltage: The NTPM is pow-
ered by its own power supply plug .
Fig. 3: COMmander 4S
module (rev. 2)
0
Terminal clamps (removable) for connecting to the S
ports 1-4 (see circuit board label)
RJ-45 socket for connecting to the S
LEDs for displaying the status of S
RJ-45 socket for connecting to the S
LEDs for displaying the status of S
A connector for switching the operating mode on the
S
port 1
0
A connector for switching the operating mode on the
S
port 2
0
A connector for switching the operating mode on the
S
port 3
0
18
Setting the Operating Voltage for the NTPM
COMmander 4S
port 1 including
0
ports 1 and 2
0
port 3 including
0
ports 3 and 4
0
Steps to Take
1.
Switch on: Push both buttons on the DIP switch to be
switched to the "on" position. See
Switching off: Push both buttons on the DIP switch to
be switched to the "off" position. See
Fig. 2: Switch setting on the COMmander S
Module Overview (Rev. 2)
0
A connector for switching the operating mode on the
S
port 4
0
0
DIP switches for terminators on the S
DIP switches for terminators on the S
DIP switches for terminators on the S
DIP switches for terminators on the S
A connector for attachment on the base circuit board
A connector for connecting to the front panel of 19"
casing variants
Enabled
Disabled
Fig.
2.
Fig.
2.
module
2M
port 1
0
port 2
0
port 3
0
port 4
0
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